H – GEAR MOTOR
1.With outer case removed, disconnect motor leads from on/off switch and terminal block and cut wire ties at floor panel.
2.Remove the 2 retaining bolts from the underside of the unit.
3.Remove the drive chain and lift out motor.
4.Separate motor from motor mounting bracket by removing the 4 slotted screws on the bracket.
5.Using a 1/16” allen wrench, remove the drive sprocket from the motor shaft.
6.Attach new gear motor to motor mounting bracket.
7.Install drive sprocket on motor shaft making sure the Allen screw rests on the flat of the shaft. Do not tighten set screw.
8.Install new motor with bracket attached. DO NOT tighten remaining bolts.
9.Replace drive chain over sprockets.
10.Slide motor to right until drive chain is taut. There should be approximately ¼” play in the drive chain.
11.Check drive chain alignment. Tighten drive sprocket set screws.
12.Reattach motor leads to on/off switch and conveyor speed control. (Refer to appropriate wiring diagram.)
I – DRIVE CHAIN
1.With outer case removed, loosen the two motor mounting bracket retaining bolts on underside of unit, but DO NOT remove.
2.Slide motor to the left to loosen drive chain tension.
3.Remove drive chain.
4.Install new chain over sprockets with open looped side of chain facing out.
5.Slide motor to right to tighten drive chain tension. There should be approximately ¼” play in the drive chain.
6.Check for proper drive chain alignment (See figures 6 and 7).
7.Tighten motor mounting bracket retaining bolts on underside of unit.
J – DRIVE (MOTOR) SPROCKET
1.With outer case removed and drive chain removed, loosen the set screw on sprocket with a ¼” allen wrench and remove sprocket.
2.Install new sprocket on motor shaft making sure allen screw rests on the flat of the shaft.
3.Replace drive chain.
K – REAR (CONVEYOR) SHAFT SPROCKET
1.With outer case removed and drive chain removed, loosen the two set screws on sprocket with a 1/16” allen wrench and remove sprocket.
2.Install new sprocket on conveyor shaft aligning the two set screws with the holes on the shaft.
3.Replace drive chain.
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