Ryobi 2079r Manuel de l'opérateur télécharger pdf (Page 18)

MAINTENANCE AND REPAIR INSTRUCTIONS

REPLACING THE SPARK PLUG

Use a Champion RCJ6Y spark plug (or equivalent). The

correct air gap is 0.025 in. (0.655 mm.). Remove the plug

after every 50 hours of operation to check its condition.

1. Stop the engine and allow it to cool. Grasp the plug

wire firmly and pull the cap from the spark plug.

2. Clean dirt from around the spark plug. Remove the

spark plug from the cylinder head by turning a 5/8 in.

socket counterclockwise.

Note: Replace cracked, fouled or dirty spark plug.

3. Set the air gap at

0.025 in. (0.655 mm.) using a

feeler gauge (Fig. 24).

CAUTION: Do not sand blast, scrape, or

clean electrodes. Grit in the engine could

damage the cylinder.

0.025 in.

(0.655 mm.)

Fig. 24

ACCESSORIES/REPLACEMENT PARTS

2-Cycle Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147543

Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181765

Replacement Line . . . . . . . . . . . . . . . . . . . . . . . 612454

Replacement Line Cartridge . . . . . . . . . . . . . . . 147345

Inner Reel Spring . . . . . . . . . . . . . . . . . . . . . . . . 610636

Bump Head Knob Assembly . . . . . . . . . . . . . . . 180814

Fuel Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180000

The 2079r trimmer is convertible to a brushcutter with

the optional Brush Blade Kit. The kit contains all the

necessary parts to safely convert the trimmer to

brushcutter capability.

NOTE: A Brush Blade Kit, Part # 300026 can be

purchased from your local authorized dealer.

4. Install a correctly gaped spark plug in the cylinder

head. Tighten by turning the 5/8 in. socket clockwise

until snug.

If using a torque wrench torque to;

110-120 in.•lb. (12.3-13.5 N•m).

Do not over tighten.

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Ryobi 2079r Manuel de l'opérateur Page 18