PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
Table 1. Preventive Maintenance Checks and
Services (PMCS) for RTCH-RT 240 - Continued.
NOT FULLY MISSION
a. With RTCH fully warmed up, monitor ECS display screen indicates an
indicators and warning lights on ECS abnormal reading.
display screen. Check that engine oil
pressure and temperature transmission
hydraulic, and coolant temperatures reg-
ister within normal ranges:
Engine oil pressure--15 to 35 psi
(103 to 241 kPa)
Engine oil temperature--195 to
240F (91 to 116C)
Transmission temperature--175 to
220F (79 to 104C)
Hydraulic oil temperature--below
Coolant temperature--175 to 210F
(79 to 99C)
c. Monitor all boom lifting and tophandler Loss of ECS display functions
functions on the ECS display screens.
a. Check service brakes for pulling, grab- Brakes pull, grab, or exhibit
bing, or reduced braking ability.
b. Check parking brake operation with Parking brake will not hold
engine idling and transmission in high RTCH.
a. Check for smooth, controlled steering Steering is erratic or will not
change modes of operation.
without pulling or drifting.
b. Check 2-wheel, 4-wheel, and crab steer-
Check for unusual noise or vibration from
engine, transmission, drive shafts, axles,
Be alert for evidence of fluid leakage.
a. Class III oil, coolant, or
hydraulic leaks are evident.
b. Any fuel leaks are evident.