Wear Adjustment in Raising
Mechanism
As the worm gear wears with time you may notice a little play in the handwheel. To adjust for wear in the raising mechanism:
1.Disconnect the machine from the power source, unplug.
2.Referring to Figure 48, remove the front panel
(D) by unscrewing the lock knob (A), pulling off the handwheel (B) and removing five pan head screws (C) that hold the front panel.
3.Use a wire brush and a cleaner/degreaser to clean worm shaft, and trunnions. Apply white lithium grease or powdered graphite to lubricate worm shaft, and trunnions.
Referring to Figure 49:
4.Loosen lock nut (A).
5.Turn eccentric sleeve slightly (B) by placing the wrench on the flat surface of the eccentric sleeve located just behind the gear (C). Adjust so that the worm raises into the worm gear removing play in the teeth (H). After the worm and worm gear touch back off slightly to leave a little backlash between teeth. Tighten the nut and try the handwheel. Make any necessary adjustments.
6.Tighten lock nut (A).
Wear Adjustment in Tilting Mechanism
As the worm gear wears with time you may notice a little play in the handwheel. To adjust for wear in the tilting mechanism (while referring to Figure 50):
1.Disconnect the machine from the power source, unplug.
2.Open the rear cabinet door and remove the poly
3.Use a wire brush and a cleaner/degreaser to clean worm shaft, and trunnions. Apply white lithium grease or powdered graphite to lubricate worm shaft, and trunnions.
4.Loosen lock nut (I).
There is a flat area on the eccentric sleeve that accommodates a wrench for adjustments.
5.Turn eccentric sleeve slightly (J) so that the worm raises into the worm gear removing play in the teeth (K). After the worm and worm gear touch back off slightly to leave a little backlash between teeth. Tighten the nut and try the handwheel. Make any necessary adjustments.
6.Tighten lock nut (I).
Figure 48
Figure 49
Figure 50
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