TM 55-1520-240-23-5
6-147
REPLACE AFT TRANSMISSION OIL COOLER FAN DUCT
6-147
INITIAL SETUP
Applicable Configurations:
All
Tools:
Workstand
Materials:
None
Personnel Required:
Medium Helicopter Repairer
References:
TM 55-1520-240-23P
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Cargo Ramp Open and Level (Task 2-2)
Baffles Under Aft Transmission Open (Task 2-2)
Aft Transmission Drip Pan Removed (Task 2-3)
Aft Transmission Oil Cooler Fan Removed (Task
6-141)
REMOVE DUCT
1.
Pull duct (1) out of seal (2) at bulkhead (3).
Remove duct.
INSTALL DUCT
2.
Install duct (1), flared end forward, into seal (2)
until flared end is against seal.
FOLLOW-ON MAINTENANCE:
Install oil cooler fan (Task 6-144).
Install aft transmission drip tray (Task 2-3).
Close baffles under aft transmission (Task 2-2).
Close cargo ramp (Task 2-2).
END OF TASK
6-524
