Operating Instructions and Parts Manual | AL2810 |
Airless Paint Systems
Electrical System (Cont.)
and remove knob.
5.Using a 1/2” nut driver or 1/2” deep socket, remove nut from pressure control shaft. This will allow removal of electrical control board from frame.
6.Replace electrical board assembly in reverse order. Adjust pressure according to the procedure given in Pressure Calibration on Electrical Board section.
PRESSURE CALIBRATION ON ELECTRICAL BOARD
1.Turn "Pressure Calibration" Trimpot adjustment on electrical control board in the counter clockwise direction at least 15 revolutions.
2.Connect 5000 psi glycerine pressure
guage on output of pump between fluid pump and airless hose to monitor Fluid Pump Pressure.
3.Start engine and run at maximum RPM. Turn Prime/Pressure Relief Valve to the open (Prime) position. Turn Pressure Control Knob to maximum position (fully clockwise).
4.Using an insulated screwdriver, adjust "Pressure Calibration" Trimpot by turning clockwise until the clutch engages. When the clutch engages the pump will commence Priming. When pump is primed, turn the Prime/Pressure Relief Valve to the Closed (Pressure) position. The pump will begin to pressurize and the clutch will disengage at a low pressure. Continue turning the Trimpot
clockwise to increase pressure to 3000 psi.
5.Trigger gun. The pressure should drop approximately
6.Turn Pressure Control Knob to minimum position. The clutch should disengage and pump stop moving.
7.Secure leads with tie strap.
8.Replace cover on unit. Ensure the leads are not pinched or damaged in the process of replacing covers.
Figure 8 - Electrical Board/Pressure Calibration
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