12.9 INSULATION TEST WITH 1000 VOLTS DC
DURING DEVICE INSPECTION BY SERVICE
Switch the unit o.
Before all repair work: Unplug the power plug
from the outlet.
1. Open the front cover of the heating hose drum.
2. Detach one of the two heating conductors from the termi-
nal and connect to a pole of the high-voltage tester.
3. Connect the other pole of the tester to the ground of the
leadthrough housing and perform test.
12.10 TYPICAL WEAR PARTS
Despite the use of high-quality materials the highly abrasive
eect of the paints means that wear can occur at the follow-
ing parts:
Inlet valve (spare part Order No.: 0341254)
For replacing refer to Section 12.2
(failure becomes noticeable through performance loss and/or
poor or no suction)
Outlet valve (spare part Order No.: 0341702)
For replacing refer to Section 12.3
(failure becomes noticeable through performance loss and/
or poor suction) The outlet valve is usually considerably more
durable than the inlet valve. Thorough cleaning may already
help here.
Relief valve (spare part Order No.: 0341248)
For replacing refer to Section 12.5
(failure is noticeable through performance loss. Furthermore
material arrives constantly at the return hose although the
multifunction switch is set to spraying.
This part is relatively seldom a wear part.
REPAIRS AT THE UNIT
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