Caterpillar Cat 322C L Hydraulic Excavator (Prefix HEK) Service Repair Manual Instant Download
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Service Repair Manual Model 322C L 322CL HydraulicExcavator
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i02672998 Unit Injector Hydraulic Pump - Install SMCS - 1714-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 5P-0327 Crowfoot Wrench 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/3 Illustration 1 g00727636 1. Position drive gear (12) on the unit injector hydraulic pump. Install washer (11) and bolt (10) on the unit injector hydraulic pump. Tighten bolt (10) to a torque of 110 14 N m (81 10 lb ft). 2. Lubricate O-ring seal (9) with clean engine oil. Install the O-ring seal on the unit injector hydraulic pump. Illustration 2 g00727632 3. Position unit injector hydraulic pump (6) on the timing gear housing. Install three bolts (8) and tighten three bolts (8) to a torque of 28 7 N m (20 5 lb ft). 4. Install cable strap (7). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
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322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 3/3 Illustration 3 g00727629 5. Install return line assembly (4) on the engine block and on fitting (3). 6. Reconnect harness assembly (2). 7. Use Tooling (A) to install line assembly (1). NOTICE If the hose is not correctly connected the hose will come loose when the engine is started and the engine oil will come out of the hose. Engine damage can result. NOTICE Leakage of the high pressure engine oil lines can result in failure of the engine fuel system. 8. Install hose assembly (5) and lock the hose assembly in position. Apply pressure in order to snap the hose assembly into the quick coupling for each of the ends. Note: Be sure to check the connection by pulling back on the hose. Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:50:54 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01929376 Turbocharger - Remove SMCS - 1052-011 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/2 Illustration 1 g00617515 1. Remove bolts (1) and the gasket. Remove bolts (3) and tube assembly (2) from the turbocharger. Illustration 2 g00617565 2. Remove the bolts and the gasket in order to disconnect oil supply tube assembly (5) from the turbocharger. 3. Remove nuts (4), turbocharger (6), and the gasket from the exhaust manifold. Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:51:49 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01978052 Turbocharger - Disassemble SMCS - 1052-015 Disassembly Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/2 Illustration 1 g01025751 1. Place alignment marks on the two housings and the cartridge assembly for the correct alignment during assembly. 2. Disconnect hose (4) from compressor housing (3). 3. Remove waste gate (5) from turbine housing (1). 4. Remove turbine housing (1). 5. Remove compressor housing (3) from cartridge assembly (2). Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:52:45 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01978165 Turbocharger - Assemble SMCS - 1052-016 Assembly Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g01025751 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/2 1. Position compressor housing (3) on cartridge assembly (2) and align the marks on the components. 2. Position turbine housing (1) on cartridge assembly (2) and align the marks on the components. 3. Install waste gate (5). 4. Connect hose (4) to compressor housing (3). Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:53:41 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01334762 Turbocharger - Install SMCS - 1052-012 Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1. Inspect the turbocharger gasket for wear or damage. If the turbocharger gasket is worn or damaged, use a new part for replacement. 2. Apply 5P-3931 Anti-Seize Compound on the threads of the mounting studs for the turbocharger. Illustration 1 g00617565 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/2 3. Position the turbocharger gasket and turbocharger (6) on the exhaust manifold. Install nuts (4) that fasten turbocharger (6) to the exhaust manifold. 4. Tighten the locknuts that fasten the turbocharger to the exhaust manifold. Tighten the 3E-8017 Locknut with the Spiralock thread to the following torque: ... 54 5 N m (40 4 lb ft) Tighten the standard 9X-6620 Locknut to the following torque: ... 70 5 N m (50 4 lb ft) Illustration 2 g00617515 5. Inspect the gaskets for oil supply tube assembly (5) and tube assembly (2). If the gaskets are worn or damaged, use a new part for replacement. 6. Position tube assembly (2) and the gasket on turbocharger (6). Install bolts (1) on the turbocharger and install bolts (3) on the cylinder block. 7. Install the gasket for oil supply tube assembly (5) and connect oil supply tube assembly (5) to turbocharger (6). Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:54:37 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01978190 Exhaust Manifold - Remove and Install SMCS - 1059-010 Removal Procedure Start By: a. Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove". Illustration 1 g01025883 1. Remove bolts (1), locks (3), exhaust manifold (2), and the gaskets from the cylinder head assembly. Installation Procedure https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/3 Table 1 Required Tools Tool Part Number Part Description Qty A 2P-2333 High Temperature Sealer 1 B 5P-3931 Anti-Seize Compound 1 NOTICE Excessive use of sealant can cause damage to components. To avoid component damage use only the amount of sealant necessary for the application. Illustration 2 g01025883 Note: Apply Tooling (A) to the outside diameter of the male ends of exhaust manifold (2) if exhaust manifold (2) is disassembled. Assemble exhaust manifold (2) and remove the excess sealer from the joints. 1. Apply Tooling (B) to the threads of bolts (1). Position the gaskets and exhaust manifold (2) on the cylinder head assembly. Install locks (3) and bolts (1). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 3/3 Illustration 3 g00617739 2. Tighten bolt (1) through bolt (12) in a numerical sequence. Tighten bolts to 4 1 N m (35 9 lb in). 3. Tighten bolt (1) through bolt (12) in a numerical sequence 45 5 N m (33 4 lb ft). Note: Prior to starting or running the engine, allow the sealant in the exhaust manifold joints to air dry for 24 hours. End By: a. Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install". Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:55:33 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/1 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01978837 Air Inlet Heater Solenoid - Remove and Install SMCS - 1090-010-OD Illustration 1 g01025992 Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:56:28 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01929576 Air Inlet Cover - Remove and Install SMCS - 1087-010-CH Removal Procedure Start By: a. Remove the air inlet heater. Refer to Disassembly and Assembly, "Air Inlet Heater - Remove and Install". b. Remove the fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove and Install". Illustration 1 g00618364 1. Disconnect harness assembly (2) for the boost sensor. 2. Remove the bolts and mounting bracket (1) for the fuel filter base. 3. Remove the bolts and air inlet cover (3). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/2 Installation Procedure Illustration 2 g00618364 1. Inspect the gasket for air inlet cover (3). Replace the gasket, if necessary. 2. Position air inlet cover (3), mounting bracket (1) for fuel filter base, and the wiring clip on the cylinder head. Install the bolts. 3. Connect harness assembly (2) for the boost sensor. End By: a. Install the fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove and Install". b. Install the air inlet heater. Refer to Disassembly and Assembly, "Air Inlet Heater - Remove and Install". Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:57:24 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i01377295 Air Inlet Elbow - Remove and Install SMCS - 1087-010-E4 Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g00728048 1. Loosen hose clamp (2) and remove hose (1) from the air inlet elbow (3). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/3 Illustration 2 g00728030 2. Disconnect plug (5) from the air temperature sensor. 3. Remove eight bolts (4). Remove air inlet elbow (3). Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1. Clean the joint face on the air inlet elbow and the joint face on the air inlet cover with solvent. Apply 4C-9500 Quick Cure Primer on the joint face. Allow the primer to air dry for a minimum of three to five minutes. 2. Apply 1U-8846 Sealant to the joint face of the air inlet elbow and to the joint face of the air inlet cover. Installation of the air inlet elbow must be within ten minutes of application of the sealant. Illustration 3 g00728030 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 3/3 3. Position air inlet elbow (3) on the air inlet cover. 4. Install eight bolts (4). 5. Connect plug (5) to the air temperature sensor. Illustration 4 g00728048 6. Install hose (1) on air inlet elbow (3). Tighten hose clamp (2). Copyright 1993 - 2019 Caterpillar Inc. Mon Sep 16 21:58:20 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... 2019/9/16
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 1/4 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR HEK Configuration: 322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 3126B Engines for Caterpillar Built Machines Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018 i02374873 Inlet and Exhaust Valves - Remove and Install SMCS - 1105-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 5S-1330 Valve Spring Compressor 1 Start By: a. Remove the cylinder head assembly. Refer to Disassembly and Assembly, "Cylinder Head - Remove". 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... 2019/9/16
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322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B En... 2/4 Illustration 1 g00991548 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. Use Tooling (A) to compress valve spring (4). Remove retainer lock (6). 2. Remove Tooling (A). Remove spring retainer (5), valve spring (4), and washer (3). 3. Remove valve seal (1) and valve (2). 4. Repeat Steps 1 through 3 in order to remove the remaining inlet valves and exhaust valves. Installation Procedure https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2019/9/16
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