Caterpillar Cat 321D LCR EXCAVATOR (Prefix TXA) Service Repair Manual Instant Download

Service Repair Manual Model 321DLCR EXCAVATOR

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 1/5 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 321D LCR EXCAVATOR TXA Configuration: 321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine Disassembly and Assembly C6.4 Engine for Caterpillar Built Machines Media Number -KENR8106-09 Publication Date -01/10/2017 Date Updated -18/10/2017 i03495529 Fuel Injection Lines - Remove SMCS - 1252-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty Fuel System Protection Gp (1) A 278-4138 1 ( 1 ) This tool can only be used one time. NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE Contact with high pressure fuel may cause personal injury or death. Wait 60 seconds after the engine has stopped to allow fuel pressure to purge before any service or repair is performed on the engine fuel lines. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 2/5 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. Dispose of all fluids according to local regulations and mandates. Note: Discard all fuel injection lines after use. Fuel injection lines must only be used one time. Note: Before opening the fuel system, the engine must be turned off for at least one minute. Note: Use CaterpillarElectronic Technician (ET) to verify that the fuel system pressure is at zero before opening the fuel system. Note: Use Tooling (A) after any fuel line has been disconnected. Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system. Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death. 1. Turn the fuel supply to the OFF position. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

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321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 3/5 Illustration 1 g01375415 2. Remove bolt (4) in order to remove tube assembly (5) and the O-ring seal. 3. Remove bolts (6) and reposition fuel priming pump (7) . 4. Disconnect harness assembly (1) . 5. Remove clip (2) . 6. Remove two bolts (3) (not shown) and reposition fuel filter base (8) . Illustration 2 g01375416 7. Remove bolts (9) in order to remove plate assembly (10) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 4/5 Illustration 3 g01832093 8. Remove clips (11) . 9. Remove fuel injection lines (12) and discard fuel injection lines (12) . 10. The following Steps are for removing the fuel return line, if necessary. Illustration 4 g01832094 a. Remove bolt (13) and the washers in order to disconnect tube assembly (14) . Discard the washers. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 5/5 Illustration 5 g01832095 The inlet manifold was removed for photographic purposes. b. Remove bolts (15) and the washers. Discard the washers. Remove tube assembly (14) . Copyright 1993 - 2019 Caterpillar Inc. Sat Oct 12 13:21:16 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... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 1/4 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 321D LCR EXCAVATOR TXA Configuration: 321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine Disassembly and Assembly C6.4 Engine for Caterpillar Built Machines Media Number -KENR8106-09 Publication Date -01/10/2017 Date Updated -18/10/2017 i03495621 Fuel Injection Lines - Install SMCS - 1252-012 Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1. Steps 1.a through 1.b are for installing the return fuel line, if necessary. Illustration 1 g01832095 The inlet manifold was removed for photographic purposes. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 2/4 a. Install tube assembly (14) . Install new washers and bolts (15) . Tighten bolts (15) to a torque of 15 2 N m (11 1 lb ft). Illustration 2 g01832094 b. Connect tube assembly (14) . Install new washers and bolt (13) . Tighten bolt (13) to a torque of 34 4 N m (25 3 lb ft). Illustration 3 g01832093 2. Install new fuel injection lines (12) . Tighten the ends of fuel injection lines (12) to a torque of 41 5 N m (30 4 lb ft). 3. Install clips (11) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 3/4 Illustration 4 g01375416 4. Position plate assembly (10) and install bolts (9) . Illustration 5 g01375415 5. Position fuel filter base (8) and install two bolts (3) (not shown). 6. Install clip (2) . 7. Connect harness assembly (1) . 8. Position fuel priming pump (7) and install bolts (6) . 9. Install the O-ring seal onto tube assembly (5) . Install tube assembly (5) and install bolt (4) . 10. Turn the fuel supply to the ON position. Copyright 1993 - 2019 Caterpillar Inc. Sat Oct 12 13:22:12 UTC+0800 2019 All Rights Reserved. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 321D LCR EXCAVATOR TXA Configuration: 321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine Disassembly and Assembly C6.4 Engine for Caterpillar Built Machines Media Number -KENR8106-09 Publication Date -01/10/2017 Date Updated -18/10/2017 i02746263 Fuel Manifold (Rail) - Remove SMCS - 1702-011 Removal Procedure Start By: a. Remove the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove". NOTICE Contact with high pressure fuel may cause personal injury or death. Wait 60 seconds after the engine has stopped to allow fuel pressure to purge before any service or repair is performed on the engine fuel lines. NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. NOTICE https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 2/3 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. Dispose of all fluids according to local regulations and mandates. NOTICE Fuel injection lines MUST only be used once. Discard all fuel injection lines after use. Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death. Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system. Note: Before opening the fuel system, the engine must be turned off for at least one minute. Note: Use Caterpillar Electronic Technician (ET) to verify that the fuel system pressure is at zero before opening the fuel system. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 3/3 Illustration 1 g01375419 1. Loosen clamp (4) and disconnect hose (5). 2. Remove fitting (3). 3. Remove bolts (2) and remove fuel manifold (1). Copyright 1993 - 2019 Caterpillar Inc. Sat Oct 12 13:23:08 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... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 321D LCR EXCAVATOR TXA Configuration: 321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine Disassembly and Assembly C6.4 Engine for Caterpillar Built Machines Media Number -KENR8106-09 Publication Date -01/10/2017 Date Updated -18/10/2017 i02746264 Fuel Manifold (Rail) - Install SMCS - 1702-012 Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g01375419 1. Position fuel manifold (1) and install bolts (2). 2. Install fitting (3). Tighten fitting (3) to a torque of 25 + 3 - 0 N m (18 + 2 - 0 lb ft). 3. Connect hose (5) and tighten clamp (4). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 2/2 End By: a. Install the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Install". Copyright 1993 - 2019 Caterpillar Inc. Sat Oct 12 13:24:04 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... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 1/6 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 321D LCR EXCAVATOR TXA Configuration: 321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine Disassembly and Assembly C6.4 Engine for Caterpillar Built Machines Media Number -KENR8106-09 Publication Date -01/10/2017 Date Updated -18/10/2017 i04554149 Fuel Injection Pump - Remove SMCS - 1251-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty Fuel System Protection Gp (1) A 278-4138 1 ( 1 ) This tool can only be used one time. Start By: A. Remove the fan drive. Refer to Disassembly and Assembly, "Fan Drive - Remove and Install". Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be cleaned. Cleaning the components thoroughly will help to prevent dirt from entering the internal mechanism. Note: Put identification marks on all hoses, on all hose assemblies, on all harness assemblies, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. Plugging all hose assemblies helps to prevent fluid loss, and this helps to keep contaminants from entering the system. NOTICE Contact with high pressure fuel may cause personal injury or death. Wait 60 seconds after the engine has stopped to allow fuel pressure to purge before any service or repair is performed on the engine fuel lines. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 2/6 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. Dispose of all fluids according to local regulations and mandates. NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death. Note: Before opening the fuel system, the engine must be turned off for at least one minute. Note: Use Caterpillar Electronic Technician (ET) to verify that the fuel system pressure is at zero before opening the fuel system. Note: Use Tooling (A) after any fuel line has been disconnected. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 3/6 Illustration 1 g01375105 Illustration 2 g02723312 (2) Fuel injection pump drive gear (3) Idler gear Note: Mark the teeth on pump drive gear (2) and idler gear (3) for installation purposes. 1. Remove cover (1) . 2. If you are reusing pump drive gear (2) , mark pump drive gear (2) and idler gear (3) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 4/6 3. If replacing pump drive gear (2) or a problem is encountered, align the "33" Mark on fuel injection pump drive gear (2) with the "3" Mark on idler gear (3) by rotating the engine. Note: The No. 1 cylinder is at the top center position when the "33" Mark and the "3" Mark are in alignment. Illustration 3 g01375153 4. Disconnect hose assembly (4) . 5. Remove nut (5) . 6. Disconnect hose assemblies (6) and remove the washers. Discard the washers. 7. Disconnect harness assembly (7) . 8. Remove tube assembly (9) and remove bracket assembly (8) . Illustration 4 g01375195 9. Loosen clamp (12) and disconnect hose (13) . 10. Remove fitting (11) in order to disconnect tube assembly (10) and remove the washers. Discard the washers. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 5/6 Illustration 5 g01375184 11. Remove tube assembly (14) . 12. Disconnect harness assembly (15) . 13. Remove bolt (16) in order to remove hose assembly (17) and the washers. Discard the washers. 14. Remove bolt (19) in order to disconnect hose assembly (18) and the washers. Discard the washers. 15. Remove bolt (20) . Remove tube assembly (10) and the washers. Discard the washers. Illustration 6 g01375221 16. Remove bolts (22) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/10/12

321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 6/6 17. Remove two bolts (23) (not shown). 18. Remove bolts (24) . 19. Remove fuel injection pump (21) and the O-ring seal. 20. If you are reusing the pump drive gear, remove the pump drive gear and install the pump drive gear on the new fuel injection pump. The marks that were made during removal will be used to orient the fuel injection pump during installation. If a new gear is being used, transfer the mark from the original gear to the replacement gear for installation purposes. Copyright 1993 - 2019 Caterpillar Inc. Sat Oct 12 13:24:59 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... 2019/10/12

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321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine(SEB... 1/5 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 321D LCR EXCAVATOR TXA Configuration: 321D LCR Excavator TXA00001-UP (MACHINE) POWERED BY C6.4 Engine Disassembly and Assembly C6.4 Engine for Caterpillar Built Machines Media Number -KENR8106-09 Publication Date -01/10/2017 Date Updated -18/10/2017 i04786161 Fuel Injection Pump - Install SMCS - 1251-012 Installation Procedure 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. Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary. 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... 2019/10/12

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