320 GC, 320 and 323 Excavator Machine Systems Specifications Caterpillar


Bucket Linkage

Usage:

320 GC BR4


Illustration 1g03860499
Typical example

Table 1
Item  Qty  Part  Specification Description 
Before assembly, coat all bores for the pins and the sealing lips with black 5P-0960 Grease Cartridge. 
166-1494 Lip Type Seal  Lubricate the sealing lip of lip type seals lightly with the lubricant that is being sealed. Install the dust seal so that the lip faces the outside, as shown. Install lip type seals so that lip of the lip type seals do not extend beyond the face of the boss. 
Bushing  Bore before assembly is 80.20 ± 0.04 mm (3.157 ± 0.002 inch)(1).
Bore before assembly is 8.30 ± 0.03 mm (0.327 ± 0.00 inch)(2).
Installation depth is 9.5 ± 0.8 mm (0.37 ± 0.03 inch)
Pin  Diameter is 79.850 ± 0.025 mm (3.1440 ± 0.0010 inch)
451-2183 Nut  Position the nut (5) to the distance of 0.5 mm (0.02 inch) past the end of the bolt. For locking, tighten the nut (5) against the nut (4).
Torque to 175 ± 30 N·m (129 ± 22 lb ft)
451-2183 Nut 
3B-8489 Grease Fitting  During assembly of linkage group on the machine, rotate the rod end of the bucket cylinder to position the grease fitting away from the stick. 
Pin  Diameter is 69.850 ± 0.025 mm (2.7500 ± 0.0010 inch)
087-5805 Pin As  Diameter is 79.850 ± 0.025 mm (3.1440 ± 0.0010 inch)
Bushing  Bore before assembly is 80.20 ± 0.04 mm (3.157 ± 0.002 inch)(3).
Bore before assembly is 8.30 ± 0.03 mm (0.327 ± 0.00 inch)(4).
Installation depth is 9.5 ± 0.2 mm (0.37 ± 0.01 inch)
(1) For part number 244-4360
(2) For part number 563-4063
(3) For part number 240-2912
(4) For part number 563-4064

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