Procenter Systems, Chair Mounted Master ON/OFF Switch Valve Test and Repair

Procenter Systems Master On/Off Switch, Chair mounted

1.Turn air manual shut-off valve in junction box OFF.

2.Press air button of syringe(s) until all residual air pressure is removed from the system.

Equipment Alert

Residual air pressure will eject the plunger from the master ON/OFF switch valve. Be sure all air pressure is removed from the system before performing the following step

3.Remove six screws (1) and two screws (2); then partially separate front cover (3) and remove master switch (4).

4.Remove plunger (5) from valve (6).

5.Remove two screws (7) and partially separate instrument holder (8) from bottom housing (9); then slide valve (6) out of instrument holder.

6.Tag and disconnect 1/8 in. purple tubing and 1/8 in. red tubing from valve (6).

1.Connect 1/8 in. purple tubing and 1/8 in. red tubing to proper fittings of valve (6).

2.Slide valve (6) into instrument holder (8).

3.Secure instrument holder (8) to bottom housing (9) with two screws (7).

4.Install plunger (5) into valve (6).

5.Position master switch (4) and front cover (3) on bottom housing (9); then secure with two screws (2) and six screws (1).