Inspecting Overrunning Clutch; Inspecting Continuity Of Yoke Assembly; Inspecting Insulation Between Yoke Body And Brush - Mitsubishi Heavy Industries SL Series Service Manual

2.4.9

Inspecting overrunning clutch

Do not clean the overrunning clutch in wash oil.
Make sure that, when attempting to turn the overrunning
clutch, it locks in one direction and rotates smoothly in the
opposite direction.

2.4.10 Inspecting continuity of yoke assembly

Check that there is continuity between M terminal of field
coil and the lead wire for the brush. If no continuity is
observed, replace the yoke assembly with a new one.
2.4.11 Inspecting insulation between yoke body
and brush
Check that there is no continuity between yoke body and
brush. If continuity is observed, replace the yoke assembly
with a new one.
ELECTRICAL SYSTEM
Inspecting overrunning clutch
Inspecting field coil
12-17