Wagner SprayTech Finish 250 Manuel D’Utilisation

16

Switch the unit off .
Before all repair work: Unplug the power 
plug from the outlet.

1.  Use a 17 mm spanner to screw out the inlet valve button.
2.  Replace the wiper (1) and O-ring (2).

1.  Place the enclosed 30 mm wrench on the trigger housing 

(1).

2.  Loosen the trigger housing (1) with light blows of a ham-

mer on the end of the wrench.

3.  Screw out the trigger housing with the inlet valve (2) from 

the paint section.

4.  Pull of the clasp (3) using the enclosed screwdriver.
5.  Place the enclosed 30 mm wrench on the inlet valve (2). 

Turn out the inlet valve carefully.

6.  Clean the valve seat (4) with a cleaning agent and brush 

(ensure that no brush hairs are left behind).

7.  Clean the seals (5, 6) and check for damage. Replace, if ne-

cessary.

8.  Check all the valve parts for damage. In case of visible 

wear replace the inlet valve.

REPAIRS AT THE UNIT

1.  Insert the inlet valve (2) into the trigger housing (1) and 

secure with the clasp (3). Ensure that the (black) seal (5) is 
mounted in the trigger housing.

2.  Screw the unit from the trigger housing and the inlet val-

ve into the paint section. The same (black) seal (7) has to 
be mounted in the paint section.

3.  Tighten the trigger housing with the 30 mm wrench and 

tighten with three light blows of the hammer on the end 
of the wrench. (Corresponds to approx. 90 Nm tightening 
torque).

1.  Use a 22 mm wrench to screw the outlet valve from the 

paint section.

2.  Carefully pull of the clasp (1) using the enclosed screwdri-

ver. The compression spring (2) presses ball (4) and valve 
seat (5) out.

3.  Clean or replace the components.
4.  Check the O-ring (7) for damage.
5.  Check the installation position when mounting the spring 

support ring (3) (clipped onto spring (2)), outlet valve seat 
(5) and seal (6), refer to fi gure.

1

2

2

5

3
1

6

4