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ORCA-III Operation Manual
Maintenance and Troubleshooting
GBC Pro-Tech 1997 October
4-3
$GMXVWLQJ WKH 0DLQ 5ROO 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
1
/
16
" hex wrench
To adjust the main roll nip:
CAUTION
The main rolls must be at room temperature
to achieve a proper nip setting.
1.
Make sure that the machine has both power and
air. It is also necessary to ensure that the
up/down rates of the upper main roll are even
prior to setting the nip. If they are not, follow the
rate adjusting procedure later in this section.
2.
Rotate the adjusting collar on each end of the
laminator until it touches the lock collar.
15
20
25
30
Adjusting Collar
Shaft
Lock Collar
Button Head Screw
Figure 4-1:
Main Roll Nip Setting
Assembly
3.
Set the main roll pressure to 30 PSI on the front
control panel.
4.
Screw the adjusting collars down until they seat.
5.
Raise the main roll.
6.
Without moving the adjusting collars, draw a
zero on each collar scale.
7.
Using the
1
/
16
" hex wrench, loosen the three
button head screws on the adjusting collar on one
end of the laminator and line up the horizontal
and vertical lines on the adjusting collar and the
shaft. Once they are aligned, tighten the button
head screws. Do this for the other side of the
laminator.
0
5
10
15
Zero
Point On
the Shaft
Written Zero
Point
Figure 4-2:
Written Zero Point and the
Zero Point On the Shaft
0
5
10
15
Bottom of the
Adjusting
Collar Lined
Up with the
Zero Point On
the Shaft
Written Zero
Point Lined
Up With the
Center Line
On the Shaft
Figure 4-3:
Properly Aligned Shaft and
Adjusting Collar
8.
The nip is now set.
Properly Set Nip
(Distance Between
Rolls is Equal)
Figure 4-4:
Properly Set Nip
Summary of Contents for OORCA-III
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