To Clean The Dust Extractor; To Clean The Pre Filter; Before You Change The Filter; To Change The Pre- Filter - Husqvarna T 4000 Petrol Manual Del Usuario

Operation
Inspect the magnetic
3
clutch.

To clean the dust extractor

It is important to clean the dust extractor to prevent
circulation of dangerous dust. Always clean the dust
extractor before it is moved from the work area.
WARNING: Turn the motor switch to its OFF
position before you clean or do maintenance
to the product.
• All equipment once used must be regarded as
contaminated and be treated thereafter.
• All parts that are contaminated after service work
must be disposed in a correct procedure in plastic
bags. Refer to local regulations.
• Use correct personal equipment when you clean the
Personal protective equipment on
product. Refer to
page 7 .
• Clean the external surface with a moist cloth.
• Clean the filters and the dust extractor in applicable
area.
• Vacuum the pre-filter from the outside. Always use
dust extractors with Hepa filter and a soft brush to
not damage the filter.
• Do not use water on electrical components.
• Do not clean the dust extractor with high pressure
(air or water).
• Do not put tools on the surface of the filter, it can
cause damage to the filter.
• Do not make a hole in the Hepa filter, it can cause a
health risk.

To clean the pre filter

Only use Husqvarna filters. Performance and filtration
efficiency can only be assured with original filters.
The filter must be cleaned from time to time. This must
be done before changing the plastic bag collection
system and should also be done when work is
completed or when there is poor suction. The
manometer on the dust extractor shows when the
suction is poor. When the manometer reaches the red
area, the filter needs to be cleaned.
CAUTION: Avoid hitting or dragging items
across the filter surface as this will damage
the filter.
3
Inspect the air gap of the clutch. Take a feeler gauge and insert it between the field plate and the element.
Make sure that the tolerance is 0.020in./0.5mm (-0.008in./0.2mm, +0.012in./0.3mm). If the air gap is out of
tolerance, inspect the assembly of the clutch. Make sure that it has not come loose due to vibrations of the
engine. If the hardware is loose, attach the loose items using Locktite.
1105 - 001 - 11.07.2019
Before
each use Daily
Weekly
8 Hrs. 50 hrs.
X
1. While running the dust extractor, seal the inlet using
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.

Before you change the filter

• Clean the filter according to instructions in section
clean the pre filter on page 11 .
• Turn off the engine and wait for the fan to completely
stop before opening the dust extractor to change
filters. The exhaust will get very hot after running the
engine for just a short time.

To change the pre- filter

WARNING: Use correct personal equipment
when you change the pre-filter or Hepa filter.
Refer to
page 7 .
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. Insert a new filter.

To change the Hepa filter

CAUTION: Do not clean a Hepa filter. 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.
Note: Recommended intervals for filter change: Pre-filter
every 6 months and Hepa filter every 12 months.
1. Loosen the toggle fasteners on the filter cover cap.
When 6 months
suction is or 1000h
low
Personal protective equipment on
12
months
or 2000h
To
11