TM 10-3930-641-20
ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (CONT)
(Sheet 27 of 30)
LOCATION
ITEM TO
ITEM
CHECK/
NOT FULLY MISSION
NO.
INTERVAL
MAN-HOURS
PROCEDURE
CAPABLE IF:
SERVICE
WARNING
43
2,000 Hours or 1.0 Hours
Hydraulic Sys-
Annual
tem
Hydraulic system is under pressure. Pressure must be relieved before loosening any hydraulic
system line. Stop machine on level ground. Apply parking brake and shut down engine. Cycle all
hydraulic control levers through all positions. Failure to relieve pressure as indicated may cause
injury or death to personnel.
a. Park machine on level ground, with parking
brake applied, transmission in N (Neutral), con-
tainer handler forks lowered to the ground,
engine shut down, and wheels blocked. Relieve
hydraulic system pressure by moving all hydrau-
lic controls through all positions.
b. Unlock and raise floor plate.
c. Slowly remove filler cap. Inspect cap gasket and
replace if damaged.
WARNING
Solvent cleaning compound MIL-PRF-680 Type III is an environmentally compliant and low
toxic material. However, it may be irritating to the eyes and skin. Use protective gloves and gog-
gles. Use in well-ventilated areas. Keep away from open flames and other sources of ignition.
Failure to follow this warning may cause injury or death to personnel.
d. Remove retaining ring and filler screen from
hydraulic tank. Wash screen in clean solvent
cleaning compound (Item 17, Appendix C).
Go on to Sheet 28
Change 2
2-24.8