ZUWA Solarcheck Mobilcenter
18
6. Maintenance
Danger
Danger of death due to electric shock
>
Prior to work on the pump, always disconnect the drive from the
power supply.
Caution
Danger of environmental damage due to hazardous pumped media
>
Collect escaping pumped media and dispose of according to the
locally applicable regulations.
6.1 Connections
>
Check regularly if hose couplings are tight.
6.2 Cleaning the filter
There is a built-in fine filter on the suction side of the pump to filter out sold and welder
residues.
Check the inspection window at the filter regulraly and clean the filter when you see
dirt deposits on the strainer:
>
Screw off the filter casing, remove the strainer and clean both with rinsing water or
compressed air.
7. Troubleshooting
Fault
Possible cause
Remedy
Pump does not take in
liquid
Suction hose between tank
and pump is not leaktight
Seal hose connection or
suction line
Stop valve at the tank outlet
closed or tank empty
Open the stop valve or
fill the tank
Filter clogged
Clean the filter (see
chapter 6, maintenance)
Pump does not build up
pressure
Pressure line blocked
Clean pressure hose
Stop valve at the tank outlet
closed
Open stop valve
Filter clogged
Clean the filter (see
chapter 6, maintenance)
Motor is noisy - pump does
not start
Impeller is stuck in pump
head
Unfasten 3 screws from
pump head. Remove
pump head, pull out and
clean impeller
Capacitor broken
Replace
