Publicité
Storage
•When keep the machine in storage for a long time, drain fuel from
the fuel tank and carburetor, as follows: Drain all fuel from the fuel
tank.
• Remove the spark plug and addition a few drops of oil into the
spark plug hole. Then, pull the starter gently confirm that oil film
covers the engine inside and tighten the spark plug,
uear dirt or dust from the cutter blade and outside of engine, wipe
em with a oil-immersed cloth and keep the machine at a place
as dry as possible.
Maintenance schedule
General
Engine assembly
screws and nuts
Visual inspection for damage and tightness
Check for general condition and security
After each refuelling
Throttle lever
Safety lock key
STOP-switch
Functional check
Functional check
Functional check
Daily
Air filter
Cooling air duct
Cutting tool
Idling speed
To be cleaned
To be cleaned
Check for damage and sharpness
Inspection (cutting tool must not move)
Weekly
Spark plug
Muffler
Inspection, replace if necessary
Check and if necessary clean the opening
Quarterly
Suction head
Fuel tank
To be replaced
To be cleaned
Shuting down
procedure
Fuel tank
Carburetor
Empty fuel tank
Operate until engine runs out of fuel
! Fault location
!
I-
Fault
System
Ovservation
Cause
Engine not starting
or under difficulties
Ignition system
Ignition spark existing
Fault in fuel supply- or compression system,
mechanical defect
No ignition spark
STOP-switch operated, wiring fault or short circuit, spark
plug or connector detective, ignition module faulty
Fuel supply
Fuel tank filled
Incorrect choke position, carburetor defective, suction
head dirty, fuel supply line bent or interrupted
Compression
Inside of engine
Cylinder bottom gasket delective, crankshaft seals
damaged, cylinder or piston rings defective
Outside of engine
Improper sealing of spark plug
Mechanical fault
Starter not engaging
Broken starter spring, broken parts inside of
the engine
Warm start problems
Tank filled
Ignition spark existing
Carburetor contaminated, have it cleaned
Engine starts but
dies immediately
Fuel supply
Tank filled
Incorrect idling adjustment, suction head or
carburetor contaminated
Fuel tank vent defective, fuel supply line interrupted,
cable or STOP-switch faulty
Insufficient performance
Several systems may simulta¬
neously be affected
Engine idling
Air filter contaminated, carburetor contaminated, muffler
clogged, exhaust duct in the cylinder clogged
22
Publicité
