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TM 9-2815-220-24
GENERATOR (650 AMPERE) DRIVE GEAR TEST
0039 00
TEST METHOD TWO: BENCH TEST (Continued)
BENCH TEST
NOTE
A 300 foot-pound (406 Nm) capacity torque wrench is required for
the bench test.
1. Align pointer (A) with degree indicator marks (B) on coupling tool (1).
2. Check drive gear deflection/slippage.
a. While watching indicator on the generator coupling tool (1), gradually increase torque to
167 foot-pounds (227 Nm).
b. Check deflection by observing degrees indicated on coupling tool at 167 foot-pounds
(227 Nm) torque. Reading must be between 8 and 17 degrees. If not, coupling is faulty
and must be replaced.
c. Check slippage by removing torque and reading indicator. If indicator returns to zero,
slippage has not occurred and coupling is good. If indicator does not return to zero,
coupling has slipped at too low a torque value and must be replaced.
1
B
A
WP 0039 00-5

 


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