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Maintenance and Troubleshooting
ORCA-I Operation Manual
GBC Pro-Tech 1997 October
4-4
To adjust the pull roll nip
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 rear control
panel to the UP position to raise the upper pull
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.
3/32
1/8
Set
Screw
Lock
Collar
Shim
Dial
Figure 4-2:
Adjusting the Nip
4.
Turn the lock collar up several turns to allow the
upper pull roll to rest on the lower pull 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 pull roll pressure to 40 PSI.
8.
Turn the UP-DOWN switch on the rear control
panel to the DOWN position to lower the upper
pull roll. Allow it to settle for approximately 10
seconds.
CAUTION
The nip area must be clear of obstructions
before you lower the upper pull roll to ensure
that the rolls contact properly.
9.
Spin both lock collars down until they are just
touching the shim disks. The disks 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.
&KDLQ 7HQVLRQLQJ
Smaller chain tensioning adjustments on the ORCA-I
laminator are handled by the automatic and
secondary chain tensioners, however, when installing
a new chain or when the chain tension is more
seriously out of adjustment, use the following
procedure to adjust the chain tension.
Tools required:
•
1
/
8
" hex wrench
•
3
/
16
" hex wrench
•
Screwdriver
To adjust the primary 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.
1.
Remove the drive side cabinet cover by removing
the screws with the
1
/
8
" hex wrench.
2.
Move the automatic chain tensioner off of the
chain.
3.
Loosen but do not remove all four motor mount
bolts using the
3
/
16
" hex wrench as shown in the
figure below. The motor should just move freely
within the slots.
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