Tritech T7 Manual De Instrucciones página 48

REPLACE CONTROL BOX
Follow pressure relief procedure before attempting to service or repair unit.
1. If trouble shooting guide suggests replacing the control box follow the directions below.
2. Remove 4 screws #40 and remove cover plate #70.
3. Unthread transducer from fluid manifold #9.
4. Disconnect motor and cap leads from circuit board. See Diagram "D/E"
5. Remove 2 mounting screws #57 from bracket #87. Unthread filter housing for easier access.
6. Remove control box containing circuit board, On/Off switch and potentiometer
7. Replace in reverse order. Note: By removing motor housing will make it easier to install control
box.
Note: Although the Circuit board, tranducer, On/Off switch and potentiometer are sold individually they are
supplied together with replacement Control Box assembly.
REPLACE CIRCUIT BOARD
Follow pressure relief procedure before attempting to service or repair unit.
If trouble shooting guide suggests replacing the Circuit Board follow the directions below.
1. Remove 4 screws #40 and remover cover plate #70.
2. Disconnect Transducer #89 from circuit board. See diagram "D/E" and for below.
3. Disconnect the leads from potentiometer #82 to circuit board
4. Disconnect the leads from motor # 44 to the circuit board
5. Disconnect lead from On/Off switch #80 to circuit board.
6. Remove 4 screws #74 mounting Circuit Board.
7. Replace in reverse order.
Note: It is reccommended to wear surgical gloves when handling circuit board. They will reduce contaminates
that may come in contact with the circuit board.
REPLACE POTENTIOMETER
Follow pressure relief procedure before attempting to service or repair unit.
If trouble shooting guide suggests replacing the potentiometer follow the directions below.
1. Remove 4 screws #40 and remove cover plate #70.
2. Disconnect the leads from potentiometer # 82 to circuit board and remove knob #85. Remove
potentiometer # 82.
3. Replace in reverse order.
REPLACE TRANSDUCER
Follow pressure relief procedure before attempting to service or repair unit.
If trouble shooting guide suggests replacing the transducer follow the directions below.
4. Remove 4 screws #40 and remove cover plate #70.
5. Unplug the wire from #89 to circuit board.
6. Loosen housing #90 and with needle nose pyers slide traducer from filter manifold.
7. Remove 2 screws #57. Make sure to firmly hold control box in place.
8. Remove tranducer by guiding the wire through the circuit board and out the back of the control
box.
9. Install new transducer by sliding the wire through grommet #91 and guiding the wire through
grommet #86 and continuing through the circuit board.
10. Connect tranducer to the circuit board and reinstall screws #57.