MAINTENANCE

 

 

Daily

Weekly

At

Maintenance interval

 

 

mainte-

mainte-

least

 

in hours

 

 

 

nance

nance

once

 

 

 

 

Maintenance

 

 

 

 

each

 

 

 

 

Page

Before

After

 

25

50

100

300

 

year

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/adjust throttle and choke cables

41

 

 

 

 

 

 

 

Check the condition of belts, belt pulleys, etc.

46

 

 

 

 

 

 

Change the engine oil 1)

54

 

 

 

 

 

 

Replace the engine oil filter (every 200 hours)

59

 

 

 

 

 

 

Clean/replace the spark plugs

38

 

 

 

 

 

 

Replace the fuel filter

45

 

 

 

 

 

 

Replace the air filter (main cartridge) 2)

42

 

 

 

 

 

 

(every 200 hours)

 

 

 

 

 

 

 

 

 

Check the caster wheels (every 200 hours)

51

 

 

 

 

 

 

 

Clean the cooling fins 2)

-

 

 

 

 

 

 

Replace the air cleaner s pre-filter 2) (foam filter)

42

 

 

 

 

 

 

Check/adjust the mower deck

49

 

 

 

 

 

 

Change the hydraulic oil (every 300 hours)

-

 

 

 

 

 

 

Dismantle and inspect starter 4) (every 500 h)

 

 

 

 

 

 

 

 

Replace the hydraulic oil filter (every 300 hours)

-

 

 

 

 

 

 

Check the engine valve clearance 4)

-

 

 

 

 

 

 

Perform the 300-hour service 4)

74

 

 

 

 

 

 

Lubricate according to Lubrication Schedule

52

 

 

 

 

 

 

 

 

 

 

 

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.

= 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-36

Page 38
Image 38
Husqvarna IZ 21 manual Before After