Table 3-5. Troubleshooting (Cont)
Test or Inspection
BACKHOE (SEE) (CONT)
During step e, there may be a small amount of hydraulic oil leaking, either drops or a
small stream the diameter of a pencil lead. This is normal. Use drip pan to catch oil.
e. Pull boom control lever and check for leaks from boom cylinder (3).
If there is excessive leakage from boom cylinder, replace boom
cylinder (page 4-658).
If there is not excessive leakage from boom cylinder, notify
direct support maintenance.
125. BUCKET CYLINDER DRIFTS.
Step 1. Check for loose and damaged hydraulic lines.
If hydraulic lines are loose or damaged, tighten loose
connections or replace hydraulic lines (page 4-616).
If hydraulic lines are not loose or damaged, go to step 2.
Step 2. Check for damaged bucket cylinder packing as follows:
a. Start engine. Pull boom control lever inward until bucket is above floor.
b. Pull bucket control lever inward until bucket stops moving.
Push boom control lever outward until bucket is on floor. Stop engine.