RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
AUXILIARY HYDRAULIC PUMP TROUBLESHOOTING PROCEDURE
Tools and Special Tools
Tool kit, general mechanic's (item 59, WP 0490 00)
WP 0416 00
Auxiliary Hydraulic Pump
Auxiliary hydraulic system malfunctioning.
Main and hoist winches fail to operate.
Do step 1.
Insufficient or no auxiliary system oil pressure.
Do step 1.
Loss of auxiliary hydraulic pressure during operation. Do steps 2 and 3.
Ensure SYSTEM SELECTOR CONTROL lever is in the AUXILIARY or REFUEL position (not
MAIN position) as appropriate. If problem persists, go to step 2.
Ensure APU emergency winch control valve lever is in the AUXILIARY POWER UNIT OPERATION
(open) position. If problem persists, go to step 3.
Ensure power control lever is in the OFF position. If problem persists, go to step 4.
Do not attempt to loosen or tighten hydraulic fittings or lines when system is pressurized. Severe injury
or death to personnel may result.
Inspect all hydraulic hoses and connections for visible indication of leaks or damage. Replace hydraulic
hoses and tighten fittings as necessary (see WP 0416 00). If problem persists, notify Direct Support
END OF WORK PACKAGE
0038 00-1/2 blank