Ryobi 310r Manuel d'utilisateur télécharger pdf (Page 16)

MAINTENANCE AND REPAIR INSTRUCTIONS (Continued)

If carbon build-up cannot be cleaned, replace the muffler.

3. Inspect the muffler mounting holes for elongation.

Replace the muffler if the holes are elongated.

Muffler Reassembly

1. Install a new gasket*. Make sure the arrow stamped

into the gasket is to your right. Tuck the tab (with the

arrow) between the cylinder and plastic shroud

(Fig. 38).

2. Install the muffler with the muffler mounting bolts (see

Fig. 35) and torque the bolts to 80-90 in•lb

(9-10.1 N•m).

Inspection and Cleaning

1. Check the inlet port of the muffler and outlet port of

the cylinder for excessive carbon deposits (Fig. 36).

Clean as required.

Fig. 35

Fig. 36

2. Inspect the baffle inside the muffler for carbon build-

up. Clean baffle by scraping carbon as required. Use a

piece of wire to clear obstructions from the small

holes in baffle (Fig. 37).

Fig. 37

Fig. 38

* Some earlier units have a muffler gasket with slots.

Muffler Gasket

Inlet Port

Exhaust

Exit Tube

Screws

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Ryobi 310r Manuel d'utilisateur Page 16