ARMY TM 9-1240-379-34
MARINE CORPS TM 04332A-34
Section Il. MAINTENANCE PROCEDURES
3-2.
HEAD
ASSEMBLYMAINTENANCE
INSTRUCTIONS.
THIS TASK COVERS:
c . Reassembly
a.
Disassembly
b.
Inspection/cleaning/repair
INITIAL SETUP
Tools and Special Tools
References
Instrument and fire control shop equip-
TM 9-1240-379-34P
ment (SC 4931-95-CL-A07)
T M 750-116
Instrument and fire control system repair
shop equipment (SC 4931-95-CL-A09)
Equipment Conditions
Materials/Parts
elbow assembly or infrared
Dry cleaning solvent (item 8, app B)
body assembly removed from
Gloves (item 10, app B)
head assembly
Sealing compound (item 16, app B)
DISASSEMBLY
NOTE
Optical instrument window is
sealed in place and is removed
only if damaged.
1 Remove five machine screws (1) and
strip (2).
2 Remove five machine screws (3) and
strip (4).
WARNING
Be careful when removing op-
tical instrument window to
avoid injury.
3
To remove optical instrument window,
heat surrounding area to soften sealing
compound and pry optical instrument
window (5) away from head assembly
(6).
