Doosan GL08K - Engine Reassembly

Maintenance - 79 -
3.3. Engine Reassembly
3.3.1. General precautions
 Clean all the disassembled parts, particularly oil and water ports, using compressed air, then check
that they are free from restrictions.
 Arrange the general and special tools in order for engine assembly operation.
 To wet each sliding part, prepare the clean engine oil.
 Prepare service materials such as sealant, gaskets, etc.
 Discard used gaskets, seal rings, and consumable parts, and replace with new ones.
 Apply only the specified torque for bolts in the specified tightening order and avoid over-tightening.
 Be sure to check that all the engine parts operate smoothly after being reassembled.
 Check the bolts for looseness after reassembly.
 After completing the engine reassembly operation, check if there is missing parts or shortage of parts.
 Keep your hands clean during the working.
3.3.2. Cylinder block
 Cover the floor of the workshop with wood plate or thick paper to prevent damage to the cylinder
head and place the cylinder block with the head fitting surface facing downward.
3.3.3. Cylinder liner
 Stand the cylinder block so that the
flywheel faces downward.
 Thoroughly clean the liner flange fitting
surface and bore inside with compressed
air to prevent the entry of foreign
substances.
 After the cleaning operation, make the
cylinder liner dried up and push it into the
cylinder block by hand.
 Wet the liner inside diameter with engine
oil.
3.3.4. Oil spray nozzle
 Tighten and assemble the oil spray
nozzle flange with fixing bolts using the
spray nozzle jig.
EAMD087I
EDM3053I
Torque 4.5 kg • m