IBM 6360 User Manual

Stepper Drive Band Adjustment
CAUTION
When a diskette drive is removed from
its mounting,
verify the ground
through the AC connector. Check
for 0 ohms between the diskette unit
base and the diskette drive.
1. Turn the system power off.
2. Remove, the read/write head ~able
connector and guide.
3. Place the head carriage at track
40 (timing holes in pulley and
casting are aligned). Observe this
condition visually.
4. Loosen the screws that attach the
band to the pulley and the car-
riage bracket 0 .
5. Tighten the right hand carriage
bracket screw • and the band
clamp screw keeping the band par-
allel to the edge of the pulley
8.
6. Block the head carriage approxi-
mately 25.40 mm (1 inch) from the
casting.
7. Use a paper clip and the push/pull
scale to pull t~e loose end of the
band wi. th 1135 grams ± 10% (2.5
pounds ± 10%) of force, and tight-
en the left hand carriage bracket
screw. This adjustment ensures the
drive band tracks evenly and
tightly over the stepper pulley
e.
8. Carriage must move freely from
track 00 to track 76.
9. Load the diagnostic diskette and
run the alignment verification
test. The display will indicate
correct or incorrect alignment.
Note: Check the Head Carriage
Adjustment and adjust if necessary.
7-28 IBM Disp1aywriter Product Support t-Ianual

IBM 6360 Specifications

General

Brand	IBM
Model	6360
Category	Desktop
Language	English