COOLING FANS, VANES, FAN HOUSINGS, AND SEALS REPLACEMENT
Front and rear fan tower seal
replacement procedures are
Do not attempt to pry seal housing
from fan tower: both the seal
housing and fan tower are made of
aluminum and are easily damaged.
6. Remove seal housing (18) from fan
a. Remove six screws (20) with flat
washers (21) securing seal housing (18).
b. Install two mechanical pullers (item 77)
in threaded holes (A) of seal housing.
Alternately tighten pullers to remove seal
c. Remove and discard gasket (22).
d. Remove seal (23) from oil seal
housing (18). Discard seal.
All parts must be inspected with care. Replace parts if damage or wear exceeds allowable limits.
1. See WP 0028 for Standard Inspection Procedures.
1. Install new seal (23) in seal housing (18).
a. Install seal (23) (item 191, WP 0175) in housing (18) with lip of seal towards bottom of
housing and felt towards top.
2. Install seal housing (18) on fan tower (19).
a. Assuring that mating surfaces are clean, place new gasket (22) (item 257, WP 0175) on fan
b. Install oil seal housing (18).
c. Secure with six screws (20) and flat washers (21).
WP 0054 00-3