HTC Z4220 Lawn Mower User Manual


 
English-35
MAINTENANCE
Maintenance Before After
Daily Weekly
At
least
once
each
year
Maintenance interval
in hours
25 50 100 300
Check/adjust throttle and choke cables
Check the condition of belts, belt pulleys, etc.
Change the engine oil
1)
Replace the engine oil lter
Clean/replace the spark plugs
Replace the fuel lter
Replace the air lter (paper lter)
2)
Check the caster wheels (every 200 hours)
Clean the cooling ns
2)
Replace the air cleaner’s pre-lter
2)
(foam)
Check/adjust the mower deck
Check the engine valve clearance
3)
Perform the 300-hour service
3)
Lubricate according to Lubrication Schedule
1)
First change after 5-8 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)
Performed by authorized service workshop.
=Described in this manual
u =Not described in this manual
WARNING!
Before performing any service or adjustment checklist:
Engage the parking brake.
Place the Blade-switch in the disengaged position.
Turn the ignition switch to “OFF” position and remove the key.
Make sure the blades and all moving parts have completely stopped.
Disconnect the spark plug wire from all spark plugs and place the wire where it
cannot come in contact with the plug.
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