TM 5-3805-248-10
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
0014 00
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
LOCATION
ITEM TO
ITEM
MAN-
NOT FULLY MISSION
CHECK/
SERVICE
NO.
INTERVAL
HOURS
PROCEDURE
CAPABLE IF:
a. Visually check tire for cuts or
Tire has cuts or bulges in
9
Before
Left Rear
bulges in tread or sidewall area.
tread or sidewall area or
Wheel and
Check for uneven wear or underin-
other damage that would
Tire
flation. Look for foreign material
impair operation.
embedded in tread or sidewall area.
Remove foreign material if found.
b. Check for loose or missing wheel
Missing wheel hub cap bolts
hub cap bolts and valve stem with
or damaged valve stem is
cap.
noted.
WHEEL
HUB CAP
BOLTS
VALVE STEM
AND CAP
394-179
REAR AND
RIGHT
SIDE
Overall View a. Check under rear of scraper for evi- Damage or leaks in air brake
10
Before
dence of leakage or damage to air
system that would impair
tank, lines or hoses.
operation is evident.
b. Check rear of scraper for obvious
Damage that would impair
damage that would impair opera-
operation is evident.
tion.
c. Visually check for damaged or
missing rear light assemblies.
0014 00-6
