CHAPTER 5: MAINTENANCE OF ENGINE COOLING SYSTEM
TM 9-2350-256-20
5 5 REPLACE/REPAIR ENGINE COOLING FAN VERTICAL SHAFT OIL SEALS-Continued
5
Remove gasket (7) from fan drive housing cover
(5).
6
Clean fan drive housing cover (5), removing dried
adhesive.
b. DISASSEMBLY
Drive or press oil seal (8) from oil seal housing (9).
c. ASSEMBLY
CAUTION
Use care to prevent sealing compound
from contacting felt.
1
Coat flange face of new oil seal (8) with sealing
compound.
2
Position new oil seal (8) in oil seal housing (9) with
lip of seal toward flange surface of housing.
3
Press new oil seal (8) in oil seal housing (9) until
seal seats against housing flange.
4
Remove excess sealing compound.
d.
INSTALLATION
1
Install new gasket (7) in fan drive housing cover
(5).
2
Install oil seal housing assembly (4) in fan drive
housing cover (5) using six flat washers (3) and six
screws (2).
3
Install cooling fan (see paragraph 5-2) and operate
engine (refer to TM 9-2350-256-10) for a short
period. Stop engine, remove cooling fan, and
check for oil leaks around seal.
4
Install new lockwire (1) through screws (2).
NOTE
Follow-on maintenance:
Install cooling fans
(see paragraph 5-2)
5
8