MAINTENANCE

 

 

Daily

Weekly

At

Maintenance interval

 

 

mainte-

mainte-

least

 

in hours

 

 

 

nance

nance

once

 

 

 

 

 

 

 

 

 

each

 

 

 

 

 

Maintenance

Page

Before

After

 

 

25

50

100

300

 

year

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/adjust the cutting height

-

 

 

 



 

 

 

 

 

Linkages and adjustments

43

 

 

 

 

 

 

 

z

 

Check throttle and choke cables

46

 

 

 

 

 

 

 

z

 

Clean the air cleaner’s pre-filter (foam)

39

 

 

 

z

z

 

 

 

Clean the air cleaner’s filter cartridge 2)

39

 

 

 

z

 

z

 

 

(paper filter)

 

 

 

 

 

 

 

 

 

 

Change the engine oil 1)

67

 

 

 

z

 

 

z

 

Replace the engine oil filter (every 200 hours)

47

 

 

 

z

 

 

z

 

Clean/Replace the spark plugs

36

 

 

 

z

 

 

z

 

Replace the fuel filter

40

 

 

 

z

 

 

z

 

Clean the cooling fins

-

 

 

 



 

 

 



 

Check the engine valve clearance4)

-

 

 

 



 

 

 

 



Replace the air cleaner’s pre-filter (foam)

39

 

 

 

z

 

 

 

z

Replace the air filter (paper filter,

39

 

 

 

z

 

 

z

 

every 200 hours) 2)

 

 

 

 

 

 

 

 

 

 

Check the caster wheel bolt (every 200 hours)

43

 

 

 

 

 

 

 

z

 

Lubricate according to Lubrication Schedule

65

 

z

z

z

z

z

z

z

Perform the 300-hour service 4)

95

 

 

 



 

 

 

 



Check/adjust the parking brake

-

 

 

 



 

 



 

 

 

 

 

 

 

 

 

 

 

 

 

1)First change after 8 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours. 2) In dusty conditions, cleaning and replacement are required more often. 3) For daily use, the machine should be lubricated twice weekly. 4) Performed by authorized service workshop.

z= Described in this manual

= Not described in this manual

WARNING!

No adjustments or maintenance to be carried out unless:

• The engine is stopped.

The ignition key has been removed.

The parking brake is on.

English-35

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Husqvarna WG4815E, WG3613E manual 300