Husqvarna IZ 21 Lawn Mower User Manual


 
English-36
MAINTENANCE
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
Daily
mainte-
nance
Weekly
mainte-
nance
At
least
once
each
year
Maintenance interval
in hours
Maintenance
Page Before After 25 50 100 300
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)
(every 200 hours)
42
●●
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
●●●●
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.