Technical data

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Defective seal surface of Tail Cover [31] and

Feed Piston Cover [75]

Defective O-ring [71] of Feed Piston [70]

(worn, deformed or cut)

Defective O-ring [69] of

Feed Piston [70] (worn,

deformed or cut)

Defective Feed Piston

[70] sliding portion

(damaged, deformed or

broken)

Feed piston

Air leak part

Cause

When trigger valve/safety valve are OFF

When trigger valve/

safety valve are ON

Slight amount of air is always leaked out of the Feed Piston Cover [75] structurally.

When trigger valve ON/

safety valve OFF

Between feed

piston cover and

nose