TM 5-2420-230-10
Table 3-4. Troubleshooting Table. (Continued)
Malfunction
Test or Inspection
Corrective Action
15.
HYDRAULIC OIL OVERHEATS OR FOAMS.
Step 1.
Check hydraulic oil level (1).
Step 2.
Check 2-in. supply lines (2).
If supply lines (2) are loose or collapsed, tighten them.
If supply lines (2) are faulty, notify Unit maintenance.
Step 3.
Check oil cooler (3) for visible obstructions.
Clear any foreign material from oil cooler (3).
Step 4.
Check to ensure hydraulic fan is operating.
If hydraulic fan is not operating, notify Unit maintenance.
Step 5.
Reduce operating load.
If oil still overheats or foams, notify Unit maintenance.