TM 55-2840-231-23
2-21. Adapter Spur Gearshaft - Inspection
INITIAL SETUP
Applicable Configuration
All
Special Tools
Wrench, Tool No. 6795588
COMPRESSOR/
1. Adapter Spur
Visually inspect the adapter spur gearshaft
Gearshaft
for excessive wear on the 17-tooth gear and
splines. Replace the compressor if excessive
wear is noted.
The runout may be checked using a suitable
Check the runout of the
indicator in a magnetic holder mounted
adapter spur gearshaft.
anywhere on the compressor assembly.
The gearshaft runout
must not exceed 0.003
in. (0.0076 cm) TIR.
2. Nut
Check nut (3) for tight-
ness. The nut should be
tightened to 50-55 in.
lb (0.6 -0.65 kg/m)
plus locknut drag, using
wrench, tool no. 6795588.
Replace nut if locknut
drag is less than 5 in. lb
(0.1 kg/m) in the last
two turns. Recheck
the gearshaft runout. If
not within limits, re-
place the compressor
assembly.
2-76
