IHI NIIGATA MG(L)26HLX, Инструкция по эксплуатации

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SECTION
４
- DISASSEMBLY AND REASSEMBLY
4.6 CRANKCASE ASSEMBLY
４－６－０４
- Pump up the hydraulic pressure (refer to tightening table), then loosen
the main bearing stud nuts one turn using bar A4.
CAUTION
When using hydraulic tools or when conducting the fuel injection valve
injection test, high- pressure fluid will gush out , leading to the danger of
injuries.
Never allow your body to gain access to the range covered by oil droplets.
In case where high-pressure oil droplets have come into your body through
the skin, then it is necessary to undergo forthwith specialist's diagnosis and
surgical treatment.
Apply hydraulic pressure only after making sure that joints are securely
connected.
- Release the hydraulic pressure and remove the jacks. Attach the hydraulic pump
now to the small bottle jack and position the jack underneath the main bearing cap
to support its weight.
Remove the two stud nuts and lower the bearing cap off of the studs.
- Remove the lower half of the main bearing shell the cap.
- To remove the upper half of the main bearing shell, rotate the crankshaft until
the removal tool (Item B1) can be inserted in the lube oil hole in the crankshaft journal.
WARNING
There is a danger of parts of the body being entangled into the rotating parts or
gears of turning device in the course of turning with the turning device.
Do not allow your hand, leg, etc. to gain access to the parts.
There is a danger of injuries being caused by contra rotation of crankshaft if
turning is carried out without opening the indicator cock or explosion check plug.
Be sure to open the indicator cock or explosion check plug when carrying out
turning.