Caterpillar Cat 420E BACKHOE LOADER (Prefix KMW) Service Repair Manual Instant Download

Service Repair Manual Model 420E BACKHOELOADER

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 1/7 Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420E BACKHOE LOADER KMW Configuration: 420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWERED BY 3054C Engine Disassembly and Assembly 414E, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E and 444E Backhoe Loaders Machine Systems Media Number -RENR6485-08 Publication Date -01/01/2013 Date Updated -24/01/2013 i02222904 Bank Valve (Backhoe) - Remove SMCS - 5051-011; 5476-011 S/N - BXE1-2199 S/N - CBD1-UP S/N - DDT1-UP S/N - EAT1-UP S/N - FSH1-899 S/N - GKZ1-599 S/N - HBE1-1599 S/N - HLS1-UP S/N - KMW1-UP S/N - LBE1-599 S/N - MFG1-6000 S/N - SHA1-UP S/N - SNL1-2199 Removal Procedure Table 1 Required Tools https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 2/7 Tool Part Number Part Description Qty A 138-7575 Link Bracket 2 1. Lower all implements to the ground. 2. Release the pressure in the hydraulic system. Refer to Disassembly and Assembly, "Hydraulic System Pressure - Release". 3. Drain the hydraulic oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change". Illustration 1 g01119509 4. Remove bolts (3) and plate (2). Repeat for the other side. Remove floor mat (1). Illustration 2 g01121317 5. Remove bolts (4) and floorplate (5). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

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420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 3/7 Illustration 3 g01121182 6. Remove louver (6). Illustration 4 g01121187 7. Remove bolt (7). Illustration 5 g01121221 8. Remove bolt (9) and duct (8). 9. Repeat Steps 6 through 8 for the other side. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 4/7 Illustration 6 g01121318 10. Remove bolts (10) from each side and remove floorplate (11). Illustration 7 g01121322 11. Remove bolts (12) from each side of bar (13) and remove bar (13). Illustration 8 g01121327 12. Disconnect seven harness assemblies (14). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 5/7 Illustration 9 g01121334 13. Disconnect four hose assemblies (15). Disconnect eight hose assemblies (16). Remove clip (17). Illustration 10 g01121339 14. Remove bolts (18) and place block assembly (19) to the side. Illustration 11 g01121356 15. Disconnect hose assembly (20) from each side of the bank valve for the backhoe. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 6/7 Illustration 12 g01121371 16. Disconnect hose assembly (21). Remove cable strap (22). Illustration 13 g01121378 17. Disconnect hose assemblies (23), (24), and (25). Remove cable strap (26). Illustration 14 g01121391 18. Remove cable straps (27). Disconnect seventeen hose assemblies (28). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 7/7 Illustration 15 g01121411 19. Attach Tooling (A) and a suitable lifting device to bank valve (30) for the backhoe. The weight of bank valve (30) for the backhoe is approximately 80 kg (175 lb). Remove bolts (29) and remove bank valve (30) for the backhoe. Copyright 1993 - 2019 Caterpillar Inc. Wed Sep 11 21:15:57 UTC+0800 2019 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 1/21 Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420E BACKHOE LOADER KMW Configuration: 420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWERED BY 3054C Engine Disassembly and Assembly 414E, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E and 444E Backhoe Loaders Machine Systems Media Number -RENR6485-08 Publication Date -01/01/2013 Date Updated -24/01/2013 i03895571 Bank Valve (Backhoe) - Disassemble SMCS - 5051-015; 5476-015 S/N - BXE1-UP S/N - DDT1-UP S/N - EAT1-UP S/N - FSH1-UP S/N - GKZ1-UP S/N - HLS1-UP S/N - KMW1-UP S/N - LBE1-UP S/N - MFG1-6000 Disassembly Procedure Start By: A. Remove the bank valve (backhoe). Refer to Disassembly and Assembly, "Bank Valve (Backhoe) - Remove". NOTICE Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 2/21 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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. Illustration 1 g01401051 1. The valves within the bank valve are positioned in the following manner: Inlet manifold (1) , right hand stabilizer valve (2) , boom valve (3) , right hand stick valve (4) , swing valve (5) , bucket valve (6) , extendable stick valve (7) , left hand stabilizer valve (8) , and outlet manifold (9) . Illustration 2 g01401145 2. Remove nuts (11) from bank valve (10) . Remove inlet manifold (1) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 3/21 Illustration 3 g01403300 3. Disassemble inlet manifold (1) . Illustration 4 g01401147 4. Remove plugs (12) and (14) . Remove O-ring seal (13) and (15) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 4/21 Illustration 5 g02139374 5. Remove the plug and use an allen wrench to remove screen (15a) from inlet manifold (1) . Illustration 6 g01401342 6. Remove plug (16) . Remove O-ring seal (17) . Remove nut (18) . Remove coil (19) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 5/21 Illustration 7 g01401363 7. Remove spool (20) . Remove cartridge (21) . Illustration 8 g01401393 8. Remove backup ring (22) , O-ring seal (23) and O-ring (24) from cartridge (21) . Illustration 9 g01401420 9. Remove right hand stabilizer valve (2) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 6/21 Illustration 10 g01401440 10. Remove O-ring seals (25) from right hand stabilizer valve (2) . Illustration 11 g01401450 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 11. Remove bolts (26) and cover (27) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 7/21 Illustration 12 g01401468 12. Remove spool (28) , retainer (29) , spring (30) , and O-ring seal (31) . Illustration 13 g01401486 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 13. Remove bolts (33) and cover (32) . Remove check valve (34) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 8/21 Illustration 14 g01401533 Illustration 15 g01401537 14. Remove O-ring seal (35) , spring (35) , and retainer (37) . Remove O-ring seals (38) . Illustration 16 g01401642 15. Remove boom valve (3) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) POWE... 9/21 Illustration 17 g01401656 16. Remove O-ring seals (41) . Remove check valve (39) . Remove O-ring seal (40) . Illustration 18 g01401667 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 17. Remove bolts (42) . Remove cover (43) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 10/21 Illustration 19 g01401683 18. Remove spool (44) , retainer (45) , spring (46) , and O-ring seal (47) . Illustration 20 g01401691 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 19. Remove bolts (48) . Remove cover (49) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 11/21 Illustration 21 g01401712 20. Remove O-ring seal (50) , spring (51) , and retainer (52) . Illustration 22 g01401777 21. Remove plug (53) . Remove fittings (54) . Illustration 23 g01401792 22. Remove O-ring seal (55) and orifice valve (56) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 12/21 Illustration 24 g01401840 23. Remove plug (57) and relief valve (58) . Illustration 25 g01401852 24. Remove O-ring seals (59) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 13/21 Illustration 26 g01401859 25. Remove right hand stick valve (4) . 26. Repeat Steps 16 through Step 24 for the disassembly of right hand stick valve (4) . Illustration 27 g01401876 27. Remove swing valve (5) . 28. Repeat Steps 16 through Step 24 for the disassembly of swing valve (5) . Illustration 28 g01401886 29. Remove bucket valve (6) . 30. Repeat Steps 16 through Step 24 for the disassembly of bucket valve (6) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 14/21 Illustration 29 g01401891 31. Remove extendable stick valve (7) . Illustration 30 g01401899 32. Remove O-ring seals (61) . Remove check valves (60) . Illustration 31 g01401909 33. Remove O-ring seals (63) . Remove relief valve (62) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 15/21 Illustration 32 g01402072 34. Remove O-ring seals (64) and (66) . Remove backup ring (65) . Illustration 33 g01402093 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 35. Remove relief valve (67) . Remove bolts (68) and remove cover (69) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 16/21 Illustration 34 g01402110 36. Remove spool (70) , retainer (71) , spring (72) , and O-ring seal (73) . Illustration 35 g01402115 Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force. 37. Remove bolts (74) . Remove cover (75) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 17/21 Illustration 36 g01402129 38. Remove O-ring seal (76) , spring (77) , and retainer (78) . Illustration 37 g01402133 39. Remove plug (79) . Illustration 38 g01402154 40. Remove O-ring seal (80) and orifice valve (81) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

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420E Backhoe Loader Parallel Lift Center Pivot KMW00001-UP (MACHINE) PO... 18/21 Illustration 39 g01402544 41. Remove stabilizer valve (8) . 42. Repeat Steps 10 through Step 14 for the disassembly of stabilizer valve (8) . Illustration 40 g01402845 43. Disassemble outlet manifold (9) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/11

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