Dolmar HT-2576 E Instruction Manual Page 15

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15
STORAGE
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 lter
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
Mufer
Inspection, replace if necessary
Check and if necessary clean the opening
Quarterly Suction head
Fuel tank
To be replaced
To be cleaned
Shutting down procedure Fuel tank
Carburetor
Empty fuel tank
Operate until engine runs out of fuel
FAULT LOCATION
Fault System Observation Cause
Engine not starting or
under difculties
Ignition system Ignition spark is present Faulty fuel supply or compression system, mechanical defect
No ignition spark STOP-switch operated, wiring fault or short circuit, spark
plug or connector defective, ignition module faulty
Fuel supply Fuel tank lled Incorrect choke position, carburetor defective, suction head
(gas line lter) dirty, fuel supply line bent or interrupted
Compression Inside of engine Cylinder bottom gasket defective, 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 lled
Ignition spark existing
Carburetor contaminated, have it cleaned
Engine starts but dies
immediately
Fuel supply Tank lled Incorrect idling adjustment, suction head or carburetor
contaminated
Fuel tank vent defective, fuel supply line interrupted, cable or
STOP-switch faulty
Insufcient
performance
Several systems may
simultaneously be affected
Engine idling Air lter contaminated, carburetor contaminated, mufer
clogged, exhaust duct in the cylinder clogged
When keeping 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 add a few drops of oil into the spark plug
hole. Then, pull the starter gently to conrm that oil lm covers the
engine inside and tighten the spark plug.
Clear dirt or dust from the cutter blade and outside of engine, wipe
them with a oil-immersed cloth and keep the machine at a place as
dry as possible.
Drain fuel
Humidity
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