Ryobi RLM4619SME Manuel de l'opérateur télécharger pdf (Page 9)

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5. Run the engine in place for approximately 30 seconds.

6. Shut off the engine.

7. Turn off the water supply.

8. Inspect the underside of the mower deck for cleanliness,

and repeat the cleaning procedure if desired.

LUBRICATION

All of the bearings in this product are lubricated with

a sufﬁ cient amount of high grade lubricant for the life of

the unit under normal operating conditions. Therefore, no

further bearing lubrication is required.

WARNING

Always protect hands by wearing heavy gloves and/or

wrapping the cutting edges of the blade with rags and

other material when performing blade maintenance.

Contact with the blade could result in serious personal

injury.

REPLACING THE CUTTING BLADE

See figure 10.

For best results, the mower blade must be kept sharp.

Replace a bent or damaged blade immediately.

WARNING

Only use replacement blades approved by the

manufacturer of your mower. Using a blade not approved

by the manufacturer of your mower is hazardous and

could result in serious injury, damage your mower, and

void your warranty.

WARNING

Drain the fuel first before tilting the mower to replace the

blade.

1. Stop the engine and disconnect the spark plug wire.

Allow blade to come to a complete stop.

2. Turn the mower on its side (carburetor facing up).

3. Wedge a block of wood between the blade and mower

deck to prevent the blade from turning.

4. Using a 9/16-in. wrench or socket (not provided), loosen

the blade bolt by turning the bolt in a counterclockwise

direction as viewed from the bottom of the mower.

5. Remove the blade bolt, lock washer, flat washer, and

blade.

6. Place the new blade on the shaft. Make sure it is

installed with the curved ends pointing up toward the

mower deck and not down toward the ground.

7. Replace the flat washer, lock washer, and blade bolt

on the shaft. Finger tighten the bolt by turning in a

clockwise direction as viewed from the bottom of the

mower.

NOTE: Make certain all parts are replaced in the exact

order in which they were removed.

8. Torque the blade bolt down using a torque wrench (not

provided) to ensure the bolt is properly tightened.

9. The recommended torque for the blade bolt is 48–55

Nm (35–40 ft.lb.).

NOTE: We do not recommend sharpening the blade,

but if you do, be sure the blade is balanced before

reinstalling.

REPLACING THE WHEELS

See figure 14.

1. Stop the engine and disconnect the spark plug wire.

Allow blade to come to a complete stop.

2. Remove the hub cap.

3. Remove the nut from the wheel axle, then remove the

wheel.

4. Replace with new wheel and reinstall nut to secure.

CLEANING THE AIR FILTER

See figure 12.

For proper performance and long life, keep the air ﬁ lter

clean.

1. Remove the air filter cover by pushing down the latch

while gently pulling out the cover.

2. Remove the air filter and clean it in warm soapy water.

Rinse and let dry completely.

3. Apply a light coat of engine oil to the air filter, then

squeeze it out using an absorbent cloth or paper towel.

4. Reinstall the air filter into the air filter base.

5. Replace and secure the air filter cover.

NOTE: The filter should be replaced annually for best

performance.

WARNING

A leaking fuel cap is a fire hazard and must be replaced

immediately.

The fuel cap contains a non-serviceable filter and a

check valve. A clogged fuel cap will cause poor engine

performance. If performance improves when the fuel

cap is loosened, check valve may be faulty or clogged.

Replace fuel cap if required.

CHANGING THE ENGINE OIL

See figure 13.

Engine oil should be changed after every 25 hours of use.

Change the oil while the engine oil is still warm, but not hot.

This allows the oil to drain quickly and completely.

1. Remove the oil fill cap/dipstick.

2. Tip mower onto its side and allow oil to drain from the oil

fill hole into an approved container.

3. Place mower upright and refill with oil.

NOTE: Used oil should be disposed of at an approved

disposal site. See your local oil retailer for more

information.

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Ryobi RLM4619SME Manuel de l'opérateur Page 9

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