Husqvarna Z4219 Operator's Manual page 37

Maintenance
Check/adjust throttle cable
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 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
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.
MAINTENANCE
Page Before After
39
42
52
54
37
40
2)
50
-
2) 40
(foam)
46
-
4)
70
4)
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,
35
English-