Graco Ultra Max II 795 Repair Manual page 11

Removal
Relieve pressure; page 5.
1.
Wait 5 minutes before servicing.
2. Fig. 4. Remove four screws (38) and cover (96).
3. Disconnect display connector (A) from motor
control board (95).
4. Remove bottom two screws (39). Disconnect
potentiometer connector (C) from motor control
board (95). Disconnect power cord connectors (D)
and filter board connectors (J) from ON/OFF
switch (33) and remove control panel (68).
5. Disconnect motor control board power connectors
(K) from filter board (146).
6. Remove top two screws (39) and control box (61).
7. Disconnect transducer connector (E) from motor
control board.
8. Disconnect motor connectors (F, G and H) from
motor control board.
9. Remove five screws (27), three screws (102) and
motor control board.
Removal
Relieve pressure; page 5.
1.
Wait 5 minutes before servicing.
2. Fig. 4. Remove four screws (38) and cover (96).
3. Disconnect display connector (A) from motor
control board (95).
4. Remove bottom two screws (39). Disconnect
potentiometer connector (C) from motor control
board (95). Disconnect power cord connectors (D)
and filter board connectors (J) from ON/OFF
switch (33) and remove control panel (68).
5. Disconnect motor control board power connectors
(K) from filter board (146).
6. Remove four screws (163) from filter board (146).
240 Vac Motor Control Board
Installation
1. Fig. 4. Apply small amount of thermal compound
To reduce risk of motor control board failure, do not
overtighten screws (102) which can damage the
electric components.
2. Install motor control board (95) with five screws
3. Connect motor connectors (F, G and H) to motor
4. Connect transducer connector (E) to motor control
5. Connect motor control board power connectors (K)
6. Install control box (61) with top two screws (39).
7. Connect filter board power connectors (J) and power
8. Connect potentiometer connector (C) to motor
9. Install control panel (68) with two screws (39) .
10. Connect display connector (A) to motor control
11. Install cover (96) with four screws (38).
240 Vac Filter Board
Installation
1. Fig. 4. Install filter board (146) with four screws
2. Connect motor control board power connectors (K)
3. Connect filter board power connectors (J) to top
4. Connect potentiometer connector (C) to motor
5. Install control panel (68) with two screws (39).
6. Connect display connector (A) to motor control
7. Install cover (96) with four screws (38).
110009 (5) to shaded areas on rear of motor
control board (95).
CAUTION
(27). Torque to 9–11 in-lb (1.02 – 1.24 N·m). Install
and torque three screws (102) to values shown in
Fig 5.
control board.
board.
to filter board (146).
cord connectors (D) to ON/OFF switch (33).
control board.
board (95).
(163).
to filter board (146).
two terminals of ON/OFF switch (33) and power
cord connectors (D) to bottom two terminals of
ON/OFF switch.
control board (95).
board (95).
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