Graco ultimate mx ii, Repair Manual

Page: 28 / 48

Pressure Control Board
28 311365H
110 Vac U.K. Filter Board
Removal
1. Remove four screws (38) and cover (96).
2. Disconnect display connector (A) from motor
control board (52).
3. Remove bottom two screws (39). Disconnect
potentiometer connector (C) from motor control
board (52). Disconnect filter board connector
(J) and power cord connector (D) from ON/OFF
switch (33). Remove control panel (68).
4. Disconnect motor board control power
connectors (K) from filter board (146).
Disconnect filter connector (L) from power cord
connector (L).
5. Remove four screws (163) from filter board
(146).
Installation
1. Connect motor control board power connectors
(K) to filter board (146). Connect filter
connector (L) to power cord connector (L).
2. Install filter board (146) with four screws (163).
3. Connect filter board power connector (J) and
power cord connector (D) to ON/OFF switch
(33).
4. Connect potentiometer connector (C) to motor
control board (52).
5. Install control panel (68) with two screws (39).
6. Connect display connector (A) to motor control
board (52).
7. Install cover (96) with four screws (38).
Relieve pressure; page 9. Wait 5 minutes before
servicing.