Jonsered GT2125L - Manual (Page 19)

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19
MAINTENANCE
The angle gear is filled with a
sufficient quantity of grease at
the factory. However, before
using the machine you should
check that the angle gear is
filled to 3/4 with grease. Use
JONSERED special grease.
Normally, the grease does not
need to be changed except
when repairs are carried out.
Air filter
The air filter should be
cleaned regularly removing
dust and dirt to avoid:
• carburettor malfunction
• starting problems
• reduced engine power
• unnecessary wear to
engine parts
• abnormal fuel
consumption
Clean the filter after every
25 hours or more regularly
if operating conditions are
exceptionally dusty.
Cleaning the air filter
Dismantle the air filter cover and remove the air filter. Wash in
clean, warm soapy water. Ensure that the filter is dry before
refitting. An air filter used for a long period of time can never
be cleaned completely. Therefore it is necessary to replace the
filter from time to time with a new filter. A damaged air filter
must always be replaced.
If the machine is used in dusty conditions the air filter
should be soaked in oil, see the section on “Oiling the air
filter“.
Oiling the air filter
Always use filter oil. The
filter oil contains a solvent
to make it spread evenly
through the filter. You
should therefore avoid skin
contact. Put the filter in a
plastic bag and the pour the
filter oil over it. Knead the
plastic bag to distribute the
oil. Squeeze the excess oil
out of the filter inside the
plastic bag and pour off the
excess before fitting the
filter on the machine. Never
use common engine oil. This would drain through the filter
quite quickly and collect in the bottom.
Angle gear
NOTE: Use only JONSERED replacement parts. Use of other
brands of replacement parts can cause damage to your unit or
injury to the operator or others. Your warranty does not cover
damage or liability caused by the use of accessories and/or
attachments not specifically recommended by JONSERED.
Maintenance schedule
Below you will find some general maintenance instructions.
Daily maintenance
• Check throttle trigger and throttle trigger lockout function.
• Check stop switch function.
• Check that blade/trimmer head does not rotate at idling.
• Clean the exterior of the machine.
• Check that the harness is undamaged.
• Check the guard for damage or cracks.
• Change the guard in case of impacts or cracks.
• Check the trimmer head for cracks and chips or damage.
Replace if necessary.
• A non-balanced blade/trimmer head induces heavy
vibrations that may damage the machine.
• Check that the locking nut is sufficiently tightened.
• Check that nuts and screws are sufficiently tightened.
Weekly maintenance
• Check the starter, especially cord and return spring.
• Clean the carburetor area.
• Clean the exterior of the spark plug.
• Remove it and check the electrode gap.
• Adjust it to 0,5 mm (.020"), or change the spark plug.
• Clean the cooling fins on the cylinder and check that the air
intake at the starter is not clogged.
• Check that the angle gear is filled with grease up to 3/4. Use
special grease.
• Clean the air filter.
• Clean or replace the muffler’s spark arrest screen (only
mufflers with a catalytic converter).
Monthly maintenance
• Clean the fuel tank.
• Clean the exterior of the carburetor and the space around it.
• Clean the fan and the space around it.
• Check fuel hose for cracks or other damage. Change if
necessary.
• Change fuel filter in fuel tank.
• Check clutch, clutch spring and clutch drum for wear.
Change if necessary.
• Check electrical wires and connections.
• Change the spark plug.
• Change the airfilter.
• Check and clean the muffler’s spark arrest screen if necessary
(only mufflers with a catalytic converter).