TM 55-1520-240-23-5
6-187
REMOVE COMBINING TRANSMISSION OIL COOLER
6-187
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Wrench, 1 Inch
Open-End Wrench, 1-1/2 Inch
Container, 2 Quart
Hose, 1 Inch ID, 36 Inches Long
Funnel
Materials:
Cloth, Cleaning (E120)
Paper Tags (E264)
Personnel Required:
CH-47 Helicopter Repairer
Parts:
Packings (3)
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Pylon Hinged Fairing Open (Task 2-2)
Oil Cooler Fan and Shaft Removed (Task 6-182)
1.
Drain oil cooler (1) as follows:
a.
Remove lockwire from drain plug (2).
b.
Remove drain plug (2) and packing (3). Hold
funnel under port (4). Drain oil through hose
into container. Remove hose and funnel.
c.
Install drain plug (2) and packing (3).
2.
Repeat steps 1a thru 1c for oil coolers (5 and 6).
6-616
Change 1
