Sears 25 HHT Helpful Tip, Replace Fuel Filter, Replace Spark Plug, Fuel System, Seasonal Storage

Models: 25 HHT

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REPLACE FUEL FILTER

NOTE: After adjustment, the washers be- tween the bolt head and the blade should be able to be turned by hand, but not loose enough to move when the unit is tilted from side to side.

CAUTION: If the clearance between the cutting blades is set too wide, the blades will not cut correctly. If the blades are adjusted too tight, overheating may occur.

REPLACE FUEL FILTER

To replace fuel filter, drain unit by running it dry of fuel, then remove fuel cap/retainer assem- bly from tank. Pull filter from tank and remove it from the fuel line. Install new fuel filter on fuel line; reinstall parts.

REPLACE SPARK PLUG

Replace spark plug each year to ensure the

engine starts easier and runs better. Set

 

 

 

 

 

 

spark plug gap at 0.025 inch (0.6 mm). Igni-

 

 

 

 

 

 

tion timing is fixed, nonadjustable.

 

 

 

 

Fuel Line

1.

Twist, then pull off spark plug boot.

 

 

 

 

 

 

 

 

 

 

2.

Remove spark plug from cylinder and dis-

 

 

 

 

 

 

 

card.

 

 

 

 

 

 

3.

Replace with Champion RCJ-6Y spark

 

 

 

 

 

 

 

plug and tighten securely with a 3/4 inch

 

 

 

 

 

Fuel

 

(19 mm) socket wrench.

 

 

 

 

 

 

 

 

4.

Reinstall the spark plug boot.

 

 

 

 

 

Filter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REPLACE SPARK PLUG WARNING: Perform the following steps after each use:

S Allow engine to cool, and secure the unitOIL before storing or transporting.

SStore unit and fuel in a well ventilated area

 

where fuel vapors cannot reach sparks or

Top Strap

 

open flames from water heaters, electric

 

 

 

 

 

 

motors or switches, furnaces, etc.

 

 

 

 

S Store unit with the blade cover installed.

 

 

 

 

 

Position unit so that any sharp object can-

 

 

 

 

 

not accidentally cause injury.

 

 

 

 

S

Store unit and fuel well out of the reach of

 

 

 

 

 

children.

FUEL SYSTEM

SEASONAL STORAGE

Under FUELING ENGINE in the OPERA-

Prepare unit for storage at end of season or if

TION section of this manual, see message la-

it will not be used for 30 days or more.

beled IMPORTANT regarding the use of ga-

If your unit is to be stored for a period of time:

sohol in your engine. Fuel stabilizer is an ac-

S

Clean the entire unit.

ceptable alternative in minimizing the formation

S

Store in a clean dry area.

of fuel gum deposits during storage. Add stabi-

S

Clean all parts and check for damage.

lizer to gasoline in fuel tank or fuel storage con-

 

Have damaged parts repaired or replaced

 

tainer. Follow the mix instructions found on sta-

 

by an authorized service dealer.

 

bilizer container. Run engine at least 5 minutes

S

Keep all nuts, bolts, and screws tight.

after adding stabilizer.

S

Lightly oil external metal surfaces, includ-

 

 

 

 

 

ing the blade.

 

 

 

 

 

 

 

HELPFUL TIP

 

S

Install the blade cover.

 

 

 

To oil the blade, do the following:

 

 

During storage of your gas/

 

S

Stop the engine and allow blade to come to

 

 

oil mixture, the oil will sepa-

 

 

a complete stop.

 

 

rate from the gas.

 

S

Ensure ON/OFF switch is in the OFF posi-

 

 

We recommend that you

 

 

tion.

 

 

shake the gas can weekly

 

S

Disconnect the spark plug wire.

 

 

to insure proper blending of

 

S

Apply a light machine oil along the edge of

 

 

the gas and oil.

 

 

the top strap as shown.

 

 

 

 

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Sears 25 HHT Helpful Tip, Replace Fuel Filter, Replace Spark Plug, Fuel System, Seasonal Storage, rate from the gas