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-
NOT FULLY MISSION
CHECK/
NO.
INTERVAL
HOURS
SERVICE
PROCEDURE
CAPABLE IF:
32
2000 Hours
Hitch Pins
a. Inspect the kingbolt pins (26) and
or Annually
bearings (27) for wear.
26,27
394-1543
b. Inspect the horizontal pivot pins
(28) and bearings (29) for wear.
28,29
(HIDDEN)
394-1544
33
2000 Hours
Seat
Clean seat screen (WP 0214 00).
or Annually
END OF WORK PACKAGE
0020 00-12
