Homelite UT10546 Cleaning The Starter Unit, Adjusting The Carburetor, Cleaning The Engine

MAINTENANCE

CLEANING THE STARTER UNIT

See Figure 63.

Use a brush or compressed air to keep the cool- ing vents of the starter assembly free and clean of debris.

ADJUSTING THE CARBURETOR

See Figure 64.

Before adjusting the carburetor:

nUse a brush or compressed air to clean the starter cover vents.

nClean the air filter. Refer to Cleaning the Air Fil- ter in the Maintenance section of this manual.

nAllow the engine to warm up prior to adjustment of engine idle speed.

WARNING:

Weather conditions and altitude may affect carburetion. Do not allow bystanders close to the chain saw while adjusting the carburetor.

Idle Speed Adjustment —The idle speed adjust- ment controls how much the throttle valve stays open when the throttle trigger is released. To adjust:

nTurn idle speed screw “T” clockwise to increase idle speed.

nTurn idle speed screw “T” counterclockwise to decrease idle speed.

WARNING:

THE SAW CHAIN SHOULD NEVER TURN AT IDLE. Serious personal injury may result from the saw chain turning at idle.

STARTER COVER

VENTS

Fig. 63

IDLE SPEED

SCREW “T”

Fig. 64

SCREWS

CYLINDER

COVER

Fig. 65

CLEANING THE ENGINE

See Figures 65 - 68.

Clean the cylinder fins and flywheel fins with compressed air or a brush periodically. Danger- ous overheating of the engine may occur due to impurities on the cylinder.

WARNING

Never run the saw without all the parts, including the clutch cover and starter housing, securely in place.

Because parts can fracture and pose a danger of thrown objects, leave repairs of the flywheel and clutch to factory trained authorized service center personnel.

Page 34 — English