Husqvarna EZ4216HO, EZ4217KAA, EZ4217KAA, EZ4822BI, EZ4822BI, EZ5221KAA, EZ5424BI Operator's Manual page 38

Maintenance
Check/adjust throttle and choke cables
Check the condition of belts, belt pulleys, etc.
1)
Change the engine oil
Replace the engine oil filter
Clean/replace the spark plugs
Replace the fuel filter
Replace the air filter (paper filter)
Check the caster wheels (every 200 hours)
2)
Clean the cooling fins
Replace the air cleaner's pre-filter
Check/adjust the mower deck
Check the engine valve clearance
Perform the 300-hour service
Lubricate according to Lubrication Schedule
Check transaxle oil at reservior
Change transaxle oil & filter (200 hours)
1)
First change after 5-8 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours.
cleaning and replacement are required more often.
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.
36
English-
MAINTENANCE
Page Before After
40
46
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38
44
43
2)
53
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41
2)
(foam)
51
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4)
79
4)
54
3)
For daily use, the machine should be lubricated twice weekly.
Daily Weekly At
mainte- mainte- least
nance nance once
each
year
4)
Performed by authorized service
Maintenance interval
in hours
25 50 100 300
2)
In dusty conditions,