TM 55-1520-240-T
8-2.2
GAS PRODUCER TACHOMETER SYSTEM VISUAL CHECK
8-2.2
INITIAL SETUP
Personnel Required:
Medium Helicopter Repairer
Applicable Configurations:
Aircraft Electrician
All
References:
Tools:
TM 55-1520-240-23
Aircraft Mechanic's Tool Kit,
NSN 5180-00-323-4692
Equipment Condition:
NSN 5180-00-323-4692
TM 55-1520-240-23:
Electrical Repairer's Tool Kit,
Battery Disconnected
Electrical Power Off
Materials:
Hydraulic Power Off
None
No. 1 and No. 2 Engine Upper and Lower Access
Covers Open
No. 1 and No. 2 Engine Work Platforms Open
TASK
RESULT
1. Check NO. 1 ENGINE gas producer tachometer (1).
If tachometer (1) is loose or damaged, tighten it or replace
it.
2. Check NO. 2 ENGINE gas producer tachometer (2).
If tachometer (2) is loose or damaged, tighten it or replace
it.
3. Check No. 2 engine gas producer generator (3).
If tachometer generator (3) is loose or damaged, tighten
or replace it as required.
If electrical connector or harness to tachometer generator
is damaged, replace it.
4. Check No. 1 engine gas producer generator (4).
If tachometer generator (4) is loose or damaged, tighten
or replace it as required.
If electrical connector or harness to tachometer generator
is damaged, replace it.
FOLLOW-ON MAINTENANCE:
TM 55-1520-240-23:
No. 1 and No. 2 engine upper and lower access covers closed.
No. 1 and No. 2 engine work platforms dosed.
END OF TASK
Change 19 8-31
