Acra 1440GWI Operation Manual
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23Belt Replacement and Adjustment1. Disconnect machine from the powersource (unplug).2. Open the end of gear cover and lower coveron the headstock side.3. Take tension off old belts by looseningmotor mount hex nut (A, Fig.26).4. Remove belts. Install new belts ontopulleys.5. Tension by tightening motor mount hex nutuntil 3.7kg(8lbs.) force causesapproximately 19mm(3/4〞) deflection onbelts.6. Close end gear door, install cover andconnect lathe to the power source.Aligning Tailstock to HeadstockBefore proceeding, headstock should be aligned.See section labeled 〝Headstock Alignment〞.1. Fit a 305mm (12 〞 ) ground steel barbetween centers of the headstock andtailstock (Fig.27).2. Fit a dial indicator to the compound slideand traverse the center line of the bar, usingthe carriage movement.3. If tailstock adjustment is needed, alternatelyloosen and tighten front and rear hex socketcap screws (A, Fig.28).Fig.26Fig.27Fig.28 |
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