527xxxx
0101000000
Pump Model: 5277981
Inlet
Outlet
Available Replacement Parts
and touch the two ends together. If your pump runs when you do this,
Remove the cap to the pressure switch. Pull both red wires off of their terminals,
12 volt power source. Make sure your on/off switch is in the 'on' position.
Check for defective pressure switch. Make sure you are connected to a good
is in the 'ON' position. "I" is the 'ON' position, and 'O' is the 'OFF' position.
Make sure the 'ON/OFF' switch in the lead wire assembly
Pump 'Model' Number
Motor continues to run after discharge is shut off:
°
Check the fuse.
Check for defective pressure switch.
Check for defective or dirty check valve.
Check for leak in discharge line.
Check for low voltage.
Check for open bypass valve. (if equipped)
Check for empty product supply.
Check for clogged strainer.
Discharge hose may be too long.
Check for debris in nozzle orifice.
Check for restriction in the discharge line.
Check for leaks in the discharge line.
Check for defective pressure switch.
Pulsating flow (surging):
Check for empty product supply.
Check for cracks in the pump housing.
Check for clogged strainer/filter.
Check for defective check valve.
Check for debris in the check valve assembly.
Check for air leaks in supply line.
Pump does not prime:
Check for low voltage at the power supply.
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
°
12 Volt Connection
Fuse
Check for loose wiring connection(s).
Motor does not run:
Troubleshooting the Pump:
your pressure switch will need to be replaced.
3
°
°
°
7
6
5
2
8
9
4
10
5
Pump 'Serial' Number
4.5 Amps @ 30 PSI
2.1 GPM @ Open Flow
3.19
DC = Direct Current
PSI = Pounds per Square Inch
GPM = Gallons Per Minute
Liquid Temperature:
Wetted Parts Housing:
Motor Voltage:
Pump Specifications
2.25
Diaphragm:
Port Type:
Check Valve:
Current:
Flow Rate:
130 F max.
°
Santoprene
Polypropylene
12 Volts DC
Plug-In Port
Viton
Mounting Feet (Pkg of 4)
Diaphragm/Piston/Cam/Bearing Kit
Check Valve Kit (w/O-Ring)
Pkg. (2) Clips (Port Fitting)
Pressure Switch Assembly
Upper Housing Assembly
Port Kit Fitting, 3/8" Hose Barb
Port Kit Fitting, 1/2" Hose Barb
Port Kit Fitting, 1/2" MNPT
7.5 Amp 'Mini Blade' Fuse
11
Description
Qty
Number
No
5095202
5168838
5168820
20408-000
5157202
5168839
5168837
5168836
5168833
5168832
5157205
8
11
10
9
4
7
6
5
3
2
1
Plunger Kit
1
1
1
1
1
1
1
1
1
1
1
Item
Part
(Here on Label)
(Here on Label)
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