Rolls-Royce Remote Oil Filler Valve Bulletin - Code7700

E. Remove the breather tube (79-11-01, 03-170) that is installed between the oiltank emergency fill adapter (79-11-01, 03-180) and the ROFV (79-11-01, 03-100)(Refer to Figure 1)(1) Cut and remove the safety cable or the lockwire from the two union nuts(1) and (2) of the breather tube (79-11-01, 03-170).(2) Disconnect the union nut (1) that attaches the breather tube (79-11-01,03-170) to the ROFV (79-11-01, 03-100).(3) Disconnect the union nut (2) that attaches the breather tube (79-11-01,03-170) to the oil tank emergency fill adapter (79-11-01, 03-180).(4) Remove the breather tube (79-11-01, 03-170) from the engine.Printed in Great Britain(5) Install protective covers, blanks or caps on the openings of the breathertube (79-11-01, 03-170) and the oil tank emergency fill adapter (79-11-01,03-180).F. Remove the old ROFV (79-11-01, 03-100), P/N 237-0263-02 that is installed onthe mounting adapter at the rear face of the oil tank (Refer to Figure 1)(1) Put a clean oil resistant container in position below the ROFV (79-11-01,03-100) to catch the drained oil.(2) Disconnect the union nut (3) that attaches the pressure fill tube (4) tothe ROFV (79-11-01, 03-100).(3) Disconnect the union nut (5) that attaches the overflow tube (6) to theROFV (79-11-01, 03-100).(4) Remove the four bolts (79-11-01, 03-102) and the four washers (79-11-01,03-104) that attach the ROFV (79-11-01, 03-100) to the mounting adapter.(5) Remove the old ROFV (79-11-01, 03-100), P/N 237-0263-02 together with theused seal ring (79-11-01, 03-095), P/N AS43013-218 from the mountingadapter.(6) Move the container with the drained oil away from the engine and discardthe drained oil.Jul.14/06Jul.14/06TAY−79−1698Page 8