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CARRIAGE MECHANISM - AA
10. Remove carriage spring (AG-20) from D.B. guide plate (AA-107)
located on underside of carriage.
11. Lower retainer bracket (AA-101) by removing one inside screw,
1 ockwasher , flat washer (AA-104, 103, 102). loosen the other side.
12. Lift entire carriage unit from front carriage bar (AB-12).
C. DAMPER CYLINDER
1. Remove left ribbon spool (AL-113).
2. Remove three screws, lockwashers, flat washers (AA-93, 95,
94) from damper cylinder (AA-85) and remove.
D. HEAD BRACKET UNIT
1. To release head bracket unit (AA-66) from carriage unit
(AA-51), remove head bracket guide (AA-75) by removing
two screws and lockwashers (AA-76, 77). Remove center
screw and fork (AA-68, 69, 67).
2. Reassemble in reverse order.
5.2.1.3
Adjustments
Rev.
E
A.
DAMPER UNIT (AA-85)
1. Piston unit AA-BO, mounted to the left side of carriage
unit (AA-51) must be aligned on center line with that of
the damper unit (AA-B5). Loosen three screws (AA-93) on
damper, and adjust piston (AA-BO) to aline with damper
when bottomed. Tighten screws on damper when alined.
2. A critical adjustment of dampening effect for return
carriage is the air adjusting screw (AA-B6) located on
the top of the damper cylinder. Check for the following:
Condition A
Carriage should run out for
a
full line of characters
(BO)
and return to damper for repeat of
BO
character/line readout.
Condition B
Make sure printer is capable of one character-per-line
printout.
3.
If either condition A or B is not met, adjust release of
compressed air by turning screWltAA-B6) on damper. Air
should eject properly from release hole on damper to meet
above conditions, A and B; adjust accordingly.
Note
Avoid bottoming of piston
to
inside of
damper cylinder on final adjustments.
5-4
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