DRAIN COMBINING TRANSMISSION OIL
Container, 14 Quart (2)
Hose, 1 Inch ID, 36 Inches Long
Medium Helicopter Repairer
Battery Disconnected (Task 1-39)
Electrical Power Off
Pylon Access Doors Open (Task 2-2)
Pylon Lower Fairing Open (Task 2-2)
Combining transmission sump is
divided into three compartments. One
is for the combining transmission.
The other two are for each engine
DRAIN COMBINING TRANSMISSION COMPART-
Combining transmission compartment
holds about 23 quarts of oil.
From inside cabin, connect hose (1) to drain
valve (2). Direct end of hose into container.
Push in drain valve (2), twist it, and pull. Let oil
drain into container.
Push in drain valve (2), twist it, and pull down to
close. Remove hose (1) from valve.