IBM 6360 User Manual

11. Remove the pressure spring and the
feeler gauge. Press the spacebar
twice to step the head from track
40 to track 39 and again to 40.
Verify the adjustment by inserting
the feeler gauge between the
adjusting surface and pointer. Go
= 0.483 mm (0.019 inches), No Go =
0.533 mm (0.021 inches).
12. Load the diagnostic diskette, and
run the alignment verification
test.
Note: To check the head carriage
adjustment, perform steps 1, 7, 8, and
11.
The head carriage can be stepped by
hand from track 40 to track 39 and
back to track 40 by using the follow-
ing alternate procedures. (Refer to
the Cable and Connector Section for
test point locations.)
•
For the type 1 drive, install a
jumper between TPC04 (ground) and
TH05 (disable stepper). This pre-
vents accidental stepping.
For the type 2D drive, install a
jumper between TPB02 (grnd) and
TH05 (disable stepper). This pre-
vents accidental stepping.
Track 40 Adjusting ll __ ---U.bU?j mm
~-~
Surface ~ (0.02 inch)
Timing Pointer
•
•
•
For the type 1 drive, install a
second jumper between TPFOl
(ground) and TPH04 (motor control
0).
For the type 2D drive, install a
second jumper between TPA07
(ground) and TPA04 (motor control
0).
For the type 1 drive, remove jump-
er end from TPH04 and install it
on TPH01 (motor control 3). The
carriage will move from track 40
to track 39.
For the type 2D drive, remove the
jumper end from TPA04 and install
it on TPA01 (motor control 3). The
carriage will move from track 40
to track 39.
For the type 1 drive, remove jump-
er end from TPH01 and install it
on TPH04. This will move the car-
riage back to track 40.
For the type 2D drive, remove the
jumper from TPA01 and install it
on TPA04. This will move the car-
riage back to track 40.
Go 0.483 mm (0.019 inches)
No Go 0.533 mm (0.021 inches)
Chapter 7. Diskette Unit 7-31

IBM 6360 Specifications

General

Brand	IBM
Model	6360
Category	Desktop
Language	English