TM 55-1520-240-23-5
6-212.1
REPLACE RIGHT ENGINE TRANSMISSION OIL COOLER BYPASS VALVE
6-212.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Open End Wrench, 1 Inch
Open End Wrench, 1-1/2 Inch
Funnel
Container, 2 Quart
Hose, 1 Inch ID X 36 Inches Long
Materials:
Cloths (E120)
Oil (E254)
Lockwire (E231)
Parts:
Packing
Personnel Required:
Medium Helicopter Repairer
Inspector
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Pylon Hinged Fairing Open (Task 2-2)
DRAIN OIL COOLER
1.
Remove lockwire from drain plug (1).
2.
Remove drain plug (1) and packing (2) from oil
cooler (3). Place funnel under port (4). Drain oil
through funnel into container.
3.
Install plug (1) and packing (2). Lockwire plug to
oil cooler (3). Use lockwire (E231).
6-691