TM5-3820-256-10
3-9. Hydraulic System. Troubleshooting procedures for the hydraulic system are listed in table 3-5.
a. The table lists the common malfunctions that you may find during the operation or maintenance of the hydraulic
system. You should perform the tests/ inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests/inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
Table 3-5.
Troubleshooting the Hydraulic System
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
HYDRAULIC PUMP
Step 1. Check oil level in
Add oil as needed.
NOT DELIVERING
hydraulic tank.
OIL.
Step 2. Check to see if
Stop truck engine, open valve,
hydraulic pump suction line
and restart engine.
is closed.
Step 3. Check for loose
Tighten loose connections.
suction line connections.
2.
HYDRAULIC PUMP
Check for leaks at hydrau-
Tighten loose connections.
DOES NOT DEVE-
lic line connections.
LOP NORMAL
PRESSURE.
3-49
