Caterpillar Cat 301.8C Mini Hydraulic Excavator (Prefix JSB) Service Repair Manual Instant Download

Service Repair Manual Models 301.6C and301.8C M ini Hydraulic Excavator

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 1/3 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.8C MINI HYD EXCAVATOR JSB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED BY L3E Engine Disassembly and Assembly 301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Media Number -RENR9157-01 Publication Date -01/11/2005 Date Updated -06/12/2005 i02355300 Front Idler - Remove and Install SMCS - 4159-010 Removal Procedure Start By: A. Remove the front idler, the recoil spring, and the hydraulic track adjuster. Refer to Disassembly and Assembly, "Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install". https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 2/3 Illustration 1 g01176420 1. Remove bolts (4) and spring assembly (2). 2. Remove bolts (1), supports (5), and front idler (3) . Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 9S-3263 Thread Lock Compound 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

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301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 3/3 Illustration 2 g01176420 1. Apply Tooling (A) to bolts (1) and (4) . 2. Position front idler (3) and supports (5). Install bolts (1) . 3. Position spring assembly (2) and install bolts (4) . End By: Install the front idler, the recoil spring, and the hydraulic track adjuster. Refer to Disassembly and Assembly, "Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Sun Mar 8 13:44:30 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 1/3 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.8C MINI HYD EXCAVATOR JSB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED BY L3E Engine Disassembly and Assembly 301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Media Number -RENR9157-01 Publication Date -01/11/2005 Date Updated -06/12/2005 i02355327 Hydraulic Track Adjusters - Remove and Install SMCS - 4157-010 Removal Procedure Start By: A. Remove the front idler, the recoil spring, and the hydraulic track adjuster. Refer to Disassembly and Assembly, "Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install". Note: Cleanliness is an important factor. Before you begin the disassembly procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism. Precision components can be damaged by contaminants or by dirt. Perform disassembly procedures on a clean work surface. Keep components covered and protected at all times. Illustration 1 g01176438 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 2/3 1. Remove track adjuster (1) . 2. Remove seal (2). Remove ring (3) and O-ring seal (4) . Illustration 2 g01176439 3. Remove bolts (8), plates (6) and (7), and grease fitting (5) . Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 9S-3263 Thread Lock Compound 1 Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 3/3 Illustration 3 g01176439 1. Apply Tooling (A) to bolts (9) . 2. Position plates (6) and (7). Install bolts (8) and grease fitting (5) . Illustration 4 g01176438 3. Install ring (3) and O-ring seal (4). Install seal (2) . 4. Install track adjuster (1) . End By: Install the front idler, the recoil spring, and the hydraulic track adjuster. Refer to Disassembly and Assembly, "Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Sun Mar 8 13:45:27 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 1/2 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.8C MINI HYD EXCAVATOR JSB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED BY L3E Engine Disassembly and Assembly 301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Media Number -RENR9157-01 Publication Date -01/11/2005 Date Updated -06/12/2005 i02355301 Sprocket - Remove and Install SMCS - 4164-010 Removal Procedure Start By: A. Remove the track. Refer to Disassembly and Assembly, "Track - Remove and Install". Illustration 1 g01176416 1. Remove bolts (1) and sprocket (2) . Installation Procedure Table 1 Required Tools https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 2/2 Tool Part Number Part Description Qty A 9S-3263 Thread Lock Compound 1 Illustration 2 g01176416 1. Apply Tooling (A) to bolts (1) . 2. Position sprocket (2) and install bolts (1) . End By: Install the track. Refer to Disassembly and Assembly, "Track - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Sun Mar 8 13:46:24 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 1/3 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.8C MINI HYD EXCAVATOR JSB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED BY L3E Engine Disassembly and Assembly 301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Media Number -RENR9157-01 Publication Date -01/11/2005 Date Updated -06/12/2005 i02360053 Final Drive and Travel Motor - Remove SMCS - 4050-011; 4351-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Bracket 1 Start By: A. Remove the track. Refer to Disassembly and Assembly, "Track - Remove and Install". Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism. 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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 2/3 Dispose of all fluids according to local regulations and mandates. 1. Drain the hydraulic tank into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change". Illustration 1 g01179123 2. Remove cover (1) . Illustration 2 g01179139 3. Disconnect hose assemblies (2) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 3/3 Illustration 3 g01179158 4. Attach Tooling (A) and a suitable lifting device to the final drive and travel motor (4). The weight of the final drive and travel motor (4) is approximately 27 kg (60 lb). Remove bolts (3) and the final drive and travel motor (4) . Copyright 1993 - 2020 Caterpillar Inc. Sun Mar 8 13:47:20 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 1/12 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.8C MINI HYD EXCAVATOR JSB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED BY L3E Engine Disassembly and Assembly 301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Media Number -RENR9157-01 Publication Date -01/11/2005 Date Updated -06/12/2005 i02355294 Final Drive and Travel Motor - Disassemble SMCS - 4050-015; 4351-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1857 Retaining Ring Pliers 1 B 8B-7554 Bearing Cup Puller Gp 1 C 1P-1855 Retaining Ring Pliers 1 D 1P-1859 Retaining Ring Pliers 1 E 1P-1863 Retaining Ring Pliers 1 F 154-6181 Forcing Screw 2 Start By: A. Remove the track motor. Refer to Disassembly and Assembly, "Final Drive and Travel Motor - Remove". https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 2/12 Illustration 1 g01176385 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. 1. Remove plug (1) and the O-ring seal. Illustration 2 g01176386 2. Remove spring (4) and washer (3) . 3. Remove spool (2) . 4. Repeat Steps 1 through Steps 2 for the opposite side. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 3/12 Illustration 3 g01176387 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. 5. Remove bolts (5) and head assembly (6) . Illustration 4 g01176388 6. Remove bearing (7) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 4/12 Illustration 5 g01176389 7. Remove port plate (8) . Illustration 6 g01176390 8. Remove barrel assembly (9) . Illustration 7 g01176393 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 5/12 9. Remove piston (10), retaining plate (11), and bearing (12) . Illustration 8 g01176394 10. Remove pins (13) . Illustration 9 g01176391 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. Use a suitable press and Tooling (A) in order to remove retaining ring (14) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 6/12 Illustration 10 g01176392 12. Remove washers (15) and spring (16) . Illustration 11 g01176395 13. Remove O-ring seal (17) and swashplate (18) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 7/12 Illustration 12 g01176396 14. Remove balls (19), pistons (20), and the springs. Illustration 13 g01176397 15. Remove retaining ring (21) and cover (22) . Illustration 14 g01176398 16. Remove sun gear (24) and carrier (23) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 8/12 Illustration 15 g01176399 17. Use Tooling (C) in order to remove retaining ring (25) . 18. Remove washers (26), gears (27), and washers (28) . Illustration 16 g01176400 19. Use Tooling (D) in order to remove retaining ring (30) . 20. Remove sun gear (29) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

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301.6C & 301.8C Mini Hydraulic Excavators JSB00001-UP (MACHINE) POWERED... 9/12 Illustration 17 g01176401 21. Use Tooling (D) in order to remove retaining rings (31) . Illustration 18 g01176402 22. Use Tooling (B) in order to remove gears (32) . Illustration 19 g01176403 23. Use Tooling (E) in order to remove retaining ring (33) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/3/8

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