TM 55-1520-240-23-7
8-8
TEST GAS PRODUCER TACHOMETER INDICATOR
(Continued)
8-8
1.
Connect indicator (1) to test setup (TM
11-6625-673-15-1).
2.
Turn on power supply (2).
3.
Adjust tester (3) and check indicator (1) at each
of the following settings. Tester shall read as
follows: (TM 11-6625-673-15-1).
NO BREAK - WORK HARDER
INDICATOR
READING
(PERCENT
RPM)
TESTER RPM X1
INDICATOR
0
0
10
418 to 422
25
1044 to 1056
50
2083 to 2117
75
3134 to 3166
100
4179 to 4221
110
4597 to 4643
4.
Repeat step 3 in reverse order.
INSPECT
5.
Shutdown power supply (2).
6.
Disconnect indicator (1) from test setup.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
8-29
