Precautions Before And During Reassembly; Adjusting Operation - Yanmar 3TNV Series Service Manual

4.1.4 Precautions before and during reassembly

To reassemble engine components, reverse the procedure of disassembly. However, follow the
precautions below and the precautions from in chapter 4 to in chapter 7 particularly before and during
reassembly.
(1) Cleaning the component
Use particular care to clean the cylinder block, cylinder head, crankshaft, and camshaft. Ensure that
they are free from chips, dust, sand, and other foreign matter.
(2) Parts to be replaced during reassembly
Be sure to replace the following parts with new ones during assembly.
Valve stem seal
Head gasket packing
Nozzle protector and nozzle seat of the fuel injection valve
Various copper packing, O-rings and gasket packing.

4.1.5 Adjusting operation

Make sure to perform adjusting operation after completing reassembly. Refer to section 2.5 in chapter 2
for the operation procedure.
4. Disassembly, Inspection and Reassembly of Engines
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