Table of Contents
Advertisement
Carrier
150
CARRIER MAIN AND SUPPORT SHAFTS
Service Check
1.
The carrier support bearing should be 0.025 mm
to 0.076 mm (0.001 inch to 0.003 inch) from the
support shaft ...
2.
Check the main shaft a_djustment as follows:
a. Insert a strip of carbon paper about 4.7 mm
(3/16 inch) wide and 127.0 mm (5 inches) long
- between the bearing and shaft
B.
b. Push the carrier so the bearlng rolls over the
carbon paper.
c. Check for a smooth, even mark; adjust if
needed.
Adjustment
Two adjustments are needed for the carrier. The main
shaft is adjusted for full contact of the carrier bearing on
the shaft. The carrier bracket support bearing is
adjusted for 0.025 mm to 0.076 mm (0.001 inch to
0.003 inch) gap to the support shaft.
1.
Remove the printer covers (110).
2.
Adjust the carrier support shaft bearing as follows:
a. Separate the printer from power supply board
A1 (115).
b. Slightly loosen the socket head screw. at the
end of the bearing eccentric
D
Remove the
ribbon drive clutches for access (171).
c. Turn the eccentric to obtain 0.025 mm to 0.076
mm (0.001 inch to 0.003 inch) gap between the
bearing and shaft . . while pushing on the
bottom of the carrier as shown in the figure.
d. Tighten the socket screw. on the end of the
bearing eccentric.
e. Check the gap again and adjust if needed.
f. Assemble the printer and power supply.
3.
1-40
Adjust the carrier main shaft as follows:
a. Loosen the screws at the shaft ends.
b. Turn the shaft until the full width of the bearing
. . rolls on the flat part of the shaft
B.
The
mark. on the left end of the main shaft must
be up.
c. Hold the shaft in this position with an
adjustable wrench (be careful not to damage
the flat part of the shaft) and tighten the
screws in the shaft ends.
4.
Check the adjustment as follows:
5.
a. Insert a strip of carbon paper about 4.7 mm
(3/16 inch) wide and 127.0 mm (5 inches) long
between the bearing and shaft
II.
b. Push'the carrier so the bearing rolls over the
carbon paper.
c. Check for a smooth, even mark; adjust again if
needed.
Reinstall the printer covers (110).
fJ
Advertisement
Table of Contents
