1. PRESSURE SWITCH (normal open) Closes when 30 psi of pressure is maintained.
2. Differential PRESURE SWITCH (normal open) Closes when 5 cfms of air flow is maintained or when a air leak is present.
3. Combination gauge and SAFTEY SWITCH (normal closed)Interrupts electrical flow to the clutch stopping pumping
(not engine) when pressure reaches 1000 psi. .
4. BRIDGE RECIFIER converts AC voltage from the engine lighting coil to DC voltage which energizes the clutch.
5. 4 WAY VALVE (active when main switch is in the spray mode and switches 1 and 2 are closed) Controls air to dump
cylinder, positioning piston so as to close off the dump outlet on the dump cylinder enabling material to be sprayed.
( When power is off 4-Way valve returns to the dump position relieving pressure.
GM 1030 Tex Sprayer
Under
Pressure
Switch
+
-
AC
AC
Com.
N.O.
N.C.
Red from Engine
Under Pressure
Switch
Flow
Switch
1
2
3
4
5
4 Way
Soleniod Valve
Rectifier
Pressure
Gauge with built
in Over pressure
switch.
Yellow
White to Clutch
Black to Clutch
Black
White
GROUND
Black
Black
Red
Red
Blue
Blue
Brown
Red
Red
Red
AC
AC
DC +
DC -
Clutch Coil
Engine
GROUND
Com
NC
NO
Flow
Switch
External
Pressure
Switch
Main Switch
in OFF postion
1
2
3
4
5
4 Way
Soleniod
Valve
Blue
Blue
Red
Red
Red
Red
Red
(+)
(-)
Rectifier
Prime
Blue
Spray
Blue
Red
Brown
Black
White
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