TM 10-3930-675-20-2
0050 00-3
Table 1. Preventive Maintenance Checks and Services
(PMCS) for the RT 240 RTCH - Continued.
Item
No.
Interval
Man-
Hours
Item To
Check/
Service
Procedure
Equipment Not Ready/
Available If:
WARNING
•
DO NOT service cooling system unless engine has been allowed
to cool down. This is a pressurized cooling system and escaping
steam or hot coolant will cause serious burns.
•
DO NOT remove cooling system radiator cap when engine is hot.
Allow engine to cool down. Failure to follow this warning may
cause serious burns.
5
Quarterly
(300
Hours)
Engine
Coolant
Filter
a. Replace coolant filter (WP 0068 00).
b. Inspect cooling system for leaks and
damage. If authorized, replace dam-
aged components.
6
Quarterly
(200
Hours)
Front and
Rear
Propeller
Shafts
Lubricate front and rear propeller shafts
(LO 10-3930-675-12).
7
Quarterly
(200
Hours)
Tophandler
Pinion and
Ring Gear
Lubricate pinion and ring gear (LO 10-
3930-675-12).
8
Semi-
annual
(1000
Hours)
Transmission
Oil Filter
Remove and replace transmission oil
filters and oil (WP 0115 00 and LO 10-
3930-675-12).
9
Semi-
annual
Transmission
Vent Hose
Inspect for plugged hose and valve.
Clean if necessary.
10
Semi-
annual
(1000
Hours)
Hydraulic
System Servo
Filter
Replace servo filter and top off hydrau-
lic fluid (WP 0183 00 and LO 10-3930-
675-12).
11
Semi-
annual
(1000
Hours)
Hydraulic
System
Pressure
Filters
Replace pressure filters and top off
hydraulic fluid (WP 0183 00 and LO
10-3930-675-12).
