Caterpillar Cat 304.5 Mini Hydraulic Excavator (Prefix WAK) Service Repair Manual Instant Download

Service Repair Manual Models 304.5 M ini Hydraulic Excavator

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 1/5 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 304.5 MINI HYD EXCAVATOR WAK Configuration: 304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 Engine Disassembly and Assembly 304.5 Mini Hydraulic Excavator Machine Systems Media Number -RENR3548-04 Publication Date -01/08/2008 Date Updated -18/08/2008 i02462405 Swivel - Disassemble SMCS - 5060-015 Disassembly Procedure Table 1 REQUIRED TOOLS Tool Part Number Part Description Qty A 1P-1855 Retaining Ring Pliers 1 Start By: a. Remove the swivel. Refer to Disassembly and Assembly, "Swivel - Remove". 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat 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... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 2/5 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. Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system. Illustration 1 g00726792 1. Mark the orientation of the fittings for assembly purposes. Remove fittings (1), (2), (3), (4), (5), (6), (7), and (8). Illustration 2 g00726793 2. Remove fittings (9), (10), (11), (12), and (13). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

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304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 3/5 Illustration 3 g00726794 3. Remove fittings (14), (15), (16), (17), and (18). Illustration 4 g00726795 4. Remove bolts (19). 5. Remove flange (20) from the housing. Illustration 5 g00726796 6. Remove O-ring seal (21) from the housing. 7. Use Tooling (A ) in order to remove retaining ring (22). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 4/5 Illustration 6 g00726797 8. Remove spacer (23) from the housing. Illustration 7 g00726798 9. Place the swivel on a suitable vise. 10. Remove housing (24) from the shaft. Illustration 8 g00726799 11. Rotate the housing and remove dust seal (25) from the housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 5/5 12. Remove back up ring (26) from the housing. 13. Remove O-ring seal (27) from the housing. Illustration 9 g00726800 14. Rotate the housing and remove seals (28) from housing (24). Illustration 10 g00726801 15. Remove dust seal (29) from rotor (30). Copyright 1993 - 2020 Caterpillar Inc. Fri Feb 21 20:47:40 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... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 1/5 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 304.5 MINI HYD EXCAVATOR WAK Configuration: 304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 Engine Disassembly and Assembly 304.5 Mini Hydraulic Excavator Machine Systems Media Number -RENR3548-04 Publication Date -01/08/2008 Date Updated -18/08/2008 i02462417 Swivel - Assemble SMCS - 5060-016 Assembly Procedure Table 1 REQUIRED TOOLS Tool Part Number Part Description Qty A 1P-1855 Retaining Ring Pliers 1 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates. Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause trouble later. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 2/5 Note: Apply a thin coat of hydraulic oil to all internal surfaces. Illustration 1 g00726801 1. Install a new dust seal (29) onto rotor (30). 2. Apply a thin coat of hydraulic oil onto the dust seal. Illustration 2 g00726800 3. Install new seals (28) into housing (24). Illustration 3 g00726799 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 3/5 4. Rotate the housing and install a new O-ring seal (27) into the housing. 5. Install back up ring (26) into the housing. 6. Install a new dust seal (25) into the housing. Illustration 4 g00726802 7. Place rotor (30) on a suitable vise. Illustration 5 g00726798 8. Install housing (24) onto the rotor. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 4/5 Illustration 6 g00726797 9. Install spacer (23) onto the rotor. Illustration 7 g00726796 10. Use Tooling (A) to install retaining ring (22) onto the rotor. 11. Install a new O-ring seal (21) to the housing. Illustration 8 g00726795 12. Position flange (20) to the housing. 13. Install bolts (19). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 5/5 Illustration 9 g00726794 14. Install fittings (14), (15), (16), (17), and (18) to the swivel. Illustration 10 g00726793 15. Install fittings (9), (10), (11), (12), and (13) to the swivel. Illustration 11 g00726792 16. Install fittings (1), (2), (3), (4), (5), (6), (7), and (8) to the swivel. End By: a. Install the swivel. Refer to Disassembly and Assembly, "Swivel - Install". Copyright 1993 - 2020 Caterpillar Inc. Fri Feb 21 20:48:37 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... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 1/4 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 304.5 MINI HYD EXCAVATOR WAK Configuration: 304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 Engine Disassembly and Assembly 304.5 Mini Hydraulic Excavator Machine Systems Media Number -RENR3548-04 Publication Date -01/08/2008 Date Updated -18/08/2008 i01376430 Swivel - Install SMCS - 5060-012 Installation Procedure 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... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 2/4 Illustration 1 g00726791 1. Position swivel (26) to the undercarriage frame. 2. Install washers and four bolts (25) to the swivel. Tighten the bolts. Illustration 2 g00726789 Bottom of the undercarriage frame. 3. Connect lines (20), (21), (22), (23), and (24) to the swivel. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 3/4 Illustration 3 g00726788 Bottom of the undercarriage frame. 4. Connect lines (15), (16), (17), (18), and (19) to the swivel. Illustration 4 g00726787 Bottom of the undercarriage frame. 5. Position plate (14) to the undercarriage frame. 6. Install washers and two bolts (13) to the plate. Tighten the bolts. Illustration 5 g00726786 7. Connect lines (10), (11), and (12) to the swivel. 8. Position plate (9) to the upper structure. 9. Install washers and two bolts (8) to the plate. Tighten the bolts. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 4/4 Illustration 6 g00726785 10. Connect lines (3), (4), (5), (6), and (7) to the swivel. Illustration 7 g00726784 11. Connect the connector to the bottom of the plate assembly and place plate assembly (2) on the cab floor. 12. Install washers and eight bolts (1) to the plate assembly. Tighten the bolts. Copyright 1993 - 2020 Caterpillar Inc. Fri Feb 21 20:49:33 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... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 1/9 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 304.5 MINI HYD EXCAVATOR WAK Configuration: 304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 Engine Disassembly and Assembly 304.5 Mini Hydraulic Excavator Machine Systems Media Number -RENR3548-04 Publication Date -01/08/2008 Date Updated -18/08/2008 i02189657 Swing Motor - Remove SMCS - 5058-011-ZW Removal Procedure Start By: A. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release". B. Remove the cab. Refer to Disassembly and Assembly, "Cab - Remove and Install". C. Remove the seat. Refer to Disassembly and Assembly, "Seat - Remove and Install". Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. 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 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 2/9 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. Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system. Illustration 1 g00727305 1. Use lever (1) to unlatch the left console and move left console (2) to the raised position. Illustration 2 g00727332 2. Disconnect clip (3) and link (4) from the left console. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 3/9 Illustration 3 g00727338 3. Remove bolt (5) and the washer from the pin assembly. 4. Remove pin assembly (6) from the left console. 5. Move the left console aside. Illustration 4 g00727342 6. Remove two bolts (7) and washers. 7. Remove bolt (8) and the washer from the right console. 8. Remove pin assembly (9) from the right console. 9. Move right console (10) aside. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 4/9 Illustration 5 g00727350 Illustration 6 g00727359 10. Remove two bolts (11) and washers from the governor control mounting. 11. Move governor control mounting (12) aside. Illustration 7 g00727368 12. Remove four bolts (13) and washers from the seat support. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 5/9 13. Remove seat support (14) with a suitable lifting device. weight of the seat support is 50 kg (110 lb). Illustration 8 g00727382 14. Remove four bolts (15) and washers from the cover. 15. Remove cover (16) from the floorplate. Illustration 9 g00727387 16. Remove four bolts (17) from the electrical connectors. 17. Move four electrical connectors (18) aside. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 6/9 Illustration 10 g00727392 Illustration 11 g00727394 18. Remove four bolts (19) and washers from the fuse box. 19. Lower fuse box (20) to the floorplate. Illustration 12 g00727398 20. Remove two bolts (21) and washers from the cover. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

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304.5 Mini Hydraulic Excavator WAK00001-UP (MACHINE) POWERED BY 3024 ... 7/9 21. Remove cover (22) from the floorplate. Illustration 13 g00727402 22. Remove four electrical connectors (23) from the bracket. 23. Remove two bolts (24) and washers from the plate. 24. Remove plate assembly (25) from the floorplate. Illustration 14 g00727407 25. Remove six bolts (26) and washers from the floorplate. 26. Remove floorplate (27) from the upper structure. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/2/21

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