TM 5-1730-245-14
SECTION V. UNIT TROUBLESHOOTING
4.13 INTRODUCTION . This section provides information useful in the diagnosis and correction of problems or
failures that may be encountered in the operation of the hydraulic power supply. Troubleshooting is performed
whenever the hydraulic power supply is not functioning properly. Failures and malfunctions may often be
traced to relatively simple causes. Table 4-4 is a trouble analysis chart for the operator of the hydraulic power
supply. The chart contains a listing of the troubles that might be encountered, the probable cause of the trouble
and action that may be taken to correct the condition.
4.14 TROUBLESHOOTING CHART . Refer to table 4-4.
4.14.1 Table 4-4 lists common malfunctions that you may find with the hydraulic power supply. Perform the
tests, inspections and corrective actions in the order they appear in the table. This table cannot list all the
malfunctions that may occur, all the tests and inspections needed to find the fault, or all the corrective actions
needed to correct the fault. If the equipment malfunction is not listed or actions listed do not correct the fault,
notify your supervisor, or next level of maintenance For quick access to troubleshooting procedures, refer to
Table 4-3, Malfunction Index.
TABLE 4-3. Malfunction Index.
MALFUNCTION
PAGE
1.
Engine Won't Crank ................................ ................................ ................................ .................
2.
Engine Cranks But Won't Start................................ ................................ ................................ .
3.
Stops Under Load................................ ................................ ................................ .....................
4.
Fails to Deliver Full Power................................ ................................ ................................ ........
5.
Low Hydraulic Pressure ................................. ................................ ................................ ..........
6.
Engine Stops When Override Switch Is Released............................... ................................ .....
.
7.
Engine Overheats................................ ................................ ................................ .....................
8.
Black Smoke From Exhaust ................................ ................................ ................................ ....
4-10