HAKO Citymaster 90 Instruction Manual page 44

Maintenance and Care
Hako system maintenance III
The following maintenance work must
be completed by an authorized Hako
service center.
Activity
All maintenance work in accordance with Hako system maintenance II
Change air filter insert
Engine: adjust valves and change valve cover seal
Change hydraulic oil and hydraulic oil filter
Test drive and function test
44
Interval
Every 500 operating hours
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