Section 11. ELEVATION BORESIGHT KNOB

TM 9-1240-322-34&P

Section 11. ELEVATION BORESIGHT KNOB

ELEVATION BORESIGHT KNOB MAINTENANCE PROCEDURES INDEX

Reference (para)

Task

4-31

Disassembly

4-32

Assembly

ELEVATION BORESIGHT KNOB DISASSEMBLY

TOOLS: 4 oz. ball peen hammer

3/32" pin drive punch

1/4" flat tip screwdriver

Slipjoint pliers

Soft face hammer

PERSONNEL: One

EQUIPMENT CONDITION: Infinity sight on work bench

PRELIMINARY PROCEDURES: Remove receptacle assembly (para 4-10)

Step

Procedure

NOTE

The elevation boresight knob and azimuth boresight

knob are not threaded the same. The azimuth boresight

knob has left hand threads.

Using punch and ball peen hammer, drive pin (1) out of knob (2).

Using screwdriver, pry knob (2) loose from infinity sight housing (3) and ten pull knob

(2) and screw (4) out of housing (3).

Using fingers, remove key (5) from insert (6).

Using punch and ball peen hammer, drive pin (7) out of housing (3).

Using soft face hammer, loosen insert (6) and remove from housing (3).

Using screwdriver, remove packing (8) from insert (6).

Using pliers to hold screw (4), turn knob (2) counterclockwise to remove knob.

END OF TASK

Vol II

4-30