Dolmar HT-2556 D Manual De Instrucciones Original página 15

STORAGE
Drain fuel
MAINTENANCE SCHEDULE
General Engine assembly,
screws and nuts
After each refuelling Throttle lever
Safety lock key
STOP switch
Daily Air filter
Cooling air duct
Cutting tool
Idling speed
Weekly Spark plug
Muffler
Quarterly
Suction head
Fuel tank
Shutting down procedure Fuel tank
Carburetor
FAULT LOCATION
Fault
Engine not starting or Ignition system
under difficulties
Fuel supply
Compression
Mechanical fault
Warm start problems
Engine starts but dies Fuel supply
immediately
Insufficient Several systems may
performance simultaneously be affected
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Humidity
Visual inspection for damage and tightness
Check for general condition and security
Functional check
Functional check
Functional check
To be cleaned
To be cleaned
Check for damage and sharpness
Inspection (cutting tool must not move)
Inspection, replace if necessary
Check and if necessary clean the opening
To be replaced
To be cleaned
Empty fuel tank
Operate until engine runs out of fuel
System Observation
Ignition spark is present
No ignition spark
Fuel tank filled
Inside of engine
Outside of engine
Starter not engaging
Tank filled
Ignition spark existing
Tank filled
Engine idling
– 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 confirm that oil film 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.
Faulty fuel supply or compression system, mechanical defect
STOP-switch operated, wiring fault or short circuit, spark
plug or connector defective, ignition module faulty
Incorrect choke position, carburetor defective, suction head
(gas line filter) dirty, fuel supply line bent or interrupted
Cylinder bottom gasket defective, crankshaft seals damaged,
cylinder or piston rings defective
Improper sealing of spark plug
Broken starter spring, broken parts inside of the engine
Carburetor contaminated, have it cleaned
Incorrect idling adjustment, suction head or carburetor
contaminated
Fuel tank vent defective, fuel supply line interrupted, cable or
STOP-switch faulty
Air filter contaminated, carburetor contaminated, muffler
clogged, exhaust duct in the cylinder clogged
15
Cause