Remedy In Case Of Faults; Electric Motor; Hydraulic Motor - WAGNER HC 55 E-SSP Operating Manual

Cleaning the unit (shutting down)
Intake filter in Airless spray gun
Dismounting (fig. 16)
1.
Pull protective guard (1) forward vigorously.
2. Screw grip (2) out of the gun housing. Remove
intake filter (3).
3. Intake filter congested or defective – replace.
Mounting
1. Place intake filter (3) with the long cone into the gun
housing.
2. Screw in grip (2) into the gun housing and tighten.
3. Slot in protective guard (1).

9. Remedy in case of faults

9.1 Electric motor

Type of malfunction
Unit does not start
HC-55 E, HC 55 E-SSP
(400 V)
Piston rod in the material
feed pump is not moving
up and down.

9.2 Hydraulic motor

Type of malfunction
Hydraulic motor stuck
in the lower position.
46
Possible cause
Control lamp does not indi-
cate operational readiness.
No voltage.
The unit switches off auto-
matically in case of overloa-
ding.
The unit does not switch
on again independently.
Direction of rotation of
electric motor is incorrect.
Possible cause
Outlet valve seat in the
material feed pump is
loose.
Reversing valve in the
hydraulic motor is stuck
or the upper or lower he-
xagonal nut on the valve
rod has become loose.
g
1
Measure for elimination of malfunction
Check voltage supply.
Switch the unit back on after 2 – 3 minutes.
Turn polarity changer in power plug by 180°.
Measure for elimination of malfunction
Ball valve on the material feed pump – lever position
vertical. Screw out sealing screw on hydraulic motor.
Press down reversing valve on hydraulic motor. Remo-
unt sealing screw. Start unit. The piston rod moves
upward and then gets stuck in the lower position. The
cause is a loose outlet valve seat.
Problem to be solved by Wagner personnel.
Problem to be solved by Wagner personnel.
Remedy in case of faults
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2 7
HC 35 E • HC 45 E • HC 55 E
3
2