Ryobi 770rEB Manuel d'utilisateur télécharger pdf (Page 17)

MAINTENANCE AND REPAIR INSTRUCTIONS

FREQUENCY MAINTENANCE REQUIRED REFER TO:

Before Starting Engine Fill fuel tank with correct oil and fuel mixture. Page 11

Every 10 Hours Clean and re-oil air filter. Page 20

Every 50 Hours Check spark plug condition and gap. Page 22

NOTE: Some maintenance procedures may require

special tools or skills. If you are unsure about

these procedures take your unit to an authorized

service dealer.

MAINTENANCE SCHEDULE

These required maintenance procedures should be

performed at the frequency stated in the table. They

should also be included as part of any seasonal tune-up.

WARNING: To prevent serious personal

injury, never do maintenance or repairs with

unit running. Always do maintenance and

repairs on a cool unit. Disconnect spark plug

wire to ensure the unit will not start.

Fig. 21

Fig. 23

Fig. 22

LINE INSTALLATION

Always use genuine Ryobi 0.080 inch (2.03 mm.)

replacement line. Line other than specified may make

the engine overheat or fail.

WARNING: To prevent serious personal

injury, never use metal-reinforced line, wire,

or rope, etc.. These can break off and

become a dangerous projectile.

There are two methods to replace the trimming line.

• Wind the inner reel with new line

• Install a prewound inner reel

NOTE: Replacement line Part # 610375, or a prewound

reel, Part # 153577 can be purchased from your

local authorized dealer.

Winding the Existing Inner Reel

1. Hold the outer spool with one hand and unscrew the

Bump Knob™ counterclockwise (Fig. 21). Inspect

the bolt inside the Bump Knob™ to make sure it

moves freely. Replace the Bump Knob™ if damaged.

NOTE: A Bump Knob™, Part # 153066 can be

purchased from your local authorized dealer.

4. Use a clean cloth to clean the inner reel, spring,

shaft, and inner surface of the outer spool (Fig. 23).

2. Remove the inner reel from the outer spool (Fig. 22).

3. Remove spring from the inner reel (Fig. 22).

NOTE: An inner reel spring, Part # 610317 can be

purchased from your local authorized dealer.

Inner Reel

Outer Spool

Spring

Bump Knob™

Shaft

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 27 28

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Ryobi 770rEB Manuel d'utilisateur Page 17

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