Caterpillar Cat D8N TRACK-TYPE TRACTOR Dozer Bulldozer (Prefix 7TK) Service Repair Manual Instant Download
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Service Repair Manual Models D8NTRACK-TYPE TRACTOR
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 1/10 Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D8N TRACK-TYPE TRACTOR 7TK Configuration: D8N Track-Type Tractor 7TK00001-UP (MACHINE) Disassembly and Assembly C11 and C13 Engines for Caterpillar Built Machines Media Number -RENR9214-23 Publication Date -01/05/2015 Date Updated -22/05/2018 i06931709 Gear Group (Rear) - Remove and Install SMCS - 1206-010; 1212-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-0520 Driver Gp. 1 B 1P-0510 Driver Gp 1 Start By: a. Remove the electric starting motor. b. Remove the flywheel. 1. Support the engine. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 2/10 Illustration 1 g06002548 2. Remove bolts (2) and rear crankshaft seal (1). Illustration 2 g06002556 3. Remove bolts (4) and the washers. Remove cover (3) and the seal. Illustration 3 g06002558 4. Remove gear (7), bolts (6), and gear (5). Illustration 4 g06002564 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
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D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 3/10 5. Remove O-ring seal (8) from gear (7). Illustration 5 g06172622 6. Use Tooling (A) to remove bushing (7A) from gear assembly (7). Illustration 6 g06172537 7. Remove bolts (9), adapter assembly (10), and the O-ring seal. Illustration 7 g06172541 8. Use Tooling (B) to remove bearing (11) from adapter assembly (10). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 4/10 Illustration 8 g06172549 9. Remove gear assembly (12). Illustration 9 g06172554 10. Remove cover (13) and the O-ring seal. Illustration 10 g06172557 11. Use Tooling (B) to remove bearing (14). Installation Procedure https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 5/10 Table 2 Required Tools Tool Part Number Part Description Qty A 095-0706 Bolt 2 Illustration 11 g06172557 Illustration 12 g06172580 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 6/10 Illustration 13 g06172587 1. Lower the temperature of bearing (14). Be sure to match Dimension (B) and Dimension (C) when installing bearing (14.). Dimension (B) indicates the angle of the joint on bearing (14). Dimension (B) is 15 1 . Dimension (C) shows the distance from bearing (14) to the end of the bore. Dimension (C) is 4.000 0.500 mm (0.1575 0.0197 inch). Illustration 14 g06172554 2. Install the O-ring seal and cover (9). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 7/10 Illustration 15 g06172597 3. Install gear assembly (12) with oil passage plug (12A) facing out. Illustration 16 g06172601 Illustration 17 g06172609 4. Lower the temperature of bearing (11). Be sure to match Dimension (F) and Dimension (G) when installing bearing (11) into adapter assembly (10). Dimension (F) indicates the angle of the joint on bearing (11). Dimension (F) is 15 1 . Dimension (G) shows the distance from bearing (11) to the end of the bore. Dimension (G) is 3.500 0.500 mm (0.1378 0.0197 inch). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 8/10 Illustration 18 g06172537 5. Install the O-ring seal, adapter assembly (10), and bolts (9). Illustration 19 g06172619 6. Lower the temperature of bearing (7A). Install bearing (7A) into gear assembly (7). Be sure that each relief (H) is within 2 of each relief in gear assembly (7). Illustration 20 g06002564 7. Install O-ring seal (8) onto gear (7). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 9/10 Illustration 21 g06002578 8. Install gear (5) and bolts (6). Note: Tooling (A) is for supporting gear (7) during the installation of the cover and the rear crankshaft seal. Note: The bolt holes in gear (7) are not symmetrical. When installing Tooling (C), check the rest of the bolts holes in gear (7) are aligned with the holes in the crankshaft. 9. Install gear (7) and Tooling (C). Illustration 22 g06002581 10. Install cover (3), the seal, bolts (4), and the washers. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Document... 10/10 Illustration 23 g06002592 11. Install rear crankshaft seal (1) and bolts (2). 12. Remove Tooling (C). End By: a. Install the flywheel. b. Install the electric starting motor. Copyright 1993 - 2020 Caterpillar Inc. Fri Jan 31 23:16:09 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... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 1/2 Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D8N TRACK-TYPE TRACTOR 7TK Configuration: D8N Track-Type Tractor 7TK00001-UP (MACHINE) Disassembly and Assembly C11 and C13 Engines for Caterpillar Built Machines Media Number -RENR9214-23 Publication Date -01/05/2015 Date Updated -22/05/2018 i02249234 Flywheel - Remove SMCS - 1156-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7574 Link Bracket 1 B FT2712 Guide Stud 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 2/2 Illustration 1 g01132214 1. Attach Tooling (A) and a suitable lifting device to flywheel (2). The weight of flywheel (2) is approximately 79 kg (175 lb). 2. Remove top bolt (1). Install Tooling (B). 3. Remove remaining bolts (1). 4. Remove flywheel (2). 5. Use a hammer and a punch in order to remove the ring gear. Copyright 1993 - 2020 Caterpillar Inc. Fri Jan 31 23:17:08 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... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 1/2 Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D8N TRACK-TYPE TRACTOR 7TK Configuration: D8N Track-Type Tractor 7TK00001-UP (MACHINE) Disassembly and Assembly C11 and C13 Engines for Caterpillar Built Machines Media Number -RENR9214-23 Publication Date -01/05/2015 Date Updated -22/05/2018 i06123534 Flywheel - Install SMCS - 1156-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7574 Link Bracket 1 B FT2712 Guide Stud 1 C - Loctite 242 1 Always wear protective gloves when handling parts that have been heated. 1. Raise the temperature of the ring gear. Position the ring gear with the part number toward the crankshaft. Install the ring gear on the flywheel. Allow the ring gear to cool. Use a soft hammer in order to seat the ring gear against the shoulder of the flywheel. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 2/2 Illustration 1 g01132214 2. Attach Tooling (A) and a suitable lifting device to flywheel (2) . The weight of flywheel (2) is approximately 79 kg (175 lb). 3. Position flywheel (2) on Tooling (B) . 4. Apply Tooling (C) to bolts (1) . 5. Install bolts (1) . Remove Tooling (B) . Install remaining bolt (1) . Tighten the bolts evenly to a torque of 300 40 N m (221 30 lb ft). 6. Check the flywheel runout. Refer to Testing and Adjusting, "Flywheel - Inspect" for the correct procedure. Copyright 1993 - 2020 Caterpillar Inc. Fri Jan 31 23:18:08 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... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 1/2 Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D8N TRACK-TYPE TRACTOR 7TK Configuration: D8N Track-Type Tractor 7TK00001-UP (MACHINE) Disassembly and Assembly C11 and C13 Engines for Caterpillar Built Machines Media Number -RENR9214-23 Publication Date -01/05/2015 Date Updated -22/05/2018 i06010889 Crankshaft Rear Seal - Remove SMCS - 1161-011 Removal Procedure Start By: a. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - 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... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 2/2 Illustration 1 g01132235 1. Remove bolts (1). 2. Remove crankshaft rear seal (2). Note: Refer to Reuse and Salvage Guidelines, SEBF8039, "Crankshaft Visual Inspection and Magnetic Particle Inspection" for the correct inspection procedure of the crankshaft seal surface. Note: Refer to Reuse and Salvage Guidelines, SEBF9217, "Specifications for Crankshafts C7, C9, C-9, C10, C11, C12, C-12, C13, C-13, C15, C-15, C18, C-18, C27, C30, and C32 Engines" or the correct specifications of the crankshaft. Copyright 1993 - 2020 Caterpillar Inc. Fri Jan 31 23:19:07 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... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 1/3 Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D8N TRACK-TYPE TRACTOR 7TK Configuration: D8N Track-Type Tractor 7TK00001-UP (MACHINE) Disassembly and Assembly C11 and C13 Engines for Caterpillar Built Machines Media Number -RENR9214-23 Publication Date -01/05/2015 Date Updated -22/05/2018 i06010890 Crankshaft Rear Seal - Install SMCS - 1161-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A - Loctite 7649 Primer N - B - Loctite 620 Retaining Compound - C 147-2675 Wear Sleeve Installer 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 2/3 Illustration 1 g01140085 Illustration 2 g03698745 Numerical tightening sequence for bolts (2). Note: If required, install a crankshaft wear sleeve at engine overhaul. For more information please refer to the following Reuse and Salvage Guidelines. Refer to Reuse and Salvage Guidelines, SEBF9217, "Specifications for Crankshafts C7, C9, C-9, C10, C11, C12, C-12, https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 3/3 C13, C-13, C15, C-15, C18, C-18, C27, C30, and C32 Engines" or the correct specifications of the crankshaft. Refer to Reuse and Salvage Guidelines, SEBF8039, "Crankshaft Visual Inspection and Magnetic Particle Inspection" for the correct inspection procedure of the crankshaft seal surface. 1. If a crankshaft wear sleeve is necessary, refer to Step 1.a through Step 1.d to install the crankshaft wear sleeve. If a crankshaft wear sleeve is not necessary, refer to Step 2. a. Clean and polish the crankshaft of imperfections. b. Use Tooling (A) to clean the outside diameter of the crankshaft and the inside diameter of the crankshaft wear sleeve. c. Apply Tooling (B) to the outside diameter of the crankshaft and the inside diameter of the crankshaft wear sleeve. d. Use Tooling (C) to install the crankshaft wear sleeve. Note: Leave the shipping sleeve in place to install the crankshaft rear seal. The crankshaft rear seal must be installed dry. Note: If the seal group, O-ring seal, and the shipping sleeve are separated, these components should not be used. 2. Lubricate the O-ring seal with clean engine oil that is on the back of the crankshaft rear seal (1). 3. Position crankshaft rear seal (1) and the shipping sleeve over the crankshaft. Push crankshaft rear seal (1) in place to dislodge the shipping sleeve. Note: Do not remove the shipping sleeve until bolts (2) are installed. 4. Install new bolts (2) hand tight. Then, tighten bolts (2) in numerical sequence, shown in Illustration 2. Tighten bolts (2) to a torque of 12 3 N m (106 27 lb in). End By: a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install". Copyright 1993 - 2020 Caterpillar Inc. Fri Jan 31 23:20:06 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... 2020/1/31
D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 1/3 Shutdown SIS Previous Screen Product: TRACK-TYPE TRACTOR Model: D8N TRACK-TYPE TRACTOR 7TK Configuration: D8N Track-Type Tractor 7TK00001-UP (MACHINE) Disassembly and Assembly C11 and C13 Engines for Caterpillar Built Machines Media Number -RENR9214-23 Publication Date -01/05/2015 Date Updated -22/05/2018 i02249340 Flywheel Housing - Remove and Install SMCS - 1157-010 Removal Procedure Start By: a. Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install". b. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove". 1. Support the engine. Illustration 1 g01132273 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
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D8N Track-Type Tractor 7TK00001-UP (MACHINE)(SEBP2238 - 31) - Documentati... 2/3 2. Attach a suitable lifting device to flywheel housing (2). The weight of flywheel housing (2) is approximately 62 kg (137 lb). 3. Remove bolts (1) and flywheel housing (2). Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-8846 Gasket Sealant 1 1. Apply Tooling (A) to the face of the cylinder block. Illustration 2 g01132273 2. Attach a suitable lifting device to flywheel housing (2). The weight of flywheel housing (2) is approximately 62 kg (137 lb). Position flywheel housing (2) on the rear of the cylinder block. 3. Install bolts (1). End By: a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install". b. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Fri Jan 31 23:21:06 UTC+0800 2020 All Rights Reserved. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/1/31
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