Heavy Equipment Forums Heavy Equipment Community

Caterpillar 277c tilt problem

truecountry ยท 2015-03-25 19:59

I just finished packing both tilt cylinders because I thought the packing was bad due to drifting or leaking down bad while running Well its still leaking down or drifting Swapped the 3 relief valves around on control that are aux ,tilt and lift still leaking down drifting Noticed a code for right joystick not sure how to test it or if its even linked Any advice? Vin I think is ejw00391

Replies1
  1. #1mikebramel2015-03-25 23:27

    Depending on how the circuit is set the cylinders can only drift so much before the internal pressure will equalize. I would dead head the hoses going to the cylinders. You may have pressure leaking into the circuit, scored spool, valve not centering correctly, etc