IBM Selectric Maintenance Manual page 122

Broken Head
Detent Action 10.5
Print Shaft Timing 10.8
Skirt Clearance 10.18
5 1/2 Rotate 10.23
Check:
Motion 10.14
No
No
Tilt
Check:
Tilt Motion
Tilt Latches 10.11
R.H. Tilt Pulley
No
Compare a -3 Selection
to a
-5
Selection
Rotation Arm Vertical 10.3
Bblance 10.4
No
Adjust Paddle 10.13
Figure 10.0
MAL-SELECTION
10.0
Mal-Selection Adjustments
MAL-SELECTION
No
Yes
Rotate
Check:
Rotate Tension 10.6
Damper Spring 10.9
Detent Spring 10.5
Print Shaft Timing 10.8
Match a
-4
Character to
Any Positive Rotate Char-
acter
Yes
Trouble is in Selection Area 10.11
Print Magnets 10.12
Feedback Contacts 10.15
Cycle Clutch Adj. 15.0
Yes
Yes
Check:
Compensation 10.10
Coarse Homing 10.1
Fine Homing 10.7
10.1
Loosen the set sc rew in the Rotate Pu lIey and set the
home position so that the detent enters the head .015"
down the slope, with the head play removed in a
clockwise di recti on. See 10.21 .
4-14