Maintenance - Shindaiwa 490 Manual Del Operador

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 CORPORATION
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 on this saw,
stop the engine and disconnect
the spark plug wire!
10/15 Hour Maintenance
1. Remove and clean the spark plug.
Adjust the spark plug gap to 0.024"
(0.6mm)-0.028"
0.024"(0.6mm)-
(0.7mm), and
0.028"(0.7mm)
reinstall. Replace
any damaged or
visibly worn plug
NGK
with an
BPMR7A or
equivalent spark
plug of the same
heat range.
14
All manuals and user guides at all-guides.com
Daily Maintenance
1. Remove dirt and debris from the saw
exterior, cylinder fins, and cooling air
intake.
2. Inspect the saw for fuel and oil leaks.
Repair as necessary.
Cover
CAUTION!
Never allow chips or other debris
to enter the cylinder bore! Before
removing the spark plug, thor-
oughly clean the spark plug and
cylinder head area!
2. Remove the guide bar and chain.
Carefully inspect the drive sprocket
for wear or damage, and replace if
noted. Inspect the guide bar grooves
and tip for wear or damage, and repair
or replace components as required.
3. Service the air filter.
n Remove the air filter cover
and then remove the element.
Use extreme care to prevent
any debris from entering the
carburetor bore. Wash all parts
with soap and water, and then
gently wipe or blow dry before
reassembly.
n Install the air filter element in the
saw.
4. Sharpen and adjust the saw chains as
required.
F
ilter Element 5. Clean the guide bar groove and oil
hole, and inspect the bar groove
and tip for damage or unusual wear.
Repair or replace worn or damaged
components as necessary.
6. Inspect the drive sprocket.
7. Inspect the entire saw for damaged,
loose or missing components or
fastenings. Repair as necessary.
IMPORTANT!
The drive sprocket and saw chain
loop should always be replaced as a
set! For economy, rotate the same 2-3
chains daily. When these chains are
worn out, replace both the chains and
drive sprocket at the same time.