Centronics 101AL Technical Manual page 83

DRIVING MECHANISM
Installation of Motor Pulley Driver (HB-92) and Main Motor
Note
The following parts are to be added
(in the order indicated, a through
e), to the shaft of the motor and are
in addition to the pinned clutch plate
and fan that are factory delivered
with the motor (HB-98). Refer to
Figure (HB) (Part 1).
a. Motor pulley 60 Hz or 50 Hz (HB-110, HB-111).
b. Motor pulley driver (HB-92).
c. Spring for HB-92 (HB-93).
d. Nuts for HB-93 (HB-112).
Tighten nut (HB-112) so that spring coils squeeze together,
but not overlapping. Tighten second check nut (HB-112).
Insert motor into back of printer (shaft facing front of
printer) and set over motor mounting holes.
Install new belt (HB-48) over intermediate pulley (HB-22)
and main motor pulley (HB-110, or HB-111).
Insert mounting bolts (HB-17) into main motor through base
underneath printer. Do not tighten until the following steps
are performed.
a. Insert adjusting bolt (HB-18) into side flange of motor
mounting bracket and turn. Motor belt will tighten.
b. Adjust motor and bracket parallel to front paper pan (HF-89)
by sighting straight down on the top of two slotted-head
screws (HB-12) of the mounting bracket (HB-9) and aline
screws parallel to the front paper pan.
c. Tighten four mounting bolts (HB-17).
d. Tighten nut (HB-19) on adjusting bolt.
e. Press ON/OFF Switch on operator panel of printer to test
alinement and operation of main motor and belt tension
while operating. With switch OFF readjust adjusting bolt and
mounting nuts, if required.
Reinstall intermediate gear (HB-30) for forward clutch which
was removed in step B.1. Ensure that forward clutch pulley
belt (HB-48) is over hole when pulley shaft (HB-103) is in-
serted so that it fits over smaller gear of gear (HB-30).
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