Robinsons R66 - 12-60 Engine Oil Servicing

Page 12.16 Chapter 12 Servicing R66 Maintenance Manual SEP 2012
12-60 Engine Oil Servicing
Refer to R66 Illustrated Parts Catalog (IPC) Figures 79-5 and 79-7.
A. Draining Fluid
1. Run-up helicopter two to five minutes at 60-70% RPM per R66 Pilot's Operating
Handbook (POH) Section 4 to warm engine oil, as required.
2. Remove engine cowling per Section 53-21.
3. Place a suitable drain container below B289-2 bolt in bend of F723-1 line assembly, and
below AS5169D04 (drain) fitting in F649-1 oil cooler assembly.
4. Remove line assembly bolt and oil cooler assembly (drain) fitting and drain oil.
5. Service the engine oil system per RR300 Series Operation and Maintenance Manual
(OMM).
B. Adding Fluid
NOTE
Do not contaminate engine oil. Service engine oil system with
clean fluid from sealed containers, using clean tools.
NOTE
When servicing airframe oil tank, full oil quantity is six quarts;
minimum quantity for takeoff is four quarts.
Six quart indication is top of knurled section of dipstick. Four
quart indication is bottom of knurled section of dipstick or center
of oil tank sight gage.
1. Install B289-2 bolt in bend of F723-1 line assembly and special torque per Section 20-
33.
2. Install AS5169D04 (drain) fitting in F649-1 oil cooler assembly and special torque per
Section 20-33.
3. Install engine cowling per Section 53-21.
4. Open access door, remove dipstick, and service airframe oil tank using approved turbine
engine oil per R66 Pilot's Operating Handbook (POH) Section 8.
5. Install dipstick and close access door.
6. Perform engine test per RR300 Series Operation and Maintenance Manual (OMM) as
required.