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Caterpillar Cat 725 Articulated Truck (Prefix AFX) Service Repair Manual (AFX00001 and up)

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Caterpillar Cat 725 Articulated Truck (Prefix AFX) Service Repair Manual (AFX00001 and up)

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  1. Service Repair Manual Models 725 ArticulatedTruck

  2. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 1/11 Shutdown SIS Previous Screen Product: ARTICULATED TRUCK Model: 725 ARTICULATED TRUCK AFX Configuration: 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine Disassembly and Assembly 725 and 730 Articulated Trucks Machine Systems Media Number -RENR3447-10 Publication Date -01/11/2017 Date Updated -29/11/2017 i02357231 Piston Pump (Ejector and Steering) - Assemble SMCS - 5070-012-ZH; 6203-012-NP S/N - AFX1179-UP S/N - B1L1-UP Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-1857 Retaining Ring Pliers 1 B 1P-1858 Retaining Ring Pliers 1 C 1P-0510 Driver Group 1 D 8T-5096 Dial Indicator Gp 1 E 9S-3263 Thread Lock Compound 1 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 Caterpillar parts for replacement. Note: Apply a light film of 10W oil to all components before assembly. 1. Check all of the O-ring seals and the components for wear or damage. Replace the components, if necessary. 2. Lubricate all of the O-ring seals lightly with the lubricant that is being sealed. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  3. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 2/11 Illustration 1 g00789075 3. Position the gap in retaining ring (60) over the weep hole. Use Tooling (A) to install retaining ring (60) into pump housing (33). 4. Install bearing cup (58) into pump housing (33). 5. Install lip seal (59) into pump housing (33). Install lip seal (59). 6. Invert pump housing (33). Illustration 2 g00603861 7. Install lip seal (55) into pump housing (33). Install lip seal (55). 8. Install O-ring seal (56) onto pump housing (33). 9. Invert pump housing (33) and support the pump housing on suitable cribbing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  4. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 3/11 Illustration 3 g00551343 10. Install bearing cone (54) onto pump shaft (53). Install bearing cone (54) and pump shaft (53) into pump housing (33). 11. Use the following steps to determine the preload on the bearing of the pump assembly. Illustration 4 g00789125 a. Install adjustment spacer (48) and bearing cone (42) on pump shaft (53). Illustration 5 g00789089 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  5. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 4/11 b. Install spacer (40) and bearing cup (39) into break off plug (34). Install pin (41) into brake off plug (34). c. Apply Tooling (E) to the threads on piston guide (36) and plunger guide (38). Install the piston guide and the plunger guide into break off plug (34) and tighten to a torque of 130 N·m (96 lb ft). Illustration 6 g00789138 d. Position break off plug (34) onto pump housing (33). Install socket head bolts (35) but do not tighten at this point. e. Use a feeler gauge to measure the distance between the break off plug and the pump housing. Take measurements at three equal locations on the surface between the break off plug and the pump housing. f. The average of the three dimensions should be zero to 0.050 mm (0.0020 inch). g. Adjustment spacer (48) must be replaced or ground to this dimension. h. When the correct dimension is achieved tighten bolts (35) to 165 ± 30 N·m (122 ± 22 lb ft). i. Invert the pump. Illustration 7 g00789180 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  6. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 5/11 j. Use Tooling (D), a suitable screwdriver and a set of slip joint pliers to check the end play on pump shaft (53). If end play exists on the shaft assembly, repeat step 11 until the correct dimension is reached. k. Remove socket head bolts (35) and break off plug (34) from the pump housing (33). Remove bearing (42) and adjustment spacer (48) from shaft (53). l. Proceed with the assembly of the piston pump. Illustration 8 g00789206 12. Install bearings (57) into pump housing (33). Illustration 9 g00551364 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  7. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 6/11 Illustration 10 g00551373 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. 13. Install spring seat (65) and spring (64) into barrel assembly (47). 14. Position barrel (47) onto a suitable press, as shown. Use Tooling (C) and the press to compress spring (64). Use Tooling (B) to install retaining ring (63). Illustration 11 g00551360 15. Install pin (62) into barrel assembly (47). Illustration 12 g00551357 16. Install plug (61) and the O-ring seal. Tighten plug (61) to a torque of 105 ± 10 N·m (77 ± 7 lb ft). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  8. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 7/11 Illustration 13 g00551339 17. Install swashplate assembly (51) into pump housing (33). Illustration 14 g00551336 18. Install piston assemblies (50), retraction plate (49) and bearing (52) onto swashplate assembly (51). Illustration 15 g00551331 19. Install barrel assembly (47) and spacer (48) into pump housing (33). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  9. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 8/11 Illustration 16 g00551327 20. Install bearing cone (42) onto the pump shaft. 21. Install valve plate (45) onto the barrel assembly. 22. Position spring (44) and control piston (43) onto the swashplate assembly. 23. Install O-ring seal (46) onto pump housing (33). Illustration 17 g00789469 24. Install O-ring seals (37) onto break off plug (34). Illustration 18 g00551321 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  10. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 9/11 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. 25. Position break off plug (34) on pump housing (33), as shown. Install socket head bolts (35). Tighten socket head bolts (35) to a torque of 165 ± 30 N·m (122 ± 22 lb ft). Illustration 19 g00551260 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. 26. Install valve stem (28), spring retainer (29), spring (30), spring (31), and seat (32) into pressure and flow compensator valve (2). 27. Install O-ring seal (19) onto plug (20). 28. Install adjustment screw (23), seal (21), adjustment nut (22), seal (24), and cap nut (25) into plug (20). 29. Install plug (20) into pressure and flow compensator valve (2). 30. Install seal (27) and plug (26) into pressure and flow compensator valve (2). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  11. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(... 10/11 Illustration 20 g00551252 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. 31. Install valve stem (5), spring retainer (6), spring (7), spring (8), and seat (15) into pressure and flow compensator valve (2). 32. Install O-ring seal (16) onto plug (17). 33. Install adjustment screw (18), seal (9), adjustment nut (10), seal (11), and cap nut (12) onto plug (17). 34. Install plug (17) into pressure and flow compensator valve (2). 35. Install seal (14) and plug (13) into pressure and flow compensator valve (2). Illustration 21 g00551251 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  12. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(... 11/11 36. Install O-ring seals (4) onto pressure and flow compensator valve (2). Illustration 22 g00551023 37. Position pressure and flow compensator valve (2) on steering piston pump (1), as shown. Install socket head bolts (3). End By: a. Install the piston pump. Refer to Disassembly and Assembly, "Piston Pump (Ejector and Steering) - Install". Copyright 1993 - 2020 Caterpillar Inc. Tue Feb 4 12:54:07 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  13. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 1/3 Shutdown SIS Previous Screen Product: ARTICULATED TRUCK Model: 725 ARTICULATED TRUCK AFX Configuration: 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine Disassembly and Assembly 725 and 730 Articulated Trucks Machine Systems Media Number -RENR3447-10 Publication Date -01/11/2017 Date Updated -29/11/2017 i02334358 Piston Pump (Ejector and Steering) - Install SMCS - 5070-011-ZH; 6203-011-NP S/N - AFX1179-UP S/N - B1L1-UP 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, "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=/sisw... 2020/2/4

  14. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 2/3 Illustration 1 g01165154 1. Install O-ring seal (8) to piston pump (7). Illustration 2 g01165136 2. Use two people in order to position piston pump (7). The weight of piston pump (7) is approximately 34 kg (76 lb). Install bolts (6). Illustration 3 g01165022 3. Connect tube assembly (5). Connect hose assemblies (4). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  15. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 3/3 Illustration 4 g01165019 4. Install bolt (3). Position plate (1) and install four bolts (2). 5. Tilt the cab. Refer to Operation and Maintenance Manual, "Cab - Tilt". Copyright 1993 - 2020 Caterpillar Inc. Tue Feb 4 12:55:02 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  16. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 1/3 Shutdown SIS Previous Screen Product: ARTICULATED TRUCK Model: 725 ARTICULATED TRUCK AFX Configuration: 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine Disassembly and Assembly 725 and 730 Articulated Trucks Machine Systems Media Number -RENR3447-10 Publication Date -01/11/2017 Date Updated -29/11/2017 i02020373 Pump Control Valve (Steering) - Remove and Install SMCS - 5455-010-ZH S/N - AFX1-1178 S/N - B1L1-UP Removal Procedure Start By: a. Tilt the cab. Refer to Operation and Maintenance Manual, "Cab - Tilt". At operating temperature, the hydraulic tank is hot and under pressure. Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin. Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure. 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 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  17. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 2/3 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. 1. Put identification marks on all lines, hoses, wires, and tubes for installation purposes. Plug all lines, hoses and tubes. This helps prevent fluid loss and contamination of the oil system. Illustration 1 g00770050 2. Loosen retaining nut (1) and disconnect tee (2) from pump control valve (4). 3. Remove four bolts (3) that secure pump control valve (4) to the piston pump. Remove the pump control valve from the piston pump. Illustration 2 g00770052 4. Remove three O-ring seals (5) from pump control valve (4). Installation Procedure https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  18. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 3/3 1. Inspect all parts and clean all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement. Illustration 3 g00770052 2. Install three O-ring seals (5) into pump control valve (4). Illustration 4 g00770050 3. Position pump control valve (4) to the piston pump and install four bolts (3). 4. Connect tee (2) to the valve and tighten retaining nut (1). End By: a. Lower the cab. Refer to Operation and Maintenance Manual, "Cab - Tilt". b. Check the hydraulic tank oil level. Refer to Operation and Maintenance Manual, "Hoist, Steering and Brake System Oil Level - Check". Copyright 1993 - 2020 Caterpillar Inc. Tue Feb 4 12:55:58 UTC+0800 2020 All Rights Reserved. Private Network For SIS Licensees. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  19. Thank you very much for your reading. Please Click Here. Then Get COMPLETE MANUAL. NO WAITING NOTE: If there is no response to click on the link above, please download the PDF document first and then click on it.

  20. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 1/3 Shutdown SIS Previous Screen Product: ARTICULATED TRUCK Model: 725 ARTICULATED TRUCK AFX Configuration: 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine Disassembly and Assembly 725 and 730 Articulated Trucks Machine Systems Media Number -RENR3447-10 Publication Date -01/11/2017 Date Updated -29/11/2017 i01478021 Gear Pump (Hoist) - Remove SMCS - 5073-011; 5083-011 S/N - AFX1-1178 Removal Procedure Start By: a. Remove the cab. Refer to Disassembly and Assembly, "Cab - Remove". Personal injury or death can result from improper lifting or blocking. When a hoist or jack is used to lift any part or component, stand clear of the area. Be sure the hoist or jack has the correct capacity to lift a component. Install blocks or stands before performance of any work under a heavy component. Approximate weights of the components are shown. Clean all surfaces where parts are to be installed. 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. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  21. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 2/3 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. 1. Put identification marks on all lines, hoses, wires, and tubes for installation purposes. Plug all lines, hoses and tubes. This helps prevent fluid loss and contamination of the oil system. Illustration 1 g00769724 2. Remove reusable strap (1). 3. Remove four bolts (2), four washers (3) and two half clamps (4) in order to disconnect hose (5). 4. Remove four bolts (6), four washers (7) and two half clamps (8) in order to disconnect hose (9). Illustration 2 g00769725 5. Attach a suitable nylon lifting sling to the gear pump and to a suitable hoist. Remove two bolts (10) and washers (11) in order to remove the gear pump from the machine. The weight of the gear pump is 27.5 kg (60.6 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

  22. 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine(S... 1/2 Shutdown SIS Previous Screen Product: ARTICULATED TRUCK Model: 725 ARTICULATED TRUCK AFX Configuration: 725 Articulated Truck AFX00001-UP (MACHINE) POWERED BY 3176C Engine Disassembly and Assembly 725 and 730 Articulated Trucks Machine Systems Media Number -RENR3447-10 Publication Date -01/11/2017 Date Updated -29/11/2017 i01478027 Gear Pump (Hoist) - Install SMCS - 5073-012; 5083-012 S/N - AFX1-1178 Installation Procedure 1. Inspect all parts and clean all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement. Illustration 1 g00769725 2. Replace the O-ring seal on the gear pump. 3. Attach a suitable nylon lifting sling to the gear pump and to a suitable hoist. Lift the gear pump into position on the machine. The weight of the pump is 27.5 kg (60.6 lb). 4. Align the splines on the shaft of the gear pump with the splines in the gear at the pump drive housing. Install the gear pump, two bolts (10) and two washers (11) in order to secure the gear pump to the machine. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisw... 2020/2/4

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