Waste Gate Valve Adjustment Procedure - Yanmar 3TNV Series Service Manual

8. Turbochager

8.3.3 Waste gate valve adjustment procedure

Rotor play in radial direction
It is indispensable to adjust the waste gate valve opening pressure and lift after its overhaul or inner
parts replacement.
Negligence of this adjustment will adversely affect the engine performance.
[NOTICE]
If the adjustment is impossible, give up overhaul but replace the whole turbocharger assembly.
(1) Method for checking the waste gate valve opening pressure and lift
(a) Equipment
Prepare the equipment shown in the figure below.
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