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INSTALL PISTON AND CONNECTING ROD ASSEMBLY - Continued
TORQUE-TURN CONNECTING ROD CAP SCREWS

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
IMPORTANT: NEVER use connecting rod cap screws
61
more than once for final engine
assembly. Once rod cap screws have
been tightened to final torque-turn
specification, they must not be reused
for another final assembly.
Cap screws for Precision JointTM rod
and cap are 3mm shorter than
tongue-and-groove cap screws. DO NOT
mix hardware.
7. Dip NEW connecting rod cap screws in clean oil and
install.
8. Tighten cap screws alternately to initial torque
specification.
Connecting Rod Cap Screws--Specification
Initial Torque.................................................................... 58 Nm (43 lb-ft)
9. Secondly, TORQUE-TURN all cap screws to 90--100
degrees. (See TORQUE-TURN CONNECTING ROD
CAP SCREWS next in this group.)
Precision Joint is a trademark of Deere & Company
RG,10,DT7387 1911NOV975/5
13-174


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