Yanmar 3TNV Series Service Manual page 77

4. Disassembly, Inspection and Reassembly of Engines
(2) Measuring instruments
No. Instrument name
1 Dial gage
2 Test indicator
3 Magnetic stand
4 Micrometer
5 Cylinder gage
6 Calipers
7 Depth micrometer
8 Square
Application
Measurements of shaft bending, and strain
and gap of surfaces
Measurements of narrow or deep portions
that cannot be measured by dial gage
For holding the dial gage when measuring
using a dial gage, standing angles
adjustable
For measuring the outside diameters of
crankshaft, pistons, piston pins, etc.
For measuring the inside diameters of
cylinder liners, rod metal, etc.
For measuring outside diameters, depth,
thickness and width
For measuring of valve sink
For measuring valve spring inclination and
straightness of parts
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Illustration