Shindaiwa B450 User Manual

18
10-hour Maintenance
IMPORTANT!
MAINTENANCE, REPLACEMENT OR
REPAIR OF EMISSION CONTROL
DEVICES AND SYSTEMS MAY BE
PERFORMED BY ANY REPAIR
ESTABLISHMENT OR INDIVIDUAL;
HOWEVER, WARRANTY REPAIRS
MUST BE PERFORMED BY A DEALER
OR SERVICE CENTER AUTHORIZED
BY SHINDAIWA KOGYO CO., LTD.
THE USE OF PARTS THAT ARE NOT
EQUIVALENT IN PERFORMANCE 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.
WARNING!
Non-standard parts may not operate
properly with your unit and may cause
damage and lead to personal injury.
General Maintenance
NOTE:
Using non-standard replacement parts could
invalidate your Shindaiwa warranty.
Blades
Keep blades sharp and check blade
condition frequently. If a blade's per
-
formance 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 trim-
mer/brushcutter models. Operating
any unit with a blade or attachment
not approved for that unit can be
hazardous and may cause serious
injury.
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.
Daily Maintenance
 Remove dirt or debris from the engine,
check the cooling fins and air cleaner
for clogging and clean them as neces-
sary.
 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.
 Check for loose or missing screws or
components. Make sure the cutting at
-
tachment is securely fastened.
 Check the entire unit for leaking fuel or
grease.
Every 10-hours of Operation:
(more frequently in dusty or dirty
conditions):
CAUTION!
Do not operate this unit if the air
cleaner assembly or element is dirty,
damaged, or if the element is water
soaked. Operating the engine with an
air cleaner in any of these conditions
will cause premature wear of internal
components.
 Remove the air filter element from the
carburetor and clean it thoroughly with
soap and water. Rinse and dry thorough
-
ly, then reinstall. See Figure 32.
B45036
Air Filter
Figure 32
Prior to each work day, perform the following:

Shindaiwa B450 Specifications

General

Engine Displacement	41.5 cc
Engine Type	2-stroke
Shaft Type	Straight
Starter System	Recoil
Fuel Capacity	0.95 L
Fuel Tank Capacity	33.8 fl. oz.
Cutting Width	430 mm