ORCA-I Operation Manual
Maintenance and Troubleshooting
GBC Pro-Tech 1997 October
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
continuous 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
EXERCISE EXTREME CAUTION WHEN
REMOVING THE CABINET COVERS
WHILE THE LAMINATOR IS
OPERATIONAL! You can be severely
shocked or electrocuted.
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
collar located at the top of the cylinder shaft on
the control side of the laminator.
3/16
1/8
Set
Screw
Lock
Collar
Shim
Dial
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 40 PSI.
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
The nip area must be clear of obstructions
before you lower the upper main roll to ensure
that the rolls contact properly.
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.
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