TM 55-1520-240-T
15-5.5 ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK (Continued)
15-5.5
TASK
RESULT
6.
Set ENGINE 1 START switch (5) to OFF.
NO. 1 ENGINE gas producer tachometer (6) indica-
tion shall decrease to 0. If tachometer indication
does not decrease or engine continues to motor, go
to task 15-5.7.
MOTOR NO. 2 ENGINE
7.
Set ENGINE 2 START switch (7) to MOTOR.
ENGINE 2 STARTER ON light (4) shall come on. NO.
2 ENGINE gas producer tachometer (8) shall indi-
cate 10 to 15% N1 as starter motors engine. If EN-
GINE 2 STARTER light does not come on, go to
task 4-4.10. If engine does not motor, go to task
15-5.6.
8.
Set ENGINE 2 START switch (7) to OFF.
NO. 2 ENGINE gas producer tachometer (8) indica-
tion shall decrease to 0. If tachometer indication
does not decrease or engine continues to motor, go
to task 15-5.7.
FOLLOW-ON MAINTENANCE:
TM 55-1520-240-23:
Battery disconnected.
Electrical power off.
Hydraulic power off.
END OF TASK
Change 23 15-96.1
