Doosan GV158TIC, Руководство по эксплуатации и техническому обслуживанию

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Disassembly and Reassembly of Major Components - 74 -
3.3. Engine Reassembly
3.3.1. Preparation and precaution before and after engine reassembly
●
Clean all the parts thoroughly and also clean thoroughly by blowing into each passage of oil and
cooling water.
●
Disposition the various special and general tools for assembling in order.
●
In order to coat the lapping parts with engine oil, prepare the clean engine oil.
●
Prepare the sub-material such as an adhesive etc.
●
Use three bond as an adhesive in the engine oil system and use silicone in the cooling system.
●
Scrap the used gasket and seal ring, consumable parts etc. and replace with new ones.
●
Tighten the various bolts in the specified tightening torque, and also according to the tightening
order but the excessive torque must be avoided.
●
Inspect if the movement of engine is smooth after assembling.
●
After completion of assembling, whether various bolts are loose or not should necessarily be
insured.
●
Make sure that there is any missing parts or insufficient parts after full completion of assembling.
Work only with clean hands.
●
Before serving any fuel system component make certain that the fuel lines are fully closed and the
fuel line pressure properly relieved.
3.3.2. Cylinder liner
●
Replace O-ring with new one without fail
and at the upper side, insert to the cylin-
der liner, but at the lower side, to the cyl-
inder block.
●
Coat the joint parts where O-ring contacts
with oil.
●
After slipping the cylinder liner smoothly
into the cylinder block, press it in being
careful for O-ring not to damage.
●
After completion of assembling the cylin-
der liner, confirm no leaks with 4 kg/cm
2
hydraulic test.
EA6M2008
O-ring
for cylinder block
O-ring
for cylinder liner
EE3OM042
Cylinder liner
insert tool