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KNOW YOUR UNIT
APPLICATIONS
As a trimmer:
• Cutting grass and light weeds.
• Edging
• Decorative trimming around trees,
fences, etc.
Other optional accessories may be used
with this unit.
Starter Rope Grip
On/Off Control
Tools Required:
• #2 Phillips screwdriver
• Large Phillips screwdriver
Rapid-Link®
Shaft Housing
Cutting Head Shield
Line
Cutting
Blade
Cutting Head
ASSEMBLY INSTRUCTIONS
INSTALL CUTTING ATTACHMENT SHIELD
WARNING:
To prevent serious personal injury, never operate the trimmer without the cutting
attachment shield in place.
Use the following instructions if the cutting attachment shield on your unit is not installed. Use only the instructions that
apply to the type of shaft and shield that your unit is equipped with.
1. Place the cutting head shield onto the guard
mount bracket, making sure to align the holes
on the shield with the holes in the guard mount
bracket. (Fig. 1)
2. Take the 2 shield screws and screw each one
into the shield until finger tight.
3. Using an appropriate screw driver, tighten the
screws until the shield is firmly in place. Make
sure the screws are tightened equally so there is
a balanced gap between the bracket and the
shield on each side.
INSTALL AND ADJUST THE J-HANDLE
1. Place the J-handle between the top and middle clamp pieces (Fig. 2).
2. While holding the 3 pieces together, install the 4 screws through the top clamp and into middle clamp.
NOTE:
The holes in the top and middle clamp will line up only when assembled correctly.
3. Place the clamps and the J-handle over the shaft housing and onto the bottom clamp.
4. Hold each hex nut in the bottom clamp recess with a finger. Start screws with a large Phillips screwdriver. Do not
tighten until making the handle adjustment.
5. Slide the J-handle in or out until the arrow/white line on the decal touches the clamp assembly (Fig. 2). You must
first loosen the screws if the handle is pre-installed.
6. While holding the unit in the operating position (Fig. 13), position the J-handle to the location that provides you the
best grip.
7. Tighten the clamp screws evenly until tight.
OPERATING THE RAPID-LINK® SYSTEM
The Rapid-Link® system enables the use of these optional Add-Ons.
Trimmer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AF720
Hedge Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AH720*
Brushcutter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BC720*
Bladed Pruner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BP720
Cultivator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GC720
Lawn Dethatcher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LD720
Edger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LE720*
Pole Saw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PS720
Straight Shaft Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SS725
Turbo Blower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TB720
* Do NOT use this Add-On with an electric powered unit.
REMOVING THE ADD-ON
1. Turn the knob counterclockwise to loosen (Fig. 5).
2. Press and hold the release button (Fig. 3).
3. While firmly holding the upper shaft housing,
pull the lower shaft housing straight out of the
Rapid-Link® coupler (Fig. 4).
INSTALLING THE ADD-ON
NOTE:
To make installing or removing the add-
on easier, place the unit on the ground
or on a work bench.
1. Turn knob counterclockwise to loosen (Fig. 5).
2. While firmly holding the add-on, push it straight into the Rapid-Link® coupler (Fig. 4).
NOTE:
Aligning the release button with the guide recess will help installation (Fig. 3).
3. Turn the knob clockwise to tighten (Fig. 5).
For decorative trimming/edging with the line cutting head, lock the release button
into the 90° hole (Fig. 5).
OIL AND FUEL INFORMATION
WARNING:
Overfilling oil crankcase may cause serious personal injury. Check and maintain the
proper oil level in the crank case; it is important and cannot be overemphasized. Check the oil before
each use and change it as needed. See Changing the Oil.
RECOMMENDED OIL TYPE
Using the proper type and weight of oil in the crankcase is extremely important. Check the oil before each use
and change the oil regularly. Failure to use the correct oil, or using dirty oil, can cause premature engine wear
and failure.
Use a high-quality SAE 30 weight oil of API (American Petroleum Institute) service class SF, SG, SH.
Spark Plug
Muffler
Shaft Grip
Cold Weather
Start Lever
Throttle
Control
Air Filter/Muffler
J-Handle
Cover
Screw (2)
Screws (4)
Cutting
Guard
Head
Mount
Shield
Bracket
Bottom
Clamp
Nuts
Fig. 1
Rapid-Link®
Primary Hole
Release Button
Coupler
Upper Shaft
Housing
Guide Recess
Fig. 3
90˚ Edging Hole
(Trimmer Only)
ADDING OIL TO CRANKCASE: INITIAL USE
NOTE:
This unit is shipped without oil. In order to avoid damage to the unit, put
oil in the crankcase before you attempt to start the unit.
Your unit is supplied with one 3.04 fluid oz. (90 ml) bottle of SAE 30 SF, SG, SH oil (Fig. 6).
NOTE:
Save the bottle of oil. It can be used to measure the correct amount during
future oil changes. See Changing the Oil.
1. Unscrew the top of the bottle of oil and remove the paper seal covering the
opening. Replace the top. Next, cut the tip off the funnel spout (Fig. 6).
Oil Fill Plug
2. Tip unit so that the back of the engine is facing up in a vertical position.
Fuel Cap
3. Remove the oil fill plug from the crankcase (Fig. 8).
4. Pour the entire bottle of oil into the oil fill hole (Fig. 7).
NOTE:
Never add oil to the fuel or fuel tank.
5. Wipe up any oil that may have spilled and reinstall the oil fill plug.
Check oil before each use and change as needed. Refer to Checking the Oil Level.
RECOMMENDED FUEL TYPE
Old fuel is the primary reason for improper unit performance. Be sure to use fresh,
clean, unleaded gasoline.
NOTE:
This is a four cycle engine. In order to avoid damage to the unit, do not
mix oil with gasoline.
Definition of Blended Fuels
Today's fuels are often a blend of gasoline and oxygenates such as ethanol, methanol
or MTBE (ether). Alcohol-blended fuel absorbs water. As little as 1% water in the fuel
can make fuel and oil separate or form acids when stored. Use fresh fuel (less than 30
days old), when using alcohol-blended fuel.
Primer
Using Blended Fuels
Bulb
If you choose to use a blended fuel, or its use is unavoidable, follow recommended
precautions:
• Always use fresh unleaded gasoline
• Use the fuel additive STA-BIL® or an equivalent
• Drain tank and run the engine dry before storing unit
Using Fuel Additives
WARNING:
Avoid creating a source of ignition for spilt fuel. Do not start the engine until fuel vapors dissipate.
WARNING:
and allow it to cool before filling the fuel tank. Do not smoke while filling the tank. Keep sparks and open
flames at a distance from the area.
The use of fuel additives, such as STA-BIL® Gas Stabilizer or an equivalent, will inhibit corrosion and minimize the
formation of gum deposits. Using a fuel additive can keep fuel from forming harmful deposits in the carburetor for up to
six (6) months. Add 0.8 oz. (23 ml) of fuel additive per gallon of fuel according to the instructions on the container.
NEVER add fuel additives directly to the unit's gas tank.
FUELING THE UNIT
WARNING:
Never operate the unit without the fuel cap securely in place.
WARNING:
proven that fuel containing greater than 10% ethanol will likely
damage this engine and void the warranty.
1. Remove the fuel cap (Fig. 9).
2. Place the gas container's spout into the fill hole on the fuel tank (Fig. 9) and fill the tank.
NOTE:
Do not overfill the tank.
3. Wipe up any gasoline that may have spilled.
4. Reinstall the fuel cap.
5. Move the unit at least 30 ft. (9.1 m) from the fueling source and site before starting the engine.
NOTE:
Dispose of the old gasoline in accordance with federal, state and local regulations.
WARNING:
J-Handle
Carbon monoxide exhaust fumes can be lethal in a confined area.
WARNING:
Top
Clamp
starting position when pulling the starter rope (Fig. 12). To avoid serious
injury, the operator and unit must be in a stable position while starting.
Middle
Clamp
STARTING INSTRUCTIONS
1. Check the oil level in the crankcase. Refer to Checking the Oil Level.
Fig. 2
2. Fill the fuel tank with fresh, clean unleaded gasoline. Refer to Fueling the Unit.
NOTE:
There is no need to turn the unit on. The On/Off Control is in the ON ( I )
position at all times (Fig. 10).
FOR COLD... weather conditions (below 40°F), flip the Cold Weather Start Lever (Fig. 11)
down to the start/closed position and continue to step 3. DO NOT flip this
lever down if the temperature is above 40°F.
3. Fully press and release the primer bulb 10 times, slowly. Some amount of fuel
should be visible in the primer bulb and fuel lines (Fig. 11). If fuel can not be seen
in the bulb, press and release the bulb until fuel is visible.
4. With the unit in the starting position, do not squeeze the throttle control (Fig. 12).
With a controlled and steady motion, pull the starter rope 3 to 5 times or until
engine starts.
FOR COLD... weather conditions (below 40°F), flip the Cold Weather Start Lever back
up to the run/open position after the unit has started and before squeezing
the throttle control.
5. Wait 60 seconds and then squeeze the throttle control.
6. Continue squeezing the throttle control for an additional 30 to 60 seconds to let
the engine warm up. The unit may be used during this time.
IF...
The engine does not start, go back to step 3.
IF...
The engine stops while squeezing the throttle control, go back to step 4.
STOPPING INSTRUCTIONS
1. Release your hand from the throttle control. Allow the engine to cool down by idling.
2. Press and hold the On/Off Control switch in the OFF (O) position until the unit comes to a complete stop (Fig. 10).
HOLDING THE TRIMMER
WARNING: Always wear eye, hearing, foot and body protection to
reduce the risk of injury when operating this unit.
Before operating the unit, stand in the operating position (Fig. 13). Check for the following:
• The operator is wearing eye protection and proper clothing
Lower Shaft
Housing
• With a slightly-bent right arm, the operator's hand is holding the shaft grip
Fig. 4
• The operator's left arm is straight, the left hand holding the J-handle
• The unit is at waist level
• The cutting head is parallel to the ground and easily contacts the grass without the need to bend over
TIPS FOR BEST TRIMMING RESULTS
• Keep the cutting head parallel to the ground.
• Do not force the cutting head. Allow the tip of the line to do the cutting, especially along walls. Cutting with more
than the tip will reduce cutting efficiency and may overload the engine.
• Cut grass over 8 inches (200 mm) by working from top to bottom in small increments to avoid premature line wear
Knob
or engine drag.
• Cut from right to left whenever possible. Cutting to the left improves the unit's cutting efficiency. Clippings are thrown
Fig. 5
away from the operator.
• Slowly move the trimmer into and out of the cutting area at the desired height. Move either in a forward-backward or
side-to-side motion. Cutting shorter lengths produces the best results.
• Trim only when grass and weeds are dry.
• The life of your cutting line is dependent upon:
• Following the trimming techniques
• What vegetation is being cut
• Where vegetation is cut
For example, the line will wear faster when trimming against a foundation wall as
opposed to trimming around a tree.
DECORATIVE TRIMMING
Decorative trimming is accomplished by removing all vegetation around trees, posts,
fences and more.
Rotate the whole unit so that the cutting head is at a 30° angle to the ground (Fig. 14).
OIL AND FUEL INFORMATION
Add fuel in a clean, well ventilated outdoor area. Wipe up any spilled fuel immediately.
Gasoline is extremely flammable. Ignited vapors may explode. Always stop the engine
Remove fuel cap slowly to avoid injury from fuel spray.
DO NOT USE E85 FUEL IN THIS UNIT. It has been
STARTING/STOPPING INSTRUCTIONS
Operate this unit only in a well-ventilated outdoor area.
Avoid accidental starting. Make sure you are in the
OPERATING INSTRUCTIONS
Funnel
Spout
Fig. 6
Fig. 7
Oil Fill
Plug
O-Ring
Oil Fill
Hole
Fig. 8
Gas Can Spout
Fuel Cap
Fuel Tank
Fig. 9
OFF (O)
ON (I)
Throttle
Control
Fig. 10
Cold Weather
Primer Bulb
Start Lever
Run/ Open
Close/ Start
Fig. 11
Starting Position
Starter
Rope
Throttle
Control
Fig. 12
Fig. 13
Fig. 14
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