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ASSEMBLE BOOM, ARM OR BUCKET CYLINDER - Continued
ASSEMBLE BOOM, ARM OR BUCKET CYLINDER - Continued

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Hydraulic System
20. For arm cylinder, install cushion (C) so wide end of
flat face is towards the end of rod and narrow end is
towards the piston.
Install retainer ring in groove.
Pull cushion out against retainer ring.
Install ring (A).
Arm Cylinder Rod Cushion
A--Ring
B--Retainer Ring
C--Cushion
D--Cushion Seal
TX,33,UU3814 1907JAN9713/17
21. Install piston (C) so flat side is against the cushion
(D) nut (A).
22. Install shim (B).
23. Install nut (A).
A--Nut
B--Shim
33
C--Piston
3360
D--Cushion
177
Continued on next page
TX,33,UU3814 1907JAN9714/17
21-209


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