BALLISTICS DRIVE INSTALLATION - TM-9-1220-220-340070

TM 9-1220-220-34

4-5.

BALLISTICS DRIVE INSTALLATION

TOOLS: 3/16" flat tip screwdriver

#3 cross tip screwdriver (Phillips type)

1/2", 5/16", 7/16", 9/16", and 15/16" box end wrench

1/2", 3/4", and 1 1/16" open end wrench

5/16" hexagon stud socket (3/8" drive)

6" extension (3/8" drive)

3/8" drive ratchet wrench

3/8" drive universal joint

Spacer gauge tool

Torque wrench

4-oz ball peen hammer

Electric drill

15/64" drill bit

Wire cutter tool

Lockwire tool

1/4" reamer

SUPPLIES:

Cleaning rag

Alcohol (item 1, App A) or solvent (item 4, App A)

PERSONNEL: Three

Repairman A: Holds ballistics drive

Repairman B: Installs hardware

Repairman C: Helps in mounting ballistics drive only

REFERENCES: JPG 41C for: Cleaning mounting surfaces

Torquing

Installing lockwire

Using electric drill

TM 10 for:

Zeroing M1 Al

(TM 9-2350-215-10 for M60A1, TM 9-2350-257-10 for

M60 Rise, and TM 9-2350-260-10 for M60)

TM 20-2 for:

Removing and installing M13A1 elevation quadrant

Removing and installing M32 (or M35 gunner's periscope)

(TM 9-2350-215-20-2 for M60A1, TM 9-2350-257-20-2

for M60A1 Rise, and TM 9-2350-260-20-2 for M60)

TM 9-1240-258-34 for locating of rangefinder

EQUIPMENT CONDITION:

Vehicle parked on level ground

Gun pointed level

Vehicle MASTER SWITCH off

Para 4-5 Vol II

4-17