Wagner SprayTech 505 User Manual download pdf (Page 12)

PRIMING

1. Lay unit back on its handle so inlet valve is facing up.

Fill inlet valve with water or light household oil.

2. Make sure Prime/Spray Knob is in Prime A position

and Pressure Knob is turned to the lowest pressure.

(Counter clockwise) See Figure 11. Turn unit on.

Pressure Control

Knob

PrimeA /Spray B

Knob

Hose Port

Inlet Valve Facing Up

Figure 11 - Prime/Spray Knob

3. Increase pressure half turn.

Figure 12 - Pressure Control Knob

4. Force the inlet valve to open and close by pushing on

it with the eraser end of a pencil or screwdriver, it

should move up and down about 1/16 inch. Continue

until water or oil is sucked into unit. This will assist in

wetting the moving parts and breaking loose any old

paint residue. See Figure 13.

PREPARE TO PRIME

Figure 13 - Opening Inlet Valve

5. Put palm of hand over inlet valve and feel for a slight

suction while increasing the pressure control to the

maximum setting. See Figure 14. If suction is felt go

to step 6. If no suction is felt see Cleaning and

Servicing Outlet Valve. ( Repeat steps 1 through 5 if

necessary.)

6. Turn Pressure Control Knob to minimum pressure

and shut off unit.

7. Return unit to upright position.

Figure 14 - Checking for Suction

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Wagner SprayTech 505 User Manual Page 12