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IBM Infoprint 1130/1140
Adjustment Procedures
Duplex Motor Drive Belts
Do the duplex motor belt and drive belt adjustment whenever you
remove or replace the duplex motor or loosen the motor or drive belt
idler pulley.
Service Tip: Excessive belt tension can result in stalling the duplex
motor. Too little belt tension can result in belt slippage.
To do the duplex drive belt adjustment:
1. Do the removal procedure
page 4-21
2. Loosen the idler pulley mounting screw and position the idler to
provide 3 mm (±.5 mm) drive belt deflection.
3. Tighten the idler pulley mounting screw being careful to
maintain the adjustment.
4. Reassemble the duplex unit.
To do the duplex motor belt adjustment:
1. Do the removal procedure
access the motor mounting screws but do not remove the
motor.
2. Loosen the screw in the elongated adjustment slot and position
the motor to provide 3 mm (±.5 mm) motor belt deflection.
3. Tighten both mounting screws being careful to maintain the
adjustment.
4. Reassemble the duplex unit.
4-2
Service Manual
to access the drive belt idler pulley.
"Duplex Front Cover Door" on
"Duplex Motor" on page 4-22
to
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