Maintenance - Zenoah PSZ2600 Owner's Manual

9. Maintenance

System/components
fuel leaks, fuel spillage
fuel tank, air filter, fuel filter
idle adjusting screw
spark plug
cylinder fins, intake air cooling vent
muffler, spark arrester,
cylinder exhaust port
throttle lever, ignition switch
gear case
screws/nuts/bolts
oiling port
guide bar
sprocket
saw chain
WARNING
• Make sure that the engine has stopped and is cool before per-
forming any service to the machine. Contact with moving cut-
ting head or hot muffler may result in a personal 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
Before
Procedure
use
✔
wipe out
✔
inspect/clean
see ■ adjusting
✔
idling speed (p. 11)
clean and readjust
plug gap
clean
clean,
remove piled up carbon
✔
check operation
grease
✔
tighten/replace
✔
clean
✔
clean
inspect/replace
✔
inspect/sharp
SPARK PLUG
• Starting failure and misfiring are often caused by a fouled
• REPLACEMENT PLUG IS A NGK CMR7A.
• Note that using any spark plug other than those designated may
• To install the spark plug, first turn the plug until it is finger tight, then
MUFFLER
• Inspect periodically, the muffler for loose fasteners, any damage
• Note that failing to do so may result in the engine catch-
Every Every Every
25 50 100
hours hours hours
after after after
✔
replace, if necessary
replace carburetor
if necessary
GAP: .025 in (0.6 ~ 0.7 mm)
✔
replace, if necessary
✔
✔
✔
✔
not adjusting screws
✔
✔
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.
0.6 ~ 0.7 mm
IMPORTANT
result in the engine failing to operate properly or in the engine
becoming overheated and damaged.
tighten it a quarter turn more with a socket wrench.
TIGHTENING TORQUE:
WARNING
or corrosion. If any sign of exhaust leakage is found, stop using
the machine and have it repaired immediately.
ing on fire.
PSZ2600
Note
87 ~ 104 in-lbs
(9.8 ~ 11.8 N.m.)
GB-13
G
B