Drive Band Removal And Replacement; Removal; Replacement - IBM 5280 Maintenance Information Manual

365
DRIVE BAND REMOVAL AND REPLACEMENT
Removal
CAUTION
The drive band can be easily damaged. Do not bend, dent,
or scratch the drive band.
1.
2.
3.
4.
Power off.
Disconnect the head cable connector
mfrom
the
diskette drive control card
1m
and remove the
head cable from the cable guide
m.
Remove the cable guide
1El.
Remove the three screws
B, 0,
and
iI!l
and the
clamps
0
and
II
that attach the drive band
II
to
the stepper motor pu Iley
fJ
and the carri age
bracket
a.
(Note the position of the drive band
and clamps for the replacement procedure.)
5. Remove the drive band.
42 Stepper Drive
365
Replacement
CAUTION
The drive band can be easily damaged. Do not bend, dent,
or scratch the drive band.
1.
2.
3.
4.
Use the screw
II
to attach the end of the drive band
with the welded adapter
lito
the end
II
of the
carriage bracket. Do not tighten the screw.
Use the screw
1m
and the clamp
D
to attach the
drive band
II
to the stepper motor pulley
fJ.
The
drive band must be parallel to the edge of the pulley.
Use the screw Band the clamp
II
to attach the
other end of the drive band to the carriage bracket.
The drive band must be parallel to the carriage
bracket.
Adjust the drive band (see 363, step 9).