TM 1-1740-221-13&P&P
FIELD MAINTENANCE
GLOW PLUGS
INITIAL SETUP:
Test Equipment
References
Multimeter (WP 0157, Item 14)
Tools and Special Tools
Equipment Condition
General Mechanic Tool Box (WP 0157, Item 8)
Torque wrench, 0-25 ft-lb (WP 0157, Item 2)
Engine Shut Down and Cool
Personnel Required
91B, Light Wheel Vehicle Mechanic
TEST/INSPECTION
NOTE
Visually inspect glow plug wiring for broken insulation and terminal damage. Inspect glow plug
for security of mounting. Glow plug may be tested while in the engine glow plug mount or
removed.
1.
If removed ohms check glow plug as illustrated in Figure 1.
NOTE
If testing while installed, isolate by removing glow plug wire and rail.
2.
If installed in engine, test from glow plug terminal to ground.
3.
Resistance should read 1.0 ohm nominally.
4.
Replace any glow plug(s) that are out of speciication.
WP0034F1
Figure 1.
Glow Plug
END OF TASK
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