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

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

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 1/6 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.6C MINI HYD EXCAVATOR JBB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JBB00001-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 i02365060 Recoil Spring - Remove and Install SMCS - 4158-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 6H-1627 Spacer 1 Start By: A. Remove the track adjuster. Refer to Disassembly and Assembly, "Hydraulic Track Adjuster - Remove and Install". Illustration 1 g01181246 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 2/6 1. Remove bolts (1) and idler assembly (2) . Illustration 2 g01183510 Illustration 3 g01181247 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/3/10

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301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 3/6 Illustration 4 g01181248 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. 2. Remove cotter pin (2). Use Tooling (A) and a suitable press in order to compress recoil spring (5). Loosen nut (3) . 3. Slowly release the spring tension. Remove nut (3), plate (4), and recoil spring (5) from cylinder assembly (6) . Installation Procedure Table 2 Required Tools Tool Part Number Part Description Qty A 6H-1627 Spacer 1 B 9S-3263 Thread Lock Compound 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 4/6 Illustration 5 g01181248 Illustration 6 g01181281 (X) 138.00 1.50 mm (5.430 0.060 inch) https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 5/6 Illustration 7 g01183510 1. Install recoil spring (5), plate (4), and nut (3) onto cylinder assembly (6) . 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. 2. Use Tooling (A) and a suitable press in order to compress recoil spring (5) to Dimension (X). Tighten nut (3) and install cotter pin (2) . 3. Slowly release the spring tension. Illustration 8 g01181246 4. Apply Tooling (B) to bolts (1). Position idler assembly (2) and install bolts (1) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 6/6 End By: Install the track adjuster. Refer to Disassembly and Assembly, "Hydraulic Track Adjuster - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Tue Mar 10 21:31:08 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... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 1/3 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.6C MINI HYD EXCAVATOR JBB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JBB00001-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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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. Tue Mar 10 21:32:05 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... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 1/3 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.6C MINI HYD EXCAVATOR JBB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JBB00001-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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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. Tue Mar 10 21:33:02 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... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 1/2 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.6C MINI HYD EXCAVATOR JBB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JBB00001-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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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. Tue Mar 10 21:33:59 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... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 1/3 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.6C MINI HYD EXCAVATOR JBB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JBB00001-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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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. Tue Mar 10 21:34:56 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... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 1/12 Shutdown SIS Previous Screen Product: MINI HYD EXCAVATOR Model: 301.6C MINI HYD EXCAVATOR JBB Configuration: 301.6C & 301.8C Mini Hydraulic Excavators JBB00001-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=/sis... 2020/3/10

301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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=/sis... 2020/3/10

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301.6C & 301.8C Mini Hydraulic Excavators JBB00001-UP (MACHINE) POWERE... 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=/sis... 2020/3/10

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