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1195425 BOOM CYLINDER GP-100MM BORE X 1002MM STROKE PART OF 1195410-Page 8 312C L EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP
LINES GP-CYLINDER
IMPLEMENTS
BOOM GP
HYDRAULIC SYSTEM
LINES GP-STICK
LINES GP-FRONT
OPERATOR STATION
CAB GP

EXCAVATOR 312C L EXCAVATOR CBA
 312C L SUPPLEMENT FOR EXCAVATOR CBA00001-UP (MACHINE) XEBP7977 312C L CBA   (2000)

HYDRAULIC SYSTEM

CYLINDER GP
BOOM CYLINDER GP-SEAL
119-5410 BOOM CYLINDER GP-SEAL
STICK CYLINDER GP-SEAL
119-5413 STICK CYLINDER GP-SEAL
BUCKET CYLINDER GP-SEAL
133-6764 BUCKET CYLINDER GP-SEAL
BOOM CYLINDER GP
119-5425 BOOM CYLINDER GP
STICK CYLINDER GP
119-5436 STICK CYLINDER GP
BUCKET CYLINDER GP
133-6765 BUCKET CYLINDER GP
 

#XEBP79770010
 

119-5425: BOOM CYLINDER GP

1195425 BOOM CYLINDER GP-100MM BORE X 1002MM STROKE
PART OF 1195410-Page 8
c964757 XEBP7977
1195425 BOOM CYLINDER GP Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 119-5426 [1] CYLINDER AS  
2. 129-7892 [1] BEARING  
3. 119-5434 J [1] RING  
4. 095-1674 J [1] SEAL-O-RING (ID=109.40mm)  
5. 105-2629 J [1] RING  
6. 125-1550 [1] PISTON  
7. 6I-6910 J [1] RING (SEALING)  
8. 7I-7513 [1] STOP  
9. 095-1627 J [2] SEAL-O-RING (ID=99.60mm)  
10. 099-0660 J [3] RING (BUCK UP)  
11. 099-0661 [1] RING (RETAINING)  
12. 114-0750 [1] BEARING  
13. 126-2151 J [1] SEAL  
14. 096-3468 J [1] SEAL  
15. 096-3467 J [1] RING (BUCK UP)  
16. 099-0668 J [1] HEAD  
17. 116-3388 J [1] SEAL  
18. 119-5430 [1] ROD AS  
19. 7Y-3428 [1] BEARING  
20. 099-0674 [1] RING  
21. 9X-7301 J [1] SEAL AS  
22. 4I-5913 [1] LOCKNUT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  119-5435 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

#XEBP79770011
 

119-5436: STICK CYLINDER GP

1195436 STICK CYLINDER GP-110MM BORE X 1194MM STROKE
PART OF 1195413-Page 9
c964758 XEBP7977
1195436 STICK CYLINDER GP Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 119-5437 [1] CYLINDER AS  
2. 5I-3035 [1] BEARING  
3. 103-8442 [1] RING  
4. 105-7398 [1] STOP  
5. 5I-3024 [1] LOCKNUT  
6. 119-5445 [1] RING  
7. 9X-3592 J [1] SEAL AS  
8. 105-7342 [1] RING  
9. 125-1551 [1] PISTON  
10. 6I-6921 J [1] RING (SEALING)  
11. 5I-3046 [1] STOP  
12. 095-1628 J [2] SEAL-O-RING (ID=109.60mm)  
13. 099-0681 J [3] RING (BUCK UP)  
14. 096-8139 [1] RING (RETAINING)  
15. 114-0755 [1] BEARING  
16. 126-2152 [1] SEAL  
17. 093-1479 J [1] SEAL  
18. 096-1054 J [1] RING (BUCK UP)  
19. 099-0686 [1] HEAD  
20. 116-3387 J [1] SEAL  
21. 119-5441 [1] ROD AS  
22. 5I-3035 [1] BEARING  
23. 095-1676 J [1] SEAL-O-RING (ID=119.40mm)  
24. 123-2002 [1] RING  
25. 103-8441 [1] RING (RETAINING)  
26. 8T-4241 [2] RING (RETAINING)  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  119-5446 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

#XEBP79770012
 

133-6765: BUCKET CYLINDER GP

1336765 BUCKET CYLINDER GP-80MM BORE X 742MM STROKE
PART OF 1336764-Page 10
c964759 XEBP7977
1336765 BUCKET CYLINDER GP Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 105-7239 [1] CYLINDER AS  
2. 105-7242 [1] BEARING  
3. 099-7002 J [1] RING  
4. 099-6998 J [1] SEAL AS  
5. 105-7252 J [1] RING  
6. 105-7251 [1] PISTON  
7. 099-7001 [1] RING (RETAINING)  
8. 095-1710 J [1] SEAL-O-RING (ID=79.40mm)  
9. 099-7000 J [1] RING (BUCK UP)  
10. 114-0752 [1] BEARING  
11. 133-6785 J [1] SEAL  
12. 099-7008 [1] RING  
13. 099-6996 J [1] SEAL  
14. 099-6999 J [1] RING (BUCK UP)  
15. 8T-3338 J [1] SEAL-O-RING (ID=84.40mm)  
16. 099-7009 [1] HEAD  
17. 116-3392 J [1] SEAL  
18. 105-7246 [1] ROD AS  
19. 103-8324 [1] BEARING  
20. 103-8331 [1] LOCKNUT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  143-7984 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

#XEBP79770013
 

119-2714: LINES GP-BOOM CYLINDER

1192714 LINES GP-BOOM CYLINDER
LEFT HAND
PART OF 1195409-Page 6
c964760 XEBP7977
1192714 LINES GP-BOOM CYLINDER Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 121-6207 [1] TUBE AS  
2. 121-6208 [1] TUBE AS  
3. 8T-4182 [8] BOLT (L=45mm)  
4. 4J-5267 [2] SEAL-O-RING (ID=24.99mm)  
5. 121-6217 [1] SUPPORT AS  
6. 8T-4196 [2] BOLT (L=35mm)  
7. 8T-4121 [6] WASHER (HARD)  
8. 121-6216 [1] SUPPORT AS  
9. 8T-4195 [4] BOLT (L=30mm)  
10. 4I-8888 [2] SEAL  
 

#XEBP79770014
 

119-2715: LINES GP-BOOM CYLINDER

1192715 LINES GP-BOOM CYLINDER
RIGHT HAND
PART OF 1195411-Page 6
c964761 XEBP7977
1192715 LINES GP-BOOM CYLINDER Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 121-6209 [1] TUBE AS  
2. 121-6210 [1] TUBE AS  
3. 8T-4182 [8] BOLT (L=45mm)  
4. 4J-5267 [2] SEAL-O-RING (ID=24.99mm)  
5. 8T-4195 [4] BOLT (L=30mm)  
6. 8T-4121 [6] WASHER (HARD)  
7. 121-6216 [1] SUPPORT AS  
8. 8T-4196 [2] BOLT (L=35mm)  
9. 121-6217 [1] SUPPORT AS  
10. 4I-8888 [2] SEAL  
 

#XEBP79770015
 

119-2716: LINES GP-STICK CYLINDER

1192716 LINES GP-STICK CYLINDER
PART OF 1195412-Page 7
c964762 XEBP7977
1192716 LINES GP-STICK CYLINDER Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4185 [8] BOLT (L=50mm)  
2. 5I-3071 [1] ELBOW  
3. 4J-5267 [2] SEAL-O-RING (ID=24.99mm)  
4. 121-6211 [1] TUBE AS  
5. 8T-4910 [4] BOLT (L=60mm)  
6. 8T-4223 [1] WASHER (HARD)  
7. 093-1292 [1] CLAMP  
8. 121-6219 [1] SUPPORT AS  
9. 8T-4121 [2] WASHER (HARD)  
10. 8T-4196 [2] BOLT (L=35mm)  
11. 121-6220 [1] SUPPORT AS  
12. 4I-8889 [2] SEAL  
 

#XEBP79770016
 

170-4158: BOOM PIPING GP

1704158 BOOM PIPING GP
c964763 XEBP7977
1704158 BOOM PIPING GP Parts scheme 1704158 BOOM PIPING GP Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-8789 [1] VALVE GP (CHECK)  
2. 086-1990 [2] VALVE SLOW RETURN  
3. 170-4133 [1] PIPE SUPPLY  
4. 170-4134 [1] PIPE SUPPLY  
5. 170-4135 [2] PIPE SUPPLY  
6. 170-4136 [1] PIPE SUPPLY  
7. 7I-7383 [2] HOSE AS (L=97cm)  
8. 170-4137 [1] PIPE SUPPLY  
9. 170-4138 [1] PIPE SUPPLY  
10. 170-4139 [1] PIPE SUPPLY  
11. 170-4140 [1] PIPE SUPPLY  
12. 170-4141 [1] PIPE SUPPLY  
13. 170-4142 [1] PIPE SUPPLY  
14. 170-4143 [1] PIPE SUPPLY  
15. 170-4144 [1] PIPE SUPPLY  
16. 4I-8977 [1] CONNECTOR  
17. [2] CONNECTOR  
18. 099-6820 [2] CONNECTOR  
19. 4I-8889 [12] SEAL RECTANGULAR  
20. 7M-8485 [2] SEAL-O-RING (ID=29.74mm)  
21. 4I-8888 [4] SEAL RECTANGULAR  
22. 095-1585 [4] SEAL-O-RING (ID=17.80mm)  
23. 6V-9746 [2] SEAL-O-RING (18.94mm)  
24. 7J-9108 [2] SEAL-O-RING (ID=15.72mm)  
25. 093-1291 [2] CLAMP  
26. 093-1292 [2] CLAMP  
27. 093-1299 [1] CLAMP  
28. 093-1300 [1] CLAMP  
29. 093-1295 [5] CLAMP  
30. 099-5408 [5] CLAMP  
31. 8T-4194 [2] BOLT (L=50mm)  
32. 8T-4190 [14] BOLT (L=60mm)  
33. 8T-4185 [2] BOLT (L=50mm)  
34. 8T-4223 [16] WASHER (HARD)  
35. 8T-4121 [2] WASHER (HARD)  
 

#XEBP79770017
 

170-4159: ARM PIPING GP

1704159 ARM PIPING GP
c964765 XEBP7977
1704159 ARM PIPING GP Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 108-7562 [1] HOSE AS (L=110cm)  
2. 4I-7681 [1] HOSE AS (L=127cm)  
3. 170-4145 [1] PIPE SUPPLY  
4. [1] PIPE SUPPLY  
5. 107-1460 [2] HOSE AS (L=98cm)  
6. 104-8982 [1] PIPE AS  
7. 170-4147 [1] ELBOW  
8. 135-1115 [1] SUPPORT AS  
9. 135-1116 [1] SUPPORT AS  
10. 4I-8888 [1] SEAL RECTANGULAR  
11. 6V-9746 [1] SEAL-O-RING (ID=18.94mm)  
12. 6V-8398 [4] SEAL-O-RING (ID=12.42mm)  
13. 4J-5140 [2] SEAL-O-RING (ID=18.64mm)  
14. 093-1291 [9] CLAMP  
15. 8T-4184 [8] BOLT (L=45mm)  
16. 8T-4194 [8] BOLT (L=50mm)  
17. 8T-4196 [2] BOLT (L=35mm)  
18. 7X-0818 [4] BOLT (L=45mm)  
19. 7X-2539 [4] BOLT (L=110mm)  
20. 8T-4223 [9] WASHER (HARD)  
21. 8T-4121 [2] WASHER (HARD)  
 

#XEBP79770018
 

5Q-2905: LINES GP-FRONT

5Q2905 LINES GP-FRONT
c964766 XEBP7977
5Q2905 LINES GP-FRONT Parts scheme
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 210-9825 [1] TUBE AS  
2. 210-9826 [1] ELBOW  
3. 6V-9182 [1] ELBOW (FACE SEAL)  
4. 4I-8789 [1] VALVE GP  
5. 7M-8485 [3] SEAL  
6. 7J-9108 [2] SEAL  
7. 9F-2167 [1] SCREW (3/8)  
8. 6V-9746 [1] SEAL  
 

#XEBP79770019
 

7Y-0059: LITERATURE GP

7Y0059 LITERATURE GP
OWNER & OPERATOR
XEBP79770019 XEBP7977
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Parts for your 312C L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5P-7958 [2] SLEEVE  
  5P-8500 [2] KEY  
  [1] ENVELOPE  
  099-3645 [1] CABLE  
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER GROUP ON CERTAIN 312C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER GROUP ON CERTAIN 312C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND TIGHTENING THE LOCK NUTS FOR THE BUCKET AND STICK CYLINDERS ON CERTAIN 312C, 312C L, 315C, AND 315C L HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND TIGHTENING THE LOCK NUTS FOR THE BUCKET AND STICK CYLINDERS ON CERTAIN 312C, 312C L, 315C, AND 315C L HYDRAULIC EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-Americas
Technical Information Bulletin
Piston Locknuts for the Stick Cylinder or the Bucket Cylinder May Become Loose
Piston Locknuts for the Stick Cylinder or the Bucket Cylinder May Become Loose
Replacement Of The Pin Assembly In The Hydraulic Cylinder Rod For The Stick Cylinder On Certain Excavators
Replacement Of The Pin Assembly In The Hydraulic Cylinder Rod For The Stick Cylinder On Certain Excavators
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Specifications
Boom Lines
312C Excavator Machine System Specifications
Lines (Boom Cylinder)
312C Excavator Machine System Specifications
Boom Cylinder
312C Excavator Machine System Specifications
Blade Lift Cylinder
312C Excavator Machine System Specifications
Stick Cylinder
312C Excavator Machine System Specifications
Bucket Cylinder
312C Excavator Machine System Specifications
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
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}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND TIGHTENING THE LOCK NUTS FOR THE BUCKET AND STICK CYLINDERS ON CERTAIN 312C, 312C L, 315C, AND 315C L HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND TIGHTENING THE LOCK NUTS FOR THE BUCKET AND STICK CYLINDERS ON CERTAIN 312C, 312C L, 315C, AND 315C L HYDRAULIC EXCAVATORS
Service Letter-Asia
Systems Operation
Cylinders (Boom, Stick and Bucket)
312C Excavator Hydraulic System
Blade Hydraulic System
312C Excavator Hydraulic System
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Contamination Control Guidelines
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND TIGHTENING THE LOCK NUTS FOR THE BUCKET AND STICK CYLINDERS ON CERTAIN 312C, 312C L, 315C, AND 315C L HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND TIGHTENING THE LOCK NUTS FOR THE BUCKET AND STICK CYLINDERS ON CERTAIN 312C, 312C L, 315C, AND 315C L HYDRAULIC EXCAVATORS
Testing and Adjusting
Cylinder Drift - Check - Empty Bucket
312C Excavator Hydraulic System
Cylinder Drift - Check - Blade (If Equipped)
312C Excavator Hydraulic System
Cylinder Speed - Check - Boom, Stick, and Bucket
312C Excavator Hydraulic System
Cylinder Speed - Check - Blade (If Equipped)
312C Excavator Hydraulic System
Cylinder Drift - Check - Loaded Bucket
312C Excavator Hydraulic System
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Disassembly and Assembly
Bucket Cylinder - Remove
312C Excavator Machine Systems
Bucket Cylinder - Install
312C Excavator Machine Systems
Blade Cylinder - Remove
312C Excavator Machine Systems
Blade Cylinder - Install
312C Excavator Machine Systems
Bucket Cylinder - Disassemble
312C Excavator Machine Systems
Bucket Cylinder - Assemble
312C Excavator Machine Systems
Stick Cylinder - Remove
312C Excavator Machine Systems
Stick Cylinder - Install
312C Excavator Machine Systems
Stick Cylinder - Disassemble
312C Excavator Machine Systems
Stick Cylinder - Assemble
312C Excavator Machine Systems
Boom Cylinder - Remove
312C Excavator Machine Systems
Boom Cylinder - Install
312C Excavator Machine Systems
Boom Cylinder - Disassemble
312C Excavator Machine Systems
Boom Cylinder - Assemble
312C Excavator Machine Systems
Service Magazine
Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09
Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08
New Torque Specification for Locknut of Stick and Bucket Cylinders {5457, 5458}
2004/07/19
New Rod Assemblies in New Bucket Cylinder Groups Have Increased Durability {5457}
2006/11/20
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28
A New Bucket Cylinder with Increased Durability Is Available for 312C and 314C CR Excavators {5457}
2009/02/23
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2011/10/17
Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30
Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}
2012/05/18

Caterpillar Parts SIS Catalog 312C L :

BUCKET CYLINDER GP-SEAL
133-6764 BUCKET CYLINDER GP-SEAL
STICK CYLINDER GP-SEAL
119-5413 STICK CYLINDER GP-SEAL
BOOM CYLINDER GP-SEAL
119-5410 BOOM CYLINDER GP-SEAL
119-5412 STICK CYLINDER GP-LINES
119-5411 BOOM CYLINDER GP-LINES
119-5409 BOOM CYLINDER GP-LINES
LAMP GP-FLOOD
153-2521 LAMP GP-FLOOD
HARNESS AS
121-1010 HARNESS AS
STICK CYLINDER GP
119-5436 STICK CYLINDER GP
BUCKET CYLINDER GP
133-6765 BUCKET CYLINDER GP
LINES GP-BOOM CYLINDER
119-2714 LINES GP-BOOM CYLINDER
LINES GP-BOOM CYLINDER
119-2715 LINES GP-BOOM CYLINDER
LINES GP-STICK CYLINDER
119-2716 LINES GP-STICK CYLINDER
BOOM PIPING GP
170-4158 BOOM PIPING GP
ARM PIPING GP
170-4159 ARM PIPING GP
LINES GP-FRONT
5Q-2905 LINES GP-FRONT

Truck sale:

Caterpillar 312C L
 
Caterpillar 312C L
- Crawler Excavators
N C MACHINERY CO.
Caterpillar 312C L, Crawler Excavators, Construction
38,500 
Caterpillar 312C L, Crawler Excavators, Construction
- Crawler Excavators
GREGORY POOLE EQUIPMENT CO.
 
65,000 
Caterpillar 312CL THMB, Crawler Excavators, Construction


 
52,000 
Caterpillar 312CL, Crawler Excavators, Construction


Caterpillar 312CL, Crawler Excavators, Construction
44,500 
Caterpillar 312CL, Crawler Excavators, Construction

FOLEY, INC.
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