Komatsu 4D98 Series Shop Manual page 172

Il. Special Service Tools
the specified torque
or measuring gaps between ring
and ring groove, and shaft joints
For checking water leaka
For checking concentration of
antifreeze and the battery elec-
trolyte charge status
tern of fuel injection nozzle and
injection pressure
or measunng temperatures
For measuring revolution by
contacting the mortise in the
sensing the reflecting mark on the
outer periphery of the revolving
Revolvirg shalt
Reflection mark