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•
If the log has support on the two ends, cut 1/3
the diameter from the top. Complete the cut by
underbucking the lower 2/3 of the log to touch the
first cut. (Fig. 52)
WARNING:
safety chapter before you clean, repair or do
maintenance on the product.
Maintenance schedule
Make sure that you obey the maintenance schedule.
The intervals are calculated from daily use of the
product. The intervals are different if you do not use the
product each day. Only do the maintenance work that
is found in this manual. Speak to an approved service
center about other maintenance work not found in this
manual.
Daily maintenance
•
Clean the external surfaces.
•
Make sure that the throttle trigger lockout and throttle
trigger work correctly.
•
Clean the chain brake and make sure that it
operates correctly.
•
Examine the chain catcher for damage. Replace the
chain catcher if it is damaged.
•
Turn the guide bar daily for more equal wear.
•
Make sure that the lubrication hole in the guide bar is
not clogged.
•
Remove saw dust and other unwanted material from
below the clutch cover.
•
Clean the guide bar groove.
(Fig. 54)
•
Make sure that the guide bar and saw chain get
sufficient oil.
•
Examine the saw chain for cracks and irregularly
worn rivets and links. If necessary, replace the saw
chain.
•
Examine the saw chain for the correct tension and
for burrs on the chain drive links. If necessary,
replace the saw chain.
•
Sharpen the saw chain. Refer to
chain on page 19 .
•
Examine the drive sprocket for too much wear and
replace if necessary.
(Fig. 55)
•
Clean the air intake of the starter housing.
•
Make sure that the nuts and screws are tight.
•
Make sure that the controls operate correctly.
Weekly maintenance
•
Make sure that the cooling system works correctly.
18
Maintenance
Read and understand the
To sharpen the saw
•
If you buck a log on a slope, always stay on the
uphill side of the log. Cut through the log while you
keep complete control of the product. Then release
the cutting pressure near the end of the cut while
tightly holding the rear handle and front handle. (Fig.
53)
•
Make sure that the starter, starter cord and return
spring work correctly.
•
Make sure that the vibration damping elements are
not damaged.
(Fig. 56)
•
File off any burrs from the edges of the guide bar.
•
Clean or replace the spark arrester mesh on the
muffler.
(Fig. 57)
•
Clean the external surfaces of the carburetor and its
adjacent areas.
•
Clean the air filter. Install a new air filter if it is
damaged or too dirty to be fully cleaned. Refer to
clean the air filter on page 19 for more information.
Monthly maintenance
•
Examine the brake band on the chain brake for
wear. Replace when the brake band thickness is
less than 0.6 mm (0.024 in) at the most worn point.
(Fig. 58)
•
Examine the clutch center, clutch drum and clutch
spring for wear.
•
Clean the spark plug. Make sure that the electrode
gap is correct.
(Fig. 59)
•
Clean the external surfaces of the carburetor and its
adjacent areas.
•
Examine the fuel filter and the fuel hose. Replace if
necessary.
•
Empty the fuel tank.
•
Empty the oil tank.
•
Examine all cables and connections.
Yearly maintenance
•
Examine the spark plug.
•
Clean the external surfaces of the carburetor and its
adjacent areas.
•
Clean the cooling system.
•
Examine the spark arrester mesh.
•
Examine the fuel filter.
•
Examine the fuel hose for damage.
•
Examine all cables and connections.
Intermittent maintenance
•
Have an approved service center repair or replace
the muffler after 50 hours of operation.
To
862 - 004 - 03.04.2023
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