Maintenance - Husqvarna LC 451S Operator's Manual

To stop the product (LC 451S,
LC 451V, LC 551SP)
• To stop the drive only, release the drive bail.
• To stop the engine, release the engine brake handle.
To stop the product (LC 551VBP)
• To stop the drive only, release the drive bail.
• To stop the engine, move the throttle control to the
stop position.
To get a good result
• Always use a sharp blade. A blunt blade gives an
irregular result and the cut surface of the grass
Introduction
WARNING: Before you do maintenance,
you must read and understand the safety
chapter.
For all servicing and repair work on the product, special
training is necessary. We guarantee the availability of
professional repairs and servicing. If your dealer is not a
service agent, speak to them for information about the
nearest service agent.

Maintenance

Do a general inspection
Examine the oil level
Clean the product
Examine the cutting equipment
Examine the cutting cover *
Examine the engine brake handle * (LC 451S, LC 451V, LC 551SP)
Examine the blade brake control * (LC 551VBP)
Examine the muffler *
Examine the spark plug
Replace the oil (the first time after 5 h of use, then after each 50 h of
use)
Clean or replace the air filter
Examine the fuel system
To do a general inspection
• Make sure that the nuts and screws on the product
are tightened.
929 - 001 - 29.10.2018
becomes yellow. A sharp blade also uses less
energy than a blunt blade.
• Do not cut more than ⅓ of the length of the grass.
Cut first with the cutting height set high. Examine the
result and lower the cutting height to an applicable
level. If the grass is very long, drive slowly and cut 2
times if necessary.
• Cut in different directions each time to prevent
stripes in the lawn.
Maintenance
Maintenance schedule
The maintenance intervals are calculated from daily use
of the product. The intervals change if the product is not
used daily.
For maintenance identified with * refer to instructions in
Safety devices on the product on page 9 .
To clean the product externally
• Use a brush to remove leaves, grass and dirt.
• Make sure that the air intake on the top of the engine
is not blocked.
CAUTION: Make sure that the air filter is up
and not against the ground when you tilt the
product. Risk of engine damage.
Daily Weekly
X
X
X
X
X
X
X
X
X
Monthly
X
X
X
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