1.Disconnect all electrical power to operatory.

2.Turn master ON/OFF switch on delivery unit to OFF position.

3.Remove solids collector cover (1) and screw (2).

4.Remove four screws (3) and partially separate top cover (4) from bottom housing (5).

5.Disconnect wire harness (6) from bevel/touch pad (7); then remove top cover (4).

6.Remove screw (8), bracket (9), and bevel/touch pad (7) from top cover (4).

1.Secure bevel/touch pad (7) to top cover (4) with bracket (9), and screw (8).

2.Connect wire harness (6) to bevel/touch pad (7).

3.Install top cover (4) and secure to bottom housing (5) with four screws (3).

4.Install screw (2) and solids collector cover (1).

5.Turn master ON/OFF switch on delivery unit ON, connect electrical power to operatory, and check for proper operation.