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
CHECK/
ITEM
MAN-
NOT FULLY MISSION
SERVICE
NO.
INTERVAL
HOURS
PROCEDURE
CAPABLE IF:
c. If transmission oil level is low, add
12
oil (Item 11, 15, 18 or 19, WP 0023
(Con't)
00) through filler opening. Reinstall
fill cap. Do NOT overfill.
d. If differential oil level is low, add
oil (Item 12, 13, or 14, WP 0023 00)
through filler opening. Reinstall fill
cap. Do NOT overfill.
a. Visually check tire for cuts or
Tire has cuts or bulges in
13
Before
Right Front
bulges in tread or sidewall area.
tread or sidewall area or
Wheel and
Check for uneven wear or uninfla-
other damage that would
Tire
tion. Look for foreign material
impair operation.
embedded in tread or sidewall area.
Remove foreign material if found.
b. Check for loose or missing final
Missing final drive nuts, rim
drive nuts, rim lock and valve stem
lock or damaged valve stem
with cap.
are noted.
c. Check for oil leaks from final drive
at wheel end. If leak is evident,
notify Unit Maintenance.
a. Visually check for damage or leaks. Class III leaks are evident.
14
Before
0.1 Hours Hydraulic
Reservoir
b. Perform cold check of hydraulic oil
and Sight
level. Oil must be visible in sight
Gage
gage.
c. If oil is not visible in sight gage,
perform the following steps:
(1) Start engine and move ejector
forward (WP 0005 00).
(2) Ensure bowl is lowered with
slight downward pressure.
(3) Shut down engine.
(4) Add lubricating oil (Item 11 or
15, WP 0023 00) through filler
opening until visible in sight
gage.
d. Ensure that hydraulic reservoir fill
cap is present and secure.
0014 00-8
