Husqvarna WB53S e 用户手册

English

 – 15

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Adjust the belt by moving the ball-bearing up or down. 

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A new belt stretches and becomes longer, so adjust the 
belt again after a few hours of operation. 

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 Screw on the belt cover and test run the machine. 

The centre belt runs between the engine shaft and the 
gearbox. 

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Remove the cutter. (only when replacing belt)

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Unscrew the adjuster screws a few turns.

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Replace the belt with a new one and tighten the 
adjustment screws a little.  (only when replacing belt)

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Adjust the belt by moving the gear forwards or backwards.

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The belt should be stretched so that it can move 10mm in 
the centre. That corresponds to a pull of approx. 3 kg. Use 
a fishing scale to check.

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Tighten the adjustment screws properly. 

When changing the belt, refit the cutter with a torque of 45-60 
Nm. See instructions under the heading Assembly.

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Check the drive operation, as adjustment of the gear 
affects the belt tension in the gearbox.

Do not use a high pressure washer to clean the machine.

Never flush water directly on the engine. 

When cleaning under the cutting hood, turn the machine with 
the spark plug upwards. Empty the fuel tank.

If the engine does not start, check the following: 

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Replace the fuel with new, clean fuel.

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Check that the fuel valve is open. 

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Check that the engine brake works correctly and is 
undamaged.

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Clean the spark plug. Check that the electrode gap is 0.7-
0.8 mm.

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Check the airfilter and clean it when it´s necessary.

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If the engine does not start after taking these actions, 
contact the nearest authorised service agent.

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If the cutting result is not satisfactory and the grass straws 
are fuzzy on the cut face, replace the cutter.

1

Check that the engine brake handle works safely.

2

Brush leaves, grass and the like off of the lawn mower.

3

Clean the air intake on the starter. Check the starter and 
starter cord.

4

Check the oil level.

5

Clean the air filter. Replace if necessary.

6

Check that nuts and screws are tight.

7

Check the cutting attachment. Never use blades that are 
dull, cracked or damaged.

1

Clean the spark plug. Check that the electrode gap is 0.7-
0.8 mm.

2

Clean the cooling fins on the cylinder.

1

Check that drive belt is not damaged and is not visibly 
defective.

2

Clean the gearbox.

3

Check the fuel filter and the fuel hose. Replace if 
necessary.

4

Clean the inside of the fuel tank.

5

Lubricate the drive control.

6

Change the engine oil.