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GB-12
PSZ2600
9. Maintenance
TIGHTENING TORQUE:
9.8 - 11.8 N.m.
(1 - 1.2 kg.m.)
WARNING
•
Make sure that the engine has stopped and is cool be-
fore performing any service to the machine. Contact with
moving cutting head or hot muffler may result in a per-
sonal injury.
AIR FILTER
• The air filter, if clogged, will reduce the engine performance.
Check and clean the filter element in warm, soapy water as
required. Dry completely before installing. If the element is
broken or shrunk, replace with a new one.
(1)
(1) Air filter
FUEL FILTER
• When the engine runs short of fuel supply, check the fuel
cap and the fuel filter for blockage.
(1)
(1) Fuel filter
SPARK PLUG
• Starting failure and misfiring 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 ZENOAH.
•
REPLACEMENT PLUG IS A NGK CMR7A.
IMPORTANT
•
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.
MUFFLER
WARNING
•
Inspect periodically, the muffler for loose fasteners, any
damage or corrosion. If any sign of exhaust leakage is
found, stop using the machine and have it repaired im-
mediately in the repair specialty store.
•
Note that failing to do so may result in the engine catch-
ing on fire.
Every Every Every
25
50
100
System/components
Procedure
Before
hours hours hours
Note
use
after
after
after
fuel leaks, fuel spillage
wipe out
✔
fuel tank, air filter, fuel filter
inspect/clean
✔
✔
replace, if necessary
see adjusting
replace carburetor
idle speed adjuster
idling speed (p. 10)
✔
if necessary
clean and readjust
GAP: 0.65 mm
spark plug
plug gap
✔
replace, if necessary
intake air cooling vent
clean
✔
throttle trigger, stop switch
check operation
✔
transmission
grease
✔
screws/nuts/bolts
tighten/replace
✔
✔
not adjusting screws
oiling port
clean
✔
✔
guide bar
clean
✔
sprocket
inspect/replace
✔
saw chain
inspect/sharp
✔
ENGINE
SHAFT
CUTTING UNIT
0.65 mm