330D, 336D, 336D2, 340D and 340D2 Excavators Machine System Specifications – Main Hydraulic Pump

Illustration 1 g03355063

NOTICE

The pump casing must be filled with clean hydraulic oil before operation or damage will result.

Table 1
Specification for 434-8188 Piston Pump Gp    
Item     Qty     Part     Specification Description    
1     2     8T-4131 Nut     Torque to
240 ± 36 N·m (177 ± 27 lb ft).    
2     8     6V-8200 Bolt     Torque to
98 ± 15 N·m (72 ± 11 lb ft).    
3     2     242-6914 Servo Piston     Torque to
480 ± 72 N·m (354 ± 53 lb ft).    
4     18     7I-8152 Cylinder Spring     Free length is
40.9 mm (1.61 inch).    
5     11     095-0965 Plug     Torque to
12.0 ± 1.8 N·m (106.0 ± 16.0 lb in).    
6     2     095-0966 Plug     Torque to
22.0 ± 3.3 N·m (195.0 ± 29.0 lb in).    
7     2     242-6918 Nut     Torque to
240 ± 36 N·m (177 ± 27 lb ft).    
8     1     264-8266 Bolt     Torque to
630 ± 95 N·m (465 ± 70 lb ft).    
9     8     252-9167 Bolt     Torque to
34 ± 5 N·m (301 ± 44 lb in).    
10     4     311-9548 Plug     Torque to
11.0 ± 1.7 N·m (97.4 ± 15.0 lb in).    
11     20     7I-8084 Plug     Torque to
11.0 ± 1.7 N·m (97.4 ± 15.0 lb in).    
12     4     110-5525 Plug     Torque to
59 ± 9 N·m (44 ± 7 lb ft).    
13     10     249-1306 Bolt     Torque s to
630 ± 95 N·m (465 ± 70 lb ft).    

Illustration 2 g02522560

Section A-A
Table 2
Item     Qty     Part     Specification Description    
14     11     8T-0343 Bolt     Torque to
98 ± 15 N·m (72 ± 11 lb ft).    
15     8     8T-9080 Bolt     Torque to
98 ± 15 N·m (72 ± 11 lb ft).    
16     2     249-1307 Bolt     Torque to
630 ± 95 N·m (465 ± 70 lb ft).    

Pump Head Group

Illustration 3 g03355075
Table 3
Specification for 295-9660 Pump Head Gp    
Item     Qty     Part     Specification Description    
17     10     8T-0269 Bolt     Torque to
12.0 ± 1.8 N·m (106.0 ± 16.0 lb in).    
18     2     6V-8213 Bolt     Torque to
29.0 ± 4.3 N·m (257.0 ± 38.0 lb in).    
19     2     3E-8025 Bolt     Torque to
29.0 ± 4.3 N·m (257.0 ± 38.0 lb in).    
20     4     099-2374 Bolt     Torque to
6.9 ± 1.0 N·m (61.0 ± 9.0 lb in).    
21     2     8T-8442 Bolt     Torque to
12.0 ± 1.8 N·m (106.0 ± 16.0 lb in).    
22     5     371-7201 Plug     Torque to
18.0 ± 1.8 N·m (159.3 ± 15.9 lb in).    
23     1     5I-8811 Spring     Free length is
26.0 mm (1.02 inch).    
24     2     5I-8810 Spring     Free length is
35.2 mm (1.39 inch).    
25     1     5I-8800 Locknut     Torque to
160 ± 24 N·m (118 ± 18 lb ft).    
26     1     160-850374 Nut     Torque to
19.0 ± 2.9 N·m (168.0 ± 26.0 lb in).    
27     1     289-8180 Pilot Spring     Free length is
33.1 mm (1.30 inch).    
28     1     5C-7261 Nut     Torque to
16.0 ± 2.4 N·m (142.0 ± 21.0 lb in).    
29     1     129-7971 Spring     Free length is
43.4 mm (1.71 inch).    
30     1     247-8736 Spring     Free length is
28.1 mm (1.11 inch).    

Solenoid Valve Group

Illustration 4 g02522565
Table 4
Specification for 225-4518 Solenoid Valve Gp    
Item     Qty     Part     Specification Description    
31     2     8T-0288 Bolt     Torque to
6.9 ± 1.0 N·m (61.0 ± 9.0 lb in).    
32     11     7I-8084 Plug     Torque to
8.8 ± 1.3 N·m (78.0 ± 12.0 lb in).    
33     1     110-5525 Plug     Torque to
59.0 ± 8.9 N·m (44.0 ± 7.0 lb ft).    
34     1     114-0623 Nut     Torque to
4.9 ± 0.5 N·m (43.4 ± 4.4 lb in).    
35     2     8T-2922 Bolt     Torque to
11.8 ± 1.8 N·m (104.0 ± 16.0 lb in).