PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued.
NOT FULLY MISSION
Cab Exterior Check for damage to side mirror,
handrails, steps and grabhandles.
Engine Com- a. Loosen retainer and open engine
b. Check engine compartment for evi-
Class III oil leaks are evi-
dence of fluid leakage such as oil,
dent. Any coolant leak is
coolant and fuel.
c. Check engine compartment for any
Damage that would impair
of the following conditions. Notify
operation is evident.
Unit Maintenance as needed:
(1) Loose or damaged coolant
(2) Damaged electrical harnesses
(3) Damaged cooling fan or
d. Ensure engine air filter service indi-
cator shows green or yellow and is
not damaged. Service air cleaner if
e. Locate battery cables that are routed
Cable is loose or damaged.
into engine compartment from bat-
tery compartment. Check for loose,
broken, split or frayed battery
a. Check for loose, missing, frayed or
Drive belt is loose, missing
cracked drive belts.
b. Check for loose or damaged drive
Pulley is damaged.