ORCA-I SP Operation Manual
Maintenance and Troubleshooting
© GBC Pro-Tech 1998 April
4-3
$GMXVWLQJ WKH 1LS
The gap between the two main rolls is called the nip.
The purpose of adjusting the nip is to ensure con-
tinuous contact between the laminating rolls as the
media is drawn through the machine. This procedure
must be done regularly.
Tools required:
•
1
/
8
" hex wrench
•
7
/
64
" hex wrench
To adjust the main roll nip:
DANGER
1. Remove the drive and control side cabinet covers
by removing the screws with the
1
/
8
" hex wrench.
2. Turn the UP-DOWN switch on the front control
panel to the UP position to raise the main roll.
3. Loosen the
7
/
64
" screw in the upper black lock col-
lar located at the top of the cylinder shaft on the
control side of the laminator.
Figure 4-1: Adjusting the Nip
4. Turn the lock collar up several turns to allow the
upper main roll to rest on the lower main roll when
lowered.
5. Set the shim dial to zero (0).
6. Repeat steps 3-5 for the laminator's drive side.
7. Set the main roll pressure to 30-40 psi (205-
275 kPa).
8. Turn the UP-DOWN switch on the front control
panel to the DOWN position to lower the upper
main roll. Allow it to settle for approximately 10
seconds.
CAUTION
9. Spin both lock collars down until they are just
touching the shim dials. The dials should not be
able to move up or down when each collar is tight.
10. Tighten the set screw in each lock collar.
11. Replace both cabinet covers.
EXERCISE EXTREME CAUTION WHEN
REMOVING THE CABINET COVERS WHILE
THE LAMINATOR IS OPERATIONAL! You
can be severely shocked or electrocuted.
3/16
1/8
Set
Screw
Lock
Collar
Shim
Dial
The nip area must be clear of obstructions before
you lower the upper main roll to ensure that the
rolls contact properly.
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