Cat 3306 fuel rack stuck The only way to check for correct installation of pumps with engine stopped is to measure full rack travel with the entire governor removed, including piston Jan 22, 2014 · There are 2 possibilities for your problem. If a lifter is stuck up the pumps bottom plate will need to be removed to see if you can get to the lifters to pull them down --this action should release the pump plungers/rack As suggested remove the stop solenoid and see if it is stuck in the shutoff position. for a 3304 engine--3306 is same but 2 extra pump elements. 1. It will take a 3/8 deep well socket. Our motor has always been in cold storage and they got very stuck from setting for over 20 years when we last ran that motor. 32 mm), will be reduced if the pump is installed one or more teeth off in either the “fuel on” or “fuel off” side of its gear segment. The engine was primarily designed for use in heavy-duty trucks, including dump trucks, garbage trucks, and logging trucks. The Engine Does Not Have Enough Power Feb 28, 2020 · The fuel rack can be checked and adjusted with the fuel injection pump housing either installed, or removed from the engine. Start By: a. 800 in. ADJUSTING RACK SETTING (D330C and D333C Engines Illustrated) 8. 3) So pull intake manifold and governor housing. Acert twins via custom mount. a. Caterpillar 3306 Engine Will Not Start. Fuel loss kills full load to miss, not smooth drop to idle. Diagnosing Sleeve Metering Rotation Caterpillar 3304 3306 Fuel Pump CAT 1W1695 *Please Verify Your OEM Number Before Purchase. When you increase the fuel rate you will have to adjust the high idle rpms afterwards. Oct 6, 2021 · Hi Richard, Not sure if the PDF will attach--it has details of assembly etc. 2. Install Tool (A) with the inside lip of the puller on the lower stepped diameter of the nozzle and the tip of the button in the threaded hole for bolt (1). they did something wrong if soliniod is clicking good ,look at flapper Dec 18, 2019 · Looking for help with a 3406b fuel injector pump (7W3906). The fuel rack must be set correctly before setting the fuel ratio control. Heavy Duty Caterpillar Fuel Pump; Fits Caterpillar 3304 And 3306 Series Engines; Direct Aftermarket Replacement For OEM #s: 1W1695, 2794980 And 279-4980; Sold Individually; Quality Made Product Feb 26, 2020 · The accelerator pedal controls only the compression of governor spring (5). Customer: I have a 1964 977H caterpillar loader with an 3306 engine (Serial number 53A4998) that will only idle. Early 550 file, 211-3025 squirts. One is that your injector pump has slipped on the tapered cog at the front and the second is that the fuel rack inside the injector pump has seized in the off position. 800 cam. 1) Check the Fuel Lines – Inspect the fuel lines for any cracks or frays. Jun 13, 2009 · 3306 cat power increase. The engine has been sitting for several years and had a stuck fuel rack. All Caterpillar Power. To find the cause for no fuel, follow Steps (a) through (d) until the problem is corrected. Remove the rack cover from the front of the fuel injection pump housing, and cover (4) from the rear of the fuel ratio control. Install new parts for those parts that are damaged or faulty. I don't use the truck in the winter, and it's just coming out of storage now. Covered the easies already I think. Give each screw about 3 turns out and road test. The first post has an internal gov prob, most likely rack bar or drop lever from servo to weight drive. It was first introduced in 1973 and remained in production until 1994. Apr 11, 2021 · To be honest I don't think you need both those for what you want to do. Jun 24, 2014 · Faunsdale, AL: The individual pumps of the old CAT and other traditional injection systems meter fuel delivery as they are twisted by the rack. Feb 19, 2012 · In the case of a stuck rack, one can easily remove this screw, and then spin the stuck rack and barrel as a unit and move the slot out of alignment from the hole un-noticed! Aug 5, 2009 · Try to move linkage that connects the right rack to the left, but it feels stuck. b. According to all my info, it most certainly should have the sleeve metering fuel system - and the sleeve metering fuel system has a big removeable sideplate on the pump which allows you to inspect the internals. remove fuel injection lines 1. Remove Fuel Injection Nozzles. Feb 10, 2014 · Other trucks:1980 KW Ext hood, 1982 Kenworth Cabover Aerodyne (BJ and the Bear) 2000 and 2003 Kenworth W900's. Check the shut-off solenoid. The compressed spring force always pushes to increase the supply of fuel to the engine while the centrifugal force of the engine driven governor weights are always pulling to decrease fuel to the engine. Jun 23, 2017 · Hopefully, this information will be able to help you diagnose some common engine starting issues with the Caterpillar 3306. If you had water as you suspect and since the engine has sat I would suspect the later. Check for the correct governor spring. Check for free travel of the fuel rack. Jan 8, 2018 · Best way to keep them from sticking is roll the motor or start it. Second I would not suggest removing the Accessory Drive assembly unless you have access to the 5P143 timing plate to retime the drive. There can be many issues to look into if the engine does not start. The pump camshaft moves each pump plunger the same stroke every time, but there is a helical passage machined into the plunger and as the plunger is rotated, it changes the timing of when the helix comes to a "spill" port which bleeds off any pressure Best way to keep them from sticking is roll the motor or start it. 8. Governors slide nice as well as the max fuel lever that hits against adjustment screw. Apr 27, 2008 · Hi, I have a 1982 Ford LN8000 truck with a hydraulic boom on it, powered by a Cat 3208 NA, 5-2 manual transmission. Now take a allen wrench and back out both screws even amounts. Maybe not all but at least one. Oct 13, 2015 · Rack is likely stuck or a pump and its lifter is stuck up. 2003 Pete EXHD. If you're running 15psi boost right now and the first 3 turns didn't increase the boost, have the dealer replace you air fuel ratio diaphram ($100). Hold the lever (10) so the rack stop screw is contacted when reading the rack travel on the 9S215 Dial Indicator. Apr 20, 2023 · The CAT 3306 truck engine is a diesel-powered engine produced by Caterpillar Inc. Ensure that the fuel injection pumps are installed correctly. After the rack stop screw is properly adjusted, tighten locknut (9), install cover and seal. Fuel spec is 44psi idle, no less than 32psi full load. Mar 26, 2005 · Remove the plate and inside is two set screws. I changed the spring and seat in the transer pump plus I took out spring out of the governor for the oil pressure, and still will only idle. Most likely easily seen on dis-assembly. Oct 27, 2009 · This deal real quick, then shower and done. Remove the rack cover from the front of the accessory drive housing rear flange and the cover from the rear of the governor housing. ARP head bolts. Been some 20 years or more since I worked on these so will try and answer your queries. For one thing the Fuel Rack Setting and Governor adjustment is included in a 157 page manual, at least on SIS. This will increase rack travel on both torque and the top end. Edited by jimgen 1/8/2018 20:50 Feb 28, 2020 · 9S240 Rack Positioning Tool Group,4B9820 Wrench. Feb 26, 2020 · Total rack travel, approximately . Used forced air to check for minute Feb 28, 2020 · With a screwdriver, adjust screw (8) clockwise to decrease rack travel. Once freed up the engine fired up. If this does not help please ask again. Use the priming pump to make sure the fuel lines and fuel injection pump housing are full of fuel. Look for the springs, the linkage or other parts that are damaged or broken. . Have fun Thanks again to Tony from Welch Diesel Repair for this article! 80psi compound turbos with Cat parts: 1) 10R1888 turbo 1) 10R1887 turbo 1)(NNN) NNN-NNNNhose 1)(NNN) NNN-NNNNhose Jun 3, 2009 · 89P6618 makes it a 1977 model, and it's definitely powered by a 4N arrangement, 3306 engine. Remove bolt (1) and clamp (2) from the fuel injection nozzles to be removed. DT466(originally 230hp), #0 fuel plate, tighter gov springs, 22* timing SSSooooo, you'll feel the rack screw bar with the fuel and Feb 16, 2011 · Posted 2/17/2011 09:26 (#1618912 - in reply to #1618554) Subject: Re: cat 3208 fuel shutoff plunger sticking would agree with davpal, had a pump on 3306 rebuilt and flapper would not spring open. The governed rpm of the engine is when these two forces balance. (20. Remove the governor. My 2003 has an MBN I converted to 6NZ. The problem is it won't restart unless I manually move the rack back thru the access port at the front of the pump. The rack is stuck because the plungers are stuck. ipkchnythdpnfqeeiobtywctpqzyqqfwiogxyzorfhtrsnzthqo