TM 10-3930-641-20
ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (CONT)
(Sheet 11 of 30)
LOCATION
ITEM TO
ITEM
CHECK/
NOT FULLY MISSION
NO.
INTERVAL
MAN-HOURS
SERVICE
PROCEDURE
CAPABLE IF:
WARNING
Improper or misuse of inflation equipment can result in tire blowout or rim failure. Failure to use
inflation equipment properly could cause injury or death to personnel.
15
250 Hours or
Tires
Gage all tires for correct inflation pressure and add
Semiannual
air as required. (See page 2-397.)
Front: 70 psi (480 kPa)
Rear: 40 psi (275 kPa)
16
250 Hours or
Steering Sys-
a. Inspect steering control valve and right and left Class III oil leaks are evident.
Semiannual
tem
neutralizer valves for leaks and damage. (See
page 1-24.) If leaks or damage are evident, notify
Direct Support Maintenance.
b. Inspect steering system hydraulic lines and cylin-
ders for leaks and damage. If leaks or damage are
evident, notify Direct Support Maintenance.
WARNING
Steering system is under hydraulic pressure. Pressure must be relieved before removing hydraulic
tank filler cap. Stop machine on level ground. Apply parking brake and shut down engine. Turn
steering wheel in both directions several times. Failure to relieve pressure as indicated may cause
injury or death to personnel.
c. Perform steering system tests:
(1) Check for air and foreign material in hydrau-
lic oil. (See page 2-417.)
(2) Test steering time. (See page 2-417.)
(3) Test steering slip. (See page 2-417.)
Go on to Sheet 12
Change 2
2-16