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To replace filters
Only W 70 and W 70 P have an extra filter to slurry foam
from particles.
1. Disconnect the power cord. Remove the pump
cable.
2. Loosen the 3 toggle fasteners to remove the top.
3. Lift off the filter holder with the filter.
4. Loosen the nut on the filter holder and remove the
filter cap and the filter.
5. Do a check of the gasket on the filter holder.
Replace the gasket if it is damaged.
Troubleshooting schedule
Issue
Motor does not start
Motor stops immediately after
starting
Motor runs but there is not suc-
tion
Motor runs but there is poor suc-
tion
Dust blown from motor
Poor pumping
Abnormal noise
3
Only applicable on W 70 and W 70 P.
4
Only applicable on W 70 P and W 250 P.
10
Troubleshooting
Cause
No power
Cable defective
Switch defective
Wrong fuse
Shortcut in cable/machine
Hose not connected
Hose blocked
Floating device activated.
Hole on the hose
Filter clogged
Loose suction unit
Dirt in the hose or intake
Defective gaskets
Blocked or defective check valve.
Wrongly assembled or damaged filter system
The pump or tubes are blocked
6. Assemble the new filter.
7. Clean all other parts.
Floating device
A floating device protects the motor from liquid.
•
Visually examine the floating device regularly to
make sure that it is not damaged and free of
blockage. Do not use the product if you see that
floating device has even a small damage.
When the floating device is activated, the you have to
stop the motor. Remove the water before you start the
motor.
3
4
Solution
Connect the product
Replace the cable
Replace the switch
Connect to correct fuse
Order service
Connect the hose
Clean hose
Inspect water level and dam-
ages on the float.
Replace hose
Clean filter/ Replace filter
Adjust
Clean the hose and intake
Replace affected gaskets
Clean or replace the check
valve.
Adjust/ Replace filters
Clean the pump, check valve
and hose
Order service
1056 - 007 - 09.12.2024
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