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4.6.32 Ribbon Solenoid
Adjustment
I
DANGER
The ribbon clutch solenoid becomes very
hot after use. Be sure it is cool before per-
forming maintenance.
1.
2.
3.
4.
5.
6.
7.
Turn the power off.
Remove the printer covers (4.6.1) steps 1
through 3.
Remove the solenoid safety cover
B .
Loosen the solenoid bracket screws
m.
Check that the clutch faces are fuIly en-
gaged by holding the shaft
D
and turning
the pulley.
With the solenoid de-energized, place a
0.045 inch (1.143 mm) feeler gauge between
the solenoid housing and the residual
II '
then position the bracket until the lever just
touches the top of the solenoid armature
shaft.
Tighten the solenoid bracket screws.
8.
After the adjustment is made, manually
pick the solenoid to disengage the clutch,
and turn the shaft. The shaft should turn
freely and independently of the pulley.
9.
Install the solenoid safety cover, the
divider, and the main covers.
10.
Turn the power on.
Removal
I
DANGER
The ribbon clutch solenoid becomes very
.
hot after use. Be sure it is cool before per-
forming maintenance.
1.
Turn the power off.
2.
Remove the covers and the divider between
the keyboard and the printer (4.6.1).
3.
4.
5.
Remove the solenoid safety cover (one
screw)
II.
Remove the solenoid mounting bracket
screws
m
and unplug the ribbon sole-
noid leads
(P1).
Remove two nuts and the solenoid assembly
(not shown).
Replacement
1.
Replace in the reverse order of removal
and perform the ribbon solenoid adjust-
ment (4.6.32).
2.
Turn the power on.
0.045
±
0.003 inch
(1.143
±
0.076 mm)
Belt Printer
2851pm
4-129
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