Jet Tools GH-1440W, GH-1340W Belt Replacement and Adjustment, Aligning Tailstock to Headstock

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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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Contents GH-1340W/1440W Lathes 321810 6/00Warranty on this product JET offers a one-year limitedPage Specifications GH-1340W/1440W CapacitiesHeadstock GearboxTable of Contents MiscellaneousContents of the Shipping Container Tool Box ContentsUncrating and Clean-Up Chuck Preparation Three Jaw Lubrication Page Coolant Preparation Electrical ConnectionsMake sure the lathe is properly grounded General Description Tailstock Leadscrew and Feed RodGear Box Steady RestControls Follow RestPage Break-In Procedure Change Gears Replacement Disconnect the machine from the power source unplugOperation Feed and Thread SelectionPowered Carriage Travel Automatic Feed Operation and Feed ChangesThread Cutting Page Adjustments Compound RestSaddle Cross SlideTailstock Off-Set Tailstock GibsHeadstock Alignment Installing Removable Gap Section Removing Gap SectionBelt Replacement and Adjustment Disconnect machine from the power source unplugAligning Tailstock to Headstock