GBC 930-028 manual Hex wrench Screwdriver, To adjust the chain tension

&KDLQ7HQVLRQLQJ	F-60+ Operation and Maintenance Manual
Maintenance and Troubleshooting

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

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.

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.

1/4" to 1/2" Play

1/4"/ " toto

	1/2"/ " Playl
	Downwardrd
Loosen	Forcer Tightensi t
	Chainin
Motor
Mount
Bolts

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.

4-4 © GBC Pro-Tech 1999 April