3406b jake brake adjustment will have better Braking than the "Jacobs" brand, my 1989 Pete Cat 3406B model came with a Jacob and I had switched it to the Pac Brake when it came out within a year after the purchase, at that time new in item 3 JACOBS 013173 JAKE BRAKE REAR HOUSING FITS CATERPILLAR C-3406 C-3406B ENGINE JACOBS 013173 JAKE BRAKE REAR HOUSING FITS CATERPILLAR C-3406 C-3406B ENGINE. 23 Years Caterpillar Engine experience. Use the procedure that follows to make the adjustment: Slave Piston Lash Adjustment (Typical Example) (1) Screwdriver. The only thing is that it is idling a little over 900rpm. 940. 018 but example:3zj16182 n up ,:bang trigger adjustment cyl 1= 0. USED USED CAT 3406B ENGINE JAKE BRAKE MODEL C346B P/N:013172. Tighten the adjustment locknut to a torque of 30 ± 7 N·m (22 ± 5 lb ft). Enjoy our hassle-free online checkout or call to speak to an expert. The rebuilt ones cam Cat 3406b Jake Brake Manual FYI, The "Pac Brake" (Paccar Part) will have better Braking than the "Jacobs" brand, my 1989 and piston came up To properly adjust a CAT 3406B valve bridge, the setting is an additional Basically, for bridge adjustment, but before adjusting valve clearances(but you. Jump to Latest 20K views 4 replies 4 participants last post by mbj359 Jan 4, 2010. 003 inch) BXS1-UP Jake Brake 340E: 340D Compression Brakes Loosen adjustment locknut (1) and back out the adjusting screw until the slave piston is not in Note: I don't wait for the 30 seconds, either, on jake adjusting screw(I just "overtighten against feeler gauge", then back off to adjust), BUT CAT "VVA adjustment" is different= yes I crank down, on screw against feeler gauge, and wait for oil to relieve = it does make a difference, on those VVA adjustments(for those later engine= ACERT). So my question is what is likely to be problem? Is it just that valves needed adjusting or is it gonna be way worse than that? Also whats the best way to go about fixing it? Serial # for cat 3406b is 7XCO3316. 6L 340 ALL 0. Remove the feeler gauge. and pac brake adjustment with Torque. The engine brake has no damages. Lift off the engine brake spacers (5). Cat 3406b bent two push rods. Then do intake 3,5,6. Removal Of Fuel Tube CAUTION Avoid any contamination of fuel lines or nozzle assemblies. PARTS MAN U AL F OR M OD E L 340 2 COMPONENT PARTS Part Number Quantity per Housing Ill. last one I had was a 3406B that had engine brake with the 3 stages. Position: Rear. Year: Not Listed . Adjust Model 790/795 Jake Brake® slave piston lash as follows: ‪ Turn in the adjusting screw until the solid side of the slave piston bridge assembly, contacts the exhaust valve and the valve springs begin to compress, then turn in one additional turn. I'm interested in Got to run the motor yesterday and check for oil leaks. 13. Technician: Wayne. NH/NT. net. ADDITIONAL IMAGES (IF AVAILABLE) ARE FOUND BELOW. Are we good? Thanks again, Russ. Putting a new jake head on and need to know adjustments. 6L 340A 410 and Under 0. donjcook. The "base fuel" you speak of is simply determined by how much of an adjustment there is on the "low idle" screw or the jake brake switch depending on how the pump is equiped as Note: If the engine is equipped with an engine compression brake, loosen the adjustment screw for the lash on the slave piston for the compression brake prior to adjusting the engine valve lash. Jake makes a switch to replace the set screw. The easiest way to tell if the solenoids are working is to turn the key on That’s enough to affect brake performance. 16+ years experience, hydraulics,hydrostatics, engines, fuel injection systems. If the engine is equipped with a C-Brake, use the following adjustment procedure. 030 IVA pistons . DESCRIPTION: Make & Model: Cat 3406B . Brake cat jake 3406e engineCat 3406b jake/engine brake in hudson, co #182770 3406e caterpillar brakes make3406b air compressor heavytruckparts supercharger turbocharger. Sure. 50 Add to cart Dirks1092 – Engine Brake Switch – Cummins Engines $ 112. USED - Cat 3406B rear jake brake, C346B model, P/N 013173. Model P-39 engine brake requires a minimum of 42 PSI at housing to operate properly. 3406b brakeCat 3406e jake/engine brake oem# 4655178 in owensboro, ky #129972 Caterpillar 3406 engine brakes / jake brakes for saleBrake 3406e cat jake. Learn how to troubleshoot, adjust, and maintain your Caterpillar 3406B engine with ease. 445 Satisfied Customers. This switch also regulates your low idle speed. Caterpillar 3406 Engine Brakes / Jake Brakes For Sale. SLAVE PISTON ADJUSTMENT P-39 AND P-39A ONLY SLAVE PISTON ADJUSTMENT P-39B AND P-39E ONLY Make safety a priority while saving time and money. Valve Adjustment Procedure. It use to work really well? i suspiciously that you adjust it bad one of the questions that has Jacob is if you have a ABS or not (i dont know why )but the 349 has a trick all hp are adjusted 0. Engine Preparation 3 Adjustment Reference Point 3 Mounting Stud installation 4 2. Car Looking to buy a truck to pull a lowboy and found some with 3406e engine rated at 355hp but no engine brakes. Substantial cost savings with Pacbrake’s brand of Jake® engine brake tune-up kits. The Cat 3406b engine is a versatile and reliable engine used in a variety of applications, including heavy-duty trucks. 69 mm (. The jake bolts torque to 48 foot pounds. This document provides specifications for valve settings, torque specifications, and minimum cylinder head thickness for various diesel engines including Cummins, Caterpillar 3406 models A, B, and E, Detroit, and others. or 2-piece pistons. Jake brake Tag NUMBER: 9665. pacbrake. brake spacer. (8) Adjusting screw locknut. Those are not all, but the most common reasons. Need a pin diag on the jake brake wiring from ecm. 035 Jake lash for all applications. 5 Rize Industries, 38" Nitto Muds on 20" Moto Metal 951, Bilstien 7100 reservoirs, Fabtech Dirt Logic 2. Put valve cover base (19) in position on the cylinder head. Continue turning the adjustment screw until a slight drag is felt on the feeler gauge. Condition: Used . I am ASE Master Truck We were dynoing a KW with 3406 B that free revs to about 2700 and under load to 2400 but seems like it doesn't make full boost above 1800 rpm or something like that. 030” (0. Please Call. 1977. 65 Current price is: $19. 1996 Western Star. Covers: Caterpillar 3406B diesel engine with serial prefixes 7FB; 4MG; 5KJ; Pages: 1,278 Format: PDF files (zipped) File size: 55mb Compatibility: Windows/Mac computers Notes: Bookmarked, searchable, printable, instant download. Looking for torque specs for cam caps and rocker shaft for 2019 MP7 Torque Specs. 5. NOTE: C-Brake adjustment specifications are found on the C-Brake dataplate located on the exhaust side of the CBrake Model T346A Engine Brakes For Caterpillar 3406, 3406B assembly for engine valve and engine brake adjustment. $ 19. Part # P39010 – C-15/C-16/3406E (P-39A/B/D/E) Part # P34601 – C3406B/C(P-36) TUNE-UP KITS FOR JAKE® ENGINE BRAKES. SERIAL # 3ZJ45547. com. 35+years working on heavy equipment and heavy duty trucks. It's the same pattern as adjusting the exhaust valves has a different setting. plus you need a Cat tool to set the trigger adjustment to . Reinstall the jake brakes and make sure they have the B washers installed over the studs for the jakes. D: Cruise switch "might need to be" in the OFF position= It depends on the software , I believe BUT that is an easy item to Double cat 3406b rear jake brake, c346b model, p/n 013173: cat 3406b engine brake assembly, c346c model, front brake p/n 17271, rear brake p/n 17272, includes engine brakes, bolts, rockers, spacers, valve bridges: cat 3406b jake brake Customer: LOOKING FOR OVERHEAD ADJUSTMENT ON 3406B WITH JAKES. 00. Cat Man, How do I adjust Jakes on a 3406B and the specs please. Check Details. 2. 89 ± 0. Remove compression brake (2). Insert the appropriate feeler gauge between the foot of the slave piston (2) and the Customer: What are the torque specs and sequence for Jake Brakes on a 3406B? Answered by Cat Man in 4 mins 10 years ago. 028" on the P-39E. Reinspect each fuel line location to ensure that there is no contact between brake components and the fuel lines. The Model 349A replaces the former Model 349. By chatting and I have a 1986 cat 3406b with jacobs jake brakes model c346b. It used to idle at about 550 or 600rpm. Engine Brake Performance – hp 1700 80 160 400 240 480 1800 1900 320 2000 2100 BrakeSaver Engine Speed rpm Jacobs 340A or Pacbrake P39 560 640 720 BrakeSaver with Jake or Pacbrake ENGINE RETARDATION* Preliminary data provided by Jacobs Manufacturing for Model 340A. Adjust valve clearance. C. Rebuilding jake brakes 3406 - collegeboy: 9/11/2023 20:22. 30. Caution: To get maximum brake operating efficiency and to prevent engine damage, it is important to follow the instructions on the following pages. One of the important components of this engine is the jake brake, or engine brake, which helps to control the speed of the vehicle on downhill slopes. 76 mm (. Good used Engine brake from a Caterpillar 3406E engine. Additional Details: Cat 3406B application 346B Complete Set PLEASE NOTE: Actual shipping and tax will be calculated at time of purchase. RE: This is a 3406B model but most other 3406 and c-15, C-16, C-13 engines have the same procedure. OEM #: 013173. Check for correct engine oil level. (basically, Posted 10/15/2014 21:37 (#4129046 - in reply to #4128655) Subject: RE: question about cat 3406B valve adj and Jake Brake Compression Brake Adjustment Illustration 1 g00596577 Typical configuration for Jake Brake’s engine compression brake (1) Slave piston adjusting screw (2) Slave piston (3) Rocker arm Table 1 Slave Piston Lash Setting Jake Brake Compression Brakes Serial Number Prefix Horsepower Rating Slave Piston Lash Setting 2WS1-UP I am planning a 625hp rebuild of my 3406B. Cat c15 6nz need valve injector also jake brake adjustment values and torque spec for rocker lever shaft. CAT 3406B jake brake assembly, model C346B, includes jakes, jake spacers, towers, bolts, rocker arm assy, exhaust valve bridges, for jake brake conversion. 9. 22,666 Satisfied Customers. The Jake Brake is a vehicle slowing device, not vehicle stopping device. daves71. remove bridges, for those two cylinders, across those Note: The P-36 Engine Brake is designed to run and give maximum performance at 2100 RPM. Start engine and check low idle RPM. I have already done the valves. To get a detailed presentation on driving with the Jacobs Engine Brake, consult your Jacobs Distributor. USED Used 3406B Jake Housing Find many great new & used options and get the best deals for Caterpillar 3406b C346B Jake Brake Kit Jacobs at the best online prices at eBay! Free shipping for many products! Posted 8/15/2018 20:00 (#6931467 - in reply to #6931438) Subject: RE: Cat 3406 Jake Brake: Between Omaha and Des Moines, 7 miles South of I80: That installation manual (I posted a link to, earlier) mentioned the serial number prefix "92U" which is the last 3406A model serial number prefix, for a truck engine. Will a brake saver of a 3406b fit on a c15 6nz. 7. Jakes stop working after an hour or so of running. M. How do I take the back brake drum off. Customer: Cat 3406b bent two push rods. This article provides detailed instructions and tips for valve and intake work, along with insights on installing Jake brakes for enhanced performance. 3406b brake 3406b engine 346b heavytruckparts Cat 3406e jake/engine brake on heavytruckparts. Fuel contamination after fuel filters can Jake also had an upgrade kit for the 349 series called a "B+" kit to increase braking in the 3406B models. complete tutorial for 3406B CAT engine. 2005 kw cat c15 no power or ground to jake brake solinoids. Lash Adjustment for Jacobs Engine Brake™ Series 340 Engine S/N Engine Displacement Engine Brake Model Horsepower Lash Setting Lash Adjustment Tool 5EK Up to S/N 01820 14. * Retarding performance per proposed SAE J1621 STD. Mark the balancer and rotate one time. The model 349A Jake Brake engine retarder is designed and approved for use on Caterpillar 3406B and 3406C ATAAC engines with PEEC or mechanical fuel controls. 10100 CAT 3406B Nozzle Retainer Spanner Wrench $ 65. CAT Jacobs Part Name Early 340A* Late * Early Model 340A engine brake housings shipped prior to March 1997 were assigned Serial Numbers 070000 and below (for 12 volt applications) and A01000 and below The throttle cut out switch is on the very back of the fuel pump its alittle black box with 2 wires going to it you adjust in or out to complete the circuit for your jake brake when the foot throttle is depressed. Location: Louisville KY (800)552-5111 Request Info Create Estimate. 3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque. Adjust the intake and exhaust valves on each cylinder. Engine Brake Part Having jake brake issues with 5ek cat in a peterbilt. putting back together, does it take an oring anywhere between. Posted on 14 Oct 2023. If it was bad, you would simply have no Jake at all. The engine brake has been visually inspected and is in good condition. Cat 3406 jake brake adjustment specs This was the brake adjustment on my '98 Taurus before we went to the dealer to get it replaced for the third time. After adjusting the exhaust valves you will need to check and adjust the "Jake Brake"(engine brakes). Easily find what you need from 2,294,554 parts available. NOW FOLLOW THE SAME PROCEDURES ON THE OTHER THREE CYLINDERS. 51. 3406E, C15, C16, C18 340 SERIES. See the topic, Jake Brake Adjustment, in the Testing and Adjusting section of this manual. Installment 4 of my buddy’s Peterbilt with a mechanical Cat that’s cranked to the moon and has 349a super jakes. 015 Exhaust valves . The truck started right up with no smoke. Each section covers a specific component or system with detailed illustrations. Used Used Cat 3406B Jake Brake Assembly Comlete Set PacBrake 346C / 346D Style. Cat 3406b jake/engine brake oem# c-346b in crandall, tx #338563406e cat jake brake engine 1993 Cat 3406e jake/engine brake on heavytruckparts. 22. How do you adjust the brake calapter on a 77 Lincoln Versailles e brake. See Jacobs Driver’s Manual for proper engine brake driver techniques. it opens the contacts to break Automotive Car Technology and Innovation. Until the Pac Brake for the 3406B showed up a brake on a Cat did you about as much good as sticking your hat out the window. The reason why is surprising and troubleshooting the Jakes is also discussed. My question is does the computer (box) comes with the additional wires,leads, pins or whatever to allow installation of engine brakes at a later date? We've got a 92 Ford 9000 tandem dump truck with a 3406b cat in it. Might be the problem. 349, 349A. 51 Original price was: $65. Part Type: Jake brake . Can you give me a step by step instruction for adjusting the valve train on my cat 3406B 425 hp with Jake brake. Andy. Next, apply power to the solenoid to see if it clicks or moves. I NEED THE VALVE LASCH ADJUSTMENT SPECIFICATIONS FOR A C-15 CAT ENGINE S/N 6NZ66071. Sounds like you've kinda answered your own question, but I would go one step farther; A. I was wondering what you guys thought about keeping it or going with a jake brake. Disconnect the throttle linkage and adjust the idle per AVSpare specification by turning the switch clockwise to increase and counter-clockwise to decrease engine RPM. We pin the engine and adjust the valve lash, injector heights and jake brake clearance. ~BRAKE The Model 349A Jake Brake® engine retarder is designed and approved for use on Caterpillar® 3406B and 3406C ATAAC (Air-to-air after-cooled) engines with PEEC® or mechanical fuel controls. Cat 3406C cold start and then rebuilding a set of 340B Jake brake compression brakes. I’ve had expectation problems with brakes on Cats too. Technician: Cat Man. Jake lash varies according to engine model and horsepower from . 15,928 Satisfied Customers. Putting a splitter coming out of the power in to the Jake switch would I have a cat 3406b and the jake brakes are not working they are getting 12v from the switch and the actuators are moving By chatting and providing personal Cat Man, How do I adjust Jakes on a 3406B and the specs please. Refer to the Testing and Adjusting, "Slave Piston Lash - Adjust" topic in How do you adjust jake brake switch on a 30th cat and set idle. it in place. Answered by Cat Man in 1 min 7 years ago. 20. Pac Brakes are all . 22,702 Satisfied Customers. cat "jake" throttle switch is used in place of 3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque specs. P. L1001 P-36 P34605 FRONT HOUSING ASSEMBLY, P34610 REAR HOUSING ASSEMBLY (REPLACEMENT HOUSINGS ARE OBSOLETE) Phone: 800-663-0096 • Fax: 604-882-9278 • E-mail: info@pacbrake. Adjust the following: Intake valves 3, 5 & 6 Exhaust valves 2, 4 & 6 Then adjust the IVA pistons on 3, 5 & 6 Then adjust the Jakes on 2, 4 & 6 Adjustments: Intake valves . A simple brake reline will cost you many times more than an engine brake tune-up kit. 2023. in 2 mins 2 years ago. Posted 10/15/2014 19:22 (#4128565) Subject: question about cat 3406B valve adj and jake brake: central Ontario: Out of adjustment or loose adjusters, over reving, jake operating during acceleration. '06 F-250 CC SB, lifted 10. Expert. Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, rebuilding 3406b/c caterpillar engine, cracked head, water in oil The jake brake has been acting up a little lately. 300 to 500 K . I am getting fire to the solenoids and they make a clicking sound but no Jake Brake. I "Accepted Answer" before your last response on the jake brakes. Check the exhaust valves on #3 and #5 cylinders also. All is well with you i'm looking for info on a 3406e 5ek tach wiring in a 1996 Western Star 4964F. $500. Electric is fine I can push solenoid by hand and see the tapit come down on rocker arm and other side come down on the bridge but not enough to pop off valves. 2019 Mack TE64. 027 simple tutorial for operation of Jacob brake or exhaust brake for 3406B CAT engine I have a 1986 cat 3406b with jacobs jake brakes model c346b. For CAT 3406 Engines PARTS MANUAL FOR MODEL 340. (3) Locknut. netCat 3406b jake/engine brake. Replaces 349. 65. exhaust 2,4,6. This Caterpillar 3406 & 3406B Engines service repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting) is divided into different sections. It was smoking a lot of white smoke and missing and way down on power. here's what I found. Check Details The cat 3406b jake brake lash adjustment tool is used to adjust the brake pads so that they are lined up correctly. Email Us Call Us 888. It's in the attachment link I attached. Here is the information you need. 2021 Volvo P02CE00 Clinder 2 DPF GUY posted Dec 16, 2024 at 8:44 AM. 22,714 Satisfied Customers. ! CAUTION 6. #3406BCATmore. Can I. However if you're idling at a stop with the clutch pedal NOT depressed, the Jake brake will come on killing the engine or causing a real rough idle so the dash switch has to be shut off. remove valve covers. Adjusting the overhead on a 3406B 7FB Caterpillar. Jacobs engine brake rebuild kits (tune-up kit) should have instructions inside the box. 1989 Peterbilt with the 3406 Jake Brake bridges are getting hard to find for a 71 series that are with in spec a new set of bridges if you can find a set will cost a 1000 bucks just for the bridges you cannot redo the slot on a bridge and that is where you get the most wear,if you do piece a set together use the 71/92A housing don't waste your money on the old 71 Jake housing. No. 762 mm) 019954 6TS 14. Could the jake brake have caused this? I was having Do most 3406B models, with jakes, have a 2 or 3 stage jake control switch? 3406B jake brakes Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mile marker 27, Jul 29, 2022. Model#: C346B: Part#: Note: there are some different adjustment settings, for different models AND serial numbers, also; for your final adjustments, after rebuild/Tune-up. WICH JAKE HOLDS BETTER ON 3406 B/C I HAVE A 346C ON MY B,AND A 349 IN THE BOX,:happymugs except finding someone to adjust it correctly with a dial indicator . Reset fuel lines if necessary. 2024. If you loosen the jam nut and turn it in or out you can adjust your low idle speed. This 9-volume service manual set contains complete specifications, systems operation information, disassembly and assembly procedures, testing Adjusting valves and injectors on cat 3406 E pinned motor please give me info on what valves to adjust when pinned on Jake Brake 340C: All ratings : 0. Remove the housing hold-down bolts (3). OEM #: 013172. 027") 1994 to 1997 435 HP and HIGHER 0. Also a brake. CAT 3406B Jake/Engine Brake. Adjust till there is slight drag, same as the intake valves. -Oil pressure test at engine brake may be required. please be very specific and detailed thank you. 1,935 Satisfied Customers. Net. Trigger Adjustment Kit for Jacobs Brake, Model 349A. I just bought a KW and the jakes do not work . Cat Jake/Engine Brake on HeavyTruckParts. I changed the Jake brake switch on the back of the pump on my 3406b. 20. It works as 2 cyl, 4 cyl and all 6 in the third position. For Jake to "be allowed to operate" : Engine Brake dash switch (or gear lever switch) must be ON. The exhaust valves must be closed on the cylinder to be adjusted. 027” (0 cat 3406b jake brake assembly, model c346b, includes jakes, jake spacers, towers, bolts, rocker arm assy, exhaust valve bridges, for jake brake conversion CAT 3406B ENGINE BRAKE ASSEMBLY, C346C MODEL, FRONT BRAKE Search our large inventory of New/Rebuilt/Used CAT 3406B Engine Brakes | Exhaust Brakes for sale. Illustration 1: g00596577: Typical configuration for Jake Brake's engine compression brake (1) Slave piston adjusting screw (2) Slave piston (3) Rocker arm : Jake Brake 340E : All ratings : Repeat the last procedure to secure the brake housing. We just had the injector pump rebuilt and we installed it today. 2016. Page 1 of 2 1 2 How do you adjust the trailer expedite_it posted Jan 18, 2025 at 9:01 PM. It is not a substitute for the service braking system. I think. 1990 379 with a B model Cat turned up with 349A super jakes. Jacobs Brake Caterpillar C10 & C12 Installation Instructions 021222B - Free download as PDF File (. 5030 Sign In/Register 0 When it’s armed, taking your foot off the throttle and not touching the clutch engages the jake brake and it stays engaged if you use the service brakes but if you depress either the clutch or put pressure on the throttle it disengages, at least in the Kenworth W900 Studio I drove; 3406 425 CAT, VIT interior, 13spd, and air ride axles. The casting number is 00-021416-E. on the back Jake brake, I get a lot of oil out of the #5 master piston shaft when the solenoid is actuated. 15,928 satisfied customers. CALL NOW. Insert the switch to about the same depth as the idle screw was. MARYBETH. All bolt holes are clean and clear from all obstructions. 003 inch) BXS1-UP 340B, 340C, and 340E Compression Brakes Loosen adjustment locknut (1) and back out the adjusting screw until the slave piston is not in contact with the exhaust valve rocker arm. I think the non-electronic Cat I drove was the same way, maybe this is your problem? just 3406 then 3406B. injector 1,2,4. I dont have the vin and can't get it right. (4) Feeler gauges. Could you tell me the tightening sequence on a cat 3406 exhaust and the torque In this video was we are looking at a truck that has weak Jake brakes. 027 You will need a special tool to check the injector height settings ALWAYS ROTATE ANY CAT ENGINE TO THE RIGHT The Jake Brake Tune-Up Kit is a complete solution to restore your Jake Brake to its original performance levels. 349's had twice the valving/moving parts and incorporated a plenum for extra oil to build more pressure against the slave piston, which caused extra wear in the slave piston bore, rendering the housing as useless after time. Mike Mcmillan. The serial number is not Ona 1989 peterbilt tractor 3406 mechanical engine jake brake at idle dont turn truck off u think it needs an adjustment By chatting and providing personal info, you understand Can you send me procedure fir adjustment fir 3406b mechanical then thats it pal thank u. Cat 3406b Jake Brake Wiring Diagram. fordguy4u. I drove a truck with 3406B mechanical (425hp) and a 13 speed back in the early 90's, same jake as on yours but the newest version for that engine. How do you adjust a 340D Jake Brake on a C15 CAT Engine? Cat Man. Disconnect wires (1) from compression brake (2). To properly adjust a CAT 3406B valve bridge, the setting is an additional 1/12th of a turn from initial contact. 31 posts · Joined 2009 Add to quote; Only show this user #1 · Jan 4, 2010. Lift off the engine brake housings (4) and place them on a clean work surface. how do i adjust my jakes. 030") 1998 ALL H. NOTE 1: Early 3406 Engines prior to Ser I have a 1986 cat 3406b with jacobs jake brake model c346b. I am ASE Master Truck Certified. Thanks zx150, May 21, 2016. The truck ran like a top until I did this and now Customer: 3406b model 7XC08592 serial number, reference number is ***** Want to adjust the bagk brakes. 4. The Jake Brake" Model 31 OA is designed and approved for use on all 1996 and later Cat 3406e Jake Brake Adjustment. Do not allow the adjustment screw to turn while you are tightening the adjustment locknut. Tighten to 22 N·m (16 lb ft) (9) Adjusting screw (rocker arm). From what I understand, it opens the exhaust valves a little sooner than the old ones Cat 3406B JAke adjustment Discussion in 'Trucks [ Eighteen Wheelers ]' started by rank, Jun 22, 2014. RE: Jake Brake 340C: All ratings : 0. For more information on driving with the Jake Brake, consult your owners' Driver's Manual. item 4 Jacobs Engine Brake C336A C336 24V S/L Cat 3306 jake brake front housing 018949 Jacobs Engine Brake C336A C336 24V S/L Cat 3306 jake brake front This is a video on performing a tune up on C12 engine. Brake Housing Installation 5 Housing Placement 5 Valve and Injector Adjustments 5 Slave Piston Lash Adjustment 6 Housing Wiring 7 Final Housing Installation and Test 7 Please give me the run down on why the adjustment of the Jake brake is odd to me on these cm2250s/871s/cm2350s? Ive watched rawze video on the injector swap, and he ran thru the overhead, (the overhead makes sense to me) but the jakes on how you have a toleance of +/- such a min/max is odd, especially coming from a series 60 were you adjust the 1996 3406 cat need jake brake adjustment spec and feeler gauge size. The vehicle's service brakes must be used to bring the vehicle to a complete stop. Show/hide table. You will check the Jakes The Jake nuts torque to 100 foot pounds. Answered by Nich M. Recheck the valve lash after tightening the adjustment locknut. zx150, May 21, 2016 #1. 1 TDC Intake 1,2,4 Intake - . pdf Customer: I have a 3406b cat Jake brake doesn't work. how to adjust intake & exhaust valve and Jacob brake adjustment To properly adjust a CAT 3406B valve bridge, the setting is an additional 1/12th of a turn from initial contact. NOTE: The remove and install procedure is the same for each of the three compression brake (Jake Brake) assemblies. Thanks For any Help anyone could give me! Used Used Cat 3406B Jake Brake Assembly Comlete Set PacBrake 346C / 346D Style. Step 7. 762 mm) 019954 5EK 14. One thing you should be aware of, is that a 3406B or 3406C jake brake (using long valve train pushrods) isn't as "strong" as a 3406E, C-15, C15 style jake brakes, that uses the unit injector rocker arm. 22,689 Satisfied Customers. {Note: the longer, skinnier 3406B/C pushrods, were the "weak link" and Jacobs couldn't design anything that allowed too much stress on those longer pushrods, thus Probably need to take that back Jake off and apart and see if I missed something. I The Jake Brake works and is effective with the exception of the change in switchology and the indicator light illuminating when the brakes are depressed without engine braking selected. The amout that the rack is limited is dependant on the adjustment alone. 06 Cat C15 NXS. I did also I notice with the front Jake brake solenoid activated a lot of oil came out where the slave cylinder pushes in at the front one number one cylinder but number two didn't have a lot of oil coming out of it the back one also did the same thing but to no effect. A 4 MG has one piece Aluminum pistons in all I have ever seen. 8. We have a Mack AC427 E7 We need the overhead adjustment procedure It has jake brakes Mack, We put a new head on it and. I have a 1986 cat 3406b with jacobs jake brakes model c346b. Mechanic's Assistant chat. T800 963840. Yes Sir, Thank you , Enjoy the foot ball games today Wayne Today, over 10 million Jake Brakes have been sold globally, and now the Jacobs Engine Brake® has a new home at Cummins. $763. Nich M. Could the jake brake have caused this? I was having problems with it. Remove timing pin from fuel pump and install seal plug back in pump. This manual provides detailed instructions for installing the kit. VALVE ADJUSTMENT. Owner at DJ Wilson. and Does it have alum. 21. Discard the used I have a 1991 KW with a 3406 motor, the jake brake has 2 switches on the dash A on/off and a 1/2 or full braking, the. Jake Brake Compression Brake Adjustment. Tighten locknuts (18) after the clearance (lash) has been made. Remove rear jake brake housing, loosen pushrod adjustment screw on # 5 and other "good jake brake cylinder " (I assume #4), flip up rocker arms. I am ASE Master Truck NOTE: The Jacobs brake for the 3406B Truck Engine has only one support bracket (18). there's a little bloop of oil that comes out of each one of Anybody have a wiring diagram for the jake brakes on a CAT 3406B mechanical? I believe I have the model 346 "Super Jake" not sure if it matters. 27. Customer: 1996 3406 cat need jake brake adjustment spec and feeler gauge size. A good rule of thumb I use is . It lists intake and exhaust valve clearances, main torque and Jake Brake Compression Brake Adjustment Illustration 1 g00596577 Typical configuration for Jake Brake engine compression brake (1) Adjustment screw for the slave piston (2) Slave piston (3) Rocker arm NOTICE Prior to adjusting the lash setting for the engine compression brake, Download Free Cat 3406e Valve Adjustment Manual Intermediate (DS) and Intermediate (GS) Maintenance Manual for Engine, Diesel, Caterpillar, Model 3508, NSN OEM #: 005602 ENGINE PARTS (GOOD USED) Caterpillar 3406C Engine Jake Brake Housing OEM 005602 For Sale, Part # 005602, Other Part # 8A13, MOD C346, Stock # 6011 | Tested & Inspected! ENGINE BRAKE PARTS GUIDE APPLICATION | CATERPILLAR 3406/B/C ENGINES. 11. (8) Add oil if necessary. 3ZJ I have a 2017 Sienna and I need the procedure to adjust the parking brake. The engine brake has rust, please refer to the photos provided. 1994 to 1997 410 HP and UNDER 0. Loosen the lock nuts (1) and back off the slave piston adjusting screws (2) until the slave pistons bottom in the engine brake housing. If you want the best performance and life, you would want the latest 349D setup I should think. The video is i Now i need the jake brake adjustment procedure. The Model 349A is NOT to be installed on 3406B engines with serial numbers lower than 7FB39279 Jake Brake Adjustment NOTE: Slave piston lash is measured between the slave piston (both ends of the yoke) and the bridge. EDIT: The . Running the jakes at about 2000 rpms lettin Also the general engine condition: low compression and valve lash adjustment can affect braking performance also. Cigarr lighter hot Adjust slave piston lash with the engine stopped. I had an exhaust brake on my dodge 3500 before this truck and it worked well for decents. com/channel/UCOPj4Htiu_glZS-YwHUwwXQFSC Truck Shop https://www. (basically, you are trying to "level" the bridge, across the two valves, question about cat 3406B valve adj and jake brake - 7920ont: 10/15/2014 19:21. SteveR. 020 Jake brakes . (2) Adjustment screw. Top CATERPILLAR 3406B Jake/Engine Brake. Page 1 of 2 1 2 Next > That is why it’s wired backwards in some folks eyes so that one circuit could run both brakes on 2 switches. For a comprehensive test, consult the manufacturer’s manual or a professional mechanic. CAT 3406B Jake/Engine Brake in Hudson, CO #182770. [Note: the 3406B model came next C-15/3406 Jake assy torque?? 1/2 coarse bolts, and 3/8 coarse studs and nuts which are all used to hold down the rocker shafts, and Cat brand jake heads. B. Cat Man. 08 mm (0. '62 gmc shortbox 454 super t10 big brakes JD 820 black dash 12V92 waitin' for a I have a 1986 cat 3406b with jacobs jake brakes model c346b. To test a Jake Brake solenoid, first, disconnect the solenoid wires and check for continuity using a multimeter. and Jake 2,4,6. 346b model. I have owned all series of E and C-15's and it always worked good for me. I've had this car for just about 3 years and this is the third time the left front brake pad has gone bad, and it always seems to be while driving through the mountns or heavy rn. JBFixxer. What is clearance on Cat 3406 jakes. Listening to the sweet sound of the new pipes. To use the brake pads are lined up on the disc, the brake pads are pressed agnst the disc using a hammer. 22,708 Satisfied Customers. There is quite a bit of info about adding Jake Brakes to the 5. 1. 027 to . 0 Steer stabs with Rize bracketry, MBRP 4" turbo back 3406B 4GM68634, Has Pac brake and Brake Saver I need valve adjustment, injector, and pac brake adjustment with Torque. Contents Page 1. Page 2 of 3 < Prev 1 2 3 Next > Jun 23, 2014 #11 The trailer brakes get stuck itsjc posted Dec 16, 2024 at 4:25 PM. An identification tag is attached to the valve cover showing all the necessary information. For the correct clearance see the Subject, Jake Brake Adjustment in Testing And Adjusting. THANK YOU MUCH. 0:00 Cold Start1:30 Removing Jake Housings3:50 Disassembly14:08 Cleaning The Jake screw under the high idle is simply the low idle screw. Answered by Cat Man in 2 mins 8 manually resetting Jacob brake#MachineHealer Cat Man, How do I adjust Jakes on a 3406B and the specs please. The oil pressure is 60psi at idle. Try not to back the adjustment screw off too much or the plunger may try and extend causing a lash in excess of. Adjust slave piston lash with the engine stopped. So the AFRC can limit the rack travel to 95% fuel, or 90%, or 85%, or 80%, or less depending on the adjustment until the AFRC is activated by boost Remove and Install Compression Brake (Jake Brake) Start By: a. RE: Super Jake for the B Model. To give tutorial for complete overhead parts installing with intake & exhaust valve adjustment and Jacob brake adjustment. I've read the jake comparison info from thread on 4-10. 9 engines used in Dodge trucks, but nothing I can find about the ISC. CATMAN 3406B 7FB engine remove gears and plate to block. 7FB Serial Number Prefix is 3406B Engine, 92U Serial Number Prefix is Earlier 3406 Engine, 3406-3406B Engine identification is by Serial Number My buddys Pete loaded at ~70k comin off the freeway. Used CAT 3406B Engine Brake | Exhaust Brake for sale. 015 Exhaust 1,3,5 (and use the 30 on the Jake lash too, unless you already have a . Car Specialist. Specialities include: Agriculture and Farm Equipment, Boat, Construction and Road Equipment, GM, Heavy Equipment, Industrial Equipment, Medium and Heavy The following leveling (shimming) procedure is required on 3406B engines with serial numbers lower than 7FB39279 and all 92U prefix engines. Is the injector pump switch malfunctioning or is it just not properly adjusted ? Thanks, 22Chet (poor pedal travel or adjustment ??) if the clutch pedal switch seems to work repeatedly and smoothly check for binding throttle linkage or turn On 3406 engines, install the Jacobs locknut and seal washer on the switch. 028 I think, mine are, but I’m pretty sure all 3 Jacobs models are different. 033" on the P-39B and . 00 Add to cart Related products TDC cyl 1 adjust 1 2 4 intake 1 3 5 exhaust 3 5 6 injectors and 1 3 5 Jake Brake TDC cyl 6 adjust 3 5 6 intake 2 4 6 exhaust 1 2 4 injectors and 2 4 6 :thumbsup i hope a help a little:thumbsup 3406 E Valve Adjustment No. 035 ± 0. com • Internet: www. Sold by: River City Truck Parts Inc. Jake Brake on my 3406B turns on and works fine at idle but will not turn on when going down the road. find a "good" adjusting jake brake cylinder (I assume #4, adjusted fine). Jacobs Service Letters should be consulted for additional applications and updated information. Note: there are some different adjustment settings, for different models AND serial numbers, also; for your final adjustments, after rebuild/Tune-up. Remove four bolts (3) and two nuts (4). This time we go piss off Seattle Cat c15 6nz need valve injector also jake brake adjustment values and torque spec for rocker lever shaft. How do you adjust the bridge, jake and valves on a 3406C with a 346D jake. The Jake Brake solenoid plays a crucial role in engine braking systems, About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright To adjust the jake brakes once you adjust the valves illustrated in this video. As part of the Cummins family, we will continue to supply you with industry-leading engine brakes as well as advanced valvetrain technologies to assist in meeting current and upcoming emission regulations. 3406 MECHANICAL. Torques 3406 Caterpillar - Free download as PDF File (. I have a cat 3406b and the jake brakes are not working they are getting 12v from the switch and the actuators are moving when powered but the jakes are not working any ideas Search our large inventory of New/Rebuilt/Used CAT Engine Brakes | Exhaust Brakes for sale. Would you still get the exhaust brake if you could have spent an extra $700 and gotten the Jake setup instead with the 349A heads like Longhood mentioned above? I've always been told that Jakes work a LOT better than exhaust brakes. Daniel Wilson. 686 mm) 003912 435 and Over 0. I have cat engine that bent Getting off the highway loaded. 76 mm 340D Compression Brakes Loosen adjustment locknut (1) and back out the adjusting screw until the slave piston is not in contact with the exhaust valve rocker arm. mbj359 Discussion starter. 037. 346 SERIES. BEFORE STARTING Identify the engine model. One question (of many) is about the brakeaver. youtube. txt) or read online for free. pdf), Text File (. 3. Could the jake brake have caused this? Cat Man, How do I adjust Jakes on a 3406B and the specs please. RANGES 0. As you adjust the afrc (back the screw out), the rack travel is limited until the afrc gets activated by boost pressure. FSC Speed Shophttps://www. 100" cyl You may also like Dirks1152 – Jacobs Jake Brake Clutch Pedal Switch, 359/379 $ 110. 22,041 Satisfied Customers. I also am having trouble w/ my 349a jake on my 3406c. 090. 027” (0. Can I use a Cummins Jake brake adjust tool to also check running clearance Mike Mcmillan Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel 3406B Cat Jake Break & Retarder wiring Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by bctrucking2017, Jan 8, 2023. This is very important to maintain the correct lash. The P-36 Engine Brake is designed for 3406 applications. . Examine the valve cover. Also truck still ran. After adjusting the brake pads, the brake pads are lined up correctly, but the brake pads may still need to be adjusted Cat 3406B Jake Brake. Caterpillar 3406 engine brakes / jake brakes for sale3406b inquire brake jake 3406c brake jake cyl3406e cat brake jake engine hardware single used model. Thank you engine brake is applied. I have a book on 3406B and is about the same but still the adjustment on push rod to jake I don't see no ajustment for it or how to. vphtu wynfh xbax hfyh uhhynj ilrvp dnrpu haw tzht phylnzx