TM 9-1290-335-35
Table 4-1 Troubleshooting-Continued
Lowest
Malfunction
Probable causes
Corrective Action
maintenance
category
When turret is traversed
Replace stripped, badly
GS
pointers move
as stripped, badly worn or
worn or broken gear/s
erratically.
broken.
Excessive backlash.
Remove backlash by
DS
Lamp(s) do not light
Lamp(s) burned out or
DS
not properly seated.
Switch lead plug not making
proper contact.
Dirty or pitted.
DS
4-2