6.Use a 5mm hex wrench to remove the three M8-1.25 x 18 button head cap screws secur- ing left rear conveyor roller bracket, leaving the rear conveyor roller assembly and brack- et in place (see Figure 42).

Note: After loosening the left conveyor roller bracket, the rear conveyor roller assembly is supported by its attachment to the conveyor motor assembly. However, to avoid damaging this roller assembly, DO NOT put unneces- sary strain on it.

Rear Conveyor

Roller Bracket

Figure 42. Rear conveyor roller bracket

unattached.

7.Loosen the four upper button head cap screws securing the sanding assembly mounting brackets to the conveyor (see Figure 40).

Note: Loosening these fasteners will relieve the strain on the brackets for the next step.

8.Use a 12mm hex wrench to remove the two 516"-18 x 1" hex bolts, flat washers, and hex nuts securing the left sanding assembly mounting brackets (see Figure 40).

Note: Reach into the cabinet stand to reach the hex nuts.

9.With assistance, carefully lift the sanding assembly up and remove the conveyor belt, as shown in Figure 43.

Figure 43. Conveyor belt partially removed from

the sander.

10.Slide the new conveyor belt onto the convey- or and re-install the parts in reverse order.

Note: Make sure the conveyor roller brackets are mounted with the small flange facing out, as shown in Figure 44.

Figure 44. Conveyor roller bracket flange for the

tension adjusting bolt.

11.Re-tension the conveyor belt, and adjust the tracking (Pages 30 & 31).

12.Re-adjust sanding drum and conveyor paral- lelism (Page 32).

G0644 15" Open-End Wide Belt Sander

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Page 39
Image 39
Grizzly G0644 owner manual Rear conveyor roller bracket Unattached