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486-5181 COVER GP-VALVE MECHANISM PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY AN ATTACHMENT 304E2 CR


BASIC ENGINE
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP
CYLINDER HEAD GP
FLYWHEEL GP
GEAR GP
LIFTING GP-ENGINE
MOUNTING GP-ENGINE

MINI HYD EXCAVATOR 304E2 CR MINI HYD EXCAVATOR HC5
 304E2 CR Mini Hydraulic Excavator HC500001-UP (MACHINE) POWERED BY C2.4 Engine SEBP7618 304E2 CR HC5   (2015)

BASIC ENGINE

VALVE MECHANISM GP
COVER GP-VALVE MECHANISM
486-5181 COVER GP-VALVE MECHANISM
VALVE MECHANISM GP
383-0153 VALVE MECHANISM GP
 

#SEBP76180010
 

486-5181: COVER GP-VALVE MECHANISM

486-5181 COVER GP-VALVE MECHANISM
PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY
AN ATTACHMENT
i06219648 SEBP7618
4865181 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 477-7644 [1] COVER AS-VALVE  
1A. 383-0382 [1] PIPE  
1B. 418-0969 [1] COVER-BREATHER  
1C. 388-7490 [2] SEAL-O-RING  
1D. 477-7764 [1] SPACER  
1E. 477-7554 [4] SCREW  
1F. 466-2032 [4] WASHER  
2. 383-0565 [1] GASKET  
3. 383-0574 [10] BOLT  
4. 436-0817 [1] PLUG AS (ENGINE OIL FILLER)  
4A. 383-0217 [1] SEAL-O-RING  
 

#SEBP76180011
 

478-1966: CRANKSHAFT GP

478-1966 CRANKSHAFT GP
PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY
AN ATTACHMENT
i06219671 SEBP7618
4781966 CRANKSHAFT GP Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 383-0467 [1] BEARING-CRANKSHAFT  
2. 383-0469 [2] BUSHING  
3. 383-0470 [2] BUSHING  
4. 383-0392 [1] COLLAR-CAMSHAFT  
5. 383-0533 [1] CRANKSHAFT AS  
5A. 383-0231 [4] BALL  
5B. 383-0393 [1] BEARING-CRANKSHAFT  
6. 477-7778 [1] SEAL-OIL  
7. 383-0292 [1] SLINGER-OIL  
8. 477-7782 [1] GEAR (34-TEETH)  
9. 383-0228 [1] KEY-FEATHER  
10. 383-0271 [1] NUT  
11. 383-0398 [1] PIN-STRAIGHT  
12. 383-0210 [1] SEAL-O-RING  
13. 389-0724 [1] BEARING-MAIN (0.20-MM UNDERSIZE)  
14. 389-0725 [1] BEARING-MAIN (0.40-MM UNDERSIZE)  
15. 389-0726 [2] BEARING-THRUST (0.20-MM OVERSIZE)  
16. 389-0728 [2] BEARING-THRUST (0.20 OVERSIZE)  
17. 389-0727 [2] BEARING-THRUST (0.40-MM OVERSIZE)  
18. 389-0729 [2] BEARING-THRUST (0.40 OVERSIZE)  
 

#SEBP76180012
 

477-7631: CYLINDER BLOCK AS

477-7631 CYLINDER BLOCK AS
PART OF 486-5178 CYLINDER BLOCK GP
AN ATTACHMENT
i06222683 SEBP7618
4777631 CYLINDER BLOCK AS Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 383-0303 [5] PLUG  
2. 383-0304 [2] PLUG  
3. 383-0385 [3] PLUG  
4. 383-0337 [1] PLUG  
5. 383-0260 [4] CAP  
6. 477-7779 [2] PIPE AS-WATER  
7. 383-0261 [2] CAP  
8. 383-0219 [2] PIN  
9. 383-0220 [2] PIN  
10. 383-0221 [1] PIN  
11. 383-0272 [1] PIN  
12. 379-0869 [1] CONNECTOR  
 

#SEBP76180013
 

486-5178: CYLINDER BLOCK GP

486-5178 CYLINDER BLOCK GP
PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY
AN ATTACHMENT
i06219683 SEBP7618
4865178 CYLINDER BLOCK GP Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 477-7631 Y [1] CYLINDER BLOCK AS  
2. 477-7637 [1] PIPE AS  
3. 486-5191 [1] ADAPTER  
4. 383-0256 [1] GASKET  
5. 383-0303 [1] PLUG  
6. 383-0432 [1] CASE AS  
6A. 383-0468 [2] BEARING (STANDARD MAIN BEARINGS)  
  AB [2] BEARING (0.20-MM US)  
  AB [2] BEARING (0.40-MM US)  
6B. 383-0447 [2] BOLT  
7. 383-0446 [1] GASKET  
8. 383-0532 [1] COVER  
9. 383-0451 [1] GASKET  
10. 383-0174 [8] BOLT  
11. 383-0175 [8] BOLT  
12. 383-0347 [1] SEAL (REAR)  
13. 383-0457 [1] CASE AS  
13A. 383-0468 [2] BEARING (STANDARD MAIN BEARINGS)  
  AB [2] BEARING (0.20-MM US)  
  AB [2] BEARING (0.40-MM US)  
13B. 383-0447 [2] BOLT  
14. 383-0458 [1] CASE AS  
14A. 383-0468 [2] BEARING (STANDARD MAIN BEARINGS)  
  AB [2] BEARING (0.20-MM US)  
  AB [2] BEARING (0.40-MM US)  
14B. 383-0447 [2] BOLT  
15. 383-0459 [1] CASE AS  
15A. 383-0468 [2] BEARING (STANDARD MAIN BEARINGS)  
  AB [2] BEARING (0.20-MM US)  
  AB [2] BEARING (0.40-MM US)  
15B. 383-0447 [2] BOLT  
16. 383-0305 [3] BOLT  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP76180014
 

477-7632: CYLINDER HEAD AS

477-7632 CYLINDER HEAD AS
PART OF 477-7976 CYLINDER HEAD GP
AN ATTACHMENT
i06221505 SEBP7618
4777632 CYLINDER HEAD AS Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 383-0259 [12] CAP  
2. 383-0262 [1] CAP  
3. 383-0283 [2] PLUG  
4. 383-0360 [4] SEAT-VALVE (EXHAUST)  
5. 383-0361 [4] SEAT-VALVE (INLET)  
6. 383-0473 [4] GUIDE-VALVE (EXHAUST)  
7. 383-0555 [4] GUIDE-VALVE (INLET)  
 

#SEBP76180015
 

477-7976: CYLINDER HEAD GP

477-7976 CYLINDER HEAD GP
PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY
AN ATTACHMENT
i06219474 SEBP7618
4777976 CYLINDER HEAD GP Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 383-0263 [8] SEAL  
2. 383-0264 [8] CAP  
3. 383-0265 [8] RETAINER  
4. 383-0266 [8] COLLAR  
5. 383-0387 [18] BOLT  
6. 383-0494 [1] GASKET (1.15-MM THK)  
  383-0493 B [1] GASKET (1.2-MM THK)  
  383-0495 B [1] GASKET (1.25-MM THK)  
  383-0496 B [1] GASKET (1.30-MM THK)  
  383-0497 B [1] GASKET (1.35-MM THK)  
7. 477-7632 Y [1] CYLINDER HEAD AS  
8. 383-0534 [4] VALVE-INLET  
9. 383-0535 [4] VALVE-EXHAUST  
10. 383-0554 [8] SPRING-VALVE  
11. 439-6360 [1] PLUG  
12. 386-6926 [1] WASHER  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP76180016
 

486-5182: FLYWHEEL GP

486-5182 FLYWHEEL GP
PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY
AN ATTACHMENT
i06219654 SEBP7618
4865182 FLYWHEEL GP Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 486-5193 [1] FLYWHEEL AS  
1A. 383-0420 [1] GEAR-RING  
2. 383-0576 [6] BOLT  
3. 486-5198 [1] HOUSING AS  
3A. 383-0188 [1] BOLT  
3B. 486-5199 [1] BRACKET-SENSOR  
4. 383-0345 [11] BOLT  
 

#SEBP76180017
 

486-5180: HOUSING GP-FRONT

486-5180 HOUSING GP-FRONT
PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY
AN ATTACHMENT
i06219618 SEBP7618
4865180 HOUSING GP-FRONT Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 486-5192 [1] HOUSING AS-FRONT  
2. 383-0336 [2] PLUG  
3. 383-0220 [2] PIN  
4. 477-7633 [1] GASKET  
5. 383-0189 [1] BOLT  
6. 383-0426 [8] BOLT  
7. 464-6968 [2] BOLT  
8. 383-0193 [4] BOLT  
9. 383-0281 [1] SPRING  
10. 383-0302 [1] GUIDE  
11. 383-0234 [1] BALL  
12. 477-7598 [1] FLANGE AS  
12A. 383-0486 [1] PLUG  
13. 383-0423 [1] GASKET  
14. 477-7553 [3] BOLT  
15. 383-0440 [1] FLANGE AS  
15A. 383-0427 [1] PLUG  
16. 383-0438 [1] GASKET  
17. 383-0190 [2] BOLT  
18. 436-0817 [1] PLUG AS (ENGINE OIL FILLER)  
18A. 383-0217 [1] SEAL-O-RING  
 

#SEBP76180018
 

477-7977: LIFTING GP-ENGINE

477-7977 LIFTING GP-ENGINE
PART OF 457-1441, 470-1081, 470-1084 ENGINE AR-PRIMARY
AN ATTACHMENT
i06219477 SEBP7618
4777977 LIFTING GP-ENGINE Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 477-7596 [1] PLATE  
2. 383-0170 [1] BOLT  
3. 477-7595 [1] PLATE  
4. 383-0300 [2] STUD  
5. 383-0346 [1] NUT  
 

#SEBP76180019
 

415-2715: MOUNTING GP-ENGINE

415-2715 MOUNTING GP-ENGINE
PART OF 460-7528 CAB AR, 460-7525, 460-7526 CANOPY AR
AN ATTACHMENT
i06137115 SEBP7618
4152715 MOUNTING GP-ENGINE Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9R-0390 [4] MOUNT AS  
2. 119-9880 M [6] BOLT (M12X1.25X30-MM)  
3. 415-2634 [4] WASHER-CUP  
4. 415-2780 [1] BRACKET  
5. 415-2781 [1] BRACKET  
6. 415-2783 M [4] BOLT (M14X2X100-MM)  
7. 415-2784 [2] WASHER (15X75X6-MM THK)  
8. 7X-0510 [2] WASHER-HARD (15.5X29X3-MM THK)  
9. 8T-4223 [6] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
 

Information:

Operation and Maintenance Manual
Engine Valve Lash - Check
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators
Engine Crankcase Breather - Replace - If equipped
303.5E2, 304E2, 305.5E2 and 305E2 Mini Hydraulic Excavators
Specifications
Lifter Group
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Rocker Shaft
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Valve Mechanism
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Valve Mechanism Cover
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Reuse And Salvage Guidelines
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Testing and Adjusting
Finding Top Center Position for No. 1 Piston
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Engine Valve Lash - Inspect/Adjust
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Troubleshooting
Valve Lash Is Excessive
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Disassembly and Assembly
Valve Mechanism Cover - Remove and Install
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Rocker Shaft and Push Rod - Remove and Install
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Rocker Shaft - Disassemble
C2.4 Tier 4 Final Engines for Caterpillar Built Machines
Rocker Shaft - Assemble
C2.4 Tier 4 Final Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 304E2 CR :

COVER GP-SOUND SUPPRESSION
462-5435 COVER GP-SOUND SUPPRESSION
CAMSHAFT GP
477-7981 CAMSHAFT GP
BELT TENSIONER GP
380-6597 BELT TENSIONER GP
468-5321 INSTALLATION AR-ENGINE
470-1084 ENGINE AR-PRIMARY
470-1081 ENGINE AR-PRIMARY
457-1441 ENGINE AR-PRIMARY
460-7522 COMMON AR
CRANKSHAFT GP
478-1966 CRANKSHAFT GP
CYLINDER BLOCK AS
477-7631 CYLINDER BLOCK AS
CYLINDER BLOCK GP
486-5178 CYLINDER BLOCK GP
CYLINDER HEAD AS
477-7632 CYLINDER HEAD AS
CYLINDER HEAD GP
477-7976 CYLINDER HEAD GP
FLYWHEEL GP
486-5182 FLYWHEEL GP
HOUSING GP-FRONT
486-5180 HOUSING GP-FRONT
LIFTING GP-ENGINE
477-7977 LIFTING GP-ENGINE
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