TM 9-2350-256-20-1
UNIT MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
SPADE TROUBLESHOOTING PROCEDURE
INITIAL SETUP:
Tools and Special Tools
References
Tool kit, general mechanic's (item 59, WP 0490 00)
WP 0416 00
Troubleshooting Procedure
Spade
Symptom
Spade malfunctioning.
Malfunction
Spade fails to operate.
Do steps 1 thru 6.
Spade operates with difficulty.
Do steps 1 thru 8.
Spade creeps. Do steps 7 and 8.
CORRECTIVE ACTION
NOTE
The spade troubleshooting procedures are performed using the main hydraulic system as a fluid power
source. If spade operates using main hydraulic but not auxiliary hydraulic, troubleshoot auxiliary
hydraulic system. If spade operates using auxiliary hydraulic but not main hydraulic, troubleshoot main
hydraulic system.
1.
Attempt operation of the hoisting boom, hoist winch, and main winch. If hoisting boom, hoist winch,
and main winch do not operate, troubleshoot main hydraulic system and/or auxiliary hydraulic system.
If hoisting boom, hoist winch, and main winch operate go to step 2.
WARNING
Do not attempt to loosen or tighten hydraulic fittings or lines when system is pressurized. Severe injury
or death to personnel may result.
2.
Inspect hydraulic lines and connections for leaks. Replace leaking hydraulic lines and tighten leaking
connections (see WP 0416 00). If leaks persist, notify Direct Support Maintenance. If no leaks persist
go to step 3.
0033 00-1
