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280-2366 VALVE GP-RELIEF -SWING PART OF 280-2356 MOTOR GP-SWING 303C CR MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
MOTOR GP
VALVE GP-FLOW CONTROL
VALVE GP-SOLENOID
IMPLEMENTS
BOOM GP
MOUNTING GP
LINKAGE GP

MINI HYD EXCAVATOR 303C CR MINI HYD EXCAVATOR BXT
 303C CR Mini Hydraulic Excavator BXT00001-UP (MACHINE) POWERED BY S3Q2 Engine SEBP4461 303C CR BXT   (2005)

HYDRAULIC SYSTEM

MOTOR GP
DRIVE GP-SWING
284-0879 DRIVE GP-SWING
MOTOR & MTG GP-SWING
265-8753 MOTOR & MTG GP-SWING
MOTOR GP-SWING
280-2356 MOTOR GP-SWING
VALVE GP-RELIEF
280-2366 VALVE GP-RELIEF
VALVE GP-RELIEF
288-0848 VALVE GP-RELIEF
 

#SEBP44610350
 

280-2366: VALVE GP-RELIEF

280-2366 VALVE GP-RELIEF -SWING
PART OF 280-2356 MOTOR GP-SWING
i02442586 SEBP4461
2802366 VALVE GP-RELIEF Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1582 [1] SEAL-O-RING  
2. 095-1585 [1] SEAL-O-RING  
3. 095-1590 [1] SEAL-O-RING  
4. 095-1595 [1] SEAL-O-RING  
5. 095-1781 [1] RING  
 

#SEBP44610351
 

288-0848: VALVE GP-RELIEF

288-0848 VALVE GP-RELIEF -THUMB
PART OF 270-6364, 270-6366, 293-6219, 293-6220 STICK AR-HOE
AN ATTACHMENT
i02489932 SEBP4461
2880848 VALVE GP-RELIEF Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 272-7832 [2] VALVE AS-RELIEF (LINE)(THUMB)  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
2. 093-3328 B [4] SEAL-O-RING  
  B   USE AS REQUIRED
 

#SEBP44610352
 

268-3622: VALVE GP-SELECTOR

268-3622 VALVE GP-SELECTOR -2-WAY
PART OF 269-4207 CONTROL AR-AUXILIARY
AN ATTACHMENT
i02412137 SEBP4461
2683622 VALVE GP-SELECTOR Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 267-4046 [4] ELBOW AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  267-4045 [1] ELBOW  
2. 296-3123 [4] CONNECTOR AS  
    (EACH INCLUDES)
  4J-5477 [2] SEAL-O-RING  
  296-2490 [1] CONNECTOR  
3. 267-4066 [1] BRACKET AS  
4. 268-3578 Y [1] VALVE GP-FLOW CONTROL (2-WAY)  
5. 346-4675 [1] PLATE  
6. 279-4729 [1] LEVER AS  
7. 148-8369 [4] ELBOW AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8628 [1] ELBOW  
8. 2P-1279 [4] LOCKNUT (9/16-18-THD)  
9. 5C-7261 M [2] NUT (M8X1.25-THD)  
10. 5P-4116 [2] WASHER-HARD (8.8X20.5X2-MM THK)  
11. 7X-2619 M [1] BOLT (M6X1X10-MM)  
12. 7X-7729 [2] WASHER (11X25X3-MM THK)  
13. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
14. 8T-4177 M [2] BOLT (M8X1.25X90-MM)  
15. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610353
 

169-1181: VALVE GP-SOLENOID

169-1181 VALVE GP-SOLENOID
S/N BXT1-2475
PART OF 282-9318 VALVE GP-SOLENOID
AN ATTACHMENT
i02710715 SEBP4461
1691181 VALVE GP-SOLENOID Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1750 [1] SEAL-O-RING  
2. 6V-8398 [1] SEAL-O-RING  
3. 095-1751 [1] SEAL-O-RING  
4. 114-0623 M [1] NUT AS (M6X1-THD)  
5. 095-1586 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBP44610354
 

269-2299: VALVE GP-SOLENOID

269-2299 VALVE GP-SOLENOID
12-VOLT
PART OF 267-0424 MANIFOLD & SOLENOID GP-CONTROL
AN ATTACHMENT
i02414409 SEBP4461
2692299 VALVE GP-SOLENOID Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1750 [1] SEAL-O-RING  
2. 6V-8398 [1] SEAL-O-RING  
3. 095-1751 [1] SEAL-O-RING  
4. 114-0623 M [1] NUT AS (M6X1-THD)  
5. 095-1586 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBP44610355
 

282-9318: VALVE GP-SOLENOID

282-9318 VALVE GP-SOLENOID
S/N BXT1-2475
PART OF 280-7611 LINES GP-PILOT
AN ATTACHMENT
i02685549 SEBP4461
2829318 VALVE GP-SOLENOID Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 169-1181 Y [2] VALVE GP-SOLENOID (BLADE)  
2. 291-0152 [1] BLOCK  
3. 8T-0288 M [4] BOLT (M5X0.8X12-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610356
 

264-8375: BOOM AR

264-8375 BOOM AR
PART OF 264-8354 COMMON AR
i02440077 SEBP4461
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  266-4087 Y [1] BOOM GP  
  284-0420 Y [1] CYLINDER GP-BOOM  
  285-5034 Y [1] CYLINDER GP-SWING BOOM  
  266-4069 Y [1] FRAME GP-SWING (BOOM)  
  270-6501 Y [1] GUARD GP-CYLINDER (BOOM)  
  281-1020 Y [1] STOP GP-SWING (BOOM)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610357
 

266-4087: BOOM GP

266-4087 BOOM GP
PART OF 264-8375 BOOM AR
i02442969 SEBP4461
2664087 BOOM GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-1430 [2] SEAL-LIP TYPE  
2. 175-1794 B [2] SHIM (0.5-MM THK)  
3. 175-1795 B [4] SHIM (1-MM THK)  
4. 176-8464 B [1] SHIM (0.5-MM THK)  
5. 176-8465 B [1] SHIM (1-MM THK)  
6. 266-3872 [1] BOSS (M20X1.5-THD)  
7. 266-4104 [1] PIN AS  
8. 266-4106 [1] PIN AS  
9. 422-1381 [1] PLATE AS  
10. 281-0993 [1] BOOM & BEARING AS  
10A. 265-8720 [2] BUSHING  
11. 422-1378 [1] PLATE AS  
12. 281-1106 [1] PIN  
13. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
14. 6V-8513 [2] WASHER-HARD (11X35X2.5-MM THK)  
15. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
16. 127-2170 M [4] SCREW-TRUSS HEAD (M8X1.25X20-MM)  
17. 8T-4196 M [1] BOLT (M10X1.5X35-MM)  
18. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP44610358
 

282-1712: BRACKET GP-MOUNTING

282-1712 BRACKET GP-MOUNTING -BUCKET
PART OF 279-4325 BUCKET AR-TILTABLE
AN ATTACHMENT
i02489345 SEBP4461
2821712 BRACKET GP-MOUNTING Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 246-0175 [2] BEARING  
2. 282-1713 [1] BRACKET AS-MOUNTING  
 

#SEBP44610359
 

266-3935: LINKAGE AR-BUCKET

266-3935 LINKAGE AR-BUCKET
AN ATTACHMENT
i02442982 SEBP4461
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  277-4378 Y [1] LINKAGE GP-BUCKET (WITH LIFTING EYE)  
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Systems Operation
Travel Counterbalance Valve
303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System
Swing Motor
303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System
Swing Hydraulic System
303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System
Travel Motor
303.5C CR and 303C CR Mini Hydraulic Excavators Hydraulic System
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Machine Drift on a Slope - Check
303C CR and 303.5C CR Mini Hydraulic Excavators Hydraulic System
Travel on Level Ground - Test
303C CR and 303.5C CR Mini Hydraulic Excavators Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
303C CR and 303.5C CR Mini Hydraulic Excavators Hydraulic System
Swing Speed and Overswing on Level Ground - Check
303C CR and 303.5C CR Mini Hydraulic Excavators Hydraulic System
Travel on Level Ground - Test - Optional Test
303C CR and 303.5C CR Mini Hydraulic Excavators Hydraulic System
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Disassembly and Assembly
Final Drive and Travel Motor - Remove
303.5C and 303C Mini Hydraulic Excavators Machine Systems
Final Drive and Travel Motor - Install
303.5C and 303C Mini Hydraulic Excavators Machine Systems
Final Drive and Travel Motor - Disassemble
303.5C and 303C Mini Hydraulic Excavators Machine Systems
Final Drive and Travel Motor - Assemble
303.5C and 303C Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Disassemble
303.5C and 303C Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Assemble
303.5C and 303C Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Remove
303.5C and 303C Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Install
303.5C and 303C Mini Hydraulic Excavators Machine Systems

Caterpillar Parts SIS Catalog 303C CR :

VALVE GP-PUMP CONTROL
332-1292 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
279-4712 VALVE GP-PUMP CONTROL
VALVE GP-PILOT
356-3822 VALVE GP-PILOT
VALVE GP-PILOT
330-4621 VALVE GP-PILOT
VALVE GP-PILOT
330-4620 VALVE GP-PILOT
VALVE GP-PILOT
320-6540 VALVE GP-PILOT
VALVE GP-PILOT
295-6474 VALVE GP-PILOT
VALVE GP-PILOT
295-6473 VALVE GP-PILOT
VALVE GP-RELIEF
288-0848 VALVE GP-RELIEF
VALVE GP-SELECTOR
268-3622 VALVE GP-SELECTOR
VALVE GP-SOLENOID
169-1181 VALVE GP-SOLENOID
VALVE GP-SOLENOID
269-2299 VALVE GP-SOLENOID
VALVE GP-SOLENOID
282-9318 VALVE GP-SOLENOID
264-8375 BOOM AR
BOOM GP
266-4087 BOOM GP
BRACKET GP-MOUNTING
282-1712 BRACKET GP-MOUNTING

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