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Caterpillar Cat 317B LN Excavator (Prefix 9WW) Service Repair Manual (9WW00001 and up)

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Caterpillar Cat 317B LN Excavator (Prefix 9WW) Service Repair Manual (9WW00001 and up)

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  1. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i01030044 Rocker Shaft and Pushrod - Remove SMCS - 1102-011; 1208-011 Removal Procedure Start By: A. Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g00530465 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  2. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/2 1. Loosen adjusting screws (1) on rocker arms. 2. Loosen six short bolts (3) and the washers on the rocker arm brackets. 3. Loosen six rocker bracket bolts (2) . Note: Rocker bracket bolts are the longer bolts. 4. Remove six rocker bracket bolts (2) from the rocker arm brackets. 5. Remove six short bolts (3) and the washers from the rocker arm brackets. 6. Remove the rocker shaft assembly. Illustration 2 g00530467 7. Put identification marks on pushrods (4) in order to identify the location of the pushrods in the engine. Remove pushrods (4) . Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:00:45 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... 2020/12/10

  3. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i02063400 Rocker Shaft - Disassemble SMCS - 1123-015 Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1855 Retaining Ring Pliers 1 Start By: A. Remove the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - 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... 2020/12/10

  4. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/2 Illustration 1 g00531311 1. Use Tool (A) to remove snap ring (1) on each end of the rocker shaft assembly. Illustration 2 g00531306 2. Remove twelve rockers (2), six rocker arm shaft brackets (4) and six springs (3) from each end of shaft assembly (5) . Note: Mark the location and the position of each component for later assembly. 3. Remove plugs (6) from each end of shaft assembly (5) . Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:01:41 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... 2020/12/10

  5. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i02063398 Rocker Shaft - Assemble SMCS - 1102-016 Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1855 Retaining Ring Pliers 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... 2020/12/10

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  7. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/2 Illustration 1 g00531306 1. Install twelve rockers (2), six rocker arm shaft brackets (4) and six springs (3) onto shaft assembly (5) . 2. Install plugs (6) into each end of shaft assembly (5) . Illustration 2 g00531311 3. Use Tool (A) to install snap ring (1) on each end of the rocker shaft assembly. End By: Install the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrods - Install". Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:02:37 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... 2020/12/10

  8. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/2 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i01579663 Rocker Shaft and Pushrod - Install SMCS - 1102-012; 1208-012 Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g00530467 1. Install pushrods (4) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  9. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/2 Note: Ensure that the pushrods are installed in the original location and seated in the valve lifters correctly. Illustration 2 g00530465 2. Install the rocker shaft assembly. 3. Install six rocker bracket bolts (2) and tighten the rocker bracket bolts to a torque of 15 ± 5 N·m (11 ± 4 lb ft). Note: Rocker bracket bolts are the longer bolts. 4. Install six short bolts (3) and the washers. Tighten the short bolts to a torque of 15 ± 5 N·m (11 ± 4 lb ft). 5. Adjust the inlet valve lash and the exhaust valve lash to 0.25 mm (0.010 inch). Refer to Testing and Adjusting, "Air Inlet and Exhaust System" for more information on setting the valve lash. Tighten adjusting screws (1) . End By: Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:03:33 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... 2020/12/10

  10. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i01032735 Cylinder Head - Remove SMCS - 1100-011 Removal Procedure Start By: A. Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove". B. Remove the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrods - Remove". C. Remove the fuel injection nozzles in order to protect from damage. Refer to Disassembly and Assembly, "Fuel Injection Nozzles - Remove". D. Remove the glow plugs in order to protect from damage. Refer to Disassembly and Assembly, "Glow Plugs - Remove and Install". 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 machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  11. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/3 Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. Illustration 1 g00562585 1. If necessary, remove bolt (2) and remove oil tube assembly (dipstick). Illustration 2 g00531679 Cylinder Head Tightening Sequence 2. Gradually remove 25 cylinder head bolts (1) in reverse order of the tightening sequence. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  12. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 3/3 Note: Do not use a pry bar to separate the cylinder head from the engine block. Illustration 3 g00560287 3. Attach a hoist to the cylinder head lifting brackets and remove the cylinder head from the cylinder block. The weight of the cylinder head assembly is 60 kg (132 lb). Note: Place the cylinder head on a surface that will not damage the face of the cylinder head. Illustration 4 g00560297 4. Remove the cylinder head gasket (3) . Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:04:29 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... 2020/12/10

  13. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i02063403 Cylinder Head - Install SMCS - 1100-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 9U-7995 Guide Pin 2 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... 2020/12/10

  14. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/3 Illustration 1 g00560297 1. Clean the surfaces of the cylinder head and the cylinder block that are in contact with each other. Ensure that the surfaces are clean and dry. Install a new, dry cylinder head gasket (3) on the cylinder block. Note: Do not use any sealant or gasket adhesive on the cylinder head gasket . 2. Install Tool (A) (not shown) on the cylinder block in order to install the cylinder head. Illustration 2 g00560287 3. Attach a hoist to the cylinder head lifting brackets and install the cylinder head in position on the cylinder block. The weight of the cylinder head assembly is 60 kg (132 lb). 4. Remove Tool (A) . 5. Apply 6V-4876 Lubricant to all of the threads and thrust faces of cylinder head bolts (1) . Illustration 3 g00562585 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  15. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 3/3 Illustration 4 g00531679 Cylinder Head Tightening Sequence 6. Install cylinder head bolts (1) and tighten all of the bolts (1 through 25) in a numerical order according to the cylinder head tightening sequence. Tighten cylinder head bolts (1) to a torque of 118 ± 5 N·m (87 ± 4 lb ft). 7. If necessary, install oil tube assembly (dipstick) and install bolt (2) . End By: a. Install the fuel injector nozzles. Refer to Disassembly and Assembly, "Fuel Injection Nozzles - Install". b. Install the glow plugs. Refer to Disassembly and Assembly, "Glow Plugs - Remove and Install". c. Install the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrods - Install". d. Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install". Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:05:24 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  16. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/3 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i01033379 Lifter Group - Remove and Install SMCS - 1209-010 Removal Procedure Start By: A. Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 1 g00532246 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  17. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/3 Illustration 2 g00532061 1. Use a magnet to remove valve lifter (1), as shown. Put identification marks on the valve lifters for installation purposes. 2. Repeat Step 1 for the remainder of the valve lifters. Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Illustration 3 g00532061 1. Put 8T-2998 Lubricant on valve lifter (1) prior to installation. Install valve lifter (1) in the original location in the cylinder block. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  18. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 3/3 2. Repeat Step 1 for the remainder of the valve lifters. End By: Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:06:20 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  19. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 1/10 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 317B L EXCAVATOR 9WW Configuration: 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 Engine Disassembly and Assembly 3046 Engine For Caterpillar Built Machines Media Number -SENR6458-05 Publication Date -01/04/2004 Date Updated -22/04/2004 i01597409 Camshaft - Remove and Install SMCS - 1210-010 Removal Procedure 1 Table 1 Required Tools Tool Part Number Part Description Qty A 1P-2320 Combination Puller 1 1P-2321 Combination Puller 1 C 9S-9153 Puller Jaws 3 Start By: A. Remove the timing gear cover. Refer to Disassembly and Assembly, "Housing (Front) - Remove". B. Remove the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove". C. Remove the oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install". Note: The engine oil pan is facing in the up direction in order to retain the lifters in position for this procedure. 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... 2020/12/10

  20. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 2/10 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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. Note: Ensure that the marks on the timing gears are in alignment. Align the fuel injection drive gear with the "33" mark with the "3" mark on the idler gear. Make an alignment of the "2" mark on the camshaft gear with the "22" mark on the idler gear. Align the "1" mark on the crankshaft gear with the "11" mark on the idler gear. The No. 1 cylinder is at the top center position when these marks are in alignment. 1. Rotate the engine at 180 degrees. Illustration 1 g00532179 2. Use Tool (A) to remove bearing (1) from the front of camshaft gear (2) . Note: This step is necessary only if the camshaft gear is equipped with a bearing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  21. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 3/10 Illustration 2 g00532382 NOTICE Do not damage the lobes or the bearings when the camshaft is removed or installed. 3. Position camshaft gear (2) so that the gear's slots align from the top to the bottom. Remove two bolts (3) and the washers that hold thrust plate (4). Carefully remove the camshaft, the thrust plate and the camshaft gear as an assembly. 4. Remove the 12 valve lifters. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install". Illustration 3 g00532384 5. Use tool (C) to remove camshaft gear (2) from camshaft (5). Remove thrust plate (4) . Installation Procedure 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  22. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 4/10 Note: In this installation procedure, the engine needs to remain in the upside-down position in order to keep the lifters in position while the camshaft is installed. NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Note: During installation, ensure that camshaft (4) is clean and lubricate all of the components with clean engine oil. Illustration 4 g00532385 1. Install thrust plate (4) onto camshaft (5) . Always wear protective gloves when handling parts that have been heated. 2. Heat camshaft gear (2) in an oven to a maximum temperature of 150 °C (302 °F) and install camshaft gear (2) onto camshaft (5) . 3. Install the 12 valve lifters. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install". Note: During installation, ensure that the marks on the timing gears are in alignment. Align the fuel injection drive gear with the "33" mark with the "3" mark on the idler gear. Make an alignment of the "2" mark on the camshaft gear with the "22" mark on the idler gear. Align https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  23. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 5/10 the "1" mark on the crankshaft gear with the "11" mark on the idler gear. The No. 1 cylinder is at the top center position when these marks are in alignment. 4. Carefully install the camshaft assembly into the original location in the cylinder block. Note: Caution must be used when the camshaft is installed in order to not damage the camshaft lobe or the camshaft bearings. Illustration 5 g00532382 5. Position camshaft gear (2) so that the gear's slots align from the top to the bottom. Install two bolts (3) and the washers that hold thrust plate (4). Tighten bolts (3) to a torque of 10 to 13 N·m (7 to 10 lb ft). 6. If necessary, install the bearing onto the front of the camshaft gear. End By: a. Install the oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install". b. Install the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install". c. Install the timing gear cover. Refer to Disassembly and Assembly, "Housing (Front) - Install". Removal Procedure 2 Table 2 Required Tools Tool Part Number Part Description Qty A 1P-2320 Combination Puller 1 B 1U-7638 Magnetic Holding Tools 12 1P-2321 Combination Puller 1 C 9S-9153 Puller Jaws 3 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  24. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 6/10 Start By: A. Remove the timing gear cover. Refer to Disassembly and Assembly, " Housing (Front) - Remove". B. Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove". Note: This removal procedure is done with the engine in the upright position and the valve lifters left in the cylinder block. 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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar 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... 2020/12/10

  25. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 7/10 Illustration 6 g00532179 The engine is rotated at 180 degrees. 1. Use Tool (A) to remove bearing (1) from the front of camshaft gear (2) . Note: This step is necessary only if the camshaft gear is equipped with a bearing. Illustration 7 g00534616 2. Install Tool (B) in order to hold the 12 valve lifters. Note: Make sure that Tool (B) is holding the lifters as far up in cylinder block (6) as possible. Illustration 8 g00534473 Note: Be careful not to dislodge the valve lifters from Tools (B) during removal of the camshaft. NOTICE https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

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  28. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 8/10 Do not damage the lobes or the bearings when the camshaft is removed or installed. 3. Position camshaft gear (2) so that the gear's slots align from the top to the bottom. Remove two bolts (3) and the washers that hold thrust plate (4). Carefully remove the camshaft, the thrust plate and the camshaft gear as an assembly from cylinder block (6) . Illustration 9 g00532384 4. Use tool (C) to remove camshaft gear (2) from camshaft (5). Remove thrust plate (4) . Installation Procedure 2 Table 3 Required Tools Tool Part Number Part Description Qty B 1U-7638 Magnetic Holding Tools 12 Note: This installation procedure is done with the engine in the upright position and the valve lifters left in the cylinder block. NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Note: During installation, ensure that camshaft (4) is clean and lubricate all of the components with clean engine oil. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  29. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 3046 E... 9/10 Illustration 10 g00532385 1. Install thrust plate (4) onto camshaft (5). Heat camshaft gear (2) to a maximum temperature of 150 °C (302 °F) and install camshaft gear (2) onto camshaft (4) . Note: During installation, ensure that the marks on the timing gears are in alignment. Align the fuel injection drive gear with the "33" mark with the "3" mark on the idler gear. Make an alignment of the "2" mark on the camshaft gear with the "22" mark on the idler gear. Align the "1" mark on the crankshaft gear with the "11" mark on the idler gear. The No. 1 cylinder is at the top center position when these marks are in alignment. 2. Carefully install the camshaft assembly into the original location in the cylinder block. Note: Caution must be used when the camshaft is installed in order to not damage the camshaft lobe or the camshaft bearings. Illustration 11 g00534616 Note: Make sure that Tool (B ) is holding the lifters as far up in cylinder block (6) as possible. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/12/10

  30. 317B L & 317B LN Excavators 9WW00001-UP (MACHINE) POWERED BY 304... 10/10 Illustration 12 g00534473 3. Position camshaft gear (2) so that the gear's slots align from the top to the bottom. Install two bolts (3) and the washers that hold thrust plate (4). Tighten bolts (3) to a torque of 10 to 13 N·m (7 to 10 lb ft). 4. If necessary, install the bearing onto the front of the camshaft gear. End By: a. Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install". b. Install the timing gear cover. Refer to Disassembly and Assembly, "Housing (Front) - Install". Copyright 1993 - 2020 Caterpillar Inc. Thu Dec 10 23:07:16 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... 2020/12/10

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