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ORCA-I Operation Manual
Maintenance and Troubleshooting
GBC Pro-Tech 1997 October
4-5
1/4" to
1/2" Play
Downward
Force Tightens
Chain
Automatic
Chain
Tensioner
Secondary
Chain
Tensioner
Loosen
Motor Mount
Bolts
Figure 4-3:
Adjusting the Chain Tension
4.
Using a screwdriver, apply a small amount of
downward pressure on the motor by prying
against the inside of the side frame until there is
¼" to ½" play in the chain.
5.
Tighten the mounting bolts while maintaining the
downward pressure on the motor.
6.
Move the automatic chain tensioner back onto the
chain.
7.
Replace the cabinet cover and reapply power to
the laminator.
To adjust the secondary chain tension:
WARNING
Remove power from the laminator and make
sure it won’t be reapplied while you are
performing this procedure. You could be
severely shocked, electrocuted, or get your
fingers caught in the drive mechanisms.
8.
Adjust the secondary chain tensioner (see Figure
5-11) so that there is ¼" to ½" play in the
secondary chain.
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If the top main roll or top pull roll move up or down
unevenly, the air cylinder flow controls need to be
adjusted.
To adjust the air cylinder rate for the main rolls:
1.
Make sure there is both air and power to the
machine.
2.
Remove both cabinet covers.
3.
Loosen the large knurled locking rings.
4.
Turn the air cylinder adjustment valve knobs to
their fully in position and mark them with a
permanent marker to provide an indicator. Do not
jam shut, finger tight is sufficient.
5.
Rotate the upper main air cylinder adjustment
knobs out 5 turns. Rotate the lower main air
cylinder adjustment knobs out 3 turns.
The upper knob adjusts the up rate of the roll and
the lower knob adjusts the down rate of the roll.
Turn clockwise to reduce the rate of travel and
counterclockwise to increase the rate of travel.
6.
Lower and raise the roll. The roll should fall and
rise evenly. If not, adjust the appropriate knob.
Adjust until the rates are even.
7.
Lock settings in place by tightening the large
knurled locking rings.
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