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Pump
NOTICE
DO NOT run the pump dry. Excessive heat will damage
the pump's rollers and seals.
1. To activate the pump, push the pump control lever
forward until it latches in the forward position
(Figure 30). The self-priming pump will begin to
displace liquid within a few seconds.
NOTICE
A squirt of oil into the inlet side of the pump before
starting will accelerate the priming action.
Figure 30. Engage Pump
2. Make sure the appropriate spray tip for the
desired application is installed onto the spray gun
(Figure 31). Always refer to the chemical manufacturer's
recommendations when selecting a spray tip. Refer to
Table 8 for spray tip selection information.
WSC55 SERIES CHEMICAL SPRAY CART • OPERATION AND PARTS MANUAL — REV. #1 (08/30/19) — PAGE 31
3. Aim the spray gun and pull the trigger to disperse
PUMP
CONTROL
LEVER
4. Turn the pressure regulator on the pump (Figure 33)
Figure 31. Spray Tip Installation
liquids onto their final application (Figure 32). Release
the spray gun trigger to stop dispersion.
Figure 32. Liquid Dispersion
to adjust the spray pressure as needed.
Figure 33. Pressure Regulator
OPERATION
PRESSURE
REGULATOR
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