Jet JWS-25X Operating Instructions Manual

Also see for JWS-25X: Specifications Specifications Features

Jet JWS-25X Operating Instructions Manual Manual pdf 13 page image

13Changing Spindle SpeedReferring to Figure 4:The JWS-25X Shaper is equipped with pulleys thatallow you to change the spindle speed.The drive belt (C) placed on the upper pulleyposition (A) provides a 7,500 RPM spindle speed.The belt placed on the lower pulley position (B)provides a 10,000 RPM spindle speed.To change speed:1. Disconnect the machine from the powersource.2. Open the door located on the right side of thecabinet.3. Remove the belt tension by turning the tensionhandle (D) fully counterclockwise. This allowsthe motor (E) to swivel on its mounting hinge.4. Move the drive belt (C) as desired to the A or Bposition (Figure 4 shows belt in A position).5. Turn the tension handle (D) clockwise to re-secure the motor (E) and place tension on thedrive belt.Belt ReplacementReplace the drive belt (C) as follows:1. Disconnect the machine from the powersource.2. Open the door located on the right side of thecabinet.3. Turn the tension handle (D) fully counter-clockwise. This allows the motor (E) to swivelon its mounting hinge and removes sufficientbelt tension to permit easy removal.4. Remove the drive belt (C).5. Replace belt.6. Turn the tension handle (D) clockwise to re-secure the motor (E) and place tension on thedrive belt.Figure 4Drive Belt TensionThe drive belt should have sufficient tension toprevent slippage when the machine is in operation.If the tension on the belt needs adjustment:1. Disconnect the machine from the powersource.2. Open the door located on the right side of thecabinet.3. Adjust tension handle (D) clockwise toincrease belt tension or counterclockwise todecrease belt tension.