330D, 336D, 336D2, 340D and 340D2 Excavators Machine System Specifications Caterpillar

Main Hydraulic Pump

Usage:

330D L B6H

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Illustration 1	g03408105
Typical example

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Table 1
Specification for 322-8733 Main Hydraulic Pump Gp, 434-8188 Main Hydraulic Pump Gp and 477-8794 Main Hydraulic Pump Gp
Item	Qty	Part	Specification Description
1	2	451-2184 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).

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Illustration 2	g03408102
Section A-A

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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

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Illustration 3	g03408103

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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	1	5I-8811 Spring	Free length is 26.0 mm (1.02 inch).
23	2	5I-8810 Spring	Free length is 35.2 mm (1.39 inch).
24	1	5I-8800 Locknut	Torque to 160 ± 24 N·m (118 ± 18 lb ft).
25	1	160-8503 Nut	Torque to 19.0 ± 2.9 N·m (168.0 ± 26.0 lb in).
26	1	289-8180 Pilot Spring	Free length is 33.1 mm (1.30 inch).
27	1	5C-7261 Nut	Torque to 16.0 ± 2.4 N·m (142.0 ± 21.0 lb in).
28	1	129-7971 Spring	Free length is 43.4 mm (1.71 inch).
29	1	247-8736 Spring	Free length is 28.1 mm (1.11 inch).

Solenoid Valve Group

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Illustration 4	g03408104

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Table 4
Specification for 225-4518 Solenoid Valve Gp
Item	Qty	Part	Specification Description
30	2	8T-0288 Bolt	Torque to 6.9 ± 1.0 N·m (61.0 ± 9.0 lb in).
31	11	7I-8084 Plug	Torque to 8.8 ± 1.3 N·m (78.0 ± 12.0 lb in).
32	1	110-5525 Plug	Torque to 59.0 ± 8.9 N·m (44.0 ± 7.0 lb ft).
33	1	114-0623 Nut	Torque to 4.9 ± 0.5 N·m (43.4 ± 4.4 lb in).

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