TM 9-2320-289-20
3-20.
GLOW PLUG AND GLOW PLUG SWITCH REPLACEMENT.
This task covers:
a. Removal
c. Installation
b. Inspection
INITIAL SETUP:
Equipment Condition
Tools/Test Equipment
Both battery negative cables disconnected.
Torque wrench
(See paragraph 4-38)
a.
REMOVAL
NOTE
If removing glow plug switch (4), perform steps 1 and 2.
If removing glow plug (1), perform step 3.
1.
At top rear of left cylinder head,
2.
Remove glow plug switch (4).
damaged.
Notify supervisor if glow
disconnect connector wire (3) from glow plug switch (4).
Remove bushing (5). Discard bushing if threads appear
NOTE
plug (1) does not come out in one piece.
Removal of glow plug fragments is not authorized at this maintenance
level.
3.
Disconnect glow plug connector wire (2) from each glow plug (1) to be removed. Remove
glow plug.
b.
INSPECTION
1.
Inspect glow plug (1) threads to ensure that they are not stripped. If glow plug threads are
stripped, notify your supervisor.
c.
INSTALLATION
If
If
NOTE
installing glow plug (1), perform steps 1 and 2.
installing glow plug switch (4), perform steps 3 and 4.
1.
Install each removed glow plug (1). Tighten to 10 Ib.-ft. (14 N•m).
2.
Install glow plug connector wire (2) to each glow plug (1).
3.
Install new bushing (5) if required.
3-60
