308E CR Mini Hydraulic Excavator Machine System Specifications Caterpillar


Main Control Valve

Usage:

308E GBJ



Illustration 1g02874418

(C-C and R-R) Travel (first)

(D-D and S-S) Travel (second)

(E-E and T-T) Blade

(F-F) Swing

(G-G and U-U) Boom

(H-H and V-V) Bucket

(J-J and W-W) Stick

(K-K and X-X) Auxiliary

(L-L and Y-Y) Swing boom

Table 1
Specification for 381-6100 Bank Valve Gp    
Item     Qty     Part     Specification Description    
1     1     316-6212 Control Valve As     Torque to
120 ± 12 N·m (89 ± 9 lb ft).    
2     1     316-6222 Orifice     Torque to
8 ± 1 N·m (71 ± 9 lb in).    
3     7     307-2761 Relief Valve Gp     Torque to
60 ± 6 N·m (44 ± 4 lb ft).    
4     1     320-9758 Valve As     Torque to
60 ± 6 N·m (44 ± 4 lb ft).    
5     1     320-9036 Relief Valve Gp     Torque to
100 ± 10 N·m (74 ± 7 lb ft).    



Illustration 2g02874617

View A-A




Illustration 3g02874677

View B-B

Table 2
Item     Qty     Part     Specification Description    
6     1     316-6223 Orifice     Torque to
20 ± 2 N·m (177 ± 18 lb in).    



Illustration 4g02879316

View of area M

Table 3
Item     Qty     Part     Specification Description    
7     1     376-9580 Spring     Free length is
21 mm (0.8 inch).    



Illustration 5g02879320

View of area N

Table 4
Item     Qty     Part     Specification Description    
8     1     376-9580 Spring     Free length is
21 mm (0.8 inch).    



Illustration 6g02879297

Section P-P

Table 5
Item     Qty     Part     Specification Description    
9     9     316-6215 Spring     Free length is
29 mm (1.1 inch).    



Illustration 7g02876876

Section Z-Z

Table 6
Item     Qty     Part     Specification Description    
10     4     316-6213 Plug     Torque to
60 ± 6 N·m (44 ± 4 lb ft).    



Illustration 8g02876917

Table 7
Item     Qty     Part     Specification Description    
11     4     316-6221 Orifice     Torque to
8 ± 1 N·m (71 ± 9 lb in).    



Illustration 9g02876941

Section BB-BB

Table 8
Item     Qty     Part     Specification Description    
12     1     316-6222 Orifice     Torque to
8 ± 1 N·m (71 ± 9 lb in).    



Illustration 10g02877082

Section CC-CC

Table 9
Item     Qty     Part     Specification Description    
13     3     316-6218 Spring     Free length is
28 mm (1.1 inch).    

Travel (First)




Illustration 11g02876537

Table 10
Item     Qty     Part     Specification Description    
14     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
15     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    
16     1     316-6201 Orifice     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
17     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

Travel (Second)




Illustration 12g02876542

Table 11
Item     Qty     Part     Specification Description    
18     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
19     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    
20     1     316-6201 Orifice     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
21     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

Blade




Illustration 13g02876576

Table 12
Item     Qty     Part     Specification Description    
22     1     316-6194 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
23     1     385-5055 Spring     Free length is
47.1 mm (1.85 inch).    
24     1     316-6202 Plug     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
25     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

Swing




Illustration 14g02876597

Section F-F

Table 13
Item     Qty     Part     Specification Description    
26     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
27     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    

Boom




Illustration 15g02876636

Table 14
Item     Qty     Part     Specification Description    
28     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
29     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    
30     1     316-6202 Plug     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
31     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

Bucket




Illustration 16g02876637

Table 15
Item     Qty     Part     Specification Description    
32     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
33     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    
34     1     316-6201 Orifice     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
35     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

Stick




Illustration 17g02876657

Table 16
Item     Qty     Part     Specification Description    
36     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
37     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    
38     1     316-6202 Plug     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
39     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

Auxiliary




Illustration 18g02876659

Table 17
Item     Qty     Part     Specification Description    
40     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
41     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    
42     1     316-6202 Plug     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
43     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

Swing Boom




Illustration 19g02876660

Table 18
Item     Qty     Part     Specification Description    
44     1     316-6188 Cap     Torque to
30 ± 7 N·m (266 ± 62 lb in).    
45     1     316-6192 Spring     Free length is
41.5 mm (1.63 inch).    
46     1     316-6202 Plug     Torque to
15 ± 2 N·m (133 ± 18 lb in).    
47     1     316-6200 Spring     Free length is
26.5 mm (1.04 inch).    

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