Magnetic Tape Cartridge Cleaning

11-5835-243-34/EE641-AA-MMl-010/E154

MTT/TO

31S3-4-110-1

c. Wind tape remaining on take-up hub (fig. 3-12)

a. Remove six screws securing cartridge cover to

to supply reel hub by rotating supply hub coun-

taps cartridge.

terclockwise. Inspect tape (para 3-38).

b. Turn cartridge over, open cartridge door and

lift cartridge cover away from the base.

Figure 3-12. Magnetic Tape Cartridge, Tape Threading Diagram.

Rinse in clear warm water and dry using clean, lint-

d. Hold floating pressure roller with thumb and

free cloth.

carefully remove elastic belt.

e. Remove floating pressure roller.

c. Wash belt and all removed plastic parts that do

f. Remove retaining ring that secures reel hub to

not contain ball bearings in a solution of mild liquid

cartridge base.

detergent and warm water. Rinse in clear warm

g. Remove shim(s) from top of reel shaft.

water and allow to air dry.

h. Remove reel from reel shaft ensuring that two

d. Wipe external surfaces of plastic parts con-

flanged bearings remain in reel hub.

taining ball bearings using clean, lint-free cloth

moistened with a solution of mild liquid detergent

3-37. Magnetic Tape Cartridge Cleaning

and warm water. Remove detergent residue by

a. Wash both sides of cartridge cover using clean

wiping with clean lint-free cloth moistened with

lint-free cloth moistened with a solution of mild

clear warm water. Wipe exposed bearings and

liquid detergent and warm water. Remove detergent

bearing surfaces with dry, clean, lint-free cloth to

residue by rinsing cartridge cover in clear warm

remove any residue. Allow all parts to air dry.

water and drying with clean, lint-free cloth.

WARNING

b. Wash inside and outside of cartridge base in a

USE OF CLEANING SOLVENT

solution of mild liquid detergent and warm water.

Fumes of TRICHLOROTRIFLUORO-

Use a soft-bristle brush to dislodge any stubborn

ETHANE are poisonous. Provide

accumulations of magnetic tape residue or grime.

3-28