Jet HVBS-56M Operating Instructions And Parts Manual

Also see for HVBS-56M: Brochure Owner's manual Operating instructions and parts manual

Jet HVBS-56M Operating Instructions And Parts Manual Manual pdf 11 page image

117.4 Blade tension1. Disconnect band saw from power source.2. Open blade cover by removing knob and 2screws (G, Figure 15). Observe position ofblade on wheel. If blade is not adjacent to wheelflange, adjust blade tracking according to sect.7.7, Blade tracking.3. If blade is adjacent to wheel flange, loosenblade guide assembly handle and bolt (B and D,Figure 14) and slide blade guide assemblies asfar apart as possible. Lock in place.4. Push on blade to test tension. Finger pressureshould cause approximately 0.004" deflection.Turn blade tension knob (F, Figure 15) untilproper tension is achieved. Reposition guidesfor cutting material.7.5 Blade changes1. Disconnect band saw from power source.2. Raise bow to vertical position and secure inplace with support.3. Open blade cover.4. Remove red blade guards by removing twoscrews.It is essential these redguards be installed after new blade has beenfitted. Failure to comply may cause seriousinjury.5. Release tension on blade by turning tensioningknob (F, Figure 15). Remove blade.Figure 156. Place new blade between blade guideassemblies and around each wheel. Make sureblade teeth are pointing in proper direction(Figure 16). Tension enough to hold in place.Figure 167. Install red blade guards with screws.8. Tension blade fully (see sect. 7.4 Bladetension.)9. Place 2 to 3 drops of lightweight oil on blade.10. Connect machine to power source.11. Run saw and make sure blade is trackingproperly (sect. 7.7, Blade tracking.)12. As a general rule, the thinner the material to becut, the more teeth per inch on the blade. Aminimum of three teeth should be in contactwith the material at all times during the cut. Ifthe teeth straddle the material, severe damagecan result to material and blade.13. Follow blade break-in procedures, sect. 8.1.7.6 Blade guide bearings1. Disconnect band saw from power source.2. Loosen bolt (H, Figure 17) and adjust assemblyso that rear bearing (J) is approximately 0.002to 0.003 inches from back of blade. Also, insidebearing (K) should very lightly contact blade.Tighten bolt (H).Figure 173. Inside bearing (K) is fixed. Outside bearing (L)rotates on an eccentric shaft. Loosen top nut(L1 ) and rotate bottom nut (L2 ) to adjusteccentric bearing to a clearance of 0.001 inchesfrom blade.