Doosan DX60R Shop Manual page 514

7. Use specially fabricate or factory sourced tool to tighten
piston nut (22).
8. Assemble wear ring (18), slide ring (17) and set screw
(23) to piston assembly.
Reference Number
1
9. Immobilize body of cylinder before assembly.
10. Preapply fastener locking compound (Loctite #242 or
#243 or an alternate manufacturer's equivalent product) to
all end cover retaining bolts. Wrap a protective cushion
around end of rod while tightening fasteners, to prevent
possible damage to polished surface of rod, should a
wrench slip during retightening.
Cylinders
Page 30
Description
Set Screw
Figure 37
Figure 38
Figure 39
Figure 40
SP001629