TM 10-3930-641-20
ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (CONT)
(Sheet 14 of 30)
LOCATION
ITEM TO
ITEM
CHECK/
NOT FULLY MISSION
NO.
INTERVAL
MAN-HOURS
PROCEDURE
CAPABLE IF:
SERVICE
WARNING
23
500 Hours or
Fuel Tank
Semiannual
DO NOT perform fuel system checks, inspections, or maintenance while smoking or near fire, flames, or
sparks. Fuel may ignite, causing injury or death to personnel or damage to machine.
Personnel must wear fuel-resistant gloves when handling fuels. If exposed to fuel, promptly wash
exposed skin and change fuel-soaked clothing.
a. Remove, disassemble, clean, assemble, and
install fuel tank filler cap and screen. (See page
2-195.)
b. Drain water and sediment from fuel tank. (See
page 2-193.)
24
500 Hours or
Coolant Filter
Replace coolant filter. (See page 2-244.)
Semiannual
25
500 Hours or
0.3 Hours
Transmission
Replace transmission oil filter element. (See page 2-
Semiannual
Oil Filter
402.)
WARNING
26
500 Hours or
0.5 Hours
Hydraulic Sys-
Semiannual
tem and Brake
Hydraulic system is under pressure. Pressure must be relieved before loosening any hydraulic
Hydraulic Sys-
system line. Stop machine on level ground. Apply parking brake and shut down engine. Cycle all
tem Filters
hydraulic control levers through all positions. Failure to relieve pressure as indicated may cause
injury or death to personnel.
a. Replace two hydraulic tank filter elements. (See
page 2-487.)
b. Replace brake hydraulic system filter element.
(See page 2-490.)
Go on to Sheet 15
Change 2
2-19