Jet HVBS-56V Operating Instructions Manual

Jet HVBS-56V Operating Instructions Manual Manual pdf 11 page image

11If teeth do not orient properly regardless of howblade is positioned, turn blade inside-out.Tension blade enough to hold in place.Figure 7-2Figure 7-36. Install red blade guards with screws.7. Tension blade fully (see sect. 7.3 Bladetension.)8. Place 2 to 3 drops of lightweight oil on blade.9. Connect machine to power source.10. Operate saw and make sure blade is trackingproperly (sect. 7.6, Blade tracking.)11. Follow blade break-in procedures, sect. 8.2.7.5 Blade guide bearings1. Disconnect band saw from power source.2. Loosen bolt (H, Figure 7-4) and adjustassembly so that rear bearing (J) is slightly setback from back edge of blade. Also, insidebearing (K) should very lightly contact blade.Tighten bolt (H).3. Inside bearing (K) is fixed. Outside bearing (L)rotates on an eccentric shaft. Loosen top nut(L 1 ) and rotate bottom nut (L 2 ) to adjusteccentric bearing to very slight distance awayfrom blade.4. Hold bottom nut (L 2 ) to prevent it turning further,and retighten top nut (L 1 ).5. Repeat above steps for opposite blade guideassembly.Figure 7-47.6 Blade trackingBlade tracking adjustmentrequires running saw with back cover open. Usecaution when making this adjustment. Failure tocomply may cause serious injury.Blade tracking has been set by the manufacturerand should not need immediate adjustment. If bladetracking should ever require adjustment:1. Confirm that blade tension is set properly. Toadjust, see sect. 7.4, Blade tension.2. Raise bow to vertical position and open bladecover.While performing thefollowing steps, keep blade from rubbingexcessively on wheel flange. Excessiverubbing will damage wheel and/or blade.3. Run saw at low speed and observe blade.Blade should run next to but not tightly againstwheel flange.4. Loosen bolts (M, Figure 7-5) with 12mmwrench.5. Turn set screw (N) with 4mm hex wrench, whileobserving blade tracking on wheel. Turn setscrew clockwise to track closer to wheel flange.Turn set screw counterclockwise to track awayfrom wheel flange.NOTE: This adjustment is sensitive; start with1/4 turns on the set screw and allow blade torespond to changes.6. Once tracking is set, tighten bolts (M).