Zoomlion ZA14J Operation And Safety Manual page 89

g) Air Filter
Maintenance point(s) – Replaceable element.
Interval – Every 6 months or 300 hrs of operation or as indicated by the condition indicator.
Comment – Check dust proof valve everyday.
h) Engine Coolant
Maintenance point(s) – Add/replace anti-freezing solution.
Capacity – about 11L (2.9 us gal).
Interval – Check level daily, change every 1,000 hrs or two years (whichever comes first).
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