TM 9-2350-256-20-1
UNIT MAINTENANCE
RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1
NSN 2350-00-122-6826, EIC AQA
MAIN HYDRAULIC SYSTEM TROUBLESHOOTING PROCEDURE
INITIAL SETUP:
Tools and Special Tools
References
Tool kit, general mechanic's (item 59, WP 0490 00)
Kit assembly, gage, pressure (item 31, WP 0490 00)
WP 0296 00
WP 0342 00
Materials/Parts
WP 0418 00
Compound, cleaning (item 9, WP 0489 00)
Troubleshooting Procedure
Main Hydraulic System
Symptom
Main hydraulic system malfunctioning.
Malfunction
Insufficient or no main system oil pressure. Do steps 1 thru 5.
Loss of main hydraulic pressure during operation. Do steps 1 thru 7.
CORRECTIVE ACTION
1.
Remove hydraulic line intermediate rear right center floor plate (see WP 0296 00). Remove eight
socket head screws. Remove hydraulic oil filter cover and oil filter element (see WP 0418 00).
WARNING
Solvents can burn easily, can give off harmful vapors, and are harmful to skin and clothing. To avoid
injury or death, keep away from open flame and use in a well-ventilated area. If solvent gets on skin or
clothing, wash immediately with soap and water.
WARNING
Particles blown by compressed air can be dangerous. Be certain to direct airstream away from user and
other personnel in the area. Compressed air used for cleaning purposes will not exceed 30 psi. Use only
with effective chip-guarding and personnel protective equipment (goggles/shield and gloves).
Clean hydraulic oil filter element with cleaning compound (item 9, WP 0489 00) and dry with com-
pressed air. Install filter element and cover and go to step 2.
0034 00-1
