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303.5

  1. TomWei

    seat cushion 303.5

    cat wants 454 for both. is there a place that makes for cat? attached in back instead of bottom at this point im going salvage these
  2. TomWei

    removing hydraulic bolts under pump

    im replacing mounts and cant get the last line off to lift this side of the engine? i did take the first 2 bolts off with impact wrench, but put them back when i couldnt get the third off. its a tight fit with pipe and 4th bolt is by hand picked up s wrench yesterday and sprayed down with wd40...
  3. TomWei

    303.5 switch above wiper, any ideas?

    its a afw 303.5 ive tried to reach wiring diagram but cant figure this out any ideas?
  4. TomWei

    alternator 303.5 bolt hole

    the tension bracket broke on the alternator. when i pulled alt the bolt hole was 1.5 normal size. the bottom bracket holes are 2-2.5x size hole should be. backets are coming in from australia but can i shim the alt or do i need a new one? alt is 85 brackets were 400. guess i could keep as...
  5. TomWei

    cat 303.5 foot pedal sticks

    The right pedal its pretty stuck, it controls arm L and R Im trying to disconnect linkage at manifold to make sure its valve, but what are the options. its the first in the bank (blue pliers) towards engine. black pliers is left pedal, for attachment, but its also thicker hose if the valve is...
  6. S

    CAT 303.5CR shuts down with movement

    We have a CAT 303.5D CR that had air in the fuel, after fixing that issue the machine will start and run normally but once it is put into any motion, including boom, the engine will stop. Any ideas or suggestions are greatly appreciated, thanks y'all.
  7. A

    Cat 303.5e sticky hydraulics

    Hey got a cat 303.5e mini excavator when using a function such as boom bucket or stick it stops and I have to release the joystick then pull back and it starts again, the functions also slow down when this happens, this same problem also occurs while tracking and you have to release the lever...
    • Aaron.ampcon
    • Thread
    • 303.5 303c cat 303cr cat excavator cat mini excavator caterpillar caterpillar excavator hydraulic problems mini excavator pilot controls
    • Replies: 157
    • Forum: Excavators
  8. G

    Cat 303.5 blowing fuse on startup

    I own a 2000 Cat 303.5. S/N afwoo288 and am wondering if anyone has fuse box diagram that they’d be willing to send me. My machine keeps blowing a 10amp fuse when attempting to start and I’d like to be able to attempt to retrace the possible wiring short but have no idea what direction I’m...
  9. M

    303.5 glow plug operation?

    2008 303.5 glow plugs. What's makes them Not work. The light comes on when the key is first turned like a test for all the dash. But it doesn't stay on and cycle the glow plugs. Starts slow.
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