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General Maintenance
IMPORTANT!
MAINTENANCE, REPLACEMENT OR
REPAIR OF EMISSION CONTROL
DEVICES AND SYSTEMS MAY BE
PERFORMED BY ANY REPAIR ESTAB-
LISHMENT OR INDIVIDUAL; HOWEVER,
WARRANTY REPAIRS MUST BE PER-
FORMED BY A DEALER OR SERVICE
CENTER AUTHORIZED BY SHINDAIWA
KOGYO CO., LTD. THE USE OF PARTS
THAT ARE NOT EQUIVALENT IN PER-
FORMANCE AND DURABILITY TO
AUTHORIZED PARTS MAY IMPAIR THE
EFFECTIVENESS OF THE EMISSION
CONTROL SYSTEM AND MAY HAVE A
BEARING ON THE OUTCOME OF A
WARRANTY CLAIM.
WARNING!
Before performing any maintenance,
repair or cleaning work on the unit,
make sure the engine and cutting
attachment are completely stopped.
Disconnect the spark plug wire before
performing service or maintenance
work.
Daily Maintenance
Prior to each work day, perform the following:
Check for loose or missing screws or
components. Make sure the tool and cut-
ting attachment are securely fastened.
10-Hour Maintenance
Ever y 10 hours of operation
(more frequently in dusty or dirty
conditions):
Remove the air cleaner element. See
Figure 27. Clean or replace as neces-
sary. To clean element: Wash it thor-
oughly in soap and water. Let it dry
before reinstalling the element.
10/15-Hour Maintenance
Ever y 10 to 15 hours of operation:
Remove and clean the spark plug. Adjust
the spark plug electrode gap to 0.024-
inch (0.6 mm). If the spark plug must be
replaced, use only a Champion CJ8Y
or equivalent spark plug of the correct
heat range. (For electro-magnetic com-
pliance [EMC] use an NGK BMR6A
resistor plug.) See Figure 28.
14
WARNING!
Non-standard parts may not operate
properly with your unit and may cause
damage and lead to personal injury.
NOTE:
Using non-standard replacement parts could
invalidate your Shindaiwa warranty.
Muffler
This unit must never be operated with a
faulty or missing spark arrester or muf-
fler. Make sure the muffler is well secured
and in good condition. A worn or damaged
muffler is a fire hazard and may also cause
hearing loss.
Spark Plug
Keep the spark plug and wire connections
tight and clean.
Fasteners
Make sure nuts, bolts, and screws (except
carburetor adjusting screws) are tight.
Check the entire unit for leaking fuel or
grease.
Remove dirt or debris from the engine,
check the cooling fins and air cleaner for
clogging and clean them as necessary.
CAUTION!
Do not operate the unit if the air
cleaner or element is damaged, or if
the element is wet.
CAUTION!
Before removing the spark plug, clean
the area around the plug to prevent dirt
and debris from getting into the internal
engine parts.
Blades
Keep blades sharp and check blade
condition frequently. If a blade's perfor-
mance changes suddenly, stop the engine
and check the blade for cracks or other
damage. Replace a damaged blade
IMMEDIATELY!
WARNING!
Never repair a damaged blade by
welding, straightening, or by modify-
ing its shape. An altered blade may
break during operation, resulting in
serious personal injury.
DO NOT use 2-tooth or non-
Shindaiwa approved 4-tooth cutting
blades on Shindaiwa trimmers or
brushcutters.
Blades are not interchangeable
between Shindaiwa edgers and
trimmer/brushcutter models.Operat-
ing any unit with a blade or attach-
ment not approved for that unit
can be hazardous and may cause
serious injury.
Carefully remove any accumulation of
dirt or debris from the muffler or the
fuel tank. Dirt build-up in these areas
could cause engine overheating, induce
premature wear, or create a fire hazard.
Remove and clean
or replace the element.
Figure 27
0.024"
Clean the spark plug
(0.6mm)
and check the gap at the
CJ8Y
Figure 28
electrode.
27030
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