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Maintenance and Troubleshooting
F-60+ Operation and Maintenance Manual
4-4
© GBC Pro-Tech 1999 April
Smaller chain tensioning adjustments on the F-60+
Laminator are handled by a secondary chain tensioner,
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
•
7
/
32
" hex wrench
•
3
/
16
" hex wrench
• Screwdriver
To adjust the chain tension:
WARNING
1. Remove the drive side cabinet cover using the
1
/
8
"
hex wrench by removing the seven screws holding
the cover in place.
2. Using a
7
/
32
" hex wrench, remove the pull roll
height adjust crank from the drive side of the
machine.
3. Loosen the top rewind chain tensioner.
4. Loosen 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.
Figure 4-3: Adjusting the Chain Tension
5. 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.
6. Tighten the mounting bolts while maintaining the
downward pressure on the motor.
7. Engage the top rewind chain tensioner and apply
pressure until its chain exhibits similar tension to
the primary chain tension.
8. Engage the bottom rewind chain tensioner and
apply pressure until its chain exhibits similar ten-
sion to the primary chain tension.
9. Replace the cabinet cover.
10. Replace the pull roll height adjust crank.
11. Reapply power to the laminator.
Remove and lockout power from the laminator
while you are performing this procedure. You
could be severely shocked, electrocuted, or get
your fingers caught in the drive mechanisms.
Loosen
Motor
Mount
Bolts
Downward
Force Tightens
Chain
1/4" to
1/2" Play
1/4" to
1/2" Play
Downward
Force Tightens
Chain
1/4" to
1/2" Play