Husqvarna ZTH Operator's Manual page 28

Maintenance
Lubricate the steering control shafts
Lubricate the mower deck's struts
Lubricate the mower deck's cutting height adjuster 37
Check/adjust the cutting height
Clean the air cleaner's pre-filter (Oil-foam)
Clean the air cleaner's filter cartridge
(paper filter)
1)
Change the engine oil
Change the hydraulic oil (every 300 hours)
Replace the engine oil filter (every 200 hours)
Clean/replace the spark plugs
Replace the fuel filter
Clean the cooling fins
Check the play in the engine valves
Replace the air cleaner's pre-filter (Oil-foam)
Replace the air filter (paper filter)
(every 200 hours)
Perform the 300-hour service
Check/adjust the parking brake
1)
First change after 8 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours.
and replacement are required more often.
= 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.
26
English-
MAINTENANCE
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30
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31
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3)
For daily use, the machine shall be lubricated twice weekly.
Daily Weekly At
mainte- mainte- least
nance nance once
each
year
4)
Performed by authorized service workshop.
Maintenance interval
in hours
25 50 100 300
2)
In dusty conditions, cleaning