TM 55-1520-240-23-3
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CHANGE ENGINE OIL FROM MIL-L-23699 OR MIL-L-7808
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INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit, NSN 5180-00-323-4692
Materials:
Lubricating Oil (E253/254/254.1)
Personnel Required:
Medium Helicopter Repairer
Inspector
Army Rotary-Wing Aviator (2)
References:
TM 55-2840-254-23 Without 74
TM 1-2840-265-23 With 74
TM 55-1520-240-10
Task 1-52
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Engine Work Platform Open (Task 2-2)
Engine Access Cover Open (Task 4-49)
Oil (E253/E254/E254.1) is toxic. It can
irritate skin and cause burns. Avoid
inhaing. Use only with adequate
ventilation. Avoid contact with skin,
eyes, or clothing. In case of contact,
immediately flush skin or eyes for
at least 15 minutes. Get medical
attention for eyes.
NOTE
Procedure is same to change engine
oil on No. 1 or No. 2 powerplant.
1.
Drain engine oil (TM 55-2840-254-23 without
74 , TM 1-2840-265-23 with 74 ).
2.
Change engine oil (TM 55-2840-254-23 without
74 , TM 1-2840-265-23 with 74 ).
FOLLOW-ON MAINTENANCE:
Close engine access cover (Task 4-50).
Close engine work platform (Task 2-2).
END OF TASK
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