V-Belts; Aligning Tailstock To Headstock - Jet GH-1340W Owner's Manual

Belt Replacement and Adjustment
1. Disconnect machine from the power
source (unplug).
2. Open the end gear cover and lower cover
on the headstock side.
3. Take tension off old belts by loosening
motor mount hex nut (A, Fig. 26).
4. Remove belts. Install new belts onto
pulleys.
5. Tension by tightening motor mount hex
nut until 8 lbs. force causes approximately
3/4" deflection on belts.
6. Close end gear door, install cover and
connect lathe to the power source.

Aligning Tailstock to Headstock

Before proceeding, headstock should be
aligned. See section labeled "Headstock
Alignment".
1. Fit a 12" ground steel bar between centers
of the headstock and tailstock (Fig. 27).
2. Fit a dial indicator to the compound slide
and traverse the center line of the bar,
using the carriage movement.
3. If tailstock adjustment is needed,
alternately loosen and tighten front and
rear hex socket cap screws (A, Fig. 28).
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