OTHER ADJUSTMENT
1 ADJUSTMENT
4
4
[30] Adjusting the Tension of the PZ
Punch Shift Timing Belt (PZ)
1. Tool
• Screwdriver (Phillips)
• Tension gauge or spring balance
2. Adjustment method
Step Operation
7
Make sure that the gate solenoid/L
(SD1) is ON, and adjust the position of
the solenoid bracket so that the gap
between the gate tip and the registration
guide plate is within the specification
range. Fasten the two screws.
Spec range: 2 to 4.6mm
* The plunger must operate smoothly
when the solenoid is turned ON or OFF.
8
Reassemble in the opposite sequence
to removal.
Caution: The conveyance unit must be
inserted so that the plate on
the conveyance unit (see the
figure below) is positioned in
side the rail on the enclosure.
7272fs1003
Plate
Rail
Step Operation
1
Remove the PZ from the main body.
2
Remove the four screws to remove the
rear cover.
3
Loosen the two screws holding the
punch shift motor (M5).
4
Use a tension gauge or a spring balance
to measure the tension at the A point.
When a specification value is observed,
tighten the screws.
Spec value: A = 4 ± 0.4kg
Note: The tension must be measured at
the root of the motor shaft. Oth-
erwise, the measuring operation
may cause the shaft to bend.
5
Reinstall the rear cover using four
screws.
7272fs1004
Screw
Screw
Punch shift motor (M5)
The tension of the timing belt
must be measured at the root
of the punch shift motor shaft.
Punch shift timing belt
A=4 0.4kg
MODEL MANUAL REVISED EDITION DATE PAGE METHOD
SERVICE MANUAL Dec. 2003
7155/7165/7255/7272
1-133 ADDITION
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