Yanmar 3TNV Series Service Manual page 79

4. Disassembly, Inspection and Reassembly of Engines
No. Instrument name
Contact type
16 Speedometer
Photoelectric type
17 Circuit tester
18 Compression gage kit
Application
For measuring revolution by
contacting the mortise in the revolving
shaft
For measuring revolution by sensing
the reflecting mark on the outer
periphery of the revolving shaft
For measuring resistance, voltage
and continuity of electrical circuits
For measuring compression pressure
Yanmar code No. TOL-97190080
64
Illustration