TM 1-5855-265-20
3-21
3-8. OPTICS CLEANING PROCEDURES
This task is entered from other maintenance tasks. Clean only those optics specified by the supervisor.
Refer to paragraph 3-7 to determine which optics are exposed during maintenance.
INITIAL SETUP
Tools
Maintenance platform (optional)
Aircraft armament repairman tool set
Aircraft armament technical inspector tool set
Applicator bottle, 1 pint (2)
Acid-type safety goggles
Rubber apron
Rubber gloves
Materials (appendix D)
Acetone (Item 1)
Alcohol, methyl (Item 3)
Alconox, liquid (Item 4)
Applicator, cotton swabs (Item 5)
Fingercots, rubber (5) (Item 17)
Gloves, disposable plastic (Item 19)
Nitrogen (Item 23)
Paper, lens (Item 26)
Trichlorotrifluoroethane (Item 35)
Water, de-ionized (Item 36)
Personnel Required
68X Aircraft Armament/Electrical Repairer
66J30 Aircraft Armament Technical Inspector
Equipment Conditions
Maintenance task in progress
1. GENERAL CLEANING
CAUTION
• Clean optics only when directed by
supervisor.
• Clean only optical surface(s) designated by
supervisor.
• Never use dry lens paper, eyeglass cleaning
paper, or any type of cloth, cleaning solvent
or commercial product.
• Avoid talking directly over optical elements
to prevent expelled spittal from settling on
and contaminating optics.
a. Check optics for cleanliness. Identify the
type of contamination to be cleaned away
from the optical surface. Request
supervisor assistance in order to select
proper type of cleaning.
(1) If optical surface is lightly contaminated
(dust, sand, etc.) perform step b below.
(2) If optical surface is heavily
contaminated (fingerprints, spittal
deposit, vapor stains, etc.) perform step
c below.
(3) If optical surface is recessed and not
easily reached using lens paper
cleaning method, perform step d below.
b. Clean lightly contaminated optics.
