PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
NOT FULLY MISSION
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 underin-
other damage that would
flation. 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
Class III oil leaks are evi-
at wheel end.
d. Check fender for damage.
· DO NOT smoke or permit any open flame in area of machine
while you are servicing diesel fuel system. Be sure hose nozzle
is grounded against filler tube during refueling to prevent static
electricity. Failure to follow this warning may cause injury to
personnel or equipment damage.
· Operating personnel must wear fuel-resistant gloves when han-
dling fuels. If exposed to fuel, promptly wash exposed skin
and change fuel-soaked clothing.
a. Check for damage or fuel leaks
Class III fuel leaks are evi-
from fuel tank drain valve.