Table 1. Preventive Maintenance Checks and
Services (PMCS) for 613CS Scraper - Continued.
NOT FULLY MISSION
a. Check service brakes for pulling, a. Brakes pull, grab or
grabbing or reduced braking capac-
exhibit unsafe operation.
b. Check parking brake operation with b. Parking brake will not
engine idling and transmission in
Check for smooth, controlled steering Steering is erratic. Any play
without pulling or drifting.
is evident at hitch linkage.
Monitor tractor operation for unusual
noise or vibrations from engine, trans-
mission, drive shafts, axles, and
Monitor bowl operations for unusual
noise or vibrations from elevator, ejec-
tor, retracting floor of bowl, and bowl
Be alert for evidence of fluid leakage.
Class III oil or hydraulic
fluid leaks are evident. Any
coolant, brake fluid or fuel
leaks are evident.
With machine fully warmed up, moni- EMS panel or gages indicate
tor EMS indicators, warning lights, an abnormal reading.
and readings on gages.
(1) Engine coolant temperature
range should be 165F-210F
(2) Torque converter oil tempera-
ture range should be 165F-
(3) Air system operating pressure
range is 125 +/- 10 psi (862 +/-