Jet Tools JML-1014 - Manual (Page 9)

Changing Spindle Speeds
1. Disconnect the machine from the power
source (unplug).
2. Open the access doors at the left side of the
base (A, Fig. 6), and at the back side of the
headstock (A, Fig. 7).
3. Loosen the motor plate lock handle (A, Fig.
8). Lift up on the motor plate handle (B, Fig.
8) to take tension off the belt.
4. Move the belt (B, Fig. 6) to the desired
pulley groove according to the speed chart
found on the inside of the headstock access
door. Be sure the belt is aligned with
spindle pulley and motor pulley.
5. Tension the belt by pushing down on the
motor plate handle (B, Fig. 8) and lock in
place.
Belt Replacement
1. Disconnect the machine from the power
source (unplug).
6. Open the access doors at the left side of the
base (A, Fig. 6), and at the back side of the
headstock (A, Fig. 7).
2. Loosen the motor plate lock handle (A, Fig.
8). Lift up on the motor plate handle (B, Fig.
8) to take tension off the belt.
3. Loosen the set screw (B, Fig. 7) on spindle
pulley (upper).
4. Loosen two set screws in handwheel (C,
Fig. 7). Unscrew the handwheel while
holding onto the spindle.
5. Remove handwheel and pull the spindle out
while holding onto the spindle pulley.
6. Place the new belt on the spindle pulley.
Place the spindle pulley back into the
headstock the same way it was removed.