TM 9-2350-256-20-1
UNIT MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
DRIVER'S CONTROLS TROUBLESHOOTING PROCEDURE
INITIAL SETUP:
Tools and Special Tools
References (cont.)
Tool kit, general mechanic's (item 59, WP 0490 00)
Personnel Required
WP 0265 00
Mechanics (2)
WP 0342 00
References
WP 0358 00
WP 0363 00
WP 0365 00
WP 0483 00
TM 9-2350-256-10
Troubleshooting Procedure
Driver's Controls
Symptom
Driver's controls malfunctioning.
Malfunction
Vehicle will not steer in either direction.
Do step 1.
Vehicle will steer in only one direction.
Do step 1.
Depressing brake pedal will not stop vehicle effectively.
Do step 2.
Brakes dragging at one or both sides of vehicle.
Do steps 3 and 4.
Engine does not respond properly to throttle controls.
Do step 5.
No back pressure, or insufficient pressure, when operating purge pump. Do steps 6 thru 9.
Excessive back pressure when operating purge pump. Do steps 10 thru 13.
CORRECTIVE ACTION
NOTE
Check vehicle maintenance record for proper lubrication of steering, brake, and throttle linkages. If
proper lubrication maintenance has been performed (refer to TM 9-2350-256-10), perform the following
procedures.
1.
Open left rear exhaust deflector door and transmission access door. While an assistant moves steering
wheel from full-right to full-left turn, observe movement of transmission steer lever on steer valve body
of transmission. If transmission steer arm does not move, check linkage and repair/replace broken or
missing parts. If transmission steer linkage does not move, check steer linkage adjustment (see WP
0027 00-1
