Mitsubishi 4G1 Service Manual page 189

Coupling
TURBINE HOUSING INSTALLATION
(1) Install the turbine housing on the compressor cover while
aligning the dowel pin with the dowel pin hole.
Caution
Use care not to damage the blades of the turbine
wheel.
COUPLING INSTALLATION
(1) Install the coupling and tighten it to the specified torque.
WASTE GATE ACTUATOR OPERATION CHECK
to the actuator and make sure that the rod moves.
Caution
Do not apply a pressure of more than 85 kPa (12.4 psi)
to the actuator. Otherwise, the diaphragm may be
damaged. Never attempt to adjust the waste gate
valve.
TSB Revision
11 C-65