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US-15
PSZ2460S
U
S
■ SAW CHAIN
It is very important for smooth and
safe operation to keep the cutters
always sharp.
Your cutters need to be sharpened when:
• Sawdust becomes powder-like.
• You need extra force to saw in.
• The cut way does not go straight.
• Vibration increases.
• Fuel consumption increases.
Cutter setting standards:
Be sure to wear safety gloves.
Before filing:
• Make sure the saw chain is held
securely.
• Make sure the engine is stopped.
• Use a round file of proper size for your
chain.
Chain type : 90SG
File size : 5/32 in (4.0mm)
Place your file on the cutter and push
straight forward. Keep the file position as
illustrated. (MA6)
After every cutter has been set, check the
depth gauge and file it to the proper level
as illustrated. (MA7)
Be sure to round off the front edge to
reduce the chance of kickback or tie-
strap breakage.
(1) Appropriate gauge checker
(2) Make the shoulder round
(3) Depth gauge standard
WARNING
WARNING
WARNING
.026 in
0.65 mm
MA11
9. Maintenance
(1)
MA9
(1)
MA10
Make sure every cutter has the same
length and edge angles as illustrated.
(MA8)
(4) Cutter length
(5) Filing angle
(6) Side plate angle
(7) Top plate cutting angle
■ AIR FILTER
• The air filter, if clogged, will reduce the
engine performance. Check and clean
the filter element. If the element is
broken or clogged, replace with a new
one. (MA9)
(1) Air filter
■ FUEL FILTER
• When the engine runs short of fuel
supply, check the fuel cap and the fuel
filter for blockage. (MA10)
(1) Fuel filter
■ SPARK PLUG
• Starting failure and mis-firing are often
caused by a fouled spark plug. Clean
the spark plug and check that the plug
gap is in the correct range. For a
replacement plug, use the correct type
specified by RedMax. (MA11)
• REPLACEMENT PLUG IS A NGK
CMR7H.
• Note that using any spark plug other
than those designated may result in the
engine failing to operate properly or in
the engine becoming overheated and
damaged.
• To install the spark plug, first turn the
plug until it is finger tight, then tighten it
a quarter turn more with a socket
wrench.
IMPORTANT
MA6
MA7
MA8