Hyundai H170VC Manual page 19

Frequency
Items
Check-
Refill
Engine oil
Change
Check
Air filter
Clean
element
Change
Clean-
Spark plug
adjust
Spark Clean
arrester
Valve Check-
clearance** adjust
Check
Fuel hose
Remove
Cylinder
carbon
head, Piston
deposits
First
Every month or
time 10 hrs of
operation
√
√
√
Thereafter,
every 3 months months or 50
or 30hrs of
operation
√
√
Every 2 years (change if necessary)
Every 125 hours
Every 6 Every year
or 100 hrs
hrs of of
operation operation
√
√*
√
√