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Operator safety

1.  Read and understand this Manual before using the Earth Auger. 

Be thoroughly familiar with the proper use of this Earth Auger.

2. Always wear eye protection and hearing protection.
3. Always wear heavy long pants, a long sleeved shirt, boots and 

gloves.  Do not wear loose clothing, jewelry, short pants, sandals, 

or go barefoot. Secure hair so it is above shoulder length.

4. Never operate this Earth Auger when you are tired, ill, or under the 

influence of alcohol, drugs or medication.

5. Never start or run the engine inside a closed room or building. 

Breathing exhaust fumes can cause death.

6. Keep the grip of handles clean of oil, fuel and dirt.

Earth Auger safety

1. Shut off the engine and be certain the drill has completely stopped rotating before inverting the Earth 

Auger, performing maintenance on or working on the machine.

2. Make sure the Earth Auger is assembled correctly and that the drill is correctly installed and securely 

fastened as instructed in the Assembly section.

3. Inspect the Earth Auger before each use. Replace damaged parts. Check for fuel leaks.

Make sure all fasteners are in place and tightened securely. Follow the maintenance instructions 

beginning on page 11.

4. Make sure the drill does not rotate at engine idle speed. Refer to Idle Speed Adjustment, page 9.
5. Inspect the drill and replace any parts that are cracked, chipped or damaged before using the Earth 

Auger.

6. Make sure the drill is installed and positioned correctly before using the Earth Auger.
7. Never use a drill or replacement parts that are not approved by a BUSHRANGER service dealer.
8. Maintain the Earth Auger according to the recommended maintenance intervals and procedures in 

the Maintenance section beginning on page 11.

9. If running problems or excessive vibration occur, stop immediately and inspect the unit for the 

cause. If the cause cannot be determined or is beyond your ability to correct, return the Earth Auger 

to your servicing BUSHRANGER dealer for repair.

Safety Instructions

The warning system in This manual identifies potential hazards and has special safety messages that 

help you and others avoid personal injury, even death.

          

  

 

  

 ,              

        

and            

  

 

  

are signal words to identify the level of hazard.

: Signals an extreme hazard that will cause serious injury or death if the recommended 

precautions are not followed.

: Signals a hazard that may cause serious injury or death if the recommended precau-

tions are not followed.

: Signals a hazard that may cause minor or moderate injury if the recommended pre-

cautions are not followed. Two other words are also used to highlight information. 

“Important” calls attention to special mechanical information and “Note” emphasizes 

general information worthy of special attention.

Summary of Contents for EA451

Page 1: ...Earth Auger Owner s Operator s Manual Completely read and understand this manual before using this product EA451 ...

Page 2: ...y Instructions 3 Operator Safety 3 Earth Auger safety 3 Fuel Safety 4 Earth Auger Operating Safety 4 Assembly 5 Installing Left Grip 5 Installing Drill 5 Adjusting Throttle Cable 5 Before Operation 6 Oil and Fuel 6 Mixing Petrol and Oil 7 Starting and Stopping 8 Idle Speed Adjustment 9 Page Operation 10 Drilling 10 Maintenance 10 Air Filter 10 Fuel Filter 11 Spark Plug 11 Cylinder cooling fins 12 ...

Page 3: ...f potential danger Replace any decal that is damaged or lost Symbol Explanation Indicates Danger Warning and Caution Read and understand this Owner s Operator s Manual Wear head protection where there is a risk of falling objects Wear eye protection while operating the Earth Auger Wear ear protection while operating the Earth Auger Guaranteed sound power level 111dB A ...

Page 4: ...Refer to Idle Speed Adjustment page 9 5 Inspect the drill and replace any parts that are cracked chipped or damaged before using the Earth Auger 6 Make sure the drill is installed and positioned correctly before using the Earth Auger 7 Never use a drill or replacement parts that are not approved by a BUSHRANGER service dealer 8 Maintain the Earth Auger according to the recommended maintenance inte...

Page 5: ...2 Never allow children to operate the Earth Auger It is not a toy Never allow adults to operate the unit without first reading this Operator s Manual 3 Avoid using the Earth Auger near rocks gravel stones and similar material that would cause harm ful missiles 4 Keep children bystanders and animals outside a 15m radius from the operator and Earth Auger 5 If you are approached while operating the E...

Page 6: ...the clip band and remove the lock pin from the drill 2 Put the drill onto the auger output shaft and insert the lock pin Cover it with the clip band Adjusting Throttle Cable The normal play is 1 to 2mm when measured at the carbu retor side end Readjust with the cable adjuster as required 1 PTO Shaft 2 Clip Band 3 Drill 4 Lock Pin Left Grip ...

Page 7: ...ions petrol is extremely flammable and highly explosive WHAT CAN HAPPEN A fire or explosion from petrol can burn you others and cause property damage HOW TO AVOID THE HAZARD Use a funnel and fill the fuel tank outdoors in an open area when the engine is cold Wipe up any petrol that spills Do not fill the fuel tank completely Add petrol to the fuel tank until the level is 10mm below the bottom of t...

Page 8: ...ailure to mix oil with the petrol at the appropriate ratio will cause major engine damage which will void your warranty Fuel Mixture Chart Mixing Instructions IMPORTANT Never mix petrol and oil directly in the Earth Auger fuel tank 1 Always mix fuel and oil in a clean container approved for petrol 2 Mark the container to identify it as fuel mix for the Earth Auger 3 Use regular unleaded petrol and...

Page 9: ...il fuel can be seen flowing through the fuel return line to the fuel tank Flowing fuel should be almost clear not foamy or full of bubbles 2 Turn the choke lever to the Close position 3 With the stop switch RUN a pull the starter grip 4 While holding the unit firmly pull out the starter grip quickly until engine started a Hold the right grip with your left hand b Support the left grip with your wa...

Page 10: ...tions Keep hands and body away from the drill When the throttle trigger is released the engine should return to an idle speed The correct speed is 2400 2800 min 1 or just below the clutch engagement speed The drill must not move and the engine should not stall stop running at engine idle speed To adjust the engine idle speed rotate the idle speed adjustment screw on the carburetor Turn the idle sp...

Page 11: ...engine and rotate the auger counter clockwise CAUTION Read the Safety instructions beginning on page 3 concerning proper use of the Earth Auger Always wear gloves and protective clothing when operating the Earth Auger Maintenance Air Filter Maintenance Interval The air filter should be cleaned daily or more often when working in extremely dusty conditions Replace after every 100 hours of operation...

Page 12: ...ure that the fuel filter is not stuck in a corner of the tank and that the fuel hose is not doubled over kinked before refueling Fuel Pick up Hose Fuel Tank Cap Wire Fuel Tank Fuel Filter Cap Holder Spark Plug Maintenance Interval The spark plug should be removed from the engine and checked after each 25 hours of operation Replace the spark plug after every 100 hours of operation Spark Plug Mainte...

Page 13: ...r cooling fins Maintenance Interval The cylinder cooling fins should be cleaned after every 25 hours of operation or once a week whichever comes first Air must flow freely around and through the cylinder cooling fins to prevent engine overheating Leaves grass dirt and debris buildup on the fins will increase the operating temperature of the engine which can reduce engine performance and shorten en...

Page 14: ... spark plug opening when you pull the starter grip WHAT CAN HAPPEN Oil can cause eye injuries HOW TO AVOID THE HAZARD Protect your eyes and keep your face away from the spark plug opening Storage For long term storage of the Earth Auger 1 Empty the fuel tank into a suitable fuel storage container 2 Run the engine to remove any fuel that may remain in the carburetor 3 Perform all regular maintenanc...

Page 15: ...lean or replace air filter If further assistance is required contact your local authorized BUSHRANGER service dealer Specifications Model EA451 Engine displacement cm3 41 5 Idling speed min 1 2400 2800 Spark plug NGK BPMR6Y Electrode gap mm 0 6 0 7 Type of carburetor Diaphragm Fuel tank capacity cm3 1000 Weight without fuel and drill kg 10 3 Adaptable drill size Diameter mm 40 to 200 Technical dat...

Page 16: ...P N 241518 00 GB 1807 IN 11 Sodium Street Narangba Qld 4504 ...

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