I have a SHP1900 or SHP2000 and the detergent function doesn’t work
To engage the detergent tank on either the SHP1900 or SHP2000 do the following:
- Put hot water in the detergent tank.
- Hook up power and water to the unit
- Have the black Soap nozzle in the spray gun.
- Turn on the water and power
- Squeeze and hold the trigger for 10-15 seconds
- While the water is flowing through the gun, squeeze the detergent tube above the detergent tank.
- Hold the squeeze for 5-6 seconds
- Release the detergent tube, continue squeezing the trigger so water continues to flow through the gun
- Repeat this three times in succession.
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