Ryobi ZR51950A Manuel d'utilisateur télécharger pdf (Page 22)

Checking the Fuel Cap

WARNING:

A leaking fuel cap is a re hazard and must be

replaced immediately.

The fuel cap contains a non-serviceable lter and check

valve. A clogged fuel lter causes poor engine performance.

If performance improves when the fuel cap is loosened,

the check valve may be faulty or the lter may be clogged.

Replace the fuel cap if necessary.

Cleaning the Air Filter

See Figure 22.

Clean the air lter as indicated by the maintenance schedule.

Follow these steps to clean the air lter.

1. Stop the trimmer.

WARNING:

Make sure the trimmer head stops rotating when

you release the trigger. Contact with a rotating

trimmer head could cause personal injury.

2. Remove the spark plug boot.

3. Loosen the air lter cover by turning the knob counter-

clockwise.

4. Remove the air lter cover.

5. Remove the air lter.

6. Clean the air lter with warm soapy water.

7. Rinse the air lter and let it dry completely.

8. Work two drops of oil into the air lter.

9. Replace the air lter (ts only one way).

10. Replace the air lter cover.

11. Tighten the air lter cover by turning the knob clock-

wise.

12. Replace the spark plug boot.

Note: Replace the air lter (Part No. 88048) as indi-

cated by the maintenance schedule.

Replacing the Spark Arrester

See Figure 23.

The spark arrester may need to be replaced after repeated

use. If replacement is necessary, use Ryobi part number

986179001.

To replace the spark arrester:

1. Remove the ve screws that hold the cover.

Note: Removing these screws requires the use of a T20

and T25 torx screwdriver.

2. Remove the cover.

3. Remove the mufer assembly and mufer gasket. It

may be necessary to work the mufer assembly free

from the mufer gasket.

4. Remove the three screws that hold the plates on the

mufer.

5. Remove the spark arrester.

6. Replace the old spark arrester with the new one.

7. Reassemble the mufer by reinstalling the plates and

tightening the three screws.

8. Reassemble the mufer and mufer cover and attach to

the mufer gasket with the two screws.

9. Reinsert the mufer assembly.

10. Reinstall the cover on the tool and fasten with the ve

screws.

Note: Do not overtighten screws.

Figure 22

Figure 23

Maintenance

Air Filter

Air

Filter

Cover

Knob

Spark

Arrester

Plates

Muffler

Cover

Muffler

Gasket

Screw(s)

Cover

Screw(s)

Muffler

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 28

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Ryobi ZR51950A Manuel d'utilisateur Page 22

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