Sharp UP-600 Service Manual page 99

(24) Apply ORELUBE G-1/3 to the pivot of the pulley
drive assembly. Mount the carriage drive pulley and
fasten with E-ring (E2.5).
(25) Align the positions of the mounted carriage drive
pulley cutout and the cutout of the other carriage drive
pulley andmount timing belt assembly.
(26) Provisionally fasten the pulley drive assembly with
M3 washer and fastening screw (M3x5).
(27) Move the carriage drive pin to the center of the pulley
drive assembly, perform the tension adjustment to
determine the position of pulley drive plate assembly,
and fasten the assembly. Use a dial tension gauge
for the tension adjustment. When pushed with a force
of 30 gf, the timing belt displacement must be 2 mm.
Fastening screw
Washer
Main frame
assembly
Apply
ORELUBE G-1/3
Pulley drive plate assembly
Pulley drive
plate assembly
2mm
Position
adjustment
E-ring
Carriage drive pulley
Timing belt
assembly
Carriage drive
assembly
Carriage drive
pin center position
30gf
(28) Apply ORELUBE G-1/3 to the fastening boss of the
stamp lever plate in the paper guide (L) assembly and
to the three slits contacting the plate.
Note: Paper guide (L) assembly refers to the
paper guide (L) with pressure rollers,
paper pressure sheet, 1-line validation
PCB assembly and validation guide plate
installed.
Paper guide (L)
assembly
(29) Install the paper guide (L) assembly in the main frame
assembly and fasten with fastening screws (M3x6).
Fastening screw
Stamp lever plate
Main frame assembly
15
Boss
(Apply ORELUBE G-1/3)
Paper guide (L)
assembly
Fastening
screw