TM 55-1520-240-T
6-1.2
TRANSMISSION LUBRICATION SYSTEMS VISUAL CHECK
6-1.2
INITIAL SETUP
Equipment Condition:
TM 55-1520-240-23
Applicable Configurations:
Battery Disconnected
All
Electrical Power Off
Tools:
Hydraulic Power Off
Aircraft Mechanic's Tool Kit,
Left and Right Forward Work Platforms Open
NSN 5180-00-323-4692
Forward Drip Pan Removed
Materials:
Aft Transmission Baffles Open
None
Pylon Hinged Fairing Open
Personnel Required:
Pylon Lower Fairing Open
67U10 Medium Helicopter Repairer
Engine Air Inlet Screens Removed
Engine Transmission Fairings Removed
References:
Cargo Ramp Open and Level (Task 7-3.3)
TM 55-1520-240-23
TASK
RESULT
CHECK FORWARD TRANSMISSION LUBRICATION SYSTEM
1.
Check oil level sight gage (1).
If oil level is low, service transmission. Refer to
TM 55-1520-240-23.
2.
Check oil filter indicating button (2).
If button (2) is extended, replace filter element
and inspect removed element for debris. Refer to
TM 55-1520-240-23.
3.
Check bottom of forward transmission for oil
If any oil leaks are found, investigate source.
leaks.
Tighten or replace leaking part as required.
4.
Check inside and outside of cooler (3).
If cooler is clogged, clean or replace it as re-
quired. If leaks are found, replace cooler.
5.
Check top of forward transmission for oil
If any oil leaks are found, investigate source.
leaks.
Tighten or replace leaking part as required.
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6-6 Change 2
