7-32. CLEANING ENGINE OIL FILTERS
Refer to Rolls Royce Operation and Maintenance Manual,
Publication No. 10W2.
7-33. CLEANING ENGINE COMPRESSOR
Water rinse cleaning of engine compressor is accomplished by a
water wash method.
Clean engine compressor according to Rolls Royce Operation and
Maintenance Manual, Publication No. 10W2.
To be performed by qualified maintenance personnel.
7-34. CLEANING PLENUM CHAMBER SCREEN
Remove plenum chamber screen.
Clean screen with soft brush to remove dirt accumulations.
Immerse screen in solution of detergent and allow to soak
approximately 15 minutes. Flush out with clean water. Allow screen
to drain and air dry thoroughly.
Install plenum chamber screen.
7-35. FLUID LEAK ANALYSIS
Main or Tail Rotor Transmission - Oil Leak:
Oil leakage, seepage or capillary wetting at oil seals or assembly
joint lines of main or tail rotor transmission is permissible if leakage
rate does not exceed two cc per hour (one drop per minute).
An acceptable alternate rate of leakage from either transmission is if
oil level does not exceed a loss from FULL to ADD mark on sight
gauge/dip stick within 25 flight hours. (Repair leaks according to
HMI instructions.)
Handling, Servicing & Maint.
Pilot's Flight Manual
Schweizer RSG, LLC.
Model
269D
Helicopter
7-38
Reissued:
16
Jan 2019
Book 3.indd 200
8/4/19 1:25 PM
