Husqvarna 535LK Owner Manual - Page 18

Troubleshooting, The engine does not start

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Maintenance Examine the trimmer head for damages and cracks. Replace if damaged. Make sure that the screws and nuts are tight. Examine the engine, the fuel tank and the fuel lines for leaks. Clean the cooling system. Examine the starter and the starter rope for damages. Examine the vibration damping elements for damages and cracks. Clean the outside of the spark plug. Remove it and do a check of the electrode gap. Adjust the gap to the correct distance (see, To examine the spark plug on page 16) or replace the spark plug. Make sure that the spark plug is fitted with a suppressor. Clean the outside of the carburettor and the space around it. Do a check of the bevel gear to make sure that it is filled three-quarters with with lubricant. Use special grease to fill if neccessary. Clean or replace the spark arrestor mesh on the muffler (only applies to mufflers without a catalytic converter). Do a check of the fuel filter for contamination and the fuel hose for cracks or other defects. Replace if neccessary. Do a check of all cables and connections. Do a check of the clutch, clutch springs and the clutch drum for wear. Replace if neccessary by an autorized service workshop. Replace the spark plug. Make sure that the spark plug is fitted with a suppressor. Check and clean the spark arrestor mesh on the muffler (only applies to mufflers without a catalytic converter). Daily X X X Weekly Monthly X X X X X X X X X X X X Troubleshooting The engine does not start Check Stop switch. Starter pawls. Possible cause The stop switch is in the stop position. The starter pawls cannot move freely. Fuel tank. Incorrect fuel type. Procedure Set the stop switch to the start position. Remove the starter cover and clean around the starter pawls. Let an approved service agent help you. Drain the fuel tank and fill with correct fuel. 18 331 - 008 - 24.04.2020

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Maintenance
Daily
Weekly
Monthly
Examine the trimmer head for damages and cracks. Replace if damaged.
X
Make sure that the screws and nuts are tight.
X
Examine the engine, the fuel tank and the fuel lines for leaks.
X
Clean the cooling system.
X
Examine the starter and the starter rope for damages.
X
Examine the vibration damping elements for damages and cracks.
X
Clean the outside of the spark plug. Remove it and do a check of the electrode
gap. Adjust the gap to the correct distance (see,
To examine the spark plug on
page 16
) or replace the spark plug. Make sure that the spark plug is fitted with a
suppressor.
X
Clean the outside of the carburettor and the space around it.
X
Do a check of the bevel gear to make sure that it is filled three-quarters with with
lubricant. Use special grease to fill if neccessary.
X
Clean or replace the spark arrestor mesh on the muffler (only applies to mufflers
without a catalytic converter).
X
Do a check of the fuel filter for contamination and the fuel hose for cracks or oth-
er defects. Replace if neccessary.
X
Do a check of all cables and connections.
X
Do a check of the clutch, clutch springs and the clutch drum for wear. Replace if
neccessary by an autorized service workshop.
X
Replace the spark plug. Make sure that the spark plug is fitted with a suppres-
sor.
X
Check and clean the spark arrestor mesh on the muffler (only applies to mufflers
without a catalytic converter).
X
Troubleshooting
The engine does not start
Check
Possible cause
Procedure
Stop switch.
The stop switch is in the stop position.
Set the stop switch to the start position.
Starter pawls.
The starter pawls cannot move freely.
Remove the starter cover and clean around
the starter pawls.
Let an approved service agent help you.
Fuel tank.
Incorrect fuel type.
Drain the fuel tank and fill with correct fuel.
18
331 - 008 - 24.04.2020