TM 55-2840-251-23
7-1 GLOW PLUGS (Continued)
7-1-1 REMOVAL
Remove glow plug and gasket from gas generator case.
7-1-2 CLEANING
1.
Brush off carbon with a soft nylon brush or
equivalent.
2.
Blow element with a jet of low pressure, filtered dry
air.
7-1-3 INSPECTION
1.
Check for fused areas on firing end, which shall not
exceed one area of 1/8 inch x 1/32 inch. The presence of
a larger area or more than one area shall be cause for
rejection.
2.
Check for damaged threads, which may be cleaned
up with a 0.5625-18 UNF chaser.
7-1-4 TESTING
1.
Place test set switch SW1 to position 3.
2.
Adjust rheostat VR1 to show 19.5 ±
0.5 volts at the
voltmeter M1.
3.
Place test set switch SW1 to OFF.
4.
Screw glow plug into test set SKT1.
5.
Connect test set LEAD 2 to glow plug.
6.
Place test set switch SW1 to position 3.
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7-4
