After draining oil, ensure that both drain valves are clo sed and
secure.
Refer to Rolls Royce Operation and Maintenance Manual,
Publication No. 10W2, for instructions to drain oil from engine.
7-20. FILLING - ENGINE OIL SYSTEM
Check oil level using sight gauge on engine oil tank.
Remove filler port cap and replenish with correct oil type until oil
level is at FULL on sight gauge.
Ensure that filler port cap is securely tightened immediately after
servicing.
7-21. DRAINING - MAIN TRANSMISSION
Cut lockwire and remove magnetic drain/chip detector and
self-closing valve. Allow sufficient time for oil to drain from sump.
If damaged, replace O-rings used with magnetic drain/chip detector
and valve.
Reinstall magnetic drain/chip detector and self-closing valve in oil
sump; lockwire in place.
7-22. FILLING - MAIN TRANSMISSION
(Access is thru R.H. main access door.)
Transmission (gearbox) oil should be replenished when low.
Depress button and withdraw dipstick from transmission.
Visually check oil level on dipstick. Maintain oil level between
LOW and FULL graduations on dipstick.
Cut lockwire and open filler port cap and add required quantity of
oil.
Wipe dipstick clean and recheck oil level.
Handling, Servicing & Maint.
Schweizer RSG, LLC.
Model 269D Helicopter
Pilot's Flight Manual
7-31
Reissued: 16 Jan 2019
Book 3.indd 193 8/4/19 1:25 PM
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