Komatsu 4D98 Series Shop Manual page 171

11. Special Service Tools
11.2 Measuring Instruments
and strain and gap of surfaces
portions that cannot be meas
For holding the dial gage when
measuring using a dial gage,
standing angles adjustable
of crankshaft, pistons, piston pins,
of cylinder liners, rod metal, etc.
r measuring outside diameters,
depth, thickness and width
inclination and straightness of parts
9 V-block
For measuring shaft bend
11-3