374D Excavator Machine System Specifications Boom - 7.00 m (23.0 ft) Caterpillar


Boom - 7.00 m (23.0 ft)
`



Illustration 1g02145143

(1) Stick cylinder group

(2) Stick group

(3) Boom cylinder group

Note: All bores must be free of paint. Use black molybdenum grease cartridge in order to coat all bores for the pins, the stick, the upper frame, and the cylinder pin bores.

(4) Lubricate the sealing lip of two lip type seals lightly with the lubricant that is being sealed. Install the dust seal so that the lip faces outside, as shown. Install two lip type seals so that the lip type seals do not extend beyond the face of the boss.

Note: Install the sleeve bearing in the bore so that the part number is facing outward.

(5) 234-3748 Sleeve Bearing

Inside diameter ... 140.38 ± 0.04 mm (5.527 ± 0.002 inch)
Outside diameter ... 164.290 ± 0.013 mm (6.4681 ± 0.0005 inch)
Installation depth of the sleeve bearing ... 9.5 ± 0.8 mm (0.37 ± 0.03 inch)

(6) 158-4105 Pin As

Pin diameter ... 129.85 ± 0.04 mm (5.112 ± 0.002 inch)
Bore diameter for the pin assembly ... 130.05 ± 0.05 mm (5.120 ± 0.002 inch)

(7) As required, use the following shims to adjust the minimum lateral clearance to the maximum of 1.0 mm (0.04 inch):

Thickness of the 158-3853 Shim ... 0.5 mm (0.02 inch)
Thickness of the 093-0076 Shim ... 1.0 mm (0.04 inch)
Thickness of the 093-0108 Shim ... 2.0 mm (0.08 inch)

(8) As required, use the following shims to adjust the minimum lateral clearance to the maximum of 0.8 mm (0.03 inch):

Thickness of the 158-3852 Shim ... 0.5 mm (0.02 inch)
Thickness of the 093-0077 Shim ... 1.0 mm (0.04 inch)
Thickness of the 093-0109 Shim ... 2.0 mm (0.08 inch)

(9) 234-4042 Pin As

Pin diameter ... 139.850 ± 0.040 mm (5.5059 ± 0.0016 inch)
Bore diameter for the pin ... 140.05 ± 0.05 mm (5.514 ± 0.002 inch)

(10) 208-1922 Pin

Pin diameter ... 139.850 ± 0.040 mm (5.5059 ± 0.0016 inch)
Bore diameter for the pin ... 140.05 ± 0.05 mm (5.514 ± 0.002 inch)



Illustration 2g02145145

Note: Use 5P-0960 Grease Cartridge in order to fill with grease through the grease fitting (12) after you mount the pin at the boom foot. Before you install the pipe plug (11), make sure that the grease flows out of the pipe plug hole.

Information System:

349E Excavator Hydraulic System Travel Motor - Test - Measurement of Case Drain Oil
MP15, MP20, MP30 and MP40 Multi-Processors Plate Locations and Film Locations
Installation of the 300-1190 Auxiliary Hydraulic Lines Gp {5057}
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit C9.3 Engine Supplement Refrigerant Condenser - Remove and Install
349F and 352F Excavators Hydraulic System Relief Valve (Crossover) - Test and Adjust
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Refrigerant Receiver-Dryer - Remove and Install
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit C9.3 Engine Supplement Refrigerant Compressor - Remove and Install
2010/04/28 Improved Grapple Stick Pins for the G100B Series Contractor Grapples {6307}
725C, 725C2, 730C, 730C Ejector, 730C2, 730C2 EJ, 735B, 735C, 740B, 740B Ejector, 740C Ejector and 745C Articulated Trucks VIMSTM 3G Electrical Connector - Inspect
568 Forest Machine Hydraulic System Swing Speed and Overswing on Level Ground - Check
568 Forest Machine Hydraulic System Travel on Level Ground - Test - Optional Test
568 Forest Machine Hydraulic System Travel on Level Ground - Test
374D Excavator Machine System Specifications Stick - 2.57 m (8.432 ft)
374D Excavator Machine System Specifications Stick - 3.60 m (11.8 ft)
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit C9.3 Engine Supplement Oil Pan - Remove and Install
MP15, MP20, MP30 and MP40 Multi-Processors Daily Inspection
MP15, MP20, MP30 and MP40 Multi-Processors Declaration of Conformity
C13, C15, and C18 Tier 4 Interim Engines Sensor Signal (Analog, Passive) - Test
MP15, MP20, MP30 and MP40 Multi-Processors Work Tool Installation and Removal
2010/04/15 A New Torque Is Used for Installing the Check Valve Gp into the Secondary Fuel Filter Base on Certain Machine Engines {1261, 1274, 5067}
349F and 352F Excavators Hydraulic System Main Pump (Flow) - Test - Constant Horsepower Flow Control
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Bucket Linkage Bearings and Seals - Remove and Install
Procedure to Repair The Welds on Certain Excavators Track Roller and Car Body Frames{0679, 4150, 4151, 7062}
C9.3 Engines for Caterpillar Built Machines Inlet and Exhaust Valve Seat Inserts - Remove and Install