1. Home
  2. Caterpillar
  3. Specifications
  4. #i04559330

320E and 323E Excavators Machine System Specifications Caterpillar


Main Control Valve

Usage:

320E LN DFG
Show/hide table
Illustration 1g02725702
(Section E-E) Travel (left side)
(Section F-F) Boom (1)
(Section G-G) Bucket
(Section H-H) Stick (2)
(Section J-J) Straight travel
(Section K-K) Travel (right side)
(Section L-L) Boom (2)
(Section M-M) Swing
(Section N-N) Stick (1)

Show/hide table
Table 1
Specification for 335-0182 Control Valve Gp and 352-7045 Main Control Valve Gp 
Item  Qty  Part  Specification Description 
1  4  352-7122 Relief Valve Gp   Torque to 95 ± 14 N·m (70 ± 10 lb ft). 
2  34  8T-4195 Bolt   Torque to 49 ± 5 N·m (36 ± 4 lb ft). 
Show/hide table
Illustration 2g02725716

Show/hide table
Table 2
Item  Qty  Part  Specification Description 
3  3  148-8395 Plug As   Torque to 50 ± 5 N·m (37 ± 4 lb ft). 
4  3  225-4818 Bolt   Torque to 10 ± 1 N·m (89 ± 9 lb in). 
5  2  7I-2272 Bolt   Torque to 7 ± 1 N·m (62 ± 9 lb in). 
6  -  -  Lubricate the O-ring seals and the backup rings of the relief valve group lightly with lubricant that is being sealed. 
7  5  225-4820 Bolt   Torque to 23 ± 2 N·m (204 ± 18 lb in). 
Show/hide table
Illustration 3g02725746
Section B-B

Show/hide table
Table 3
Item  Qty  Part  Specification Description 
8  1  323-7464 Relief Valve Gp   Lubricate the O-ring seals and the backup rings lightly with lubricant that is being sealed.
Torque to 135 ± 10 N·m (100 ± 7 lb ft). 
9  2  4T-3148 Spring  Length under test force is 24 mm (0.9 inch).
Test force is 4.02 ± 0.20 N·m (35.58 ± 1.77 lb in).
Free length after test is 34.8 mm (1.37 inch). 
10  -  -  Lubricate the backup rings lightly with lubricant that is being sealed. 
11  -  -  Lubricate the O-ring seals lightly with lubricant that is being sealed. 
12  2  255-5637 Check Valve Plug   Torque to 170 ± 15 N·m (125 ± 11 lb ft). 
Show/hide table
Illustration 4g02726276
Section D-D

Show/hide table
Table 4
Item  Qty  Part  Specification Description 
13  1  236-6419 Plug   Torque to 215 ± 20 N·m (159 ± 15 lb ft). 
14  1  7I-1248 Spring  Length under test force is 23.9 mm (0.94 inch).
Test force is 6.174 N (1.388 lb).
Free length after test is 28 mm (1.1 inch). 
Show/hide table
Illustration 5g02726348
Section P-P

Show/hide table
Table 5
Item  Qty  Part  Specification Description 
15  1  259-7514 Valve Plug  Before assembly, apply red Loctite 271 to the threads.
Torque to 55 ± 6 N·m (41 ± 4 lb ft). 
16  1  259-7513 Check Valve Spring  Length under test force is 23.90 mm (0.941 inch).
Test force is 2.90 ± 0.10 N (0.65 ± 0.02 lb).
Free length after test is 29.50 mm (1.161 inch). 

Travel (Left Side)

Show/hide table
Illustration 6g02726349
Section E-E

Show/hide table
Table 6
Item  Qty  Part  Specification Description 
17  1  104-7296 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 393 ± 20 N (88 ± 4 lb).
Free length after test is 60.03 mm (2.363 inch). 
18  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 

Boom (1)

Show/hide table
Illustration 7g02726351
Section F-F

Show/hide table
Table 7
Item  Qty  Part  Specification Description 
19  1  7I-1248 Spring  Length under test force is 23.9 mm (0.94 inch).
Test force is 6.174 N (1.388 lb).
Free length after test is 28 mm (1.1 inch). 
20  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 
21  1  104-7293 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 390 ± 20 N (88 ± 4 lb).
Free length after test is 59.68 mm (2.350 inch). 

Bucket

Show/hide table
Illustration 8g02726354
Section G-G

Show/hide table
Table 8
Item  Qty  Part  Specification Description 
22  1  7I-1248 Spring  Length under test force is 23.9 mm (0.94 inch).
Test force is 6.174 N (1.388 lb).
Free length after test is 28 mm (1.1 inch). 
23  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 
24  1  104-7293 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 390 ± 20 N (88 ± 4 lb).
Free length after test is 59.68 mm (2.350 inch). 

Stick (2)

Show/hide table
Illustration 9g02726355
Section H-H

Show/hide table
Table 9
Item  Qty  Part  Specification Description 
25  1  7I-1248 Spring  Length under test force is 23.9 mm (0.94 inch).
Test force is 6.174 N (1.388 lb).
Free length after test is 28 mm (1.1 inch). 
26  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 
27  1  104-7294 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 594 ± 30 N (134 ± 8 lb).
Free length after test is 62.27 mm (2.452 inch). 

Straight Travel

Show/hide table
Illustration 10g02726361
Section J-J

Show/hide table
Table 10
Item  Qty  Part  Specification Description 
28  1  259-7385 Spring  Length under test force is 83.50 mm (3.287 inch).
Test force is 418.6 ± 20.9 N (94.1 ± 4.7 lb).
Free length after test is 91.50 mm (3.602 inch). 
29  1  335-0275 Spring Guide   Torque to 50 ± 7 N·m (37 ± 5 lb ft). 
30  1  2S-2596 Spring  Length under test force is 7.9 mm (0.31 inch).
Test force is 0.95 ± 0.7 N (0.21 ± 0.16 lb).
Free length after test is 33.3 mm (1.31 inch). 

Travel (Right Side)

Show/hide table
Illustration 11g02726362
Section K-K

Show/hide table
Table 11
Item  Qty  Part  Specification Description 
31  1  104-7296 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 393 ± 20 N (88 ± 4 lb).
Free length after test is 60.03 mm (2.363 inch). 
32  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 

Boom (2)

Show/hide table
Illustration 12g02726364
Section L-L

Show/hide table
Table 12
Item  Qty  Part  Specification Description 
33  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 
34  1  104-7294 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 594 ± 30 N (134 ± 8 lb).
Free length after test is 62.27 mm (2.452 inch). 
35  1  7I-1248 Spring  Length under test force is 23.9 mm (0.94 inch).
Test force is 6.174 N (1.3888 lb).
Free length after test is 28 mm (1.1 inch). 

Swing

Show/hide table
Illustration 13g02726365
Section M-M

Show/hide table
Table 13
Item  Qty  Part  Specification Description 
36  1  335-0246 Spring  Length under test force is 28.50 mm (1.122 inch).
Test force is 4.10 ± 0.20 N (0.92 ± 0.04 lb).
Free length after test is 36.10 mm (1.421 inch). 
37  1  104-7293 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 390 ± 20 N (88 ± 4 lb).
Free length after test is 59.68 mm (2.350 inch). 
38  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 

Stick (1)

Show/hide table
Illustration 14g02726368
Section N-N

Show/hide table
Table 14
Item  Qty  Part  Specification Description 
39  1  153-5306 Spring  Length under test force is 31.5 mm (1.24 inch).
Test force is 4.10 ± 0.20 N (0.92 ± 0.04 lb).
Free length after test is 39.2 mm (1.54 inch). 
40  1  104-7293 Spring  Length under test force is 55.5 mm (2.19 inch).
Test force is 390 ± 20 N (88 ± 4 lb).
Free length after test is 59.68 mm (2.350 inch). 
41  1  153-5276 Special Bolt   Before assembly, apply red Loctite 271 to the threads.
Torque to 50.0 ± 9.8 N·m (36.9 ± 7.2 lb ft). 

Caterpillar Information System:

C3.4B Engines Diesel Particulate Filter Has Differential Pressure Problem
320E and 323E Excavators Machine System Specifications Pump Coupling
284-0416 Bulk Fuel Filtration Group 200 GPM Flow Rate{0599, 0680, 0706, 0782, 1250, 1280} 284-0416 Bulk Fuel Filtration Group 200 GPM Flow Rate{0599, 0680, 0706, 0782, 1250, 1280}
2011/10/11 New Software for Product Link (PL300) Is Now Available {7606, 7620}
2012/03/23 A New Torque Converter Lip Seal is Available on Certain CX31 and CX35 On-Highway Transmissions and CX31-P600 and CX35-P800 Petroleum Transmissions {3105, 7555}
2011/11/29 A New Fuel Priming Pump with Serviceable Parts Is Used on C175-16 Engines {1258}
C7.1 Marine Propulsion Engine Speed/Timing Sensor
824K Wheel Dozer, 825K Soil Compactor and 826K Landfill Compactor Machine Systems Refrigerant Compressor
C175-16 Marine Propulsion Engines Configuration Parameters
320 GC, 320 and 323 Excavator Machine Systems Specifications Swing Gear and Bearing
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562} 1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
320D and 323D Excavators Machine System Specifications Front Idler
CX31 On-Highway Transmission Transmission Planetary - Disassemble
CX31 On-Highway Transmission Transmission Planetary - Assemble
CX31 On-Highway Transmission Torque Converter Housing - Remove
CX31 On-Highway Transmission Torque Converter - Remove
CX31 On-Highway Transmission Torque Converter - Disassemble
CX31 On-Highway Transmission Torque Converter - Assemble
CX31 On-Highway Transmission Torque Converter - Install
CX31 On-Highway Transmission Retarder - Remove
CX31 On-Highway Transmission Retarder - Disassemble
CX31 On-Highway Transmission Retarder - Assemble
CX31 On-Highway Transmission Retarder - Install
CX31 On-Highway Transmission Retarder Hydraulic Control Valve - Remove
Back to top
Contacts My AVS
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.