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13

MAINTAINING THE AIR FILTER

Failure to maintain the air filter can result in poor performance or can
cause permanent damage to the engine. Engine failure due to
improper air filter maintenance is not covered by the product warranty.

Cleaning the Air Filter

1. Open the air filter cover: press in the lock tab and swing the air

filter cover to the right (Fig. 15).

2. Remove the air filter (Fig. 15).
3. Wash the air filter in detergent and water. Rinse the air filter

thoroughly and allow it to dry.

4. Lightly coat the air filter with clean SAE 30 oil.
5. Squeeze the air filter to spread and remove excess oil.
6. Reinstall the air filter (Fig. 15).

NOTE:

Operating the unit without the air filter and air filter cover  will

VOID the warranty.

7. Close the air filter cover: insert the tabs on the air filter cover into

the slots on the backplate. Swing the air filter cover to the left
and press it closed until the lock tab snaps into place (Fig. 15).

WARNING:

To avoid serious personal injury, always stop

the engine and allow it to cool before cleaning or maintaining
the unit.

Fig. 15

Air Filter

Air Filter Cover

Lock Tab

Backplate

Tabs

Slots

CHANGING THE OIL

Change the oil while the engine is still warm. The oil will flow freely
and carry away more impurities.
1. Clean the area around the oil fill plug (Fig. 11) to prevent debris

from entering the oil fill hole.

2. Unscrew the oil fill plug.
3. Tip the unit vertically to pour the oil out of the oil fill hole and into

a container (Fig. 13). Allow ample time for complete drainage.

NOTE:

Dispose of the old oil according to federal, state and local

regulations.

4. Wipe up any oil that may have spilled. 
5. Pour 2.03 fl.oz. (60 ml) of SAE 30 oil into the oil fill hole. 

NOTE: DO NOT

overfill. Refer to 

Checking the Oil Level

.

NOTE:

Use the empty oil bottle saved from the initial use to

measure the correct amount of oil. Fill the oil bottle to the 2.03 fl.
oz (60 ml) fill line indicated on the back of the bottle (Fig. 14).

6. Wipe up any oil that may have spilled. 
7. Reinstall the oil fill plug.

NOTE:

Make sure the O-ring is in place on the oil fill plug (Fig. 11).

Fig. 13

Fig. 14

Fill Line

Summary of Contents for R4HB

Page 1: ...ved SERVICE IMPORTANT Read this manual thoroughly before using this product Follow all instructions DO NOT RETURN THIS UNIT TO THE RETAILER PROOF OF PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE For...

Page 2: ...ch materials Always stop the engine and allow it to cool before filling the tank Never remove the fuel tank cap or add fuel when the engine is hot Always loosen the fuel tank cap slowly to relieve any...

Page 3: ...other than the maintenance procedures described in this manual should be performed by an authorized service dealer Never remove modify or make inoperative any safety device furnished with the unit Bef...

Page 4: ...se clean fresh unleaded fuel OIL Refer to operator s manual for the proper type of oil DO NOT USE E85 FUEL IN THIS UNIT WARNING It has been proven that fuel containing greater than 10 ethanol will lik...

Page 5: ...e of printing We reserve the right to make changes at any time without notice Engine Type Air Cooled 4 Stroke Displacement 25 cc 1 52 cu in Spark Plug Gap 0 025 in 0 635 mm Spark Plug Champion QDZ4H o...

Page 6: ...wer blower tube clockwise until it locks into place Fig 2 Fig 1 Blower Outlet Upper Blower Tube Handle Fig 2 WARNING To avoid serious personal injury and damage to the unit shut the unit off before re...

Page 7: ...e 4 Unscrew the oil fill plug Fig 5 5 Pour the entire bottle into the oil fill hole Fig 5 DO NOT overfill Refer to Checking the Oil Level NOTE Never add oil to the fuel tank This unit has a four cycle...

Page 8: ...g a blended fuel Always use fresh unleaded gasoline Use the fuel additive STA BIL or an equivalent Drain the tank and run the engine dry before storing the unit Using Fuel Additives Use a fuel additiv...

Page 9: ...on 5 times Fig 8 8 DO NOT squeeze the throttle control Move the choke lever to Position 2 Fig 7 9 DO NOT squeeze the throttle control Pull the starter rope with a controlled and steady motion 3 to 5 t...

Page 10: ...the choke lever to Position 2 Fig 7 10 DO NOT squeeze the throttle control Run the electric start accessory in intervals no longer than 2 seconds each until the unit starts 11 DO NOT squeeze the thro...

Page 11: ...e at night when people might be disturbed Comply with times listed in local ordinances Usual recommendations are 9 00 a m to 5 00 p m Monday through Saturday To reduce noise levels operate the unit at...

Page 12: ...ead of the oil fill hole Fig 12 If the oil level is too low add oil to the oil fill hole until the oil level touches the bottom thread of the oil fill hole NOTE DO NOT overfill the crankcase 6 Wipe up...

Page 13: ...id serious personal injury always stop the engine and allow it to cool before cleaning or maintaining the unit Fig 15 Air Filter Air Filter Cover Lock Tab Backplate Tabs Slots CHANGING THE OIL Change...

Page 14: ...E SPEED NOTE Careless adjustments can seriously damage the unit An authorized service dealer should make carburetor adjustments If after checking the fuel and cleaning the air filter the engine still...

Page 15: ...roughly clean the unit and inspect it for any loose or damaged parts Repair or replace damaged parts and tighten loose screws nuts or bolts Preparing the Unit for Use after Long term Storage 1 Remove...

Page 16: ...Parts such as Blades Bump Knobs Outer Spools Cutting Line Inner Reels Starter Pulley Starter Ropes Drive Belts Saw Blades Guide Bars Cultivator Tines Tune ups Spark Plugs Carburettor Adjustments Filte...

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