7
REPLACING THE SPARK PLUG
Use a replacement part number
753-05255
spark plug. The correct air gap is 0.025 in. (0.635 mm).
Remove the plug after every 25 hours of operation and check its condition.
1.
Stop the engine and allow it to cool. Remove the six (6)
screws on the back of the engine cover with a Flat-head or T-
25 Torx screwdriver (Fig. 30).
2.
Grasp the plug wire firmly and pull the cap from the spark plug.
3.
Clean dirt from around the spark plug. Remove the spark plug from
the cylinder head by turning a 5/8 in. socket counterclockwise.
4.
Replace cracked, fouled or dirty spark plug. Set the air gap at
0.025 in. (0.635 mm) using a feeler gauge (Fig. 34).
5.
Install a correctly-gapped spark plug in the cylinder head.
Turn the 5/8 in. socket clockwise until snug.
If using a torque wrench torque to:
110-120 in.•lb. (12.3-13.5 N•m)
Do not over tighten.
SPARK ARRESTOR MAINTENANCE
1.
Remove the rear engine cover. See Rocker Arm Clearance.
2.
With a flat blade screwdriver or Torx T-20 bit and a T-25 bit,
remove the screws attaching the spark arrestor cover to the
muffler (Fig. 35).
3.
Pull the tab on the spark arrestor cover out of the muffler.
Remove the spark arrestor cover.
4.
Remove the spark arrestor screen from the spark arrestor
cover.
5.
Clean the spark arrestor screen with a wire brush or replace it.
6.
Reinstall the spark arrestor screen, spark arrestor cover and
screws.
CLEANING
Use a small brush to clean off the outside of the unit. Do not use strong detergents. Household cleaners
that contain aromatic oils such as pine and lemon, and solvents such as kerosene, can damage plastic
housing or handle. Wipe off any moisture with a soft cloth.
STORAGE
•
Never store the unit with fuel in the tank where fumes may reach an open flame or spark.
•
Allow the engine to cool before storing.
•
Lock up the unit to prevent unauthorized use or damage.
•
Store the unit in a dry, well-ventilated area.
•
Store the unit out of the reach of children.
LONG TERM STORAGE
1.
Drain all gasoline from the gas tank into a container. Do not use gas that has been stored for more
than 60 days. Dispose of the old gasoline in accordance to Federal, State, and Local regulations.
2.
Start the engine and allow it to run until it stalls. This ensures that all gasoline has been drained from
the carburetor.
3.
Allow the engine to cool. Remove the spark plug and put 5 drops of high quality motor oil into the
cylinder. Pull the starter rope slowly to distribute the oil. Reinstall the spark plug.
NOTE:
Remove the spark plug and drain all of the oil from the cylinder before attempting to start the
edger after storage.
4.
Change the oil, referring to Changing the Oil. Dispose of the old oil in accordance to Federal, State
and Local regulations.
5.
Thoroughly clean the unit and inspect for any loose or damaged parts. Repair or replace damaged
parts and tighten loose screws, nuts or bolts. The unit is ready for storage.
TRANSPORTING
•
Allow the engine to cool before transporting.
•
Secure the unit while transporting.
•
Drain the gas tank before transporting.
•
Tighten gas cap before transporting.
Fig. 34
0.025 in.
(0.635 mm)
WARNING:
Do not sand blast, scrape or
clean electrodes. Grit in the engine could
damage the cylinder.
TROUBLESHOOTING
If further assistance is required, contact your authorized service dealer.
CAUSE
ACTION
Old fuel
Drain gas tank and add fresh fuel
Blade bound with grass
Stop the engine and clean the blade
Dirty air filter
Clean or replace the air filter
Plugged spark arrestor
Clean or replace spark arrestor
ENGINE WILL NOT START
ENGINE WILL NOT ACCELERATE
CAUSE
ACTION
Air filter is plugged
Replace or clean the air filter
Old fuel
Drain gas tank and add fresh fuel
Improper carburetor adjustment
Adjust carburetor
CAUSE
ACTION
Empty fuel tank
Fill fuel tank with new fuel
Primer bulb wasn't pressed enough
Press primer bulb fully and slowly 10 times
Old fuel
Drain gas tank and add fresh fuel
Fouled spark plug
Replace or clean the spark plug
Plugged spark arrestor
Clean or replace spark arrestor
CAUSE
ACTION
Old fuel
Drain gas tank and add fresh fuel
Fouled spark plug
Replace or clean the spark plug
Plugged spark arrestor
Clean or replace spark arrestor
Blade cutting depth too deep
Adjust blade cutting depth
ENGINE WILL NOT IDLE
CAUSE
ACTION
Blade bound with grass
Stop the engine and clean the blade
Drive belt loose
Adjust belt tension using tension wheel
Drive belt broken
Replace belt
BLADE WILL NOT TURN
ENGINE LACKS POWER OR STALLS WHEN CUTTING
Fig. 35
Spark Arrestor Screen
Diverter
T-25 Screw
T-20 Screw
Muffler
Slot
WARNING:
To avoid serious personal injury, always turn your unit off and allow it to
cool before you clean or service it.
SPECIFICATIONS
ENGINE*
*
All specifications are based on the latest product information available at the time of printing. We
reserve the right to make changes at any time without notice.
Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air-Cooled, 4-Cycle
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8 cu. in. (29 cc)
Operating RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6,800+ rpm
Idle Speed RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,800 - 3,600 rpm
Ignition Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electronic
On/Off Stop Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Momentary
Valve clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.003–0.006 in. (0.076–0.152 mm)
Spark Plug Gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.025 inch (0.635 mm)
Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SAE 30 Oil
Crankcase Oil Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.04 oz (90 ml or 3/8 cup)
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unleaded
Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diaphragm, All-Position
Starter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring Assist Starting™ Auto Rewind
Muffler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Baffled with Guard
Throttle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Variable Speed
Fuel Tank Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 oz (414 ml)
Unit Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.1 lbs. (10.02 kg.)
Cutting Depth (maximum) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.75 in. (44.5 mm)
UNIT*
