Doosan DX60R Shop Manual page 507

4. Tap two bolts into cover of cylinder head, 180° apart.
Tighten them in a staggered, even sequence, to back off
piston rod end cover from edge of cylinder wall. Look for
adequate clearance between cover and end of cylinder
wall before using a plastic or other soft-faced hammer for
final disassembly.
5. Begin withdrawing piston rod assembly, away from
cylinder. Attach a lifting support when final 1/3 of rod is
still inside barrel of cylinder. Prepare support blocks for
piston rod before it has been completely withdrawn.
6. Lower piston rod to support blocks and detach wear ring
(outer surface) (18) from end of rod.
Cylinders
Figure 17
Figure 18
Figure 19
SP001629
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