Maintenance - Husqvarna 525HF3S Operator's Manual

• Hold the product near your body for a stable work
position.
Introduction
WARNING:
safety chapter before you do maintenance
on the product.
Maintenance schedule

Maintenance

Clean the external surface.
Clean the muffler, exhaust pipe and engine from leaves, dirt and unwanted
lubricant.
Make sure that the cutting unit does not move at idle speed.
Do a check of the stop switch. Refer to
6 .
Examine the cutting unit for damages and cracks. Replace if it is damaged.
Examine the hand guard for damages and cracks. Replace if it is damaged.
Do a check of the throttle trigger lockout and the throttle trigger. Refer to
check of the throttle trigger lockout on page 5 .
Examine the engine, the fuel tank and the fuel hose for leaks.
Tighten nuts and screws.
Examine the starter and the starter rope for damages.
Do a check that the screws that hold the blades together are correctly tightened.
Clean the air filter. Clean more frequently if used in areas which has dust.
Replace if it is damaged.
Examine the vibration damping units for damages and cracks. Replace if it is
damaged.
Clean the external surface of the spark plug and the area around it. Remove the
spark plug and measure the electrode gap. Adjust the electrode gap or replace
the spark plug. Refer to
Clean the cooling system.
Clean the external surface of the carburetor and the area around it.
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Maintenance
Read and understand the
To do a check of the stop switch on page
To examine the spark plug on page 13 .
• Make sure that the tip of the cutting equipment does
not touch the ground.
• Be careful and work slowly until all the branches are
correctly cut.
operation
To do a
Before After 40 After 100
h
After each operation.
After each operation.
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