Wagner SprayTech 0558011 0558012 0558013 0558028 0558096 0558097 0558098 Paint Sprayer User Manual


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16 ProSpray 3.25
GB
Servicing Repairs at the unit
10. Servicing
10.1 General servicing
Servicing of the unit should be carried out once annually by the
WAGNERservice.
1. Check high-pressure hoses, device connecting line and
plug for damage.
2. Checktheinletvalve,outletvalveandlterforwear.
10.2 High-pressure hose
Inspect the high-pressure hose visually for any notches or
bulges,inparticularatthetransitioninthettings.Itmustbe
possible to turn the union nuts freely.
11. Repairs at the unit
Switch the unit OFF.
Before all repair work: Unplug the power plug
from the outlet.
11.1 Relief valve
1. Useadriftpunchof2mmtoremovethegroovedpin(Fig.
12, Item 1) from the relief valve handle (2).
2. Remove the relief valve handle (2) and cam base (3).
3. Usingawrench,removethevalvehousing(4)fromthe
pump manifold (6).
4. Ensure that the seal (5) is seated correctly, then screw the
new valve housing (4) completely into the pump manifold
(6). Tighten securely with a wrench.
5. Align the cam base (3) with the hole in the pump manifold
(6). Lubricate the cam base with grease and slide on the
cam base.
6. Bring the hole in the valve shaft (7) and in the relief valve
handle (2) into alignment.
7. Insert the grooved pin (1) to secure the relief valve handle
in position.
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11.2 Inlet and outlet valve
1. Remove the four screws in the front cover and then
remove the front cover.
Danger of crushing - do not reach with the
ngers or tool between the moving parts.
2. The piston rod will need to be in the lower stroke position:
a. Turn the pressure control knob to minimum pressure.
TheDESCscreenshouldsay“PRIME”.
b. Press the #1 key on the DESC control panel. The
“CREEPMODE”screenwillnowappear.
c. Slowly turn the pressure control knob clockwise to
increase the pressure. The crankshaft/slider assembly
will begin to move very slowly.
d. When it reaches the bottom, dead-center of its stroke,
turn the pressure control knob back to minimum
pressure. The crankshaft/slider assembly should stop.
3. Unplugthepowerplugfromtheoutlet.
4. Unit on high-rider cart:
Screw off the suction tube.
Unit on stand / low boy cart:
Remove the retaining clip from the connecting bend at the
suction hose and pull off the suction hose.
5. Screw off the return hose.
6. Swiveltheunit90°totherearinordertoworkmoreeasily
on the material feed pump.
7. Remove the pusher stem clip and slide the pusher stem
housing (7) from the inlet valve housing (1).
8. Unscrewtheinletvalvehousing(Fig.13,Item1)fromthe
pump manifold.
9. Remove the lower seal (2), lower ball guide (3), inlet valve
ball (4), inlet valve seat (5) and O-ring (6).
10. Clean all the parts with the corresponding cleaning agent.
Check the inlet valve housing (1), inlet valve seat (5)
and inlet valve ball (4) for wear and replace the parts if
necessary. If the worn inlet valve seat (5) is unused on
one side, install it the other way round.
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Uncontrolled Copy
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