Makita EH 620, EH 450 manual Storage, Maintenance Schedule, Fault Location

Page 15

STORAGE

I n

1

-When keeping the machine in storage fora 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.

-Abide by Federal and Local regulations for safe storage and handling of gasoline.

MAINTENANCE

SCHEDULE

1

General

I

 

Engine assembly,

 

 

 

screws and nuts

 

After each refuelling

 

 

Throttle lever

 

 

 

 

Safety lock key

 

 

 

 

STOP switch

 

Daily

 

 

Air filter

 

 

 

 

Cooling air duct

 

 

 

 

Cutting tool

 

 

I

Idling speed

I

Every 15 hours

Gearcase

Weekly

Spark plug

1

 

 

 

Muffler

Quarterly

 

 

Suction head

 

 

rFuel tank

 

Shuting down

 

 

Fuel tank

 

procedure

 

 

Carburetor

 

FAULT LOCATION

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)

supply of grease

Inspection, replace if necessary

Check and if necessary clean the oDenina

To be replaced To be cleaned

Empty fuel tank

Operate until engine runs out of fuel

I

1

Fault System 0bservat ion

Engine not starting Ignition system Ignition spark is present

or under difficulties

 

No ignition spark

 

 

 

Fuel supply

Fuel tank filled

 

Compression

Inside of engine

 

I

Outside of engine

 

Mechanical

Starter not engaging

 

fault

 

Warm start problems

 

Tank filled

 

 

Ignition spark existing

Engine starts but dies

Fuel supply

Tank filled

immediately

 

 

Insufficient

Several

-

Engine idling

performance

systems may

 

 

simultaneously

 

 

be affected

 

Cause

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, cvlinder or Diston rinas defective

I 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

Image 15
Contents Hedge Trimmer Clear of All Persons and Pets Wear Eye and Ear Protection Precautions before startingRead, Understand and Follow Keep the Area of OperationIntended use of the machine Do Not abuse the TrimmerPersonal protective equipment Only use outdoors Clean protective clothing at regular intervalsMaintenance Tool ReplacementMaintenance instructions Damage caused by the use of any non-approved accessoriesMethod of operation Clutch engagement speed Llmin Dimensions L x W x H063x 288 x Cutting lengthBlade Throttle lever Front handle Rear handle Recoil starter Name of Major PartsFuelsirefuelling Fuel and oil mirtureHandling petroleum products Storage of fuel Precautions Before StartingDiagrammatic-figure RefuellingCutting blade into an obstruction or your body Starting the MachineStopping the Machine Move the choke lever 3to position1-1Case Operation of the MachineFor a Maintenance InstructionsBlade adjustment Blade sharpeningGrease will come out from here Checking and adjusting the idling speedChecking the spark plug Every 8 hours Daily Supply of grease and lubricantRequired by the carburetor Daily checkup and maintenanceMaintenance Schedule Fault LocationStorage OWNER’S Warranty Responsibilities MANUFACTURER’SWARRANTY CoverageEMISSION-RELATED Parts Covered Under this Warranty Limited WarrantyWarranty Period What is Covered Under this WarrantyMaintenance Schedule Procedure Interval What is not Covered Under this WarrantyHOW to File a Warranty Claim Where to GET Warranty Services Repair and Replacement of EMISSION-RELATED PartsEmission Component Defect Warranty Period Federal Emission Component Defect WarrantyOWNER’S Warranty RESPONSIBILIT1 ES HOW to Make a Claim M O 11-8,Sumiyoshi-cho, Anjo, Aichi 446-8502,Japan