Graco 190ES 309063F Repair Manual page 17

On/Off Switch Replacement
100 Vac (232903)
Removal
1.
Relieve pressure; page 6.
2. Fig. 13. Remove four screws (18) and pressure
control cover (39).
3. Disconnect four wires (A) from ON/OFF
switch (23).
4. Remove toggle boot (25) and locking ring (24).
Remove ON/OFF switch (23).
25
24
23
18
39
Caution
Heat from inductor coil of filter board
may destroy wire insulation that
comes in contact with it. Exposed
wires could cause shorts and com-
ponent damage. Bundle and tie all
loose wires so none lay in contact
with inductor coil of filter board.
Fig.
13
37
35
A
36
22
D
52
ON/OFF
Switch
Blue
Yellow
from Motor
Power
Plug
Brown
Green/
Yellow
Installation
1. Install new ON/OFF switch (23). Install locking ring
(24) and toggle boot (25).
2. Connect four wires (A) to ON/OFF switch (23).
3. Install pressure control cover (39) with four
screws (18).
E
Wiring Diagram
ti0056b
Filter Board
TP2
Brown
TP1
L2 L1
Blue
Red (+)
Black (--)
Capacitor
Red (+)
Brown
Blue
Pressure
Transducer
Potentiometer
TI0059
17
309063