IBM 5280 Maintenance Information Manual page 140

Page of SY31-0602-0
As updated 5 June 1981
By
~N
L SN20-9529
344
HEAD GAP SERVICE CHECK
1.
Power off.
2. Close the diskette locking lever
IJ.
3.
(318D) Visually check for a gap
Bof
3 to 4 milli-
meters (0.118 to 0.157 inch) between the head
II
and the head load arm
II.
(51TD) Visually check
for a gap
II
of 2 to 3 millimeters (0.079 to 0.118
inch) between the head surfaces
II
and
II .
4. If the gap is correct, proceed with step 5. If the gap
is not correct, go to 345, step 2.
5. If you have compieted the solenoid and bail adjust-
ment (346), this completes the service checks, if
not, open the diskette locking lever
II
and go to
343, step 2.
20 Head Load Solenoid and Bail
fJ...!-~ ~O~::t:7---a
t
----1L-----~
II
II
344