Bedienungsanleitung Husqvarna 450 II (Seite 30 von 120) (Englisch, Portugiesisch, Spanisch)

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To use the product in cold weather

CAUTION: Snow and cold weather can

cause operation problems. Risk of too low

engine temperature or ice on the air filter

and the carburetor.

1. Clothe a part of the air intake on the starter. This

increases the engine temperature.

2. For temperatures below -5°C/23°F or in conditions

with snow, a winter cover is available. Assemble the

winter cover on the starter housing. The winter cover

decreases the flow of cool air and keeps snow away

from the carburetor space. (Fig. 89)

CAUTION: Remove the winter cover if

the temperature increases above -5°C/

23°F. Risk of too high engine

temperature and damage to the engine.

Maintenance

Introduction

WARNING: Read and understand the safety

chapter before you do maintenance on the

product.

Maintenance schedule

Daily maintenance Weekly maintenance Monthly maintenance

Clean the external parts of the prod-

uct and make sure that there is no oil

on the handles.

Clean the cooling system. Refer to

To clean the cooling system on page

Do a check of the brake band. Refer

To do a check of the brake band

on page 31

Do a check of the throttle trigger and

throttle trigger lockout. Refer to

To do

a check of the throttle trigger and

throttle trigger lockout on page 31

Do a check of the starter, starter rope

and return spring.

Do a check of the clutch centre,

clutch drum and clutch spring.

Make sure that there is no damage

on the vibration damping units.

Lubricate the needle bearing. Refer

To lubricate the needle bearing on

page 35

Clean the spark plug. Refer to

To do

a check of the spark plug on page

Clean and do a check of the chain

brake. Refer to

To do a check of the

chain brake on page 31To do a

check of the front hand guard and the

chain brake activation on page 31

Remove burrs from the edges of the

guide bar. Refer to

To do a check of

the guide bar on page 35

Clean the external parts of the carbu-

rettor.

Do a check of the chain catcher. Re-

fer to

To do a check of the chain

catcher on page 32

Clean or replace the spark arrestor

mesh on the muffler.

Do a check of the fuel filter and the

fuel hose. Replace if necessary.

Turn the guide bar, do a check of the

lubrication hole and clean the groove

in the guide bar. Refer to

To do a

check of the guide bar on page 35

Clean the carburetor area. Do a check of all cables and connec-

tions.

Make sure that the guide bar and

saw chain are getting sufficient oil.

Clean or replace the air filter. Refer

To clean the air filter on page 33

Empty the fuel tank.

Do a check of the saw chain. Refer to

To examine the cutting equipment on

page 35

Clean between the cylinder fins. Empty the oil tank.

30 1286 - 002 - 03.06.2020

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