Wagner SprayTech 3.31 Paint Sprayer User Manual


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ProSpray3.29•3.31 13
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Cleaning the unit (shutting down)
8. Cleaning the unit (shutting down)
A clean state is the best method of ensuring operation without
problems.Afteryouhavenishedspraying,cleantheunit.Under
no circumstances may any remaining coating material dry and
harden in the unit.
The cleaning agent used for cleaning (only with an igni tion point
above21°C)mustbesuitableforthecoatingmaterialused.
• , refer to the operating manual of
the spray gun.
Clean and remove tip.
For a standard tip, refer to Page 19, Section 12.2.
If a non-standard tip is installed, proceed according to the
relevant operating manual.
1. Remove suction hose from the coating material.
2. Closethereliefvalve,valvepositionSPRAY(p spray).
3. SwitchtheunitON.
4. Pull the trigger of the spray gun in order to pump the
remaining coating material from the suction hose, high-
pressure hose and the spray gun into an open container.
Attention





5. Immerse suction hose with return hose into a container
with a suitable cleaning agent.
6. Turnthepressurecontrolknobintothebluezone-
pulsating pressure for unit cleaning.
7. Open the relief valve, valve position PRIME
(k circulation).
8. Pump a suitable cleaning agent in the circuit for a few
minutes.
9. Closethereliefvalve,valvepositionSPRAY(p spray).
10. Pull the trigger of the spray gun.
11. Pump the remaining cleaning agent into an open container
until the unit is empty.
12. Switch the unit OFF.
 

Attention


Never spray down the unit with high-pressure or

Wipe down unit externally with a cloth which has been immersed
in a suitable cleaning agent.
 
Cleantheltercartridgeregularly.
Asoiledorcloggedhigh-pressureltercancauseapoorspray
pattern or a clogged tip.
1. Turnthepressureregulatorknobintotheblackzoneuntil
it stops (no pressure).
2. Open the relief valve, valve position PRIME
(k circulation).
3. Switch the unit OFF.

4. Unscrewthelterhousing(Fig.9,Item1).withastrap
wrench.
5. Pulltheltercartridge(2)fromthebearingspring(3).
6. Clean all the parts with the corresponding cleaning agent.
Ifnecessary,replacetheltercartridge.
7. Check the O-ring (4), replace it if necessary.
8. Place the bearing ring (5) against the bearing spring (3).
Slidetheltercartridge(2)overthebearingspring.
9. Screwinlterhousing(1)andtightenitasfaraspossible
with the strap wrench.
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