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  1. L

    380-5 komatsu loader

    Anyone know how to troubleshoot the 15SALH service code. Reason is because when you put the shift lever in forward the drive shaft makes a clunk noise then goes away. It dosent do it in reverse just forward. And it dosent do it while traveling just when in forward before any take off. The noise...
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    950g cat loader warning light stays on

    I got that clogged hydro filter light that stays on the display. Changed the filter and the sending unit but it still comes back on? Anyone know of anything else that can set this warning light off? If I remove the wire of the sending unit on the filter housing it doesn't come on. So that tells...
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    450 excavator hitachi EC motor issues

    Have this 450 excavator that am not getting power to the ec motor that controls the fuel. The machine will start manually by moving the throttle cable but not with the ec motor. Seriel is zx450lc I would like to know where the ec motor gets power from? The fuses are all good and the led light is...
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    R25 Euclid dump truck

    What is the wheel nut torque for the front tire on a r25 Euclid.
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    CAT 950G no power

    Have this cat 950g with the HEUI PUMP and the motor has weak power when lifting bucket with a load. The huei pump was replaced and now injectors will be checked out but i was wondering can the torque converter also cause this issue? I am thinking if I should pull the magnetic screen to check?
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    Rear axle nut torque for 1980 chevy c70

    1980 70 series chevy diesel truck wanting to know the rear axle nut torque. This truck has the double nut with the locking washer between the nuts. The nut is 3 1/2 inch. Hope somebody knows I read the inner nut is the preload but not sure.
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    Komatsu 380-5 gets hot

    pressure washed radiator and coolers. Replaced water pump and thermostat. Noticed the water temp gauge and tranny temp gauge get close to the red. Anyone know what else could cause this issue. Can the speed sensor on bell housing cause this? None the lines are plugged even changed out the...
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    769D won’t shift.

    769D won’t shift out of neutral. When you put it in Reverse it wants to go forward and the gauge shows neutral even though the back up alarm goes off. When you shift to 1st it shows neutral on the gauge. Have new shift sensor and transmission sensor. Up and down solenoids good too. Transmission...
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    Cat 3176 low fuel pressure

    I have 40psi at idle but every now and then I hear a click and fuel pressure jumps to about 75 then goes back to 40 right away. I think the click is from the pressure regulator inside the transfer fuel pump. I looked online and read fuel pressure should be at 60psi min to 80 psi all the time. Is...
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    Cat 3176 engine cranks won’t start

    i got a dump truck with the 3176 cat engine that cranks but won’t start. I changed the 2 fuel filters and opened the air bleed plug and the truck then started and ran for about 30 min and shut off. I filled the reservoir tank for the coolant so I know the sensor not shutting engine down. I...
  11. L

    WA 500

    Have a komatsu wa 500 wheel loader getting hydraulic oil into transmission oil. The hydro oil will go down after a couple days and when you open the transmission cap off oil just runs out like it’s why over full. Just wondering if anyone seen this issue. I had a cat dozer do something similar...
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    Ingersol rand 185 pull air compressor shuts down.

    i have this ingersol rand air compressor that runs with the air valve open. But when the air valve is closed to build up air pressure the engine stalls and shuts down. Since the compressor motor runs fine with the air valve open before starting engine I am ruling out the fuel filter and air...
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    WA 380 5L komatsu Parking brake stuck on

    How can you release the parking brake if it is stuck on? The loader will not move and the parking brake light stays on. There is a hose going to the parking brake that it is behind of the tranny drive shaft. Was told brake needs pressure to release it. Can I take the hose of and plug it then put...
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    CAT 769D service code

    Got this 769D with service code 030 0271.05 anyone know what this means? Can’t find it in service Manuel and don’t have the laptop.
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    Man lift JLG 40h timing belt

    I have busted timing belt on JLG 40 H just want to know if this requires a timing of the engine or can I just put it on? Has a Air Diesel Deutz engine. Am going to replace the idler and of course the belt but not sure if the engine needs to be timed.
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    140H cat circle drive

    Replacing the aluminium gear and the worm gear with both bearings and race. when i put these new parts in circle drive can i just put the shims back how they were? or if i wanted to use new shims can i just check the thickness of the old ones with a caliper and get the same thickness with the...
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    Ingersol rand PT 240 R wont go forward or reverse

    Got this pnuematic roller that wont go forward or reverse. It starts up fine but wont move when you put it in gear. When i put it in reverse the backup alarm will not sound so i know its not going into gear because it would before. The parkng brake is releasing also. Anyone seen this problem...
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    769D Cat dump truck

    Does anyone know the wiring schematic for the radio connector plug? i want to install a radio and see the square connector. it looks like i have a red and blue that are hot with key on and the black seems to be ground. the voltage for the 2 hot wires is about 13v for each one seperatly is one of...
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    416 cat backhoe front bucket wont raise with a load

    i have changed the resolver seals beleive only were 3 plugs. is there anymore plugs that can be changed for this problem? read about the seal on the bottom cover of the resolver sections being bad. Everything works fine other than the bucket wont raise with a load it raises empty and the tilt...
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    CAT 769D BED WONT RAISE

    Was working then quit has plenty oil. The lever in the cab feels fine so I think the spring in control valve inside hydraulic tank is good.Also the drive shaft mounted to the flywheel that turns this pump is spinning with machine on. Am reading that the hoist pump sucks oil from the hydraulic...
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