Owner’s Manual
Date 09-26-01
PF-4000, PF-4010, PF-4210
MULTI-PURPOSE ENGINE
Supplier To The Outdoor Power Equipment Industry
ISM, Inc. • 1028 4th Street SW • Auburn, WA 98001 • Phone: (253) 333-1200 • Fax: (253) 333-1212
WWW.TANAKA-USA.COM
PF-4000, PF-4010, PF-4210
Owner’s Manual
Operating procedures
WARNING!
This a two-stroke engine. Always run the engine on fuel, which is mixed with oil.
Provide good ventilation, when fueling or handling fuel.
Fuel
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Always use branded 89 octane unleaded gasoline.
Use Tanaka two-cycle oil or a quality two-cycle oil at mixing ratio of 50:1 (Gasoline (A) : Oil (B)).
Never use multi-grade oil (10 W/30) or waste oil.
Always mix fuel and oil in a separate clean container.
Always start by filling half the amount of fuel, which is to be used. Then add the whole amount of oil. Mix (shake) the fuel
mixture.
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Add the remaining amount of fuel.
Mix (shake) the fuel-mix thoroughly before filling the fuel tank.
Fueling
WARNING!
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Always shut off the engine before refueling.
Slowly open the fuel tank, when removing cap, so that possible over-pressure disappears.
Tighten the fuel cap carefully, after fueling.
Always move the engine/equipment at least 3 m (10 ft.) from the fueling area before starting.
Before fueling, clean the tank cap area carefully, to ensure that no dirt falls into the tank.
Make sure that the fuel is well mixed by shaking the container, before fueling.
Starting
1. Set ignition switch to the ON position.
**Push priming bulb (4) several times so that fuel flows through return pipe (5).
2. Set choke lever to CLOSED position (4).
3. Pull recoil starter briskly, taking care to keep the handle in your grasp and not allowing it to snap back.
4. When you hear the engine want to start, return choke lever to RUN position (open). Then pull recoil starter briskly again.
NOTE!
If engine does not start, repeat procedures from 2 to 5.
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PF-4000, PF-4010, PF-4210
Owner’s Manual
Maintenance
MAINTENANCE, REPLACEMENT, OR REPAIR OF THE EMISSION CONTROL DEVICES AND SYSTEMS MAY BE
PERFORMED BY ANY NONROAD ENGINE REPAIR ESTABLISHMENT OR INDIVIDUAL.
Carburetor adjustment (Fig. 3-1)
WARNING!
Never start the engine without the equipment attached! Otherwise the clutch can come loose and cause personal
injuries.
In the carburetor, fuel is mixed with air. When the engine is test run at the factory, the carburetor is basically adjusted.
The carburetor has one adjustment possibility:
T = Idle speed adjustment screw.
Idle speed adjustment (T)
Check that the air filter is clean. If adjustment is required, close (clockwise) the T-screw, with the engine running.
You have reached the correct idle speed when the engine runs smoothly in all positions well below the rpm when the
equipment starts to rotate.
If the equipment still rotates after idle speed adjustment, contact your service workshop.
NOTE!
Standard Idle rpm is 2500-3000 rpm.
Air filter (Fig. 3-2)
The air filter must be cleaned from dust and dirt in order to avoid:
• Carburetor malfunctions.
• Starting problems.
• Engine power reduction.
• Unnecessary wear on the engine parts.
• Abnormal fuel consumption.
Clean the air filter daily or more often if working in exceptionally dusty areas.
Cleaning the air filter
Remove the air filter cover and the filter (1).
Rinse it in warm soap suds. Check that the filter is dry before reassembly. An air filter that has been used for some time
cannot be cleaned completely. Therefore, it must regularly be replaced with a new one. A damaged filter must always
be replaced.
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PF-4000, PF-4010, PF-4210
Owner’s Manual
Fuel Filter (Fig. 3-2B)
Drain all fuel from fuel tank and pull fuel filter line from tank. Pull filter
element out of holder assembly. Replace filter if it appears to be
discolored or hardened from use. The filter has a white, felt-like
appearance when new.
Spark plug (Fig. 3-3)
The spark plug condition is influenced by:
• An incorrect carburetor setting.
• Wrong fuel mixture (too much oil in the gasoline)
• A dirty air filter.
• Difficult running conditions (such as cold weather).
These factors cause deposits on the spark plug electrode, which may result in malfunction and starting difficulties. If the engine
is low on power, difficult to start or runs poorly at idling speed, always check the spark plug first. If the spark plug is dirty, clean
it and check the electrode gap. Readjust if necessary. The correct gap is 0.6 mm (.024”). The spark plug should be replaced
after about 100 operation hours or earlier if the electrode is badly eroded.
NOTE!
In some areas, local law requires using a resistor spark plug to suppress ignition signals. If this machine was originally equipped
with resistor spark plug, use the same type of spark plug for replacement.
Muffler (Fig. 3-4)
Remove the muffler and clean excess carbon from the exhaust port or muffler inlet every 100 hours of operation.
If you find corrosion on the muffler, replace it.
Cylinder (Engine cooling) (Fig. 3-5)
The engine is air cooled, and air must circulate freely around engine and over cooling fins on cylinder head to prevent
overheating.
Every 100 Operating hours, or once a year (more often if conditions require), clean fins and external surfaces of engine of
dust, dirt and oil deposits which can contribute to improper cooling.
NOTE!
Do not operate engine with engine shroud or muffler guard removed as this will cause overheating and engine damage.
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PF-4000, PF-4010, PF-4210
Owner’s Manual
U.S. EPA PHASE 1 / STATE OF CALIFORNIA
EMISSION CONTROL WARRANTY STATEMENT
THE CALIFORNIA AIR RESOURCES BOARD AND TANAKA KOGYO CO., LTD. ARE PLEASED TO EXPLAIN THE
EMISSION CONTROL SYSTEM WARRANTY ON YOUR TANAKA ENGINE. NEW SMALL OFF ROAD ENGINES
MUST BE DESIGNED, BUILT AND EQUIPPED TO MEET STRINGENT CALIFORNIA ANTI-SMOG STANDARDS.
TANAKA KOGYO CO., LTD. MUST WARRANT THE EMISSION CONTROL SYSTEM ON SMALL OFF ROAD ENGINE
FOR THE PERIODS OF TIME LISTED BELOW, PROVIDED THERE HAS BEEN NO ABUSE, NEGLECT OR
IMPROPER MAINTENANCE OF YOUR LAWN AND GARDEN EQUIPMENT ENGINE.
YOUR EMISSION CONTROL SYSTEM INCLUDES PARTS SUCH AS THE CARBURETOR, THE IGNITION SYSTEM
AND THE CATALYTIC CONVERTER. ALSO INCLUDED ARE THE BELTS, HOSES AND CONNECTORS THAT ARE
PART OF THE ENGINE.
WHERE A WARRANTABLE CONDITION EXISTS, TANAKA KOGYO CO., LTD. WILL REPAIR YOUR LAWN AND
GARDEN EQUIPMENT ENGINE AT NO COST TO YOU INCLUDING DIAGNOSIS, PARTS AND LABOR.
MANUFACTURE'S WARRANTY COVERAGE:
THE 1995 AND LATER SMALL OFF ROAD ENGINES ARE WARRANTED FOR TWO YEARS. IF ANY
EMISSION RELATED PART ON YOUR ENGINE IS DEFECTIVE, THE PART WILL BE REPAIRED OR
REPLACED BY TANAKA KOGYO CO., LTD.
OWNER'S WARRANTY RESPONSIBILITIES:
AS THE SMALL OFF ROAD ENGINE OWNER, YOU ARE RESPONSIBLE FOR THE PERFORMANCE OF THE
REQUIRED MAINTENANCE LISTED IN YOUR OWNER'S MANUAL. TANAKA KOGYO CO., LTD.
RECOMMENDS THAT YOU RETAIN ALL RECEIPTS COVERING MAINTENANCE ON YOUR SMALL OFF
ROAD ENGINE, BUT TANAKA KOGYO CO., LTD. CANNOT DENY WARRANTY SOLELY FOR THE LACK OF
RECEIPTS OR FOR YOUR FAILURE TO ENSURE THE PERFORMANCE OF ALL SCHEDULED
MAINTENANCE.
AS THE SMALL OFF ROAD ENGINE OWNER, YOU SHOULD BE AWARE, HOWEVER, THAT TANAKA
KOGYO CO., LTD. MAY DENY YOU WARRANTY COVERAGE IF YOUR SMALL OFF ROAD ENGINE OR A
PART HAS FAILED DUE TO ABUSE, NEGLECT, IMPROPER MAINTENANCE OR UNAPPROVED
MODIFICATIONS.
YOU ARE RESPONSIBLE FOR PRESENTING YOUR SMALL OFF ROAD ENGINE TO A TANAKA KOGYO
CO., LTD. SERVICE CENTER AS SOON AS A PROBLEM EXISTS. THE WARRANTY REPAIRS SHOULD BE
COMPLETED IN A REASONABLE AMOUNT OF TIME, NOT TO EXCEED 30 DAYS.
IF YOU HAVE ANY QUESTIONS REGARDING YOUR WARRANTY RIGHTS AND RESPONSIBILITIES, YOU
SHOULD CONTACT TANAKA KOGYO CO., LTD. C/O INTERNATIONAL SALES & MARKETING, INC., CUSTOMER
SERVICE REPRESENTATIVE AT (253) 333-1200.
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