Maintenance - Shindaiwa 285s Owner's/Operator's Manual

Maintenance

IMPORTANT!
MAINTENANCE, REPLACEMENT, OR
REPAIR OF EMISSION CONTROL
DEVICES AND SYSTEM 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, LTD. AND
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
THE WARRANTY CLAIM.
WARNING!
Before performing any mainte-
nance on this saw, stop the engine
and disconnect the spark plug wire!
Daily Maintenance
1. Remove dirt and debris from the saw
exterior, cylinder fins, and cooling air
intake.
. Inspect the saw for fuel and oil leaks.
Repair as necessary.
3. Service the air filter.
16
Filter Element
Pre-filter Element
 Remove the air filter cover and then
remove the element. Use extreme
care to prevent any debris from enter-
ing the carburetor bore. Wash all
parts with soap and water, and then
gently wipe or blow dry before reas-
sembly.
 Install the air filter element in the saw.
IMPORTANT!
For cutting in dry weather, an optional
flocked air filter will offer additional
protection. However, when operating
in damp or icing conditions the flocked
filter should be replaced with a mesh-
type element.
4. Sharpen and adjust the saw chains as
required.
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 entire saw for damaged,
loose or missing components or fas-
tenings. Repair as necessary.
10/15 Hour Maintenance
1. Remove and clean the spark plug.
Cover
Adjust the spark plug gap to 0.04"
(0.6mm), and reinstall. Replace any
damaged or visibly worn plug with
an NGK BPMR7A or equivalent
spark plug of the same heat range.
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!
. 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.
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.
.024"
(.6mm)
IMPORTANT!