8
HERO 23D / Hero 23 / SF 23 Pro
3 REPAIRS AT THE UNIT
Switch the unit o.
Before all repair work: Unplug the power
plug from the outlet.
3.1 INLET VALVE
Disassembly
1. Place the enclosed 30 mm wrench on the housing (1).
2. Loosen the housing (1) with light blows of a hammer on
the end of the wrench.
3. Screw out the 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
necessary.
8. Check all the valve parts for damage. In case of visible
wear replace the inlet valve.
Installation
1. Insert the inlet valve (2) into the housing (1) and secure
with the clasp (3). Ensure that the (black) seal (5) is mount-
ed in the housing.
2. Screw the unit from the housing and the inlet valve into
the paint section. The same (black) seal (6) has to be
mounted in the paint section.
3. Tighten the housing with the 30 mm wrench. The torque
for tting the inlet valve is 90 Nm.
1
3
2
5
6
4
REPAIRS AT THE UNIT
GB
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