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TM 9-2330-398-24
2-107. GLOW PLUGS REPLACEMENT.
This Task Covers:
a. Removal
b. Inspection
c. Installation
Initial Setup:
Tools/Test Equipment:
• Negative battery cable disconnected (para 2-33).
• General mechanic's tool kit (Item 4,
• Semitrailer bonded and grounded (refer to
Appendix B)
TM 9-2330-398-10).
Equipment Conditions:
• Semitrailer uncoupled (refer to TM 9-2330-398-10).
WARNING
When performing electrical maintenance, ALWAYS disconnect negative battery
cables at batteries. Failure to follow this warning may create a spark and
explosion, resulting in serious injury or death to personnel.
a. REMOVAL
NOTE
• For ease of installation ,tag electrical leads at removal.
• Nuts are provisioned with glow plugs.
1.
Remove two nuts (5) and five electrical leads (3, 4, 6, 7, and 8) from two glow plugs (1).
2.
Remove strap (2) from two glow plugs (1).
3.
Unscrew two glow plugs (1) from air intake manifold (9).
b. INSPECTION
Check to see if electrical leads to glow plugs are clean and secure.
CAUTION
With preheater switch in PREHEAT position, 12 V dc are applied to glow plugs. Do
not handle glow plugs with preheater switch In PREHEAT position.
c. INSTALLATION
1.
Screw two glow plugs (1) into air intake manifold (9). Tighten glow plugs between 10 and 15 Ib-ft (13 and 20 N-
m).
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