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Maintenance
Up/Down System
5
5-10
60HDdoc100206
Maintenance
5.9
Up/Down System
Adjust the up/down chain tension as needed. Measure chain tension with the head all the
way to the top of the vertical mast. Find the chain adjusting bolt at the bottom of the mast.
Use the adjustment nut to adjust the bolt until the center of the chain can be deflected
3/4” (1.9 cm) with a 5 lb. (2.3 KG) deflection force.
CAUTION!
Do not over-tension the chain. Over-tensioning
the chain may lead to early failure of the gear reducer.
See Figure 5-6.
4.
Adjust the motor belt tension as needed. To do this, loosen the bolts in the motor
mounting plate and turn the adjustment bolts clockwise or counterclockwise evently until
the belt is properly tensioned. Tighten the motor mounting bolts.
FIG. 5-6
Adjustment
Nuts