Caterpillar Cat 345B Series II Excavator (Prefix AGS) Service Repair Manual Instant Download

Service Repair Manual Models 345B and345BL Series II Excavator

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 3/15 Illustration 1 g00625301 3. Remove bolts (1) and the washers that hold travel motor (2) to the final drive. Fasten a suitable lifting device to the travel motor, and carefully remove the travel motor from the final drive. The weight of the travel motor is approximately 125 kg (275 lb). Illustration 2 g00625305 4. Remove O-ring seal (3) and coupling (4) from the final drive. 5. Fasten a suitable lifting device to the final drive, and turn the final drive over 180 degrees. The weight of the final drive is approximately 590 kg (1300 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 4/15 Illustration 3 g00625310 6. Fasten the final drive to Tooling (A) . Put an alignment mark across the sections of the final drive for assembly purposes. All parts must be reinstalled in the original locations. 7. Remove two socket head cap screws (5) from the final drive cover. Illustration 4 g00625314 8. Attach Tooling (B) and a suitable lifting device to cover (7) , as shown. 9. Remove bolts (6) and the washers that hold the cover in place. 10. Use a soft faced hammer in order to break the seal between cover (7) and the ring gear. Remove the cover. The weight of cover (7) is approximately 45 kg (100 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

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345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 5/15 Illustration 5 g00625319 11. Remove spacer (8) from the cover. Illustration 6 g00625320 12. Remove shims (9) from the cover. 13. Remove socket head bolts (10) and ring gear (11) from the cover. Illustration 7 g00625322 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 6/15 14. Remove sun gear (12) from carrier assembly (13) . Remove carrier assembly (13) by lifting the carrier assembly straight up. 15. Disassemble carrier assembly (13) , as follows: Illustration 8 g00625397 a. Remove spacers (14) . A spacer is located on each side of the sun gear in carrier assembly (13) . Note: Planetary gears (17) might be stamped with identification marks "L". Note the position of the identification marks in relation to the carrier for assembly purposes. Illustration 9 g00625398 b. Remove retaining ring (15) with Tooling (C) . c. Remove thrust washers (16) and planetary gear (17) from the carrier. d. Remove bearing (18) from planetary gear (17) . e. Repeat Steps 15.b through 15.d for the remaining planetary gears. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 7/15 Illustration 10 g00625399 f. Use a screwdriver in order to remove retaining ring (19) from the carrier. Remove sun gear (20) from the carrier. Illustration 11 g01033059 16. Attach Tooling (D) and a suitable lifting device to carrier assembly (21) . Remove carrier assembly (21) by pulling the carrier assembly straight up. The weight of carrier assembly (21) is approximately 41 kg (90 lb). 17. Disassemble carrier assembly (21) , as follows: Note: Spacer (22) may remain with carrier assembly (21) , or the spacer may remain with carrier assembly (30) . Refer to Step 18. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 8/15 Illustration 12 g00625403 a. Remove spacer (22) from carrier assembly (21) . Illustration 13 g00625406 b. Drive spring pin (23) into planetary shaft (24) with a hammer and a punch. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 9/15 Illustration 14 g00625408 c. Remove planetary shaft (24) , thrust washers (25) and planetary gear (26) from the carrier. Note: Planetary gears (26) might be stamped with identification marks "M". Note the position of the identification marks in relation to the carrier for assembly purposes. d. Remove bearing (27) from the planetary gear. e. Remove spring pin (23) from planetary shaft (24) with a hammer and a punch. f. Repeat Steps 17.b through 17.e for the remaining planetary gears from the carrier. Illustration 15 g00625411 g. Use a screwdriver to remove retaining ring (28) . Remove sun gear (29) from the carrier. Illustration 16 g00625528 18. If spacer (22) was not removed in Step 17.a, remove the spacer from carrier assembly (30) at this time. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 10/15 Illustration 17 g01033066 19. Attach Tooling (E) and a suitable lifting device to carrier assembly (30) . Remove carrier assembly (30) . The weight of the carrier assembly (30) is approximately 59 kg (130 lb). 20. Disassemble carrier assembly (30) , as follows: Illustration 18 g00625413 a. Drive spring pin (31) into planetary shaft (32) with a hammer and a punch. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 11/15 Illustration 19 g00625415 b. Remove planetary shaft (32) , thrust washers (33) and planetary gear (34) from the carrier. Note: Planetary gears (34) might be stamped with identification marks "N". Note the position of the identification marks in relation to the carrier for assembly purposes. c. Remove bearings (35) from the planetary gear. d. Drive spring pin (31) out of planetary shaft (32) with a hammer and a punch. e. Repeat Steps 20.a through 20.d for the remaining planetary gears. Illustration 20 g01033070 21. Attach Tooling (E) and a suitable lifting device to ring gear (36) , as shown. Remove ring gear (36) from sprocket housing (37) . The weight of ring gear (36) is approximately 82 kg (180 lb). Illustration 21 g00625418 22. Remove O-ring seal (38) from sprocket housing (37) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 12/15 Illustration 22 g00625419 23. Remove bolts (39) from coupling gear (40) . Illustration 23 g00625421 Note: Mark the orientation of coupling gear (40) for assembly purposes. 24. Install suitable forcing bolts (41) in coupling gear (40) , as shown. Tighten the forcing bolts evenly in order to loosen coupling gear (40) . Remove the coupling gear from the motor housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 13/15 Illustration 24 g00625423 Illustration 25 g00625424 25. Remove shims (42) from the motor housing. Note: Inner cones and outer bearing cones (46) are a slip fit on the motor housing. While you remove sprocket housing (37) from the motor housing, inner bearing cone (46) may stay with the sprocket housing or the inner bearing cone may stay on the motor housing. 26. Attach Tooling (F) and a suitable lifting device to sprocket housing (37) , as shown. Separate sprocket housing (37) from the motor housing. The weight of sprocket housing (37) is approximately 127 kg (280 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 14/15 Illustration 26 g00625425 27. Remove the locating pins from the motor housing. 28. Remove Duo-cone seal kit (43) from the motor housing. 29. Remove rope seal (44) from the motor housing. Note: The 138-0961 rope seal (44) has been removed for the following machines: 345B (2NW123-UP) and 345B L (4SS952-UP9GS239-UP). 30. If inner bearing cone (46) remained on the motor housing, then remove the inner bearing cone. Illustration 27 g00625426 31. Remove Duo-cone seal kit (45) from the sprocket housing. 32. If inner bearing cone (46) remained on the sprocket housing, then remove the inner bearing cone. 33. Remove the bearing cups from the sprocket housing. Copyright 1993 - 2020 Caterpillar Inc. Thu Sep 10 01:29:40 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... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 1/21 Shutdown SIS Previous Screen Product: EXCAVATOR Model: 345B II EXCAVATOR AGS Configuration: 345B L Series II Excavators AGS00001-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 i05970383 Final Drive - Assemble SMCS - 4050-016 S/N - 2NW1-UP S/N - 2SW1-UP S/N - 2ZW1-UP S/N - 3MW1-UP S/N - 4SS1-UP S/N - 5WS1-UP S/N - 6MW1-UP S/N - 6XS1-UP S/N - 7KS1-UP S/N - 8KW1-UP S/N - 8RW1-UP S/N - 9CW1-UP S/N - 9GS1-UP S/N - AGS1-UP S/N - AKJ1-UP S/N - AKX1-UP https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 2/21 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 - BFG1-UP S/N - CCC1-UP S/N - DCW1-UP S/N - DET1-UP S/N - FEE1-UP Assembly Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1P-2420 Transmission Stand Group 1 B 138-7573 Link Bracket 2 C 1P-1860 Retaining Ring Pliers 1 D 138-7575 Link Bracket 3 E 138-7575 Link Bracket 2 F 138-7574 Link Bracket 2 G 8T-0531 Seal Installer 1 H 5P-3931 Anti-Seize Compound 1 J 5P-0960 Grease Cartridge 1 K 9S-3263 Thread Lock Compound 1 L 1U-8846 Gasket Sealant 1 M 1U-9895 Crossblock 1 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 3/21 1. Make sure that all parts of the final drive are thoroughly clean and free of dirt and debris prior to assembly. Check the condition of all O-ring seals that are used in the final drive. If any of the seals are damaged, use new parts for replacement. Reassemble the final drive on Tooling (A) . Illustration 1 g00630989 2. Apply Tooling (H) to the surfaces inside the sprocket housing that will make contact with the two bearing cups. Install a bearing cup that is in each side of the sprocket housing with a press. Make sure that the bearing cups are properly seated. 3. Apply Tooling (H) to the surfaces inside the motor housing that will make contact with bearing cones (46) . 4. Install inner bearing cone (46) on the motor housing. Illustration 2 g00625424 5. Attach Tooling (F) and a suitable lifting device to sprocket housing (37) , as shown. Install sprocket housing (37) on the motor housing. Carefully install outer bearing cone (46) on the sprocket housing. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 4/21 Illustration 3 g00625423 6. Adjust the bearing preload of the final drive. Determine the correct number of shims (42) that are required for the proper bearing preload, as follows: Illustration 4 g00630996 a. Use a depth micrometer in order to measure the step height of coupling gear (40) at several locations around the gear. Find the average for the measured dimensions around the gear and record the dimension. Call this dimension (X) . b. Apply a load of 10000 kg (22000 lb) to bearing cones (46) . c. Rotate sprocket housing (37) several times in order to seat the bearing cones. d. Reduce the load to 3500 350 kg (7700 770 lb). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 5/21 Illustration 5 g00631001 Illustration 6 g03742715 e. While the load is still on the bearing cones, measure the distance between the top face of the motor housing and the top face of bearing cone (46) . Take measurements in several locations around the motor housing. Find the average of the measured dimensions, and record the dimensions. Call this dimension (Y) . f. Determine the correct thickness of shims (42) which are used between bearing cone (46) and coupling gear (40) . Use the following equation in order to determine the shim pack thickness. Shim pack thickness ... (X) (Y) 0.05 mm (0.002 inch) Note: If two shims (42) are required, install the thinnest shim next to coupling gear (40) during final assembly. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 6/21 Illustration 7 g00625424 7. Attach Tooling (F) and a suitable lifting device to sprocket housing (37) , as shown. Separate the sprocket housing from the motor housing. ReferenceRefer to Disassembly and Assembly, "Duo-Cone Conventional Seals - Install". Note: The rubber seals and all surfaces that makes contact with the seals must be clean and dry. After installation of the seals, put clean SAE 30 oil on the contact surfaces of the metal seals. Illustration 8 g00631006 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 7/21 Illustration 9 g00625426 8. Install Duo-Cone seal kit (45) in the sprocket housing with Tooling (G) . Illustration 10 g00631014 Illustration 11 g00625425 9. Install Duo-Cone seal kit (43) in the motor housing with Tooling (G) . 10. Apply Tooling (H) in the bores for the six locating pins that are in the motor housing. Reinstall the six locating pins in the motor housing. 11. Apply Tooling (J) in the seal groove of the motor housing. Install rope seal (44) in the motor housing. Make sure that the seal is not twisted. Note: The 138-0961 Rope Seal (44) has been removed for the following machines: 345B (2NW123-UP) and 345B L (4SS952-UP9GS239-UP). https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 8/21 Illustration 12 g00625424 12. Make sure that inner bearing cone (46) is seated properly on the motor housing. Note: Do not scratch the Duo-Cone seal kit or damage the Duo-Cone seal kit in the main housing, or the motor housing during assembly of the two components. After installation of the main housing on the motor housing, there will be a small gap between the components. The gap between the components is caused by the Duo-Cone seal kit. This will be eliminated during the installation of coupling gear (40) . 13. Attach Tooling (F) and a suitable lifting device to sprocket housing (37) , as shown. Carefully install the sprocket housing on the motor housing. 14. Install outer bearing cone (46) on the sprocket housing. Make sure that the outer bearing cone is properly seated. Illustration 13 g00625423 15. Install shims (42) that were determined in Steps 6.a through 6.f on the end of the sprocket housing, as shown. If two shims were required, make sure that the thinnest shim is installed on top. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Eng... 9/21 Illustration 14 g00625419 16. Put coupling gear (40) in the original position on the motor housing. 17. Apply Tooling (K) on the threads of bolts (39) that hold coupling gear (40) in position. Tighten bolts (39) evenly and tighten bolts (39) in diagonally opposite pairs. Tighten bolts (39) to a torque of 900 100 N m (664 74 lb ft). Illustration 15 g00625418 18. Install O-ring seal (38) in sprocket housing (37) . https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 10/21 Illustration 16 g01033070 19. Thoroughly clean the mating surface of sprocket housing (37) that makes contact with the ring gear (36) . 20. Apply a bead of Tooling (L) on the mating surface of ring gear (36) . 21. Attach Tooling (E) and a suitable lifting device to ring gear (36) . Position ring gear (36) on the sprocket housing. Make sure that the alignment mark on the sprocket housing and ring gear (36) line up with each other. Illustration 17 g00625415 Illustration 18 g00625413 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 11/21 Illustration 19 g00513451 22. Assemble carrier assembly (30) , as follows: Note: If planetary gear (34) is stamped with an "N", make sure that the planetary gear identification grooves are facing in the correct direction, which was noted during the disassembly of the carrier assembly (30) . a. Assemble carrier assembly (30) . b. Put clean SAE 30 oil on bearings (35) . c. Install bearings (35) in planetary gear (34) . d. Install thrust washers (33) on each side of planetary gear (34) . e. Install planetary gear (34) and thrust washers (33) in carrier (30) . f. Install planetary shaft (32) in carrier (30) and through planetary gear (34) . Make sure that the spring pin hole in the planetary shaft is in alignment with the spring pin hole in the carrier. g. Install spring pin (31) in the carrier and into the planetary shaft. Install the spring pin until the spring pin is even with the outside surface of the carrier. Orient the split in the spring pin horizontally to the carrier. Align the split in the spring pin to the left or to the right. Refer to Illustration 19. h. Make a stake mark on each side of the spring pin hole in the carrier. This will prevent the spring pin from falling out of the spring pin hole. Each stake mark should be approximately 1.5 to 3.00 mm (0.59 to 0.118 inch) from the spring pin hole. i. Repeat Steps 22.a through 22.h for the remaining planetary gears. https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 12/21 Illustration 20 g01033066 23. Attach Tooling (E) and a suitable lifting device to carrier assembly (30) . Position carrier assembly (30) in ring gear (36) . It will be necessary to rotate carrier assembly (30) back and forth during installation in order to engage all the gears properly. Illustration 21 g00625528 24. Install spacer (22) on carrier assembly (30) , as shown. 25. Assemble carrier assembly (21) , as follows: https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

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345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C E... 13/21 Illustration 22 g00625411 Illustration 23 g00625408 Illustration 24 g00625406 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis... 2020/9/10

https://www.ebooklibonline.com Hello dear friend! Thank you very much for reading. Enter the link into your browser. The full manual is available for immediate download. https://www.ebooklibonline.com