Maintenance - Husqvarna 135 Mark II Operator's Manual

WARNING: Read and understand the safety
chapter before you clean, repair or do
maintenance on the product.
Maintenance schedule
Make sure that you obey the maintenance schedule.
The intervals are calculated from daily use of the
product. The intervals are different if you do not use the
product each day. Only do the maintenance work that is
found in this manual. Speak to an approved service
center about other maintenance work not found in this
manual.
Daily maintenance
• Clean the external surfaces.
• Make sure that the trigger lockout and trigger work
correctly.
• Clean the chain brake and make sure that it
operates correctly.
• Examine the chain catcher for damage. Replace the
chain catcher if it is damaged.
• Turn the guide bar daily for more equal wear.
• Make sure that the lubrication hole in the guide bar is
not clogged.
• Remove saw dust and other unwanted material from
below the sprocket cover.
• Clean the guide bar groove.
• Make sure that the guide bar and saw chain get
sufficient oil.
• Examine the saw chain for:
• a crack in the rivets and links.
• irregularly worn rivets and links.
• the correct tension.
• burrs on the chain drive links.
If necessary, replace the saw chain.
• Sharpen the saw chain. See
chain on page 18 .
• Examine the drive sprocket for too much wear and
replace if necessary.
16

MAINTENANCE

To sharpen the saw
• Clean the air intake of the motor housing.
• Make sure that the nuts and screws are tight.
• Make sure that the power switch works correctly.
Weekly maintenance
• Make sure that the cooling system works correctly.
• Make sure that the starter, starter cord and return
spring work correctly.
• Make sure that the vibration damping elements are
not damaged.
• File off any burrs from the edges of the guide bar.
• Clean or replace the spark arrestor screen on the
muffler.
• Clean the external surfaces of the carburetor and its
adjacent areas.
• Clean the air filter. Install a new air filter if it is
damaged or too dirty to be fully cleaned. See
clean the air filter on page 18 for more information.
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862 - 001 - 20.09.2018