Maintenance
Up/Down System
5
5-10 60HDdoc102619 Maintenance
5.10 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” (1.9cm) 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.
1. Adjust the motor belt tension as needed. To do this, loosen the motor mounting bolts and turn
adjustment bolts clockwise or counterclockwise evenly, until the belt is properly tensioned. Tighten
the motor mounting bolts.
FIG. 5-4
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