Replacement of Grinding Belt, Replacement of Inverter

Replacement of Grinding Belt

WARNING: DO NOT OPERATE THE MACHINE WITH THE SIDE PANEL OPEN. DISCONNECT ELECTRI- CAL POWER TO THE MACHINE BEFORE PERFORM- ING ANY MAINTENANCE.

1.Refer to Figure 7. Lower the belt tension lever to release tension on the belt.

2.Loosen the knob on the left side of the machine and raise upper guard. Turn the knob on the side panel and lower the side panel.

3.If required, loosen work rest to provide clearance for belt removal.

4.Remove the belt from the drive wheel, idler wheel, and contact wheel. Install the replace- ment belt over the drive wheel, idler wheel, and contact wheel.

5.Raise the belt tension lever to tighten the belt against the wheels. Tighten the belt until it is just taut. A moderate tension will provide faster cutting, longer belt life, and better tracking. Do not over-tension the belt.

6.Check belt tracking by spinning the drive wheel by hand. Adjust tracking if required. (Refer to Checking Belt Tracking.)

2.Spin the drive wheel by hand and check track- ing of the belt. If the belt tracks either right or left, adjustment is required.

3.Use an Allen wrench to change the alignment of the idler wheel. Turn the idler adjustment screw clockwise to cause the belt to track right. Turn the idler adjustment screw counterclock- wise to cause the belt to track left.

4.Close side panel and secure by turning the knob on the panel. Lower the upper belt guard and secure with the knob on the left side of the grinder.

5.Connect electrical power and start the grinder. Check belt tracking (the belt should be cen- tered on the contact wheel.

6.If required, adjust belt tracking to center the belt on the contact wheel. Turn the idler adjustment screw clockwise to move the belt to the right. Turn the idler adjustment screw counterclockwise to move the belt to the left.

7.If the belt does not track properly, increase belt tension. Repeat steps 1 through 6.

	Upper
Idler Wheel	Guard
Grinding
Belt
	Drive
	Wheel
Contact
Wheel	Side
	Side
	Panel

Figure 7: Replacement of Grinding Belt

Replacement of Inverter

WARNING: DISCONNECT ELECTRICAL POWER

TO THE MACHINE BEFORE PERFORMING ANY

MAINTENANCE.

1.Disconnect electrical power.

2.Remove access panel on front of inverter. Disconnect inverter wiring.

3.Remove four screws (1) and four nuts (6) from inverter (2). Separate inverter (2) from mount

(4).

4.Install replacement inverter (2) and secure with four screws (1) and four nuts (6).

5.Connect electrical wiring (refer to Wiring Diagram section for connections).

6.Start belt grinder and check for proper opera- tion.

Checking Belt Tracking

WARNING: DO NOT OPERATE THE MACHINE WITH THE SIDE PANEL OPEN. DISCONNECT ELECTRI- CAL POWER TO THE MACHINE BEFORE PERFORM- ING ANY MAINTENANCE.

1.Loosen the knob on the left side of the machine and raise upper guard. Turn the knob on the side panel and lower the side panel.

NOTE: Inverter is pre-programmed at the factory, further programming is not required.