Yanmar 3TNV Series Service Manual page 9

(2) How to Read the Explanations
An exploded view, sectional views, a system diagram, etc. are shown at the beginning of each
section as required for easy understanding of the mounted states of the components.
For the removal/installation of each part, the procedure is shown with the procedural step No. in the
illustration.
Precautions and key points for disassembly and reassembly of parts are described as points. In
the explanation for each point, detailed operation method, information, standard and precautions
are described.
The job contents are described in the disassembly procedure for Nos. not shown in the illustration.
Disassembly procedure
1) Follow steps (1) to (15) of the cylinder head disassembly procedure.
2) Remove the cooling water pump.
3) Remove the crankshaft pulley. (Point 1)
Operation points
Disassemble: Service point for removal
Reassemble: Service point for installation
Disassemble-Reassemble: Service point required in both removal and installation.
Description Example
Operation point to be explained on a later page.