TM 55-1520-240-T
8-3.2
ENGINE OIL PRESSURE INDICATING SYSTEM VISUAL CHECK
8-3.2
INITIAL SETUP
References:
Applicable Configurations:
TM 55-1520-240-23
All
Equipment Condition:
Tools:
TM 55-1520-240-23:
Aircraft Mechanic Tool Kit,
Battery Disconnected
NSN 5180-00-323-4692
Electrical Power Off
Materials:
Hydraulic Power Off
None
Upper and Lower Engine Access Doors Open
Personnel Required:
Engine Work Platforms Open
Medium Helicopter Repairer
TASK
RESULT
1.
Check NO. 1 ENGINE OIL PRESS indicator (1).
If indicator (1) is damaged, replace it.
2.
Check NO. 2 ENGINE OIL PRESS Indicator (2).
If indicator (2) is damaged, replace it.
CHECK NO. 2 ENGINE INSTALLATION
3.
Check No. 2 engine oil pressure transmitter (3).
If transmitter (3) is loose or damaged, tighten or replace it.
If oil is leaking from transmitter, tighten connection if loose
or replace it as required. If oil line (4) is leaking oil or is
damaged, tighten or replace it. If connector (5) or wiring is
damaged, replace harness.
CHECK NO. 1 ENGINE INSTALLATION
4.
Check No. 1 engine oil pressure transmitter (3).
If transmitter (3) is loose or damaged, tighten or replace it.
If oil is leaking from transmitter, tighten connection if loose
or replace transmitter. If oil line (4) is leaking oil or is
damaged, tighten or replace it as required. If connector
(5) or wiring is damaged, replace harness.
FOLLOW-ON MAINTENANCE:
TM 55-1520-240-23:
Close upper and lower engine access doors.
Close engine work platforms.
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8-44.2 Change 19
