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Air Intake and Exhaust System
EXTENDING TURBOCHARGER LIFE

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Air Intake and Exhaust System
AIR INTAKE AND EXHAUST SYSTEM
30
2
SPECIFICATIONS
Item
Measurement
Specification
Turbocharger (AiResearch/Garret)
Radial Bearing Clearance
0.8--0.18 mm (0.003-0.007 in.)
maximum
Turbocharger (CZ)
Radial Bearing Clearance
0.37--0.46 mm (0.015-0.018 in.)
maximum
Turbocharger (AiResearch/Garret)
Axial Bearing End Play
0.025--0.102 mm (0.001--0.004 in.)
Turbocharger (CZ)
Axial Bearing End Play
0.11--0.16 mm (0.004--0.006 in.)
Turbocharger
Actuator End Play
0.05--0.056 mm (0.002--0.022 in.)
Turbocharger-to-Exhaust Manifold
Torque
70 Nm (52 lb-ft)
Nuts
Turbocharger Oil Return Pipe Cap
Torque
24 Nm (18 lb-ft)
Screws
Turbocharger Oil Inlet Line
Torque
27Nm (20 lb-ft)
Turbocharger Air Outlet Hose Clamp
Torque
6 Nm (53 lb-in.)
Turbocharger Exhaust Adapter
Torque
47 Nm (35 lb-ft)
Turbocharger Exhaust Elbow
Torque
47 Nm (35 lb-ft)
Exhaust Manifold-to-Cylinder Head
Torque
70 Nm (52 lb-ft)
Cap Screws
Air Intake Pipe-to-Cylinder Head
Torque
70 Nm (52 lb-ft)
Air Intake Pipe Hose Clamp
Torque
6 Nm (53 lb-in.)
DPSG,OUO1004,235 1910JUL981/1
13-358


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