a. Remove six screws securing cartridge cover to
to supply reel hub by rotating supply hub coun-
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
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
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.
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.