Hokuetsu AIRMAN PDS185S-6EZ1 Instruction Manual page 52

5. Periodic Inspection/Maintenance
5.5.21 Change fuel hose
2,000 hours or every 2 years
In case various rubber hoses for fuel system and engine lubrication system are hardened or
deteriorated, replace them even before the specified replacement time.
When replacing it, contact your nearest dealer because it requires expert technical knowledge.
5.5.22 Change rubber hoses
3,000 hours or every 3 years
Check hoses used for oil piping for any crack or tear, and replace when an abnormality is found.
When replacing it, contact your nearest dealer because it requires expert technical knowledge.
5.5.23 Change radiator hoses
3,000 hours or every 2 years
When any crack or wear is found on the hoses, change it even before the scheduled time.
When replacing it, contact your nearest dealer because it requires expert technical knowledge.
5.5.24 Change O-ring of unloader
3,000 hours or every 3 years
When replacing it, contact your nearest dealer because it requires expert technical knowledge.
5.5.25 Change pressure regulator
Every 3,000 hours
When replacing it, contact your nearest dealer because it requires expert technical knowledge.
(For part number, See 5.4)
5.5.26 Check consumable parts of auto-relief valve
3,000 hours or every 3 years
When replacing it, contact your nearest dealer because it requires expert technical knowledge.
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