320E and 323E Excavators Machine System Specifications Caterpillar

Bucket Cylinder

Usage:

320E AWS

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Illustration 1	g02562996

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Table 1
Specification for 356-8788 Bucket Cylinder Gp
Item	Qty	Part	Specification Description
1	1	357-5712 Bushing	Inside diameter before assembly is 70.35 ± 0.03 mm (2.770 ± 0.001 inch). Installation depth is 9.85 ± 0.30 mm (0.388 ± 0.012 inch).
2	1	246-9113 Retainer	Before assembly, apply blue Loctite 242 to the threads. Torque to 35 ± 5 N·m (26 ± 4 lb ft).
3	1	357-0756 Piston	Before assembly, apply 309-6932 Hydraulic Oil to the face and threads. Torque to 5500 ± 275 N·m (4057 ± 203 lb ft).
A	1	356-8789 Cylinder As	Bore diameter is 120.00 ± 0.10 mm (4.724 ± 0.004 inch).
B	1	356-8794 Rod As	Diameter is 84.930 ± 0.038 mm (3.3437 ± 0.0015 inch).
C	1	126-2043 Head	Bore of the head over two lands is 85.630 ± 0.030 mm (3.37135 ± 0.0012 inch).
4	1	241-7382 Bushing	Inside diameter before assembly is 80.20 ± 0.04 mm (3.157 ± 0.002 inch). Installation depth is 10.0 ± 0.3 mm (0.39 ± 0.01 inch).
5	1	212-0907 Connector Plate	Before assembly, apply Loctite 271 high flex GM on the bottom side of the connector plate.
6	1	9X-3592 Seal As	Lubricate the inside diameter and the outside diameter with clean grease.
7	2	158-9063 Ring	Lubricate the inside diameter and the outside diameter with clean grease.
8	1	179-9674 Ring	Lubricate the inside diameter and the outside diameter with clean grease.
9	1	114-0756 Bushing	Outside diameter before assembly is 90.133 ± 0.033 mm (3.5485 ± 0.0013 inch). Thickness is 2.475 ± 0.025 mm (0.0974 ± 0.0010 inch).
10	1	170-9844 Buffer Seal	Lubricate the sealing lip with the lubricant that is being sealed.
11	1	170-9860 U-Cup Seal	Lubricate the sealing lip with the lubricant that is being sealed.
12	1	165-9286 Lip Type Seal	Lubricate the sealing lip with the lubricant that is being sealed.
13	-	-	Before assembly, apply green Loctite 609 to the wiper seal groove.
14	2	095-1267 Socket Setscrew	Before assembly, apply blue Loctite 242 to the threads. Torque to 30 ± 7 N·m (266 ± 62 lb in).
15	1	6V-8223 Socket Setscrew	Before assembly, apply blue Loctite 242 to the threads. Torque to 30 ± 7 N·m (266 ± 62 lb in).