TM 5-3805-248-23-1
UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
0020 00
Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
LOCATION
ITEM TO
ITEM
MAN-
CHECK/
NOT FULLY MISSION
NO.
INTERVAL
HOURS
SERVICE
PROCEDURE
CAPABLE IF:
8
500 Hours
Transmis-
a. Change filter (WP 0129 00).
or Semi-
sion
Annually
b. Clean magnetic strainer (WP 0130
9
500 Hours
a. Disassemble, clean and inspect fuel
or Semi-
filler cap assembly (WP 0034 00).
Annually
b. Clean and inspect magnetic strainer
c. Disassemble, clean and inspect pri-
mary fuel filter assembly (WP 0038
d. Replace secondary filter (WP 0037
10
Semi-Annu-
Air Cleaner
a. Replace or clean elements as neces-
ally
sary (WP 0031 00).
b. Inspect and reset indicator (WP
11
Semi-Annu-
Fuel Injec-
Inspect fuel injection pump line and
ally
tion Lines
fittings for looseness and leaks.
and Fittings
Replace as necessary (WP 0009 00).
WARNING
The cooling system is pressurized. Removal of radiator cap
when machine is at normal operating temperature may
result in personal injury. Wear proper protection.
12
Semi-Annu-
Cooling
Inspect cooling lines, connections,
ally
Lines and
hoses and clamps for looseness, leaks
Fittings
cracks, or wear (WP 0050 00, WP
0020 00-3
