To Sweep The Grass; To Replace The Trimmer Line; Maintenance; Maintenance Schedule - McCulloch B43BT Manual De Usuario

5. Try to work rhythmically. Stand firmly with your feet
apart. Move forward after the return stoke and stand
firmly again.
6. Let the support cup rest lightly against the ground. It
is used to protect the blade from hitting the ground.
7. Reduce the risk of material wrapping around the
blade by always work at full throttle and avoid the
previously cut material during the return stoke.
8. Stop the engine, unclip the harness and place the
machine on the ground before you start to collect the
cut material.
To trim the grass
1. Hold the trimmer head immediately above the
ground at an angle.(Fig. 57 ) Do not push the grass
trimmer line into the grass.
2. Decrease the length of the grass trimmer line by
10-12 cm (4-4.75 in) and decrease engine speed to
decrease the risk of damage to plants.
3. Use 80 % throttle when you cut grass near objects.
(Fig. 58 )
To cut the grass
1. Make sure that the grass trimmer line is parallel to
the ground when you cut.(Fig. 59 )
2. Do not push the trimmer head to the ground. The
ground and the product can be damaged.
3. Do not let the trimmer head touch the ground
continuously, it can cause damage to the trimmer
head.
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.
• Clean the air filter. Replace if necessary.
• Check the harness.
• Check the throttle trigger lock and the throttle
function.
• Check the handle and the handle bar.
• Check the stop switch.
• Check the guards.
462 - 002 - 07.02.2018
4. Use full throttle when you move the product from
side to side to cut grass. (Fig. 60 ) Make sure that
the grass trimmer line is parallel to the ground.

To sweep the grass

The airflow from the rotating trimmer line can be used to
remove cut grass from an area.
1. Hold the trimmer head and its trimmer line parallel to
the ground and above the ground.
2. Apply full throttle.
3. Move the trimmer head from side to side and sweep
the grass.

To replace the trimmer line

(Fig. 61 )
(Fig. 62 )
(Fig. 63 )
(Fig. 64 )
(Fig. 65 )
(Fig. 66 )
(Fig. 67 )
(Fig. 68 )

MAINTENANCE

• Check that the blade is correctly centered, sharp and
not damaged.
• Check the trimmer head.
• Examine the idle speed.
• Examine the locknut.
• Examine for fuel leaks.
• Examine the transport guard.
Weekly maintenance
• Examine the starter rope handle and the starter
rope.
• Examine the bevel gear grease.
• Clean the outside of the carburettor and its adjacent
areast.
• Clean the outside of the spark plug. Remove it and
check the electrode gap. Adjust the gap or replace
the spark plug. Check that the spark plug is fitted
with a suppressor.
Monthly maintenance
• Clean the cooling system.
• Examine the fuel filter.
• Examine the fuel hose for damage.
WARNING: Clean the trimmer head cover
each time you assemble new trimmer line to
prevent unbalance and vibrations in the
handles. Also do a check of the other parts
of the trimmer head and clean it if
necessary.
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