Functional Inspection - Husqvarna K970 III Operator's Manual

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Cooling air intake
Clean the cooling air intake when needed.
NOTICE! A dirty or blocked air intake results in the
machine overheating which causes damage to the
piston and cylinder.
Spark plug
If the machine is low on power, difficult to start or runs
poorly at idle speed: always check the spark plug first
before taking other steps.
Ensure that the spark plug cap and ignition lead are
undamaged to avoid the risk of electric shock.
If the spark plug is dirty, clean it and at the same time
check that the electrode gap is 0.5 mm. Replace if
necessary.
NOTICE! Always use the recommended spark plug
type! Use of the wrong spark plug can damage the
piston/cylinder.
These factors cause deposits on the spark plug
electrodes, which may result in operating problems and
starting difficulties.
An incorrect fuel mixture (too much or incorrect type of
oil).
A dirty air filter.

Functional inspection

General inspection
Check that nuts and screws are tight.
Drive belt
Tensioning the drive belt
The tension of a new drive belt must be readjusted after
one or two tanks of fuel have been used.
MAINTENANCE
When the machine is equipped with a friction retarder, a
scraping sound can be heard from the bearing housing
when the blade is turned by hand. This is quite normal.
Please contact an accredited Husqvarna workshop if you
have any questions.
The drive belt is enclosed and well protected from dust
and dirt.
Loosen the three bolts (B) one turn anticlockwise.
Wiggle the blade guard (A) up and down 3-5 times,
and then tighten the nuts (B) with the combination
spanner.
Replacing the drive belt
!
Dismantle the cutting head, see instructions under
heading "Reversible cutting head".
Now remove the rear belt guard.
A
WARNING! Never start the engine when
the belt pulley and clutch are removed
for maintenance. Do not start the
machine without the cutting arm or
cutting head fitted. Otherwise the clutch
could come loose and cause personal
injuries.
B
16"
B
English
27

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