C397
12
02/2013
VHT37EXP
US
Recommended spare parts
The following is a list of spare parts that should be kept ready at hand in order to speed up maintenance operations.
Refer to the manufacturer’s spare parts catalog when ordering spare parts. Please contact the manufacturer’s sales network
when seeking spare parts for special machine variants or options.
Description
Model
VHT37EXP
Star lter kit 40000425
Filter ring gasket ss 8-17126
Filter chamber gasket 40000762
Filter clamp Z8 18079
Replacement upstream absolute (HEPA) lter 4081700935
Troubleshooting
Problem Cause Remedy
The vacuum cleaner suddenly stops
Clogged primary lter Shake the lter. Replace it if necessary
Clogged vacuum hose Check the vacuum hose and clean it.
Circuit breaker activation
Check the setting.
Check the motor electrical input. Contact
an authorized after-sales service center if
necessary.
Dust leaks from the vacuum cleaner
The lter is torn Replace it with another of identical type.
Inadequate lter
Replace it with another of a suitable category
and check.
The vacuum cleaner blows instead of
vacuuming
Incorrect connection to the electrical mains
Ask for assistance from qualied personnel to
perform the correct phase connection.
See page 8: “Starting/stopping the vacuum
cleaner.”
Electrostatic current on the vacuum
cleaner
Non existent or inefcient grounding
Check all ground connections. Especially check
the connection at the inlet. See test for ground
continuity on page 2
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