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DISASSEMBLE BOOM, ARM OR BUCKET CYLINDER - Continued
DISASSEMBLE 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
13. For arm cylinder, remove ring (A) using a punch and
a hammer.
Push cushion (C) against shoulder.
Remove retainer ring (B). Remove cushion.
Take notice of the direction of flat face on cushion
and notches in cushion seal for assembly.
Remove cushion seal (D).
Arm Cylinder Rod End Cushion
14. Remove the rod guide.
A--Ring
Remove parts from rod guide and piston.
B--Retainer Ring
C--Cushion
Inspect the piston, inside the rod guide and barrel for
D--Cushion Seal
wear, scratches and nicks that may cut or damage a
seal or wear ring.
Continued on next page
TX,33,UU3813
1922SEP989/11
33
3360
163
21-195


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