Caterpillar Cat 304CR Mini Hydraulic Excavator (Prefix NAD) Service Repair Manual Instant Download
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Service Repair Manual Models 304CR M ini Hydraulic Excavator
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 1/12 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 304 MINI HYD EXCAVATOR NAD Configuration: 304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2 Engine Disassembly and Assembly 304 Mini Hydraulic ExcavatorEngine Supplement and Machine Systems Media Number -RENR6668-01 Publication Date -01/01/2004 Date Updated -19/01/2004 i01823295 Travel Motor - Disassemble SMCS - 4351-015; 79PC-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1862 Snap Ring Pliers 1 B 1U-7588 Pry Bar 2 Start By: A. Remove the piston motor (travel). Refer to Disassembly and Assembly, "Piston Motor (Travel) - Remove" in this manual. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 2/12 Note: Put identification marks on the travel motor and on all lines for installation purposes. Plug all lines. This will help to prevent fluid loss and this helps to keep contaminants from entering the system. Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism. 1. Put an alignment mark across the section of the travel motor and the final drive for assembly purposes. The parts must be reinstalled in the original locations of the parts. Illustration 1 g00763560 2. Remove plugs (1). Drain the oil. Illustration 2 g00763551 3. Remove bolts (2). Remove plate (3) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
https://www.ebooklibonline.com Hello dear friend! Thank you very much for reading. Enter the link into your browser. The full manual is available for immediate download. https://www.ebooklibonline.com
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 3/12 Illustration 3 g00763571 4. Remove port plate (4) . Illustration 4 g00763578 5. Remove barrel assembly (5) . Illustration 5 g00763935 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 4/12 6. Put identification marks on piston assemblies (6) in order to indicate the locations of the pistons in the retainer plate (7) and the barrel (8). Remove piston assemblies (6) and retainer plate (7) from barrel (8) as a unit. Separate the piston assemblies from the retainer plate. Illustration 6 g00763958 7. Remove guide (9) and pins (10) from barrel (8) . Illustration 7 g00763585 8. Remove swashplate (11) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 5/12 Illustration 8 g00763590 9. Remove piston (12), and spring (13) . Illustration 9 g00763910 10. Use a 0.25 mm (0.010 inch) feeler gauge to a 0.38 mm (0.015 inch) feeler gauge. Remove ring (14) from the groove between cover (15) and the final drive housing. Illustration 10 g00763597 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 6/12 11. Remove cover (16) . Illustration 11 g00763603 12. Remove O-ring seal (17) . Illustration 12 g00763605 13. Use Tooling (A) in order to remove retaining rings (18) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 7/12 Illustration 13 g00763613 14. Remove gears (19). Remove gear (20) . Illustration 14 g00763623 15. Remove shaft (21). Remove bearing (22) . Illustration 15 g00763684 16. Remove pivots (23), and lip seal (24) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 8/12 Illustration 16 g00764056 NOTICE The thread lock compound that is used on the reamer bolts may cause the reamer bolts to seize during removal. The reamer bolts should be slowly removed by hand. Do not use an impact wrench in order to remove the reamer bolts. If the reamer bolts will no longer turn during removal, do not force or complete the removal. Instead, tighten the bolts, then try to loosen them again. 17. Carefully remove bolts (25). Remove retaining rings (26) . Illustration 17 g00763700 18. Use Tooling (B) in order to separate spindle (27) from housing (28) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 9/12 Illustration 18 g00764796 19. Remove flange (29), and bearing (30) . Illustration 19 g00764176 20. Remove gear (31) . Illustration 20 g00764194 21. Remove shaft assemblies (32), and gear (33) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4... 10/12 Illustration 21 g00764198 22. Remove bearing cone (35), and bearing cone (38) from shaft (34). Remove bearing (36), and bearing (37) from shaft (34) . Illustration 22 g00862751 23. Remove Duo-Cone seal kit (39). Remove pins (40). Remove bearing (41) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4... 11/12 Illustration 23 g00764855 24. If necessary, remove valve (42). Remove bearing (43) . Illustration 24 g00764867 25. Remove plugs (44), and the O-ring seals. Remove springs (45), stoppers (46), and spool (47) . Illustration 25 g00764880 26. Remove plugs (48), and the O-ring seals. Remove springs (49), and stoppers (50) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4... 12/12 Illustration 26 g00764899 27. If necessary, remove plugs (51). Remove plug (52), and the O-ring seal. Remove plug (53) . Copyright 1993 - 2020 Caterpillar Inc. Sat Feb 22 23:33:00 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 1/12 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 304 MINI HYD EXCAVATOR NAD Configuration: 304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2 Engine Disassembly and Assembly 304 Mini Hydraulic ExcavatorEngine Supplement and Machine Systems Media Number -RENR6668-01 Publication Date -01/01/2004 Date Updated -19/01/2004 i01669600 Travel Motor - Disassemble SMCS - 4351-015; 79PC-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1862 Snap Ring Pliers 1 B 1U-7588 Pry Bar 2 Start By: A. Remove the piston motor (travel). Refer to Disassembly and Assembly, "Piston Motor (Travel) - Remove" in this manual. NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 2/12 Note: Put identification marks on the travel motor and on all lines for installation purposes. Plug all lines. This will help to prevent fluid loss and this helps to keep contaminants from entering the system. Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism. 1. Put an alignment mark across the section of the travel motor and the final drive for assembly purposes. The parts must be reinstalled in the original locations of the parts. Illustration 1 g00763560 2. Remove plugs (1). Drain the oil. Illustration 2 g00763551 3. Remove bolts (2). Remove plate (3) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 3/12 Illustration 3 g00763571 4. Remove port plate (4) . Illustration 4 g00763578 5. Remove barrel assembly (5) . Illustration 5 g00763935 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 4/12 6. Put identification marks on piston assemblies (6) in order to indicate the locations of the pistons in the retainer plate (7) and the barrel (8). Remove piston assemblies (6) and retainer plate (7) from barrel (8) as a unit. Separate the piston assemblies from the retainer plate. Illustration 6 g00763958 7. Remove guide (9) and pins (10) from barrel (8) . Illustration 7 g00763585 8. Remove swashplate (11) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 5/12 Illustration 8 g00763590 9. Remove piston (12), and spring (13) . Illustration 9 g00763910 10. Use a 0.25 mm (0.010 inch) feeler gauge to a 0.38 mm (0.015 inch) feeler gauge. Remove ring (14) from the groove between cover (15) and the final drive housing. Illustration 10 g00763597 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 6/12 11. Remove cover (16) . Illustration 11 g00763603 12. Remove O-ring seal (17) . Illustration 12 g00763605 13. Use Tooling (A) in order to remove retaining rings (18) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 7/12 Illustration 13 g00763613 14. Remove gears (19). Remove gear (20) . Illustration 14 g00763623 15. Remove shaft (21). Remove bearing (22) . Illustration 15 g00763684 16. Remove pivots (23), and lip seal (24) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 8/12 Illustration 16 g00764056 NOTICE The thread lock compound that is used on the reamer bolts may cause the reamer bolts to seize during removal. The reamer bolts should be slowly removed by hand. Do not use an impact wrench in order to remove the reamer bolts. If the reamer bolts will no longer turn during removal, do not force or complete the removal. Instead, tighten the bolts, then try to loosen them again. 17. Carefully remove bolts (25). Remove retaining rings (26) . Illustration 17 g00763700 18. Use Tooling (B) in order to separate spindle (27) from housing (28) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
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304CR Mini Hydraulic Excavator NAD00001-UP (MACHINE) POWERED BY S4L2... 9/12 Illustration 18 g00764796 19. Remove flange (29), and bearing (30) . Illustration 19 g00764176 20. Remove gear (31) . Illustration 20 g00764194 21. Remove shaft assemblies (32), and gear (33) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/22
https://www.ebooklibonline.com Hello dear friend! Thank you very much for reading. Enter the link into your browser. The full manual is available for immediate download. https://www.ebooklibonline.com
