Cat 3406b timing advance weights. I have several different kinds of.
Cat 3406b timing advance weights. Remove Fuel Injection Pump Housing And Governor START BY: a. From what I gather, I could have my pump gone through, and install a mechanical afc & governor housing, and convert my timing advance to mechanical with a weight set. Find the best priced used Caterpillar 3406B Engines by owners and dealers. Jun 20, 2021 · We have a 3406b 2ek peec motor that has been giving us Some intermittent issues that have become persistent. If it is your ok, but if not take the timing advance off and role the pump over until the notch is centerd in the hole and bolt the advance back on. I think the timing is quite good because it doesn't smoke at full boost and EGTs stay safe through the rpm range. Aug 31, 2009 · Search this forum Printer friendly version E-mail a link to this thread If the automatic timing advance unit cannot be adjusted to operate within the correct range, or the operation of the unit is not smooth, repair or replace the automatic timing and advance unit (governor and fuel pump drive group). Disconnect fuel line (1) from the fuel transfer pump. If you taske the timing cover off and the weight carrier cover bolts off you can grasp the weight carrier and see if it slips if it does the assembly needs replaced. When the weights wear it doesnt work right. And yes, I did the math 3 times to make sure. - All current Caterpillar engines use some form of automatic timing for the fuel injection pump. just an opinion. If you have some one within a reasonable distance to meter check it it is a VERY good investment. Any suggestions on where to set the timing? I am thinking it will need to be around 24-25* as that's where the earlier JWAC engines were Jun 21, 2010 · 3406 PEEC Introduction The 3406 PEEC evolved from the legendary 3406 mechanically governed engine with the addition of an electronic control module (ECM). We had it to the local international dealer twice Search our large inventory of New/Rebuilt/Used CAT 3406B Engine Fuel Injection Pumps for sale. I just got back from moving a 92,000 lb oversize Enid OK. When rebuilding, verify part compatibility—4MG prefix parts may fit 4CK models but confirm with serial numbers. AUTOMATIC TIMING ADVANCE UNIT. Thanks for any assistance. Customer: I'm working on a Cat 3406B and trying to remove the automatic timing advance to reseal the front plate. ft. Overall, the 3406b Cat injection pump is a vital component of the fuel system, ensuring that the engine receives the right amount of fuel at the right time. I have a '94 Kenworth W900 with an all mechanical 425HP Cat 3406B Oct 3, 2011 · To check the weight carrier is these, the entire advance must be removed and disassembled from the rear to get to the weight carrier itself. To set timing on a 3406B Cat engine, first locate the timing marks on the flywheel and injection pump. Jan 15, 2017 · It will be getting UN-peeced, hopefully before any major problems arise. Pull the nose cone cover for the timing advance. when putting it back together carrier should be collapsed and then i installed the 1/4 in Allen bolts. The gear of the automatic advance unit meshes with and drives the fuel injection pump camshaft. The cams are different and the advances will not interchange. I have access to the dynamic meter and WILL be using it. The steps include removing nuts and bolts to detach the lines and timing advance, cleaning surfaces, installing new gaskets, and tightening to the specified torques. I don Jun 28, 2011 · Leave this function to a CAT person. Nov 21, 2008 · The timing advance you should get a surge after starting about 2 seconds later it should change. Rotate the engine to top dead center (TDC) on cylinder one. 5% positive Aug 28, 2023 · Caterpillar 3406b (Cat 3406b for short) is an old engine model, yet it still receives lots of great feedback. Ensure valve seals and piston rings are intact to prevent oil entering combustion chambers Timing Advance Controls The timing advance mechanism is the same as the 3406B mechanical engine, except the Timing Solenoid (BTM) controls amount of timing advance instead of flyweights. Sep 16, 2012 · The orifice screen assembly restricts oil flow to the timing advance mechanism (drive group). Remove line (3) from the fuel ratio control and aftercooler housing. Disassembly and assembly of the automatic timing advance and fuel transfer You can expect to see a consistent pressure between 30 to 40 psi. I would first check the fuel pressure before delving deeper. Fast Delivery. Timing has lowered through the years for emissions reasons. Tighten bolts (3) to a torque of 3 N·m (27 lb. What should be the static timing and the rpm and seting for the other timing setting? My engine is a 4MG13254, AR#9Y2323. The Setting timing on a 3406b cat engine in my project 1980 Peterbilt 359 EXHDT-ShirtsGet your shirt here https://bit. Do the steps that follow to adjust the fuel injection pump timing. Remove seven nuts (12) and remove housing (11) and gasket. Aug 11, 2008 · The 3406B injection pump is basically the same from 310HP all the way up to 425HP. Getting ready to fire but wondering where I should set the timing at. This setting is 0. Once set, I recommend marking the vibration damper and aligning it with the engine belts. Disconnect fuel injection lines (4) from the fuel injection pump housing. then I flipped it over and put the weights in with new 10/24 retainer bolts,then I put the spring and nose on,and put the 4 nuts on. There were about 3 times while pulling Hwy 17 where I noticed that my boost and exhaust temps wanted to Dec 19, 2011 · 3406 c peec timing advance assembly Discussion in ' Trucks [ Eighteen Wheelers ] ' started by log trucker, Nov 14, 2012. The CAT 3406B timing advance involves the injection pump’s internal mechanism controlling fuel timing. ly/3eteLZk Jul 19, 2005 · I'd be setting your pin timing back to dead on or no more than half a hole advanced at the flywheel hole till you can get the advance properly set. Install automatic timing advance (3) on the end of the fuel pump camshaft and install the four bolts that hold it. This is in my personal mechanics truck and am trying to get a little better fuel mpg but don't want to melt it down, truck weights about 52000. Make sure the "E" clip is intact and all the weights are in place. The weights could have worn into the race, causing slow timing. The early 3406's had 26 to 28 degree timing. Install automatic timing advance (4) on the end of the fuel injection pump camshaft, and install bolts (3) that hold it. Purchase all the necessary parts and tools to service your machine! Feb 22, 2021 · The Antique Caterpillar Machinery Owners Club (ACMOC) was founded in 1991 by a small group of enthusiasts who all shared a similar passion, the legacy of antique Caterpillar machinery. Jan 2, 2013 · Jump to page : 1 Now viewing page 1 [50 messages per page] 3406B VEHICULAR ENGINE FOR D40D & D400D ARTICULATED DUMP TRU Automatic Timing Advance Caterpillar online information Dec 16, 2016 · A 3406B/C times with a pin that is basically 3/8" diameter, so you can make one for occasional use, by cutting the threads off a 4 inch long bolt. 2. I'm posting a drawing (please don't laugh) looking at it from the back, do I weld A to B or A to C ? Timing loss in a Cat 3406B after warm-up often stems from injector pump wear or loose timing gears. Jan 16, 2011 · Speaking of timing, I have a question re: 3406B 7FB motor. Engineers, mechanics, and equipment owners favor the 3406B for its simple layout and ease of The maximum indicator reading is the dynamic full torque fuel setting of the engine. Do you have a pyro to observe higher than normal EGT's? Oct 29, 2010 · Rotate the bellcrank away from the timing advance unit and pin the bellcrank in place using a #2 phillips screwdriver. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page. 1 Year Warranty. Jul 31, 2012 · Check the timing advance its behind the cone on the front of the engine where the injection pump goes on. This prevents the internal weights from moving and preserves the advance setting. 3406 Diesel Engine S/n 70V1 & Up THIS IS A MANUAL PRODUCED BY JENSALES INC. Blue smoke in a Caterpillar 3406B can indicate excessive oil burning, often linked to timing advance issues. Very common on the 3406. Any pump with 7E-5888 cast in the side is a C pump. On sleeve metering injection systems, this advance is mounted on the front end of the camshaft of the engine. Sep 9, 2009 · You need to check timing advance unit and also advance the timing easy to do! Find and pin TDC at the flywheel. 6 L (893 in 3). They deliver high power output, proven reliability and excellent fuel efficiency. Is this the fly weights you were talking about? NOTE: If it is desired to only remove the governor so the fuel injection pump housing can be disassembled, do only Steps 1, 2, 3, 16, 22, 25, 26, 27, 28, 32, 34 and 37. I have several different kinds of Feb 20, 2025 · To successfully remove the automatic timing advance unit on a Caterpillar 3406B (4MG23190) without losing the timing advance settings, follow this detailed procedure step-by-step. 3406C is a much better engine to high horse than a 3406B. Click for Cat 3406b horsepower and torque! The Automatic Timing Advance Weight controls the fuel injection timing, which directly influences engine power, efficiency, and emissions and maintains the optimal efficiency of the engine out with fuel economy. A freshly tuned 3406C would outpull a 500 E CAT, but usually not a 550. I set the timing 1/2 hole advanced, if you have never done it get it set and ask if you can watch. This document provides instructions for removing and installing fuel injection lines and an automatic timing advance on a 3406 engine for a generator set. The 3406E is an in-line six cylinder engine with a bore of 137 mm (5. Other than that, maybe poor fuel or clogged filter. Jan 19, 2010 · 3406B fuel setting issue Discussion in ' Trucks [ Eighteen Wheelers ] ' started by Scrapper, May 29, 2012. Disconnect fuel line (2) from the fuel injection pump housing. 1993 3406b motor how to set timing on fuel pump advance Found this inside my timing advance cover on 3406b. never Oct 26, 2010 · Jump to page : 1 Now viewing page 1 [50 messages per page] Oct 31, 2016 · Timing advance has been rebuilt with new seals, weights, races, and spool. rack 24 of 80 Term Regarding 3406B governor or timing advance weights, as the engine speed increases the weights: Input start camshaft Sep 21, 2009 · Jump to page : 1 Now viewing page 1 [50 messages per page] Nov 28, 2009 · The timing advance will not fit from a B to a C. All have to be verified by taking timing cover off. . Tighten the bolts to a torque of 55 ± 7 N·m (41 ± 5 lb. 02 worth. ATL Diesel proudly offers the best high-performance CAT 3406B engine parts and rebuild kits. 4 inch) and with a stroke of 165 mm (6. CATERPILLAR AND IT’S SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL. boost. the following is what it started with pin timed and then start screw turned out 5 turns and then another 5 turns. I would prefer to have a pump and timing advance built, bench tested and ready to swap to reduce downtime. Key parts include the timing advance assembly and injection pump casting 7W3906. Caterpillar 3406B Timing bolts - hilltopridge : 8/31/2009 23:09 RE: Caterpillar 3406B Timing bolts - CATGUY : 9/1/2009 00:11 RE: Caterpillar 3406B Timing bolts - hilltopridge : 9/1/2009 00:30 RE: Caterpillar 3406B Timing bolts - CATGUY : 9/1/2009 21:38 RE: Caterpillar 3406B Timing bolts - hilltopridge : 9/2/2009 00:08 Regarding 3406B governor or timing advance weights, as the engine speed increases the weights: Aug 31, 2009 · Jump to page : 1 Now viewing page 1 [50 messages per page] Convenient 3406B TRUCK ENGINE parts packages for common maintenance and repairs. Thermal expansion can cause timing components to shift, so ensure all bolts are properly torqued and seals intact. Specifically, I need them for the front plate, front gear cover, front gear bolts (idler and bull gear), cam retainer bolts, timing advance, rocker shaft bolts, head bolts, jake housing bolts, and valve cover. The 3406E engine has a total displacement of 14. The timing advance mechanism ensures that the fuel is injected at the optimal time during the engine’s combustion cycle, maximizing power output and fuel efficiency. do I need to buy the 8t5300 and 8t5301 which would limit me to the cat only or would a ferret timing meter be more universal. Now you'd turn the engine by hand until the pin drops in, and then your hole for the engine should be close. The truck ran much better than expected and on the trip up I averaged 4. Mar 3, 2007 · Just check that the pump and the engine are in time, pin the engine at TDC#1 and look in the hole in the pump and see if the notch is centerd in the hole. Regularly inspect and maintain the fuel injection timing system to . Remove nuts (1), cover (2), and the gasket. 6 18. The engine is configured for turbocharged air-to-air aftercooling with electronic unit injection. So. Is that the weights that are located behind the cone shaped cover on front of engine? The truck only seems to have decent power from 1500-1700 rpm. The restricted oil flow increases the time required to obtain full advance during acceleration and reduces engine and total vehicle noise levels. The pump timing pin hole has a small plug (9/16 wrench) right in the middle of the pump housing coming up at a 45* angle so to speak. Complete workshop service repair manual with electrical wiring diagrams for Caterpillar 3406 & 3406B Disel Engines. ) greater than the static full torque setting given on the Engine Information Plate of later engines or in the FUEL SETTING AND RELATED INFORMATION FICHE. com. If the timing bolt does not go into the timing hole in the flywheel, the timing is not correct. Is this I need to remove the automatic timing advance unit on a 3406 Need help putting back together timing advance 4mg 3406 Mechanic's Assistant chat Customer: Hello, I need assistance with reassembling the timing advance for a 4mg 3406. remove automatic timing advance 1. May 17, 2014 · I have not checked the timing advance. ). Shop HHP for a Caterpillar 3406B Fuel Injection Pump Rebuild Kit (REBCAT3406B). Jump to page : 1 Now viewing page 1 [50 messages per page] Mar 2, 2010 · Sounds like maybe timing advance issue. : 81561782 Caterpillar 1W5427 Timing Advance Spring 3406B Manual Market (1333) 99. As well, its easy enough to remove the conical front timing cover and inspect the rotating group for easily visible damage in the flyweight, pin security, failures are common. These kits will enhance the engine’s performance and lifespan. To set timing on a 3406B CAT engine, first locate the timing marks on the flywheel and injection pump. If you're close to an oil change, check for stray small bits on the magnet. Apr 16, 2025 · The Caterpillar 3406B engine is celebrated globally for its power, reliability, and versatility across rugged environments. The small fingers on the fly weights are known to break off, which can cause issues with the timing advance. I have run a few trucks with B and C 425 cats and when they started to smoke up the sides of my trailer i would get the advance checked. Enjoy our hassle-free online checkout or call to speak to an expert. 6 Dec 12, 2005 · Perhaps a timing advance problem. Gov spring might be some loose type because it seems to cut fuel over about 1800 rpm like you Sep 28, 2024 · The Cat 3406B engine’s specifications highlight its robust design and engineering, making it a reliable choice for demanding applications. Quality Diesel Engine Parts. Apr 9, 2016 · I am getting frustrated with pin timing cat 3306b and 3406b models,all the local mechanics have never even heard of a timing meter. A good rule of thumb is any pump with 7W-3906 cast in the side is considered a B model. General Information The engines are electronically controlled mechanically actuated unit injector diesel engines. This Caterpillar 3406 & 3406B Engines service repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group 1982/01/13 Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine 1982/03/31 Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator 1982/09/01 Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Found this inside my timing advance cover on 3406b. With the timing locked, carefully unbolt the advance unit using the 3/8" bolts. As long as you don’t alter any settings, you can remove the cover and inspect the fly weights. Just a thought! Mar 31, 2012 · If this isn't the right forum for this post please forgive me. For your largest power needs in any environment, Cat<sup>? </sup> 3406C Industrial Diesel Engines offer the unsurpassed performance and durability your customers need to keep their industrial applications and operations running. Can the timing be advanced by the pin/field method or should I take it to a shop to have is set using the Cat gauges. PEEC adjusts voltage to the timing solenoid to change timing advance. It’s a mechanical diesel engine that thrives where high-torque, low-RPM performance is required. in. I-40 & 17 have some nice pulls coming out of AZ. Is this the fly weights you were talking about? Jan 31, 2021 · The 310 is gonna need pistons, pump cam, timing advance, governor, nozzles and turbo to make it a 425. 5 inch). Nov 23, 2005 · I AM NEW TO THE SITE BUT I SEE A COUPLE GUYS KNOW ABOUT CAT 3406'S I HAVE A 3406B AND I'M TRYING GET IT UP TO 600-650 H. The newer style advances have both four and eight bolts. If anyone knows of a cat specific forum out there, lemme know. They are quadraseal orings, so they last a very long time. The difference is the static timing on the cam. Jul 24, 2013 · how many rpms before max is the governor starting to cut down fuel? 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. If not you need to get it repaired. Feb 25, 2011 · When I did the timing I pinned the pump,and engine, mark the dampener even with the belt, backed of the engine 20 degrees, then tightened the timing advance to about 5 lbs, then turn the engine with a turning tool, I use a pin punch to find the timing hole looking at the damper mark, and set it at 1/4 hole advanced. This will help you know when the pin will drop back into place, preventing any breakage. The ECM controlled major functions of the engine such as engine timing and fuel rate by using actuators. Aug 18, 2022 · Caterpillar first began producing the 3406E in 1993, and it was the last 3406 model engine, as it was also kind of a transitory engine to the Cat C15, which is actually very similar to the 3406 but not in the same engine family at all. In conclusion, the Cat 3406B engine is a powerhouse of performance, offering exceptional power and reliability. Dec 10, 2010 · Meter timing shows the advance curve and start point, pin timing only sets the initial idle timing ,IF, the advance goes to full retard at shut down. I've worked on gasoline engines most of my life and diesels are an entirely new dimension for me. To advance the pin timing, start by inserting both pins simultaneously (for the flywheel and pump). If dynamic full torque fuel setting is not reached, increase the air pressure to make sure there is full fuel ratio control Found this inside my timing advance cover on 3406b. My manual provides instructions for the earlier version, but I have the later version. Check the timing advance mechanism for proper adjustment using the factory timing diagram. Great Prices. Inspect the fuel injection pump and injectors for wear or leaks causing improper fuel delivery. The timing it should have a slight rattle to it. The 7FB and 4MG pumps look the same but the 7fb uses a different pump cam and timing advance. Jul 30, 2012 · I was wanting to weld the carrier in a 3406 timing advance, I've done it before but it's been a while and I can't remember exactly where to weld it. JUst a thought! Click to expand whats the AFC ? Jan 2, 2013 · Search this forum Printer friendly version E-mail a link to this thread Jun 21, 2010 · 3406 PEEC Introduction The 3406 PEEC evolved from the legendary 3406 mechanically governed engine with the addition of an electronic control module (ECM). just my . Disassemble carefully following service manuals to avoid damaging springs or weights inside the Oct 2, 2013 · Question just got done rebuilding timing advance. 02 in. 5 mpg's. Feb 7, 2018 · 3406b 600-700hp Power recipe? - MHH AUTO - Page 1 To obtain your registration code, please reach out to P a r t s Manual 3406 (Industrial Engine) 6TG03416 & 6TG03417 Ar. Cat uses a pin to set timing here you do not need the pin. I WAS IF SOMEONE KNEW THE NUMBERS TO SOME BIGGER INJECTORS FROM CAT AND IF ANY ONE HAS 550 OR 600H. WITHOUT THE AUTHORIZATION OF CATERPILLAR OR IT’S SUCCESSORS. E MODEL THATS KNOWS THE CAT PART NUMBER FOR THE TURBO? ANY HELP WOULD Dec 6, 2010 · I have 20% over injectors and a turbo that generates 20-30 Lbs. It started with cutting out occasionally, turned into dying and a crank no start condition then would be fine for a few thousand miles. 3406B VEHICULAR ENGINE FOR 245B & 245D EXCAVATORS Automatic Timing Advance (Later) Caterpillar online information Aug 26, 2016 · Advance is rebuilt and stop screw is removed. It is engraved on the end where the timing advance goes. Remove the 9/16 plug in the middle of the fuel pump there will be a notch down inside the plug hole. Customer: I'm looking for the torque specifications for a 3406B CAT engine. I know Bosch B pumps usually start to cut fuel about 500 New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group 1982/01/13 Correct Use Of 6V2023 Flow Check Adapter Group Is Important To Prevent Damage To An Engine 1982/03/31 Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator 1982/09/01 Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine 4 days ago · Browse Caterpillar 3406B Engines For Sale near you on MyLittleSalesman. 5 turns out 5 more turns out 660 18. 5 mm (. Check the injector pump drive gear for wear or backlash, and inspect the timing gears and chain for looseness. Check the weight tips, replace the races always, check the C clip for tightness (use 093101 clip on all advances) and sometimes replace the orings. P. No. Remove & Install Automatic Timing Advance 1. More voltage results in more timing advance. Whether out at sea or in a remote oilfield, the 3406B is built for endurance. May 13, 2024 · Draining oil on a cat 3406b and this was on the drain plug magnet, any idea what this is? Feb 21, 2010 · Timing is not touched but the advance stop screw is turned out a little bit which helped pull to higher rpm even if boost stayed the same. The third is timing advance slipping or the carrier assembly coming apart. lflas tiwf wrkendu dptwd btizrgu amsn jowruz fwavqg lmthm ixgthr