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Caterpillar Cat 345B Series II Material Handler Excavator (Prefix DET) Service Repair Manual (DET00001 and up)

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Caterpillar Cat 345B Series II Material Handler Excavator (Prefix DET) Service Repair Manual (DET00001 and up)

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  1. Service Repair Manual Models 345B Series II M aterial HandlerExcavator

  2. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 2/13 A. Remove the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Remove" in this manual. Table 1 Required Tools Tool Part Number Part Description Qty (A) 3E-3879 Eyebolt 1 (B) 1P-0074 Slide Hammer Puller 1 (C) 6V-3010 Puller Group 1 (D) 4C-8359 Eyebolt 1 (E) 9S-9152 Bearing Puller 1 (F) 1P-1862 Pliers 1 (G) 1P-0510 Driver Group 1 (H) 1U-7600 Slide Hammer Puller 1 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. NOTICE Failure to properly assemble parts or failure to follow established procedures can lead to damage to the parts and assembly. To avoid damage to parts, always identify and mark the parts so that they can be installed into the same location. Never force parts during assembly. Keep parts clean and lubricated. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  3. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 3/13 NOTICE Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination. Note: If a failure occurs, an accurate diagnosis of the cause can prevent a recurrence. Information is available to analyze failures for piston pumps and motors. Refer to Special Publication, SEBD0641, "Analyzing Axial Piston Pump and Motor Failures". Note: Inspect all parts. If any parts are worn or damaged use new parts for replacement. The installation of used parts during reconditioning is acceptable. Reuse and salvage information is available on piston pumps. Refer to Guideline for Reusable Parts and Salvage Operations, SEBF8032, "Piston Pumps and Motors". During reconditioning, correct any conditions that might have caused the original failure. 1. Thoroughly clean the outside of the travel motor prior to disassembly. Fasten the travel motor to a suitable holding fixture in a vertical position. The weight of the travel motor is 141 kg (310 lb). Illustration 1 g00627438 2. Remove displacement change valve (1) from the head of the travel motor. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  4. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 4/13 Illustration 2 g00624938 3. Remove three O-ring seals (2) and two rings (3) from the displacement change valve. Illustration 3 g00628657 4. Remove three plugs (5) from the head. Remove an O-ring seal from each plug. 5. Remove six outer bolts (4) from the head of the travel motor. Illustration 4 g00624949 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  5. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 5/13 6. Use Tooling (A) and a suitable lifting device to remove the head of the travel motor from the travel motor housing. The head weighs 43 kg (95 lb). Note: There are three pins (7) that may fall out of the inside of the head when the head is removed. Note: Be careful during the removal of head (6) from the travel motor housing. Be careful not to scratch mating surfaces or damage the mating surfaces of the components. Illustration 5 g00624953 7. Turn over the head. If three pins (7) are in the bottom side of the head, remove the pins. Illustration 6 g00627405 8. Remove port plate (8) and O-ring seal (9) from the head. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  6. https://www.aservicemanualpdf.com/ My Dear Friend! Thank you very much for visiting. Full manual if required, please enter the following URL into your browser. https://www.aservicemanualpdf.com/

  7. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 6/13 Illustration 7 g00625967 9. Use Tooling (B) in order to remove bearing (10) from the head of the travel motor. Illustration 8 g00627391 10. Remove plate (11) and remove springs (12) from the travel motor housing. 11. Remove O-ring seals (13) from the upper surface of the travel motor housing. Illustration 9 g00627377 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  8. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 7/13 12. Install Tooling (C) on the brake piston (14). Remove the brake piston. Illustration 10 g00625888 13. Remove O-ring seals (15) and the backup rings from the brake piston. Note: Make sure that you take note of the location of the O-rings versus the backup rings. Illustration 11 g00625891 14. Remove six separator plates (16) from the travel motor housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  9. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 8/13 Illustration 12 g00666743 15. Remove five friction disks (17) from the travel motor housing. Illustration 13 g00626837 16. Install Tooling (D) to the shaft and use a suitable lifting device in order to remove the rotating group from the travel motor housing. The weight of the rotating group is 29 kg (65 lb). Note: Do not allow the components of the rotating group to come apart during the removal from the travel motor. All of the components in the rotating group must be reinstalled in the component's original location. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  10. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 9/13 Illustration 14 g00626633 17. Turn over the rotating group. Remove shaft assembly (18) from the rotating group. Illustration 15 g00666621 Illustration 16 g00625900 18. Use a suitable press to remove bearing (19) from shaft (18) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  11. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 10/13 Illustration 17 g00666622 19. Use Tool (E) and a suitable press in order to remove inner race (20) from shaft (18) . Illustration 18 g00625908 20. Remove cam plate (21) from the rotating group. Illustration 19 g00625911 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  12. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 11/13 21. Retainer (22) and piston assemblies (23) are not serviced separately. Prior to the removal of the retainer and the piston assemblies from barrel (24), put identification marks on the piston assemblies, the retainer and the barrel for assembly purposes. 22. The piston assemblies must be reinstalled in the original bores in the retainer and the barrel. 23. Remove retainer (22) and piston assemblies (23) from barrel (24) . 24. Separate the piston assemblies from the retainer. Illustration 20 g00625917 Note: The orientation of the four washers (25) is important. The four washers must be reinstalled on barrel (24) in the same orientation. 25. Remove guide (26) and outer spacer (27) from barrel (24) . 26. Remove four washers (25) and inner spacer (28) from the barrel. Illustration 21 g00625937 27. Remove two keys (29) from the travel motor housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  13. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 12/13 Illustration 22 g00625920 28. Use Tooling (F) to remove retaining ring (30) from the shaft end of the travel motor housing. Illustration 23 g00625936 Illustration 24 g00636454 29. Use Tooling (G) to remove lip type seal (31) from the travel motor housing if the shaft has been removed from the travel motor. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  14. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 13/13 30. Use Tooling (H) to remove lip type seal (31) if the shaft has not been removed from the travel motor. Place the travel motor in a vertical position when you use Tooling (H) to remove the lip type seal. Illustration 25 g00625976 31. Remove plug (33) and piston (32) from the travel motor housing. Remove O-ring seal (34) from the plug. Copyright 1993 - 2020 Caterpillar Inc. Sun Sep 20 01:43:20 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... 2020/9/20

  15. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 1/15 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 345B II EXCAVATOR DET Configuration: 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C Engine Disassembly and Assembly 345B, 345B Series II and W345B Series II Excavators Machine Systems Media Number -SENR1934-11 Publication Date -01/01/2012 Date Updated -12/01/2012 i01324820 Travel Motor - Assemble - Series II SMCS - 4351-016 S/N - AGS1-UP S/N - AKJ1-UP S/N - AKX1-UP S/N - ALB1-UP S/N - ALD1-UP S/N - AMD1-UP S/N - AMJ1-UP S/N - AMN1-UP S/N - APB1-UP S/N - AYR1-UP S/N - CCC1-UP S/N - DCW1-UP S/N - DET1-UP S/N - FEE1-UP Assembly Procedure Table 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  16. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 2/15 Required Tools Tool Part Number Part Description Qty (A) 180-6533 Seal Driver 1 (B) 6V-7030 Micrometer Depth Gauge 1 (C) 8T-0447 Calipers 1 (D) 4C-8359 Eyebolt 1 (E) 1P-0510 Driver Group 1 (F) 3E-3879 Eyebolt 1 (G) 1P-1862 Pliers 1 NOTICE Keep all parts clean from contaminants. Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components. To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly. Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination. Note: If a failure occurs, an accurate diagnosis of the cause can prevent a recurrence. Information is available to analyze failures for piston pumps and motors. Refer to Special Publication, SEBD0641, "Analyzing Axial Piston Pump and Motor Failures". Note: Inspect all parts. If any parts are worn or damaged use new parts for replacement. The installation of used parts during reconditioning is acceptable. Reuse and salvage information is available on piston pumps. Refer to Guideline For Reusable Parts and Salvage Operations, SEBF8032, "Piston Pumps and Motors". During reconditioning, correct any conditions that might have caused the original failure. Note: O-rings, gaskets, and seals should always be replaced. A used O-ring may not have the same sealing properties as a new O-ring. Use 1U-6396 O-Ring Assembly Compound during the assembly procedure. Note: Apply a light film of "10W" oil to all components before assembly. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  17. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 3/15 Illustration 1 g00631019 1. Install O-ring seal (36) on plug (35) . 2. Install piston (34) and the plug in the travel motor body. Tighten the plug to a torque of 430 ± 40 N·m (317 ± 30 lb ft). Illustration 2 g00630992 Illustration 3 g00636553 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  18. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 4/15 3. Apply a thin coat of 4C-4030 Thread Lock Compound on the outer surfaces of lip type seal (33) . 4. Use Tooling (A) and a suitable hammer to drive the lip type seal into the travel motor body. Drive the seal downward until Tooling (A) makes contact with the travel motor housing. 5. Use Tooling (G) to install retaining ring (32) to the shaft end of the travel motor body. Illustration 4 g00630986 6. Install two keys (31) inside the travel motor body. Illustration 5 g00629434 7. Assemble washers (29), inner spacer (30) and outer spacer (28) in the proper orientation, as shown. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  19. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 5/15 Illustration 6 g00628110 8. Use Tooling (B) to measure the distance from the outer spacer to the surface of the table. The distance should be 22.1 ± 0.6 mm (0.87 ± 0.02 inch). If this measurement is off, check orientation of the washers. If orientation is correct, replace washers and spacers with new parts. Illustration 7 g00625917 9. Install inner spacer (28), four washers (25), and outer spacer (27) to barrel (24) . 10. Install guide (26) to the barrel. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  20. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 6/15 Illustration 8 g00625911 11. Install piston assemblies (23) with retainer (22) in the piston assembly's original bore in barrel (24) . Illustration 9 g00625908 12. Install cam plate (21) on the barrel assembly. Illustration 10 g00666621 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  21. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 7/15 Illustration 11 g00628062 13. Use a suitable press to install bearing (19) onto shaft (18) . Illustration 12 g00668076 14. Use a suitable press in order to install inner race (20) onto shaft (18) . Note: Place the two support plates under the lip of shaft (18) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  22. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 8/15 Illustration 13 g00626633 15. Insert shaft (18) in the barrel assembly. Illustration 14 g00625891 Illustration 15 g00666743 16. Alternate five friction disks (17) and six separator plates (16) into the travel motor housing. Start with a separator plate and end with a separator plate. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  23. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C ... 9/15 Illustration 16 g00626837 17. Attach Tooling (D) to the shaft. Use a suitable lifting device in order to place barrel assembly into the travel motor body. Note: Align the notches of the cam plate with the keys in the travel motor body before you lower the barrel assembly into the travel motor body. Illustration 17 g00628965 18. Use Tooling (C) to measure the depth from the top surface of the travel motor body to the bronze face of the barrel assembly. The distance should be 38 ± 2 mm (1.5 ± 0.08 inch). If this measurement is off, check orientation of the barrel assembly. Also check if the cam plate is properly seated on the keys. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  24. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 10/15 Illustration 18 g00625888 Illustration 19 g00667938 (15) O-Ring seals https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  25. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 11/15 19. Install O-ring seals (15) and the backup rings on the brake piston. Note: Make sure that you install the backup ring and the O-ring seal in the original position. Refer to Illustration 19. Illustration 20 g00629015 20. Install brake piston (14) in the body of the travel motor by hand. It may be necessary to use a soft faced hammer to seat the brake piston correctly. Illustration 21 g00629060 21. Use Tooling (C) to measure the distance from the top of the brake piston (14) to the top surface of the travel motor body. The distance should be 20.8 ± 1 mm (0.82 ± 0.04 inch). If this measurement is off, drive the brake piston further into the travel motor body. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

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  27. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 12/15 Illustration 22 g00627391 22. Install springs (12) and plate (11) . 23. Install O-ring seals (13) . Illustration 23 g00629646 24. Use Tooling (E) to drive the bearing into the head. Illustration 24 g00627405 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  28. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 13/15 25. Install O-ring seal (9) onto the head. 26. Install port plate (8) on the head. It may be necessary to apply a small amount of grease to the port plate in order to hold the port plate in place during the installation of the head. Illustration 25 g00629613 27. Turn over head (6). Install Tooling (F) onto the head. Use a suitable lifting device to install the head onto the travel motor. Illustration 26 g00631594 28. Install three dowels (7) into the head. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  29. 345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176... 14/15 Illustration 27 g00628657 29. Install an O-ring on each plug (5) . 30. Install six bolts (4) which hold the head in place. Tighten the six bolts to a torque of 530 ± 70 N·m (391 ± 52 lb ft). 31. Install plugs (5) that hold the dowels in the head. Tighten the plugs to a torque of 75 ± 7 N·m (55 ± 5 lb ft). Illustration 28 g00624938 32. Install O-ring seals (2) and rings (3) on the displacement change valve. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/20

  30. https://www.aservicemanualpdf.com/ My Dear Friend! Thank you very much for visiting. Full manual if required, please enter the following URL into your browser. https://www.aservicemanualpdf.com/

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