Husqvarna T 4000 Manuel D'utilisation page 11

system and should also be done when work is
completed or when there is poor suction..
CAUTION:
items across the filter surface as this will
damage the filter.
CAUTION:
the filters.
1. While running the dust extractor, seal the inlet using
the inlet plug or the inlet valve.
2. Let the dust extractor build up vacuum for 5
seconds, then quickly push and hold down the Jet
Pulse handle for 5 seconds.
3. Repeat step 2 five times. It is important to let the
dust extractor rebuild the vacuum in between every
repetition.
4. If suction remains poor, the filter should be replaced.
Only replace plastic bag after cleaning the filter.
The pre filter
Only use Husqvarna filters. Performance and filtration
efficiency can only be assured with original filters.
WARNING:
tube. If one is broken, it is necessary to
replace the complete filter.
To change the pre filter
1. Loosen the 2 toggle fasteners between the tank and
the lower cyclone.
2. Loosen the 2 toggle fasteners at the hose
connection between the tank and the Hepa filter
cover.
3. Rotate the tank forward.
4. Rotate the filter plate anticlockwise 10 degrees and
carefully turn the filter and holder upside down.
5. Put a plastic bag above the filter unit.
6. Lift out the filter carefully in the bag and close it.
The bag must be discarded. Refer to local disposal
regulations.
7. Put on a new complete filter package in reverse
order.
To change the pre- filter, T 4000
CAUTION:
filter in order to clean it, use only low
pressure water from the inside through to
the out. Hitting the filter with force, high
pressure water or use of compressed air will
destroy the filter. The filter must be 100%
dry before returning into the housing.
877 - 006 - 03.02.2022
Avoid hitting or dragging
Do not use water to clean
Do not replace only one
When you remove the pre-
1. Loosen the 3 toggle fasteners and remove the top.
2. Take the bag from the new filter.
3. Lift out the filter and place it gently in a plastic bag.
Note:
This bag must be properly disposed.
4. Lift out the filter and place it gently in a plastic bag.
To change the Hepa filter
CAUTION:
trying to clean a Hepa filter will destroy it.
When installing the replacement filter, make
sure to not touch the inside of the filter. Any
kind of force/damage on the inside of filter
media will destroy the new filter..
CAUTION:
surface of the filter when installing a
replacement Hepa filter. Damage to the
inner surface of the filter can make it
unserviceable.
1. Loosen the toggle fasteners on the filter cap and
remove it.
2. Carefully lift the filter into a clean plastic bag.
Note:
This bag must be properly disposed.
3. Insert a new filter in reverse order.
To install a new Longopac dust bag
WARNING:
before you replace the Longopac dust bag.
1. Put the Longopac dust bag in the holder.
Do not clean Hepa filter,
Do not to touch the inner
Always clean the prefilter
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