MAINTENANCE

= Described in this manual.

= Not described in this manual.

Maintenance

Page

Daily main-

Weekly

At

Maintenance interval

 

 

tenance

3 main-

least

in hours

 

 

before after

tenance

once

25 50 100 300

 

 

 

 

 

a year

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/adjust the cutting height

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/adjust the parking brake

38

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inspect the flame arrester/spark

-

 

 

 

 

 

 

extinguisher (extra equipment)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the hydraulic oil filter

68

 

 

 

 

 

 

(every 200 hours)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the engine oil filter

68

 

 

 

 

 

 

(every 200 hours)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clean/replace the spark plugs

44

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Change the inline fuel filter

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clean the pulse air filter

42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clean the cooling fins

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the play on the engine

-

 

 

 

 

 

 

valves 4)

 

 

 

 

 

 

 

 

 

Check to see if the oil needs chang-

-

 

 

 

 

 

 

ing 4) or the filter needs changing 4)

 

 

 

 

 

 

 

 

 

in the gear box (every 500 hours)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the air cleaner’s pre-filter

39

 

 

 

 

 

 

(Oil-foam)2)

 

 

 

 

 

 

 

 

 

Replace the air filter (paper filter) 2)

39

 

 

 

 

 

 

(every 200 hours)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Perform the 300-hour service 4)

-

 

 

 

 

 

 

1)First change after 8 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours.

2)Maintenance and replacement are required more often in dusty conditions.

3)The Rider should be lubricated twice weekly with daily use.

4)Performed by an authorised service workshop.

WARNING!

No service operations may be performed on the engine or cutting unit unless:

The engine is stopped.

The parking brake is actuated.

The ignition key has been removed.

The cutting unit is disengaged.

The ignition cables have been removed from the spark plugs.

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Husqvarna ProFlex 21 manual English-31