Ryobi RLM46175Y 5133003671 - Инструкция по эксплуатации - Страница 11

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

Allow the blade to come to a complete stop.

2.  Turn the product on its side (air filter facing up).

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

mower deck to prevent the blade from turning.

●

Installing: See figure 12a.

●

Removing: See figure 12b.

NOTE:

 Do not wedge the block of wood between the 

blade and the plastic cover.

4.  Using a 16 mm wrench or socket (not provided), loosen 

the blade bolt by turning the bolt in a counterclockwise 

direction as viewed from the bottom of the product.

5.  Remove the blade bolt, spring 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 spring washer, and blade bolt on the shaft. 

Finger tighten the bolt by turning in a clockwise direction 

as viewed from the bottom of the product.

NOTE:

 Ensure 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 40–45 

Nm.

NOTE: 

Do not sharpen the blades; replace with new 

item. Blades need to be properly balanced to avoid 

damage and personal injury.

CLEANING THE AIR FILTER

See figure 13.

For  proper  performance  and  long  life,  keep  the  air  filter 

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.

FUEL CAP

 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 14.

Ensure the fuel tank is completely empty before tipping the 

unit over; otherwise, fuel will leak out.
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 the product upright and refill with oil following the 

instructions in the Adding/Checking Oil section.

NOTE: 

Used oil should be disposed of at an approved 

disposal site. See your local oil retailer for more 

information.

MAINTAINING THE SPARK PLUG

See figure 15.

The spark plug must be properly gapped and free of 

deposits in order to ensure proper engine operation. To 

check:
1.  Remove the spark plug boot.

2.  Clean any dirt from around base of the spark plug.

3.  Remove  the  spark  plug  using  a  13/16  in.  spark  plug 

socket (not provided).

4.  Inspect the spark plug for damage, and clean with a 

wire brush before reinstalling. If the insulator is cracked 

or chipped, spark plug should be replaced.

NOTE: 

Use the recommended E7RTC spark plug for 

replacement.

5.  Measure the plug gap. The correct gap is 0.71 mm - 

0.79 mm. To widen the gap, if necessary, carefully bend 

the ground (top) electrode. To lessen the gap, gently tap 

the ground electrode on a hard surface.

6.  Seat the spark plug in position; thread in by hand to 

prevent cross-threading.

7.  Tighten with wrench to compress the washer. If the 

spark plug is new, use 1/2 turn to compress the washer 

appropriate amount. If reusing an old spark plug, use 

1/8 to 1/4 turn for proper washer compression.

NOTE: 

An improperly tightened spark plug will become 

very hot and could damage the engine.

8.  Reinstall the spark plug boot.

MAINTAINING THE DRIVE GEAR

See figure 16.

To ensure smooth operation of the wheels, the wheel 

assembly should be cleaned before storage.
1.  Remove the hub cap.

2.  Remove the nut and the wheel and set aside.

3.  Remove the dust cover, e-ring, washer, pins, and the 

wheel gear. Clean any dirt from these items and the 

end of the drive shaft by wiping with a dry cloth. If 

necessary, rubbing alcohol may be used to remove any 

stubborn dirt.