SlideShare a Scribd company logo
1 of 19
Download to read offline
Service Repair Manual
Models
426C Backhoe Loader
Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 426C BACKHOE LOADER 1NR
Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
3054 Engine for Caterpillar Built Machines
Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008
i04406238
Flywheel - Remove
SMCS - 1156-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1/3
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00546794
Typical Example. Different lifting device shown than what is called out in the Table.
Illustration 2 g00546793
1. Install Tool (A) and a suitable lifting device on flywheel (1) .
2. Remove bolts (3) and bearing housing (4) .
3. Remove six bolts (2) and the washers from the flywheel.
Note: The 3054 and 3056 marine engines used several bolt patterns to attach the flywheel to
the crankshaft. There are drilled holes that are not used in the crankshaft and in the
flywheel.
4. Use the suitable lifting device in order to remove flywheel (1) . The weight of flywheel (1)
and the flywheel ring gear is 53 kg (120 lb).
5. If removal of the flywheel ring gear is necessary, place an index mark on the chamfer of the
flywheel ring gear for the installation process.
Illustration 3 g00546795
2/3
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
6. Use a hammer and a punch in order to remove flywheel ring gear (5) from flywheel (1) .
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Dec 16 15:14:10 UTC+0800 2019
3/3
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 426C BACKHOE LOADER 1NR
Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
3054 Engine for Caterpillar Built Machines
Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008
i04406239
Flywheel - Install
SMCS - 1156-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
Always wear protective gloves when handling parts that have been
heated.
1/2
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00803517
Typical Example. Different Lifting device shown than what is called out in the table.
1. If flywheel ring gear (5) was removed, heat flywheel ring gear (5) to a temperature of 250 °
C (480 °F).
Note: Do not use a torch to heat the flywheel ring gear.
2. Install flywheel ring gear (5) on flywheel (1) .
Note: Ensure that the chamfer of the flywheel ring gear is in the correct position on the
flywheel.
3. Install Tool (A) and a suitable lifting device on flywheel (1) and position flywheel (1) in the
flywheel housing. The weight of flywheel (1) and flywheel ring gear (5) is 53 kg (120 lb).
Illustration 2 g00546793
4. Install six bolts (2) and the washers that hold flywheel (1) in position. Tighten the bolts to a
torque of 105 N·m (77 lb ft).
5. Put bearing housing (4) in position on the flywheel. Install four bolts (3) that fasten bearing
housing (4) to the flywheel.
6. Refer to the Specifications Module, "Flywheel" topic for information on inspecting the
flywheel.
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Dec 16 15:15:06 UTC+0800 2019
2/2
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 426C BACKHOE LOADER 1NR
Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
3054 Engine for Caterpillar Built Machines
Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008
i01741403
Crankshaft Rear Seal - Remove
SMCS - 1161-011
Removal Procedure
Start By:
a. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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 Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1/3
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Engines with 14 Bolt Housing Assembly
Illustration 1 g00632744
The flywheel housing has been removed for photographic purposes only.
1. Remove bolts (1) from housing (3).
2. Remove socket head bolts (2) from housing (3).
3. Remove the crankshaft rear seal, the gasket, and housing (3) from the dowels in the cylinder
block.
Engines with 10 Bolt Housing Assembly
Note: The 10 bolt housing assembly is manufactured as a one-piece assembly. The 10 bolt
housing assembly is NOT adaptable to engines that have the 14 bolt housing assembly.
Illustration 2 g00830867
2/3
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
1. Remove the bolts in reverse order of the numbered sequence. Refer to Illustration 2.
2. Remove the one-piece housing assembly from the cylinder block.
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Dec 16 15:16:02 UTC+0800 2019
3/3
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 426C BACKHOE LOADER 1NR
Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
3054 Engine for Caterpillar Built Machines
Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008
i01605362
Crankshaft Rear Seal - Install
SMCS - 1161-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
9U-6205 Rear Seal Installer 1
1P-0510 Driver Group 1
B FT-2806 Alignment Tool 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Engines with 14 Bolt Housing Assembly
1. Inspect the condition of the gasket. Replace the gasket, if necessary.
2. Clean the areas of the parts that will contact each other.
1/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 1 g00541839
3. Use Tool (A) and a suitable press to install the crankshaft rear seal into the housing. Make
sure that you install the seal to the correct depth in the housing. Refer to Specifications,
"Crankshaft Seals" for additional information.
4. Lubricate the crankshaft flange and the lip of the crankshaft rear seal with clean engine oil.
5. Install Tool (A) onto the crankshaft flange.
6. Put the new gasket for the housing in position on the dowels in the cylinder block.
Illustration 2 g00606404
7. Carefully place housing (3) and crankshaft rear seal (4) over Tool (A) .
8. Position housing (3) on the dowels in the cylinder block.
9. Remove Tool (A) .
2/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 3 g00606340
The flywheel housing has been removed for photographic purposes only.
10. Install bolts (1) and socket head bolts (2) that fasten housing (3) to the cylinder block.
11. Tighten all of the bolts to a torque of 22 N·m (16 lb ft).
Engines with 10 Bolt Housing Assembly
Note: The 10 bolt housing assembly is manufactured as a one-piece assembly. The 10 bolt
housing assembly is NOT adaptable to engines that have the 14 bolt housing assembly.
1. Ensure that all parts and surfaces of the engine block are clean and free from oil, grease, and
dirt.
Illustration 4 g00831176
3/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Note: The crankshaft rear seal is lubricated. There is no need to lubricate the seal or the
crankshaft flange before installation.
2. Place housing assembly (3) on crankshaft flange (1) until the housing assembly contacts the
cylinder block face. Plastic sleeve (2) will push out of the housing assembly. Discard the
plastic sleeve after the housing assembly is installed.
3. Place Tool (B) over housing assembly (3). This will center the housing assembly onto the
crankshaft flange.
Illustration 5 g00830867
4. Install the bolts with Tool (B) in position in order to fasten housing assembly (3) to the
cylinder block. Tighten bolts 1 and 2 to a torque of 22 N·m (16 lb ft).
5. Remove Tool (B). Tighten the remaining bolts in sequence to a torque of 22 N·m (16 lb ft).
End By: Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Dec 16 15:16:58 UTC+0800 2019
4/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 426C BACKHOE LOADER 1NR
Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
3054 Engine for Caterpillar Built Machines
Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008
i01741450
Flywheel Housing - Remove and Install
SMCS - 1157-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
Start By:
a. Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting
Motor - Remove and Install".
b. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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
1/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
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.
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1. Support the engine with blocks or with a suitable lifting device on a flat level surface.
Illustration 1 g00541891
Typical example
2. Remove mounting bolts (1) from the top of flywheel housing (2).
Illustration 2 g00541892
Typical example
3. Attach Tooling (A) and a suitable lifting device to flywheel housing (2).
4. Remove mounting bolts (3) that attach the flywheel housing to the cylinder block.
2/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
5. Remove flywheel housing (2). If necessary, hit flywheel housing (2) with a soft faced
hammer in order to separate flywheel housing (2) from the cylinder block. The weight of
flywheel housing (2) is approximately 32 kg (70 lb).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Clean the rear face of the cylinder block and the mating surface of the flywheel housing.
Inspect the felt seal on the rear flange of the engine oil pan. Replace the felt seal, if
necessary. Inspect the dowels in the cylinder block that align the flywheel housing. Replace
the dowels, if necessary.
Illustration 3 g00541892
2. Use Tooling (A) and a suitable lifting device to position flywheel housing (2) on the dowels
that are on the cylinder block. The weight of flywheel housing (2) is approximately 32 kg
(70 lb).
3. Install mounting bolts (3).
3/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Illustration 4 g00541891
Typical example
4. Install mounting bolts (1) that attach flywheel housing (2) to the cylinder block.
Tighten the bolts for an aluminum flywheel housing to a torque of 70 N·m (52 lb ft).
Tighten the cast iron flywheel housing bolts to the following torque:
M10 "8.8" ... 44 N·m (33 lb ft)
M10 "10.9" ... 63 N·m (46 lb ft)
M12 "8.8" ... 75 N·m (55 lb ft)
M12 "10.9" ... 115 N·m (85 lb ft)
5. Remove Tooling (A) from the flywheel housing.
End By:
a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install".
b. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting
Motor - Remove and Install".
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Dec 16 15:17:53 UTC+0800 2019
4/4
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 426C BACKHOE LOADER 1NR
Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
3054 Engine for Caterpillar Built Machines
Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008
i01461242
Crankshaft Pulley - Remove and Install
SMCS - 1205-010
Removal Procedure
Start By:
A. Remove the V-Belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install".
Illustration 1 g00553762
Typical example
1. Remove three bolts (2) that hold thrust block (3) in position.
2. Remove thrust block (3) from the end of the crankshaft. The thrust block holds the
crankshaft pulley in position on the end of the crankshaft.
3. Remove crankshaft pulley (1) from the engine.
1/2
426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE...
2019/12/16
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

More Related Content

More from rong74gou

More from rong74gou (20)

Caterpillar Cat 442D Backhoe Loader (Prefix BRG) Service Repair Manual (BRG00...
Caterpillar Cat 442D Backhoe Loader (Prefix BRG) Service Repair Manual (BRG00...Caterpillar Cat 442D Backhoe Loader (Prefix BRG) Service Repair Manual (BRG00...
Caterpillar Cat 442D Backhoe Loader (Prefix BRG) Service Repair Manual (BRG00...
 
Caterpillar Cat 436B BACKHOE LOADER (Prefix 6MJ) Service Repair Manual (6MJ00...
Caterpillar Cat 436B BACKHOE LOADER (Prefix 6MJ) Service Repair Manual (6MJ00...Caterpillar Cat 436B BACKHOE LOADER (Prefix 6MJ) Service Repair Manual (6MJ00...
Caterpillar Cat 436B BACKHOE LOADER (Prefix 6MJ) Service Repair Manual (6MJ00...
 
Caterpillar Cat 430F2 Backhoe Loader (Prefix LYD) Service Repair Manual (LYD0...
Caterpillar Cat 430F2 Backhoe Loader (Prefix LYD) Service Repair Manual (LYD0...Caterpillar Cat 430F2 Backhoe Loader (Prefix LYD) Service Repair Manual (LYD0...
Caterpillar Cat 430F2 Backhoe Loader (Prefix LYD) Service Repair Manual (LYD0...
 
Caterpillar Cat 430F2 Backhoe Loader (Prefix HWG) Service Repair Manual (HWG0...
Caterpillar Cat 430F2 Backhoe Loader (Prefix HWG) Service Repair Manual (HWG0...Caterpillar Cat 430F2 Backhoe Loader (Prefix HWG) Service Repair Manual (HWG0...
Caterpillar Cat 430F2 Backhoe Loader (Prefix HWG) Service Repair Manual (HWG0...
 
Caterpillar Cat 430F Backhoe Loader (Prefix RGS) Service Repair Manual (RGS00...
Caterpillar Cat 430F Backhoe Loader (Prefix RGS) Service Repair Manual (RGS00...Caterpillar Cat 430F Backhoe Loader (Prefix RGS) Service Repair Manual (RGS00...
Caterpillar Cat 430F Backhoe Loader (Prefix RGS) Service Repair Manual (RGS00...
 
Caterpillar Cat 430F Backhoe Loader (Prefix RDF) Service Repair Manual (RDF00...
Caterpillar Cat 430F Backhoe Loader (Prefix RDF) Service Repair Manual (RDF00...Caterpillar Cat 430F Backhoe Loader (Prefix RDF) Service Repair Manual (RDF00...
Caterpillar Cat 430F Backhoe Loader (Prefix RDF) Service Repair Manual (RDF00...
 
Caterpillar Cat 430F Backhoe Loader (Prefix LNH) Service Repair Manual (LNH00...
Caterpillar Cat 430F Backhoe Loader (Prefix LNH) Service Repair Manual (LNH00...Caterpillar Cat 430F Backhoe Loader (Prefix LNH) Service Repair Manual (LNH00...
Caterpillar Cat 430F Backhoe Loader (Prefix LNH) Service Repair Manual (LNH00...
 
Caterpillar Cat 426C Backhoe Loader (Prefix 1ER) Service Repair Manual (1ER00...
Caterpillar Cat 426C Backhoe Loader (Prefix 1ER) Service Repair Manual (1ER00...Caterpillar Cat 426C Backhoe Loader (Prefix 1ER) Service Repair Manual (1ER00...
Caterpillar Cat 426C Backhoe Loader (Prefix 1ER) Service Repair Manual (1ER00...
 
Caterpillar Cat 420F2 BACKHOE LOADER (Prefix NSB) Service Repair Manual (NSB0...
Caterpillar Cat 420F2 BACKHOE LOADER (Prefix NSB) Service Repair Manual (NSB0...Caterpillar Cat 420F2 BACKHOE LOADER (Prefix NSB) Service Repair Manual (NSB0...
Caterpillar Cat 420F2 BACKHOE LOADER (Prefix NSB) Service Repair Manual (NSB0...
 
Caterpillar Cat 420F2 Backhoe Loader (Prefix LYC) Service Repair Manual (LYC0...
Caterpillar Cat 420F2 Backhoe Loader (Prefix LYC) Service Repair Manual (LYC0...Caterpillar Cat 420F2 Backhoe Loader (Prefix LYC) Service Repair Manual (LYC0...
Caterpillar Cat 420F2 Backhoe Loader (Prefix LYC) Service Repair Manual (LYC0...
 
Caterpillar Cat 420F2 Backhoe Loader (Prefix LBS) Service Repair Manual (LBS0...
Caterpillar Cat 420F2 Backhoe Loader (Prefix LBS) Service Repair Manual (LBS0...Caterpillar Cat 420F2 Backhoe Loader (Prefix LBS) Service Repair Manual (LBS0...
Caterpillar Cat 420F2 Backhoe Loader (Prefix LBS) Service Repair Manual (LBS0...
 
Caterpillar Cat 320D2 L Excavator (Prefix YBK) Service Repair Manual (YBK0000...
Caterpillar Cat 320D2 L Excavator (Prefix YBK) Service Repair Manual (YBK0000...Caterpillar Cat 320D2 L Excavator (Prefix YBK) Service Repair Manual (YBK0000...
Caterpillar Cat 320D2 L Excavator (Prefix YBK) Service Repair Manual (YBK0000...
 
Caterpillar Cat 320D2 Excavator (Prefix YBK) Service Repair Manual (YBK00001 ...
Caterpillar Cat 320D2 Excavator (Prefix YBK) Service Repair Manual (YBK00001 ...Caterpillar Cat 320D2 Excavator (Prefix YBK) Service Repair Manual (YBK00001 ...
Caterpillar Cat 320D2 Excavator (Prefix YBK) Service Repair Manual (YBK00001 ...
 
Caterpillar Cat 305.5E Mini Hydraulic Excavator (Prefix MX5) Service Repair M...
Caterpillar Cat 305.5E Mini Hydraulic Excavator (Prefix MX5) Service Repair M...Caterpillar Cat 305.5E Mini Hydraulic Excavator (Prefix MX5) Service Repair M...
Caterpillar Cat 305.5E Mini Hydraulic Excavator (Prefix MX5) Service Repair M...
 
Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix FR3) Service Repair M...
Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix FR3) Service Repair M...Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix FR3) Service Repair M...
Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix FR3) Service Repair M...
 
Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix CK3) Service Repair M...
Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix CK3) Service Repair M...Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix CK3) Service Repair M...
Caterpillar Cat 303ECR Mini Hydraulic Excavator (Prefix CK3) Service Repair M...
 
Caterpillar Cat 303E CR Mini Hydraulic Excavator (Prefix SMG) Service Repair ...
Caterpillar Cat 303E CR Mini Hydraulic Excavator (Prefix SMG) Service Repair ...Caterpillar Cat 303E CR Mini Hydraulic Excavator (Prefix SMG) Service Repair ...
Caterpillar Cat 303E CR Mini Hydraulic Excavator (Prefix SMG) Service Repair ...
 
Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix CR9) Service Repa...
Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix CR9) Service Repa...Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix CR9) Service Repa...
Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix CR9) Service Repa...
 
Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix AC5) Service Repa...
Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix AC5) Service Repa...Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix AC5) Service Repa...
Caterpillar Cat 303.5E2 CR Mini Hydraulic Excavator (Prefix AC5) Service Repa...
 
Caterpillar Cat 303.5E Mini Hydraulic Excavator (Prefix RSE) Service Repair M...
Caterpillar Cat 303.5E Mini Hydraulic Excavator (Prefix RSE) Service Repair M...Caterpillar Cat 303.5E Mini Hydraulic Excavator (Prefix RSE) Service Repair M...
Caterpillar Cat 303.5E Mini Hydraulic Excavator (Prefix RSE) Service Repair M...
 

Recently uploaded

如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查
如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查
如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查
huxs9sacp
 
出售伯明翰大学毕业证研究生文凭证书原版质量
出售伯明翰大学毕业证研究生文凭证书原版质量出售伯明翰大学毕业证研究生文凭证书原版质量
出售伯明翰大学毕业证研究生文凭证书原版质量
kthcah
 
John Deere 990 Compact Utility Tractor Shop Manual.pdf
John Deere 990 Compact Utility Tractor Shop Manual.pdfJohn Deere 990 Compact Utility Tractor Shop Manual.pdf
John Deere 990 Compact Utility Tractor Shop Manual.pdf
Excavator
 
一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样
一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样
一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样
wsppdmt
 
mechanical vibrations pebbles.pptbbbbbbbbx
mechanical vibrations pebbles.pptbbbbbbbbxmechanical vibrations pebbles.pptbbbbbbbbx
mechanical vibrations pebbles.pptbbbbbbbbx
joshuaclack73
 
一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证
一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证
一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证
62qaf0hi
 
原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证
原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证
原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证
eehzz
 
一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样
一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样
一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样
A
 
一比一原版伯明翰城市大学毕业证成绩单留信学历认证
一比一原版伯明翰城市大学毕业证成绩单留信学历认证一比一原版伯明翰城市大学毕业证成绩单留信学历认证
一比一原版伯明翰城市大学毕业证成绩单留信学历认证
62qaf0hi
 
一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查
一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查
一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查
huxs9sacp
 
一比一原版英国哈珀亚当斯大学毕业证如何办理
一比一原版英国哈珀亚当斯大学毕业证如何办理一比一原版英国哈珀亚当斯大学毕业证如何办理
一比一原版英国哈珀亚当斯大学毕业证如何办理
AS
 

Recently uploaded (20)

如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查
如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查
如何办理(爱大毕业证书)爱丁堡大学毕业证成绩单留信学历认证真实可查
 
出售伯明翰大学毕业证研究生文凭证书原版质量
出售伯明翰大学毕业证研究生文凭证书原版质量出售伯明翰大学毕业证研究生文凭证书原版质量
出售伯明翰大学毕业证研究生文凭证书原版质量
 
John Deere 990 Compact Utility Tractor Shop Manual.pdf
John Deere 990 Compact Utility Tractor Shop Manual.pdfJohn Deere 990 Compact Utility Tractor Shop Manual.pdf
John Deere 990 Compact Utility Tractor Shop Manual.pdf
 
01552_14_01306_8.0_EPS_CMP_SW_VC2_Notebook.doc
01552_14_01306_8.0_EPS_CMP_SW_VC2_Notebook.doc01552_14_01306_8.0_EPS_CMP_SW_VC2_Notebook.doc
01552_14_01306_8.0_EPS_CMP_SW_VC2_Notebook.doc
 
一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样
一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样
一比一原版西安大略大学毕业证(UWO毕业证)成绩单原件一模一样
 
EV Charging Resources and Technical Assistance for Rural Communities and Trib...
EV Charging Resources and Technical Assistance for Rural Communities and Trib...EV Charging Resources and Technical Assistance for Rural Communities and Trib...
EV Charging Resources and Technical Assistance for Rural Communities and Trib...
 
Exploring the Heart of Alberta: A Journey from Calgary to Edmonton
Exploring the Heart of Alberta: A Journey from Calgary to EdmontonExploring the Heart of Alberta: A Journey from Calgary to Edmonton
Exploring the Heart of Alberta: A Journey from Calgary to Edmonton
 
mechanical vibrations pebbles.pptbbbbbbbbx
mechanical vibrations pebbles.pptbbbbbbbbxmechanical vibrations pebbles.pptbbbbbbbbx
mechanical vibrations pebbles.pptbbbbbbbbx
 
Charging Forward: Bringing Electric Vehicle Charging Infrastructure to Rural ...
Charging Forward: Bringing Electric Vehicle Charging Infrastructure to Rural ...Charging Forward: Bringing Electric Vehicle Charging Infrastructure to Rural ...
Charging Forward: Bringing Electric Vehicle Charging Infrastructure to Rural ...
 
一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证
一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证
一比一原版(Deakin毕业证书)迪肯大学毕业证成绩单留信学历认证
 
原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证
原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证
原版定做(ncl学位证书)英国纽卡斯尔大学毕业证文凭学历证书-国外学历学位认证
 
一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样
一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样
一比一原版(Rutgers毕业证书)罗格斯大学毕业证成绩单原件一模一样
 
2014-10-07-Nexteer-Valeo-meeting.pdf troy
2014-10-07-Nexteer-Valeo-meeting.pdf troy2014-10-07-Nexteer-Valeo-meeting.pdf troy
2014-10-07-Nexteer-Valeo-meeting.pdf troy
 
Why Won't My Mercedes Key Fob Function After A Battery Swap
Why Won't My Mercedes Key Fob Function After A Battery SwapWhy Won't My Mercedes Key Fob Function After A Battery Swap
Why Won't My Mercedes Key Fob Function After A Battery Swap
 
一比一原版伯明翰城市大学毕业证成绩单留信学历认证
一比一原版伯明翰城市大学毕业证成绩单留信学历认证一比一原版伯明翰城市大学毕业证成绩单留信学历认证
一比一原版伯明翰城市大学毕业证成绩单留信学历认证
 
一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查
一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查
一比一原版美国加州大学戴维斯分校毕业证(UCD毕业证书)成绩单留信学历认证真实可查
 
Auto Glass Repair in Redwood City What to Do When Disaster Strikes.pdf
Auto Glass Repair in Redwood City What to Do When Disaster Strikes.pdfAuto Glass Repair in Redwood City What to Do When Disaster Strikes.pdf
Auto Glass Repair in Redwood City What to Do When Disaster Strikes.pdf
 
一比一原版英国哈珀亚当斯大学毕业证如何办理
一比一原版英国哈珀亚当斯大学毕业证如何办理一比一原版英国哈珀亚当斯大学毕业证如何办理
一比一原版英国哈珀亚当斯大学毕业证如何办理
 
Mercedes Check Engine Light Solutions Precision Service for Peak Performance
Mercedes Check Engine Light Solutions Precision Service for Peak PerformanceMercedes Check Engine Light Solutions Precision Service for Peak Performance
Mercedes Check Engine Light Solutions Precision Service for Peak Performance
 
Access to Rural Charging by David Skakel
Access to Rural Charging by David SkakelAccess to Rural Charging by David Skakel
Access to Rural Charging by David Skakel
 

Caterpillar Cat 426C Backhoe Loader (Prefix 1NR) Service Repair Manual (1NR01050 and up).pdf

  • 2. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 426C BACKHOE LOADER 1NR Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine Disassembly and Assembly 3054 Engine for Caterpillar Built Machines Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008 i04406238 Flywheel - Remove SMCS - 1156-011 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Bracket 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1/3 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 3. Illustration 1 g00546794 Typical Example. Different lifting device shown than what is called out in the Table. Illustration 2 g00546793 1. Install Tool (A) and a suitable lifting device on flywheel (1) . 2. Remove bolts (3) and bearing housing (4) . 3. Remove six bolts (2) and the washers from the flywheel. Note: The 3054 and 3056 marine engines used several bolt patterns to attach the flywheel to the crankshaft. There are drilled holes that are not used in the crankshaft and in the flywheel. 4. Use the suitable lifting device in order to remove flywheel (1) . The weight of flywheel (1) and the flywheel ring gear is 53 kg (120 lb). 5. If removal of the flywheel ring gear is necessary, place an index mark on the chamfer of the flywheel ring gear for the installation process. Illustration 3 g00546795 2/3 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 4. 6. Use a hammer and a punch in order to remove flywheel ring gear (5) from flywheel (1) . Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Dec 16 15:14:10 UTC+0800 2019 3/3 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 5. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 426C BACKHOE LOADER 1NR Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine Disassembly and Assembly 3054 Engine for Caterpillar Built Machines Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008 i04406239 Flywheel - Install SMCS - 1156-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7575 Link Bracket 1 Always wear protective gloves when handling parts that have been heated. 1/2 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 6. Illustration 1 g00803517 Typical Example. Different Lifting device shown than what is called out in the table. 1. If flywheel ring gear (5) was removed, heat flywheel ring gear (5) to a temperature of 250 ° C (480 °F). Note: Do not use a torch to heat the flywheel ring gear. 2. Install flywheel ring gear (5) on flywheel (1) . Note: Ensure that the chamfer of the flywheel ring gear is in the correct position on the flywheel. 3. Install Tool (A) and a suitable lifting device on flywheel (1) and position flywheel (1) in the flywheel housing. The weight of flywheel (1) and flywheel ring gear (5) is 53 kg (120 lb). Illustration 2 g00546793 4. Install six bolts (2) and the washers that hold flywheel (1) in position. Tighten the bolts to a torque of 105 N·m (77 lb ft). 5. Put bearing housing (4) in position on the flywheel. Install four bolts (3) that fasten bearing housing (4) to the flywheel. 6. Refer to the Specifications Module, "Flywheel" topic for information on inspecting the flywheel. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Dec 16 15:15:06 UTC+0800 2019 2/2 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 7. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 426C BACKHOE LOADER 1NR Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine Disassembly and Assembly 3054 Engine for Caterpillar Built Machines Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008 i01741403 Crankshaft Rear Seal - Remove SMCS - 1161-011 Removal Procedure Start By: a. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. 1/3 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 8. Engines with 14 Bolt Housing Assembly Illustration 1 g00632744 The flywheel housing has been removed for photographic purposes only. 1. Remove bolts (1) from housing (3). 2. Remove socket head bolts (2) from housing (3). 3. Remove the crankshaft rear seal, the gasket, and housing (3) from the dowels in the cylinder block. Engines with 10 Bolt Housing Assembly Note: The 10 bolt housing assembly is manufactured as a one-piece assembly. The 10 bolt housing assembly is NOT adaptable to engines that have the 14 bolt housing assembly. Illustration 2 g00830867 2/3 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 9. 1. Remove the bolts in reverse order of the numbered sequence. Refer to Illustration 2. 2. Remove the one-piece housing assembly from the cylinder block. Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Dec 16 15:16:02 UTC+0800 2019 3/3 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 10. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 426C BACKHOE LOADER 1NR Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine Disassembly and Assembly 3054 Engine for Caterpillar Built Machines Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008 i01605362 Crankshaft Rear Seal - Install SMCS - 1161-012 Installation Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 9U-6205 Rear Seal Installer 1 1P-0510 Driver Group 1 B FT-2806 Alignment Tool 1 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. Engines with 14 Bolt Housing Assembly 1. Inspect the condition of the gasket. Replace the gasket, if necessary. 2. Clean the areas of the parts that will contact each other. 1/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 11. Illustration 1 g00541839 3. Use Tool (A) and a suitable press to install the crankshaft rear seal into the housing. Make sure that you install the seal to the correct depth in the housing. Refer to Specifications, "Crankshaft Seals" for additional information. 4. Lubricate the crankshaft flange and the lip of the crankshaft rear seal with clean engine oil. 5. Install Tool (A) onto the crankshaft flange. 6. Put the new gasket for the housing in position on the dowels in the cylinder block. Illustration 2 g00606404 7. Carefully place housing (3) and crankshaft rear seal (4) over Tool (A) . 8. Position housing (3) on the dowels in the cylinder block. 9. Remove Tool (A) . 2/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 12. Illustration 3 g00606340 The flywheel housing has been removed for photographic purposes only. 10. Install bolts (1) and socket head bolts (2) that fasten housing (3) to the cylinder block. 11. Tighten all of the bolts to a torque of 22 N·m (16 lb ft). Engines with 10 Bolt Housing Assembly Note: The 10 bolt housing assembly is manufactured as a one-piece assembly. The 10 bolt housing assembly is NOT adaptable to engines that have the 14 bolt housing assembly. 1. Ensure that all parts and surfaces of the engine block are clean and free from oil, grease, and dirt. Illustration 4 g00831176 3/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 13. Note: The crankshaft rear seal is lubricated. There is no need to lubricate the seal or the crankshaft flange before installation. 2. Place housing assembly (3) on crankshaft flange (1) until the housing assembly contacts the cylinder block face. Plastic sleeve (2) will push out of the housing assembly. Discard the plastic sleeve after the housing assembly is installed. 3. Place Tool (B) over housing assembly (3). This will center the housing assembly onto the crankshaft flange. Illustration 5 g00830867 4. Install the bolts with Tool (B) in position in order to fasten housing assembly (3) to the cylinder block. Tighten bolts 1 and 2 to a torque of 22 N·m (16 lb ft). 5. Remove Tool (B). Tighten the remaining bolts in sequence to a torque of 22 N·m (16 lb ft). End By: Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install". Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Dec 16 15:16:58 UTC+0800 2019 4/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 14. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 426C BACKHOE LOADER 1NR Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine Disassembly and Assembly 3054 Engine for Caterpillar Built Machines Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008 i01741450 Flywheel Housing - Remove and Install SMCS - 1157-010 Removal Procedure Table 1 Required Tools Tool Part Number Part Description Qty A 138-7574 Link Bracket 2 Start By: a. Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install". b. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove". NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 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 1/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 15. 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.
  • 16. before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. 1. Support the engine with blocks or with a suitable lifting device on a flat level surface. Illustration 1 g00541891 Typical example 2. Remove mounting bolts (1) from the top of flywheel housing (2). Illustration 2 g00541892 Typical example 3. Attach Tooling (A) and a suitable lifting device to flywheel housing (2). 4. Remove mounting bolts (3) that attach the flywheel housing to the cylinder block. 2/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 17. 5. Remove flywheel housing (2). If necessary, hit flywheel housing (2) with a soft faced hammer in order to separate flywheel housing (2) from the cylinder block. The weight of flywheel housing (2) is approximately 32 kg (70 lb). Installation Procedure Table 2 Required Tools Tool Part Number Part Description Qty A 138-7574 Link Bracket 2 NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. 1. Clean the rear face of the cylinder block and the mating surface of the flywheel housing. Inspect the felt seal on the rear flange of the engine oil pan. Replace the felt seal, if necessary. Inspect the dowels in the cylinder block that align the flywheel housing. Replace the dowels, if necessary. Illustration 3 g00541892 2. Use Tooling (A) and a suitable lifting device to position flywheel housing (2) on the dowels that are on the cylinder block. The weight of flywheel housing (2) is approximately 32 kg (70 lb). 3. Install mounting bolts (3). 3/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 18. Illustration 4 g00541891 Typical example 4. Install mounting bolts (1) that attach flywheel housing (2) to the cylinder block. Tighten the bolts for an aluminum flywheel housing to a torque of 70 N·m (52 lb ft). Tighten the cast iron flywheel housing bolts to the following torque: M10 "8.8" ... 44 N·m (33 lb ft) M10 "10.9" ... 63 N·m (46 lb ft) M12 "8.8" ... 75 N·m (55 lb ft) M12 "10.9" ... 115 N·m (85 lb ft) 5. Remove Tooling (A) from the flywheel housing. End By: a. Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install". b. Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install". Copyright 1993 - 2019 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Mon Dec 16 15:17:53 UTC+0800 2019 4/4 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...
  • 19. Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 426C BACKHOE LOADER 1NR Configuration: 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWERED BY 3054 Engine Disassembly and Assembly 3054 Engine for Caterpillar Built Machines Media Number -SENR6241-13 Publication Date -01/08/2008 Date Updated -04/08/2008 i01461242 Crankshaft Pulley - Remove and Install SMCS - 1205-010 Removal Procedure Start By: A. Remove the V-Belts. Refer to Disassembly and Assembly, "V-Belts - Remove and Install". Illustration 1 g00553762 Typical example 1. Remove three bolts (2) that hold thrust block (3) in position. 2. Remove thrust block (3) from the end of the crankshaft. The thrust block holds the crankshaft pulley in position on the end of the crankshaft. 3. Remove crankshaft pulley (1) from the engine. 1/2 426C Backhoe Loader Center Pivot, Parallel Lift 1NR01050-UP (MACHINE) POWE... 2019/12/16 https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...