Bedienungsanleitung Husqvarna 135 Mark II (Seite 18 von 460) (Alle Sprachen)

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product each day. Only do the maintenance work that is

found in this manual. Speak to an approved service

center about other maintenance work not found in this

manual.

Daily maintenance

• Clean the external surfaces.

• Make sure that the throttle trigger lockout and throttle

trigger work correctly.

• Clean the chain brake and make sure that it

operates correctly.

• Examine the chain catcher for damage. Replace the

chain catcher if it is damaged.

• Turn the guide bar daily for more equal wear.

• Make sure that the lubrication hole in the guide bar is

not clogged.

• Remove saw dust and other unwanted material from

below the clutch cover.

• Clean the guide bar groove.

(Fig. 58)

• Make sure that the guide bar and saw chain get

sufficient oil.

• Examine the saw chain for cracks and irregularly

worn rivets and links. If necessary, replace the saw

chain.

• Examine the saw chain for the correct tension and

for burrs on the chain drive links. If necessary,

replace the saw chain.

• Sharpen the saw chain. Refer to

To sharpen the saw

chain on page 19

• Examine the drive sprocket for too much wear and

replace if necessary.

(Fig. 59)

• Clean the air intake of the starter housing.

• Make sure that the nuts and screws are tight.

• Make sure that the controls operate correctly.

Weekly maintenance

• Make sure that the cooling system works correctly.

• Make sure that the starter, starter cord and return

spring work correctly.

• Make sure that the vibration damping elements are

not damaged.

(Fig. 60)

• File off any burrs from the edges of the guide bar.

• Clean or replace the spark arrester mesh on the

muffler.

(Fig. 61)

• Clean the external surfaces of the carburetor and its

adjacent areas.

• Clean the air filter. Install a new air filter if it is

damaged or too dirty to be fully cleaned. Refer to

clean the air filter on page 19

for more information.

Monthly maintenance

• Examine the brake band on the chain brake for

wear. Replace when the brake band thickness is

less than 0.6 mm (0.024 in) at the most worn point.

(Fig. 62)

• Examine the clutch center, clutch drum and clutch

spring for wear.

• Clean the spark plug. Make sure that the electrode

gap is correct.

(Fig. 63)

• Clean the external surfaces of the carburetor and its

adjacent areas.

• Examine the fuel filter and the fuel hose. Replace if

necessary.

• Empty the fuel tank.

• Empty the oil tank.

• Examine all cables and connections.

Yearly maintenance

• Examine the spark plug.

• Clean the external surfaces of the carburetor and its

adjacent areas.

• Clean the cooling system.

• Examine the spark arrester mesh.

• Examine the fuel filter.

• Examine the fuel hose for damage.

• Examine all cables and connections.

Intermittent maintenance

• Have an approved service center repair or replace

the muffler after 50 hours of operation.

• Do maintenance on the spark plug when:

• the power level in the engine is low.

• it is hard to start the engine.

• the engine does not work correctly at idle speed.

• Do a check of the saw chain lubrication each time

you refuel. See

To do a check of the saw chain

lubrication on page 20

To adjust the idle speed

Make sure that the air filter is clean and the air filter

cover is attached before you adjust the idle speed.

1. Turn the idle adjustment screw, which is identified

with a "T" mark, clockwise until the saw chain starts

to turn.

2. Turn the idle adjustment screw, which is identified

with a "T" mark, counterclockwise until the saw chain

stops.

3. The idle speed must be below the speed when the

saw chain starts to turn. The idle speed is correct

when the engine operates smoothly in all positions.

862 - 002 - 03.12.2018

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