TM 9-6115-664-13&P
4-57. OIL HEAT GLOW PLUG MAINTENANCE
This task covers removal, inspection, and installation
INITIAL SETUP
Tools:
Equipment Condition:
Shop Equipment, Automotive Maintenance
APU Shut Down
and Repair (Item 1, App. B)
NATO Plug Disconnected
A.
REMOVAL.
1.
Open top front cover on APU enclosure by turning
latches.
2.
Disconnect electrical wire (1, Figure 4-47) from glow
plug (5) by removing nut (2), lockwasher (3), and
washer (4).
3.
Unscrew glow plug (5) from engine block. Remove
washer (6).
B.
INSPECTION.
1.
Inspect electrical wire for cuts, abrasions, and bare
wire. Check wiring insulation for damage.
2.
Inspect glow plug for obvious damage. Inspect
probe portion of plug for cracks or signs of heat
stress.
C.
INSTALLATION.
1.
Install glow plug (5, Figure 4-47) and washer (6) into
engine block.
2.
Connect electrical wire (1) to glow plug (5) using nut
(2), lockwasher (3), and washer (4).
3.
Close top front cover and secure using latches.
Figure 4-47. Oil Heat Glow Plug
4-127
