OPTICAL ELEMENT ERECTOR LENS CELL ASSEMBLY--MAINTENANCE INSTRUCTIONS.

ARMY

TM 9-6650-235-13&P

MARINE CORPS

TM-08552A-13&P

5-21.

OPTICAL ELEMENT ERECTOR LENS CELL ASSEMBLY--MAINTENANCE INSTRUCTIONS.

This task covers:

Disassembly/Cleaning/Repair

b. Reassembly

INITIAL SETUP

Tools and Special Tools

Troubleshooting References

Instrument and fire control shop

5-4 A distorted image is seen

equipment SC 4931-95-CL-A07

through the M3 Borescope

Socket wrench case 11584760

Equipment Condition

Materials/Parts

5-46 Optical element erector lens

Lens paper (item 10, app D)

cell assembly removed from

Optical lens cleaning compound

objective tube assembly

(item 2, app D)

References

TM 9-254

DISASSEMBLY/CLEANING/REPAIR.

a. If setscrews or optical instrument lens is

damaged, remove three setscrews (1) from lens

mounting sleeve (2).

b. Remove optical instrument lens (3) from lens

mounting sleeve (2).

c. Dust optical instrument erector lens (3) with the

brush in the socket wrench case. Clean with

lens paper and optical lens cleaning compound.

See TM 9-254.

d. Inspect for cracks, breaks, worn or missing

parts.

e. .Replace authorized parts. See appendix C.

f If lens mounting sleeve (2) is damaged, order

optical element erector lens cell assembly

11584718 for replacement.

5-61