Hokuetsu AIRMAN PDS185S-6EZ1 Instruction Manual page 51

5. Periodic Inspection/Maintenance
5.5.18 Change oil separator
2,000 hours or every 2 years

Even before the periodic interval time of replacement, replace the oil separator element whenever
the oil consumption increases and also oil is found mixed in the discharge air.
(For part number, See 5.4)

When consumption of the oil is still unusual even after cleaning strainer in the scavenging orifice
(See5.5.9), change the oil separator element with a new one.

When replacing oil separator, contact your nearest dealer because it requires expert technical
knowledge.

When changing the oil separator, both cover and element must be replaced with new ones.
5.5.19 Clean inside of fuel tank
Every 2,000 hours
When cleaning inside of fuel tank it, contact your nearest dealer because technical knowledge is
required.
5.5.20 Change nylon tubes
2,000 hours or every 2 years
Replace nylon tubes used for the oil and air piping's. When replacing it, contact your nearest dealer
because it requires expert technical knowledge.
Separator casing
A130985-1
5-16
O-ring
Element
Oil separator
Cover
Separator cover
A100371