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Caterpillar Cat 420F2 BACKHOE LOADER (Prefix NSB) Service Repair Manual (NSB00001 and up).pdf

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Service Repair Manual
Models
420F2 Backhoe Loader
Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420F2 BACKHOE LOADER NSB
Configuration: 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly
416F2, 420F2 IT, 420F2 ST, 422F2, 428F2, 430F2 IT, 430F2 ST, 432F2, 434F2 and
444F2 Backhoe Loaders Engine Supplement
Media Number -UENR6152-01 Publication Date -01/06/2015 Date Updated -06/06/2018
i06199411
Engine - Remove
SMCS - 1000-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7505 Hydraulic Jack 1
B 6V-3145 Load Leveling Beam 1
Start By:
a. Remove hood.
b. Remove side panels.
c. Remove air cleaner.
d. Remove muffler.
1. Drain the coolant. Refer to Operations and Maintenance Manual, "Cooling System Coolant
(ELC) - Change" for the correct draining procedure.
2. Drain the engine oil. Refer to Operations and Maintenance Manual , "Engine Oil and Filter -
Change" for the correct draining procedures.
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Illustration 1 g03797183
3. Turn battery disconnect switch (1) to the OFF position.
Illustration 2 g03797188
4. Remove plate (2) and floor mat (3).
Illustration 3 g03797205
5. Remove bolts (4). Lift plate assembly (5) and secure in rear notches. Do not remove bolts
(6).
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Illustration 4 g03797235
6. Reposition fuel filter assembly (7) out of the way.
Illustration 5 g03849199
Illustration 6 g03849201
7. Remove coolant tank assembly (8). Remove tube (9). Remove hoses (10) and (11). Remove
tube (12).
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Illustration 7 g03849203
8. Remove hose (13). Remove fan guard (14). Remove fan shroud (15).
Illustration 8 g03849206
9. Remove nuts (16). Remove fan and hub assembly (17).
Illustration 9 g03849219
10. Remove bolts (18) and reposition air condition compressor (19) to the side.
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Illustration 10 g03849221
11. Disconnect harness assemblies (20) from the alternator.
Illustration 11 g03849240
Illustration 12 g03849251
12. Disconnect harness assemblies (21) from the electric starting motor. Disconnect clips (22)
from bracket (23). Disconnect ground strap (24).
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Caterpillar Cat 420F2 BACKHOE LOADER (Prefix NSB) Service Repair Manual (NSB00001 and up).pdf

  • 2. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420F2 BACKHOE LOADER NSB Configuration: 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 3054C Engine Disassembly and Assembly 416F2, 420F2 IT, 420F2 ST, 422F2, 428F2, 430F2 IT, 430F2 ST, 432F2, 434F2 and 444F2 Backhoe Loaders Engine Supplement Media Number -UENR6152-01 Publication Date -01/06/2015 Date Updated -06/06/2018 i06199411 Engine - Remove SMCS - 1000-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-7505 Hydraulic Jack 1 B 6V-3145 Load Leveling Beam 1 Start By: a. Remove hood. b. Remove side panels. c. Remove air cleaner. d. Remove muffler. 1. Drain the coolant. Refer to Operations and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining procedure. 2. Drain the engine oil. Refer to Operations and Maintenance Manual , "Engine Oil and Filter - Change" for the correct draining procedures. 1/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 3. Illustration 1 g03797183 3. Turn battery disconnect switch (1) to the OFF position. Illustration 2 g03797188 4. Remove plate (2) and floor mat (3). Illustration 3 g03797205 5. Remove bolts (4). Lift plate assembly (5) and secure in rear notches. Do not remove bolts (6). 2/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 4. Illustration 4 g03797235 6. Reposition fuel filter assembly (7) out of the way. Illustration 5 g03849199 Illustration 6 g03849201 7. Remove coolant tank assembly (8). Remove tube (9). Remove hoses (10) and (11). Remove tube (12). 3/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 5. Illustration 7 g03849203 8. Remove hose (13). Remove fan guard (14). Remove fan shroud (15). Illustration 8 g03849206 9. Remove nuts (16). Remove fan and hub assembly (17). Illustration 9 g03849219 10. Remove bolts (18) and reposition air condition compressor (19) to the side. 4/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 6. Illustration 10 g03849221 11. Disconnect harness assemblies (20) from the alternator. Illustration 11 g03849240 Illustration 12 g03849251 12. Disconnect harness assemblies (21) from the electric starting motor. Disconnect clips (22) from bracket (23). Disconnect ground strap (24). 5/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 7. Illustration 13 g03849253 13. Remove cover (25). Illustration 14 g03849257 14. Remove bolts (26) from flywheel (27). Note: Rotate the engine manually in order to access all bolts (26). 6/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 8. Illustration 15 g03849484 15. Remove bolts (29) from bell housing (28). Illustration 16 g02997457 16. Install Tooling (A) under transmission. Illustration 17 g03849495 17. Install Tooling (B) and a suitable lifting device. The weight of engine (30) is approximately 544 kg (1200 lb) 7/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 9. Illustration 18 g03849498 18. Remove engine mounting bolts (31). Repeat on opposite side. 19. Remove engine (30). Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Thu Nov 28 23:53:22 UTC+0800 2019 8/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 10. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420F2 BACKHOE LOADER NSB Configuration: 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 3054C Engine Disassembly and Assembly 416F2, 420F2 IT, 420F2 ST, 422F2, 428F2, 430F2 IT, 430F2 ST, 432F2, 434F2 and 444F2 Backhoe Loaders Engine Supplement Media Number -UENR6152-01 Publication Date -01/06/2015 Date Updated -06/06/2018 i06199414 Engine - Install SMCS - 1000-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 1U-7505 Hydraulic Jack 1 B 6V-3145 Load Leveling Beam 1 Illustration 1 g03849495 1. Attach Tooling (B) and a suitable lifting device to engine (30). The weight of engine (30) is approximately 544kg (1200 lb). Use Tooling (B) and the suitable lifting device to position engine (30) into the machine. 1/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 11. Illustration 2 g03849484 Illustration 3 g03849257 2. Align bell housing (28) to the engine and install bolts (29). 3. Rotate the engine and install bolts (26) in order to connect flywheel (27) to the torque converter. 2/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 12. Illustration 4 g03849498 4. Install engine mounting bolts (31). Repeat on opposite side. Illustration 5 g03849253 5. Install access panel (25). Illustration 6 g02999824 6. Remove Tooling (A) from the transmission. Illustration 7 g03849251 3/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 13. Illustration 8 g03849240 7. Connect ground strap (24). Connect harness assemblies (21) to the electric starting motor. Connect clip (22) to bracket (23). Illustration 9 g03849221 8. Connect harness assemblies (20) to the alternator. Illustration 10 g03849219 9. Position air conditioner compressor (19) on the engine and install bolts (18). 4/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 14. Illustration 11 g03849206 10. Install fan and hub assembly (17). Install nuts (16). Illustration 12 g03849203 11. Install fan shroud (15). Install fan guard (14). Install hose (13). Illustration 13 g03849201 5/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 15. Illustration 14 g03849199 12. Install tube (12). Install hoses (10) and (11). 13. Install tube (9). Install coolant tank (8). Illustration 15 g03797235 14. Install fuel filter assembly (7). Illustration 16 g03797205 15. Install plate assembly (5). Install bolts (4). Note: Do not remove bolts (6). 6/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 16. 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.
  • 17. Illustration 17 g03797188 16. Position floor mat (3). Position plate (2) and install the bolts . Repeat on the opposite side of the cab. Illustration 18 g03797183 17. Turn battery disconnect switch (1) to the ON position. 18. Fill the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct filling procedure. 19. Fill the engine oil . Refer to Operation and Maintenance Manual, "Engine Oil and Filter - Change" for the correct filling procedure. End By: a. Install air cleaner. b. Install muffler. c. Install hood assembly. d. Install side panels. Thu Nov 28 23:54:18 UTC+0800 2019 7/8 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 18. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420F2 BACKHOE LOADER NSB Configuration: 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 3054C Engine Disassembly and Assembly 3054C Engines for Caterpillar Built Machines Media Number -SENR5069-18 Publication Date -01/05/2015 Date Updated -19/09/2018 i02289796 Fuel Priming Pump and Fuel Filter Base - Remove and Install SMCS - 1258-010; 1260-010; 1261-010-SE; 1262-010 Removal Procedure Table 1 Required Tools(1) Tool Part Number Part Description Qty ZZ 9U-7069 Cap 3 9U-7067 Cap 3 (1) SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN. Start By: a. Remove the assembly of the filter case and the fuel filter element. Refer to this Disassembly and Assembly Manual, "Fuel Filter Base - Remove and Install". Note: Put identification marks on all fuel hose assemblies and on all tube assemblies for installation purposes. After being disconnected, plug all fuel hose assemblies and plug all tube assemblies. This helps prevent fluid loss, and this helps to keep contaminants from entering the system. NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1/3 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 19. 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. Illustration 1 g00952432 Typical example 1. Disconnect the tube assembly (5). Disconnect the tube assembly (6). Install dust covers onto the connectors for the fuel priming pump. 2. Disconnect the fuel return line from the connector (3). Install a dust cover to the connector (3). 3. Disconnect the harness assembly from the connector (2). 4. Support the fuel priming pump. Remove the three setscrews (1) and discard the rubber washers. Remove the fuel priming pump (4). 2/3 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 30... 2019/11/28 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...