Bevel gear (receiver) and bevel gear (motor) are parts of a serialized, matched set. Both gears must be replaced if either part is defective.
There are two configurations of matched bevel gear sets. The standard gun must use 12524257 and the enhanced gun must use 12524549.
2. INSPECT MECHANICAL HOUSING.
a. Visually inspect mechanical housing (9) for cracks or breaks. If either of these conditions are found, replace mechanical housing.
b. Visually inspect mechanical housing (9) for loose or damaged screw threaded inserts. If either of these conditions are found, send mechanical housing to Direct Support Maintenance for repair.
INSPECTION - Continued
a. Visually inspect clutch assembly (10) for cracks and broken shaft splines or gear teeth. If any of these conditions are found, go to WP 0068 00 and perform DISASSEMBLY/ASSEMBLY
b. Test clutch assembly slippage torque (WP 0068 00).
Visually inspect auto gun receiver for loose or damaged screw threaded inserts. If either of these conditions are found, send receiver to Direct Support Maintenance for repair.
1. Using acid brush, apply light coat of grease to all bearing faces and shafts (1), all gears and splines (2), and inside of mechanical housing (3).
2. Using acid brush, apply a light coat of grease to clutch assembly (4) and annular ball bearing (5).
1. INSTALL BEVEL GEAR.
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