Caterpillar Cat 325C and 325C L Excavator (Prefix BTD) Service Repair Manual Instant Download

Service Repair Manual Models 325C and325C L Excavator

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 1/10 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 325C L EXCAVATOR BTD Configuration: 325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 325C Excavator Machine Systems Media Number -RENR5367-11 Publication Date -01/01/2012 Date Updated -17/02/2017 i02344154 Piston Motor (Hydraulic Fan) - Disassemble SMCS - 1386-015-QP; 5058-015-FM; 5058-015-HFN Disassembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 9S-9152 Bearing Puller Gp 1 1B-2886 Bolt (1/2 in X 13 X 3 3/4 in) 1 1F-7958 Nut (1/2 in X 13 in) 1 B 8T-4223 Hard Washer 1 8T-4122 Hard Washer 1 1P-1854 Retaining Ring Pliers 1 C 1P-1857 Retaining Ring Pliers 1 Start By: A. Remove the piston motor. Refer to Disassembly and Assembly, "Piston Motor (Hydraulic Fan) - Remove". Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 2/10 Illustration 1 g00881939 1. Remove key (1) from shaft (2) . Illustration 2 g00881945 2. Remove bolts (4) that secure that secure cover (5) to housing (3) . Illustration 3 g00881953 3. Remove port plate (6) and O-ring seal (7) from cover (5) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

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325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 3/10 Illustration 4 g00881963 4. Remove bearing cup (8) from cover (5) . Illustration 5 g00882112 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. 5. Remove plug (11) , sleeve (10) , and valve assembly (9) from cover (5) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 4/10 Illustration 6 g00882123 6. Remove bearing cone (12) from shaft (2) . Note: Bearing cone (12) is a slip fit. Illustration 7 g00882156 7. Remove shim (13) from shaft (2) . Illustration 8 g00882174 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 5/10 8. Remove rotating group (14) and shaft (2) from housing (3) . Illustration 9 g00882197 Illustration 10 g00882211 9. Install rotating group (14) and Tooling (A) in a suitable press. Install a 6 mm (0.2 inch) bolt on the end of shaft (2) . Note: Shaft (2) must be pressed away from the sleeve (15) . Note: Shaft (2) must be supported in order to prevent damage. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 6/10 Illustration 11 g00882219 10. Remove sleeve (15) from rotating group (14) . Illustration 12 g00882297 11. Install shaft (2) and Tooling (A) into a suitable press. 12. Remove bearing cone (16) from shaft (2) . Illustration 13 g00882324 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 7/10 13. Remove swashplate (17) from the top of rotating group (14) . Note: Take note of the holes in the top of swashplate (17) . Illustration 14 g00882451 14. Remove pistons and plate (18) from barrel assembly (19) . Illustration 15 g00882463 15. Remove guide (20) from barrel assembly (19) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 8/10 Illustration 16 g00882470 16. Install Tooling (B) into barrel assembly (19) . 17. Tighten Tooling (B) in order to compress the spring in the barrel assembly. Illustration 17 g00882479 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. 18. Use Tooling (B) in order to remove retaining ring (21) from barrel assembly. 19. Slowly release the pressure on the spring. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 9/10 Illustration 18 g00882494 20. Remove retaining ring (21) , spring (22) , washer (23) , and pins (24) from the barrel. Illustration 19 g00882505 21. Use Tooling (C) in order to remove retaining ring (25) from housing (3) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B E... 10/10 Illustration 20 g00882512 22. Remove seal (26) and bearing cup (27) from the housing. Copyright 1993 - 2020 Caterpillar Inc. Thu Jun 25 18:23:45 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... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 1/11 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 325C L EXCAVATOR BTD Configuration: 325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 325C Excavator Machine Systems Media Number -RENR5367-11 Publication Date -01/01/2012 Date Updated -17/02/2017 i02344155 Piston Motor (Hydraulic Fan) - Assemble SMCS - 1386-016-QP; 5058-016-FM; 5058-016-HFN Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 9S-9152 Bearing Puller Gp 1 C 1P-1857 Retaining Ring Pliers 1 D 1P-0510 Driver Gp 1 E 1U-6396 O-Ring Assembly Compound 1 F 1P-1854 Retaining Ring Pliers 1 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. A reconditioning procedure should not be degraded because of a low cost component such as an O-ring or a gasket. Use Tooling (E) during the assembly procedure. Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. All disassembly and all assembly procedures must be performed on a clean work surface and in a clean hydraulic area. Keep cleaned parts covered and protected at all times. Note: Apply a light film of SAE 10W oil to all components before assembly. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 2/11 Illustration 1 g00882512 1. Use Tooling (D) in order to install bearing cup (27) . Note: Bearing cup (27) must be fully seated. Bearing cup (27) must be properly seated in order for the motor to assemble properly. Illustration 2 g00882505 2. Rotate housing (3) . Use Tooling (D) in order to install seal (26) . 3. Use Tooling (C) in order to install retaining ring (25) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 3/11 Illustration 3 g00883246 4. Install shaft (2) and bearing cone (16) in a suitable press. Press bearing cone (16) onto shaft (2) . Note: Bearing cone (16) must be fully seated. Bearing cone (16) must be properly seated in order for the motor to assemble properly. 5. Assemble the rotating group in the following manner: Illustration 4 g00882894 a. Install pins (24) in the top of barrel assembly (19) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 4/11 Illustration 5 g00882494 b. Rotate barrel assembly (19) . Install washer (23) and spring (22) . Place retaining ring (21) on top of spring (22) . Note: Do not attempt to install retaining ring (21) . Illustration 6 g00882927 c. Rotate the barrel assembly. Retain the contents of the barrel. Position guide (20) on pins (24) . d. Install shaft (2) and the bearing through the barrel assembly. Note: The shaft will align the barrel assembly. Illustration 7 g01163862 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 5/11 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. e. Install Tooling (A) and barrel assembly (19) into a suitable press. f. Compress the spring. Use Tooling (F) in order to install retaining ring (21) . g. Slowly release the pressure on barrel assembly (19) . h. Remove the shaft from barrel assembly (19) . Illustration 8 g00882451 6. Install pistons and plate (18) into barrel assembly (19) . Illustration 9 g00882324 7. Install swashplate (17) onto rotating group (14) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 6/11 Note: Barrel assembly (19) is rotating group (14) upon the installation of the pistons. Note: Place identifying marks on swashplate (17) in order to locate two holes on the top of the swashplate. Illustration 10 g00882976 8. Install shaft (2) into rotating group (14) . Note: Splines in shaft (2) must engage splines in rotating group (14) . Illustration 11 g00882984 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 7/11 Illustration 12 g00882988 9. Align swashplate (17) with housing (3) . Note: The holes on the top of swashplate (17) must engage the dowels in housing (3) . Illustration 13 g00882991 10. Install rotating group (14) into housing (3) . Illustration 14 g00882992 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 8/11 11. Raise the temperature of sleeve (15) . Install sleeve (15) onto shaft (2) . Illustration 15 g00882156 12. Install shim (13) onto shaft (2) . Illustration 16 g00882123 13. Install bearing cone (12) onto shaft (2) . Note: Bearing cone (12) is a slip fit. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 9/11 Illustration 17 g00882112 Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment. 14. Install valve assembly (9) , sleeve (10) , and plug (11) into cover (5) . Illustration 18 g00881963 15. Use Tooling (A) to install bearing cup (8) into cover (5) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B E... 10/11 Illustration 19 g00883138 Illustration 20 g00881953 16. Install port plate (6) onto cover (5) . Note: Take note of the slot in the reverse side of port plate (6) . The slot will receive the dowel in cover (5) . 17. Install O-ring seal (7) on cover (5) . Illustration 21 g00881945 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B E... 11/11 18. Install cover (5) onto housing (3) . 19. Secure cover (5) with bolts (4) . Illustration 22 g00881939 20. Install key (1) into shaft (2) . End By: Install the piston motor. Refer to Disassembly and Assembly, "Piston Motor (Hydraulic Fan) - Install ". Copyright 1993 - 2020 Caterpillar Inc. Thu Jun 25 18:24:41 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... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 1/6 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 325C L EXCAVATOR BTD Configuration: 325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engine Disassembly and Assembly 325C Excavator Machine Systems Media Number -RENR5367-11 Publication Date -01/01/2012 Date Updated -17/02/2017 i02344156 Piston Motor (Hydraulic Fan) - Install SMCS - 1386-012-QP; 5058-012-FM Installation Procedure 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... 2020/6/25

325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 2/6 Illustration 1 g00883712 1. Position piston motor (23) into the bracket. Secure the piston motor with bolts (22) . Illustration 2 g00883819 2. Install adapter (21) onto the piston motor. Illustration 3 g00883705 3. Install nut (20) , fan blade (19) , and bolts (18) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

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325C & 325C L Excavators BTD00001-UP (MACHINE) POWERED BY 3126B Engi... 3/6 Illustration 4 g00883690 4. Attach a suitable lifting device to the piston motor and fan assembly (17) . The weight of the piston motor and fan assembly (17) is approximately 29 kg (65 lb). Position the piston motor and fan assembly (17) . Install bolts (16) . Illustration 5 g00883675 5. Install hose assemblies (15) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/6/25

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