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INSPECT PISTON PINS AND BUSHINGS - Continued
CLEAN AND INSPECT CONNECTING ROD PIN BORE

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Cylinder Block, Liners, Pistons and Rods
10
REMOVING PISTON PIN BUSHING ON TAPERED
36
PIN-END ROD
1. Select Driver JDG953-1 (A) and Receiver Cup
JDG953-2 (B) from JDG 953 Connecting Rod Bushing
Service Set to remove bushing (C) from tapered rod.
2. Slide driver into one side of rod bushing. Turn driver
until taper on driver flange matches up with taper on
the bushing.
3. Install receiver cup onto opposite side of rod bushing.
Tapered Pin-End Rod
NOTE: Stud in cup keeps rod properly located on the
cup.
4. Using hydraulic press, press bushing out of the rod
until driver and bushing fall into receiver cup.
IMPORTANT: If bushing is heavily worn, the driver
may contact the I.D. of the rod bore. Be
careful not to damage the rod bore.
Clean, inspect, and measure I.D. of rod pin bore, as
described later in this group.
Tapered Pin-End Rod
A--JDG953-1
B--JDG9532
C--Bushing
RG,10,DT7406 1912NOV972/2
13-149


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