312D and 313D Excavators Machine System Specifications Stick Cylinder Caterpillar


Stick Cylinder
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Illustration 1g02573480

Table 1
Specification for 315-3306 Stick Cylinder Gp    
Item     Qty     Part     Specification Description    
1     1     114-0763 Bushing     Outside diameter is 135.153 ± 0.033 mm (5.3210 ± 0.0013 inch).
Thickness is
2.475 ± 0.025 mm (0.0974 ± 0.0010 inch).    
2     1     170-9850 Buffer Seal     Lubricate the sealing lip lightly with the lubricant that is being sealed.    
3     1     216-0008 U-Cup Seal     Lubricate the sealing lip lightly with the lubricant that is being sealed.    
4     1     165-9293 Lip Type Seal     Lubricate the sealing lip lightly with the lubricant that is being sealed.    
5     -     -     Before assembly, apply green Loctite 609 to the wiper seal groove.    
6     1     126-1956 Bushing     Inside diameter before assembly is
100.29 ± 0.02 mm (3.948 ± 0.001 inch).
Installation depth is
10.00 ± 0.20 mm (0.394 ± 0.008 inch).    
7     2     204-2845 Ring     Lubricate the inside diameter and the outside diameter with clean grease.    
8     1     125-1286 Seal As     Lubricate the inside diameter and the outside diameter with clean grease.    
9     1     204-2846 Ring     Lubricate the inside diameter and the outside diameter with clean grease.    
10     1     315-3314 Piston     Use any one of the following methods to tighten the piston:
1. Lubricate the threads of the piston with 309-6932 Hydraulic Oil and tighten to
20500 ± 1000 N·m (15120 ± 738 lb ft).
2. Lubricate the threads of the piston with molybdenum disulfide and tighten to
13500 ± 700 N·m (9957 ± 516 lb ft).    
B     1     316-6251 Rod As     Diameter is
129.930 ± 0.030 mm (5.1153 ± 0.0012 inch).    
C     1     315-3310 Hydraulic Cylinder     Diameter is
190.00 ± 0.10 mm (7.480 ± 0.004 inch).    
D     1     126-2047 Head     Bore of the head over two lands is
130.630 ± 0.030 mm (5.1429 ± 0.0012 inch).    
11     1     228-5618 Bushing     Inside diameter before assembly is
100.29 ± 0.04 mm (3.948 ± 0.002 inch).
Installation depth is
10.00 ± 0.30 mm (0.394 ± 0.012 inch).    
12     1     103-8353 Stop     Free linear movement of stop after assembly is
0.40 ± 0.36 mm (0.016 ± 0.014 inch).    
13     2     095-0930 Retaining Ring     Maximum outside diameter of two retaining rings after assembly is
81.0 mm (3.19 inch).    
14     1     200-3620 Seal Ring     The slit of the seal ring must turn in the direction of the piston.    
15     2     095-1280 Socket Setscrew     Before assembly, apply blue Loctite 242 to the threads.
Torque to
125 ± 10 N·m (92 ± 7 lb ft).    

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