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Maintenance - Husqvarna LX 90 Operator's Manual

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Introduction
WARNING: Read and understand the safety
chapter before you do maintenance on the
product.
General product maintenance
Make sure that there are no fuel or oil leaks.
Clean the product.
Make sure that nuts and screws are tightened.
Examine the throttle control and choke control for damage.
Make sure that the throttle control and the choke control can move smoothly.
Lubricate the controls and linkages.
Examine the vibration damping units for damage.
Examine the tension of the V-belt and look for damages. Adjust or replace the V-belt
as necessary.
Engine maintenance
Do a check of the fuel level and the engine oil level.
Clean the cooling fins of the engine.
Examine the air filter. Clean the air filter if it is necessary.
Clean the air filter.
Replace the air filter.
Replace the engine oil.
Do a check of the engine speed.
Examine and clean the spark plug. Replace the spark
plug if it is necessary.
Replace the spark plug.
Clean the fuel valve of the carburetor.
Clean the spark arrester screen on the muffler.
Adjust the valve head clearance for the air intake and the
exhaust valves.
Drain the fuel and clean the fuel tank and the fuel filter.
Clean and adjust the carburetor.
10

Maintenance

Maintenance schedule
* = General maintenance done by the operator. The
instructions are not given in this operator's manual.
X = The instructions are given in this operator's manual.
O = Refer to the engine manual for instructions.
Before use,
each 10 h
X
O
X
Before use,
each 10 h
*
X
*
*
*
*
After the
Weekly,
first 20 h
each 100 h
X
X
X
X
O
O
O
O
O
O
1096 - 003 - 06.04.2020
Weekly,
each 100 h
X
X
Yearly, each
300 h
X
X
O
O
O
O
O
O
O
O

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