PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
NOT FULLY MISSION
c. If transmission oil level is low, add
oil (Item 11, 15, 18 or 19, WP 0023
00) through filler opening. Reinstall
fill cap. Do NOT overfill.
d. If differential oil level is low, add
through filler opening. Reinstall fill
cap. Do NOT overfill.
a. Visually check tire for cuts or
Tire has cuts or bulges in
bulges in tread or sidewall area.
tread or sidewall area or
Check for uneven wear or uninfla-
other damage that would
tion. Look for foreign material
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
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.
0.1 Hours Hydraulic
b. Perform cold check of hydraulic oil
level. Oil must be visible in sight
c. If oil is not visible in sight gage,
perform the following steps:
(1) Start engine and move ejector
(2) Ensure bowl is lowered with
slight downward pressure.
(3) Shut down engine.
(4) Add lubricating oil (Item 11 or
opening until visible in sight
d. Ensure that hydraulic reservoir fill
cap is present and secure.