Figure 5-77. Removing fan drive control valve-engines with fan control valve.

Remove

valve has since b e e n eliminated and. on those

1. Cut locking wire and remove three cap screws (A) and

e n g i n e s s o e q u i p p e d , a cover plate is used to

flat washers attaching fan drive control valve (C) to

cover the valve oil passages and will be installed

rear fan drive housing. Discard cap screws.

during engine overhaul. The fan tower has been

2. Loosen cap screw (B) until screw is free of threads.

redesigned to eliminate the valve mounting

3. Remove and discard control valve (C) and cap screw

(B).

surface and the need for the cover plate.

4. Remove brass gasket (D). Remove and discard

mounting gasket.

1. Install new mounting gasket, brass gasket (D), and

Install

cover. Secure cover with four cap screws, flat washers,

and locking wire.

Note.

A limited number of engines were

equipped with a fan control valve. The need for a

Figure 5-77. Removing fan drive control

valve-engines with fan control valve.

5-46