Caterpillar Cat 322C L 322CL Excavator (Prefix BKM) Service Repair Manual (BKM00001 and up)

Service Repair Manual

Model

322C and 322C L 322CL Excavator

322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engi...

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Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928293

Fuel Priming Pump and Primary Fuel Filter - Remove and Install SMCS - 1258-010; 1260-010

Removal Procedure 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, "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.

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Illustration 1

g00678475

1. Disconnect tube assembly (2) from primary fuel filter base (1).

Illustration 2

g00678476

2. Remove bolts (4) from the fuel priming pump (3).

3. Remove fuel priming pump (3) from the primary fuel filter base.

Illustration 3

g00678479

4. Remove bolt (5) from the primary fuel filter base.

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5. Remove filter element (6) and housing (7) from the primary fuel filter base.

Illustration 4

g00773124

6. Remove bolts (8) from the primary fuel filter base (1).

7. Remove primary fuel filter base (1) from the engine.

Installation Procedure NOTICE Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

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Illustration 5

g00773124

1. Install bolts (8) that secure primary fuel filter base (1) to the engine.

Illustration 6

g00678479

2. Install filter element (6) and housing (7) to the primary filter base with bolt (5).

Illustration 7

g00678476

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3. Install bolts (4) that secure fuel priming pump (3) to the primary fuel filter base.

Illustration 8

g00678475

4. Connect tube assembly (2) to primary fuel filter base (1).

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Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928670

Fuel Transfer Pump - Remove SMCS - 1256-011

Removal Procedure Note: The governor and the fuel transfer pump have been removed from the engine for photographic purposes only. This procedure may be done with the governor on the engine.

Illustration 1

g00623633

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Illustration 2

2/4

g00623671

Personal injury can result from parts and/or covers under spring pressure.

Spring force will be released when covers are removed.

Be prepared to hold spring loaded covers as the bolts are loosened.

1. Hold cover (1) in place and remove bolts (2) in order to release the spring beneath cover (1).

Remove cover (1).

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Illustration 3

g00623686

2. Remove fitting (3) and the check valve from cover (1). Remove the filter screen (if equipped) from fitting (3).

Illustration 4

g00623687

3. Remove spring (4) and piston (5).

4. Remove upper O-ring seal (6).

Illustration 5

g00623714

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5. Remove sleeve assembly (7). Inspect the face of lifter (8) for excessive wear. Inspect the surface of the camshaft that is inside of the governor for excessive wear or damage.

6. Remove lower O-ring seal (9).

Illustration 6

g00623719

7. Remove fitting (10) and the check valve.

Note: For information on reusability of the components in the fuel transfer pump, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8434, "3100 Governor Inspection and General Information for Mechanical Governor Groups Used in 3114, 3116, and 3126 Engines Equipped with Mechanical Unit Injectors (MUI)".

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Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928343

Fuel Transfer Pump - Install SMCS - 1256-012

Installation Procedure Table 1 Required Tools Tool

Part Number

A

8T-2998

Part Description Lubricant

Qty 1

NOTICE Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

Note: For information on reusability of the components in the fuel transfer pump, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8434, "3100 Governor Inspection and General Information for Mechanical Governor Groups Used in 3114, 3116, and 3126 Engines Equipped with Mechanical Unit Injectors (MUI)".

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Illustration 1

2/4

g00623719

1. Lubricate fitting (10) and the bore with clean engine oil. Install the check valve and fitting (10).

Illustration 2

g00623714

2. Inspect the condition of the O-ring seal. Replace the O-ring seal, if necessary. Install lower O-ring seal (9).

3. Apply Tooling (A) on the face of lifter (8). Install sleeve assembly (7). Ensure that the flat on the sleeve aligns with the flat in the bore of the housing.

Illustration 3

g00623687

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4. Lubricate piston (5) with clean engine oil. Install piston (5) and spring (4).

Illustration 4

g00623686

5. Lubricate fitting (3) and the bore for the check valve with clean engine oil. Install the check valve with the sealing face toward the fitting.

6. Install the O-ring seal and fitting (3).

Illustration 5

g00623671

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Illustration 6

4/4

g00623633

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.

7. Place cover (1) over spring (4). Install bolts (2) in order to compress spring (4).

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Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BKM Configuration: 322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine

Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928366

Fuel Shutoff Solenoid - Remove and Install SMCS - 1259-010

Removal Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

A

9U-5120

Spanner Wrench(1)

1

(1)

This tool is part of the 128-8822 Fuel System and Governor Tool Group.

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.

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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

g00585831

1. Disconnect the harness assembly (2) from fuel shutoff solenoid (1).

2. Use Tooling (A) to remove the fuel shutoff solenoid from the governor.

3. Remove the O-ring seal from the shutoff solenoid .

Installation Procedure Table 2 Required Tools Tool

Part Number

Part Description

Qty

A

9U-5120

Spanner Wrench(1)

1

(1)

This tool is part of the 128-8822 Fuel System and Governor Tool Group.

NOTICE Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

NOTICE

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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 2

g00585831

1. Inspect the O-ring seal on the fuel shutoff solenoid. If the O-ring seal is worn or damaged, use new parts for replacement.

2. Install the O-ring seal on the fuel shutoff solenoid.

3. Install the fuel shutoff solenoid in the governor. Use Tooling (A) and a suitable torque wrench to tighten the fuel shutoff solenoid to the following torque 30 ± 5 N·m (22 ± 4 lb ft).

4. Connect the harness assembly to the fuel shutoff solenoid.

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Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928381

Governor - Remove SMCS - 1264-011

Removal Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

A

136-4149

Governor Pliers(1)

1

(1)

This tool is part of the 128-8822 Fuel System and Governor Tool Group.

Start By: a. Remove the fuel shutoff solenoid. Refer to Disassembly and Assembly, "Fuel Shutoff Solenoid - Remove and Install".

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.

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322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engi...

Illustration 1

g00613041

1. Disconnect the governor control cable.

2. Remove oil tube assembly (1). Remove tube assembly (2) and tube assembly for fuel ratio control (3), if equipped. Plug and cap all connections.

Illustration 2

g00613071

3. Remove clip (4).

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Illustration 3

g00655975

4. Use Tooling (A) to slide tube assembly (5) into the cylinder head.

Illustration 4

g00613149

5. Remove the clip and use Tooling (A) to remove the clevis pin (6).

Note: Clevis pin (6) must stay with the governor in order to be adjusted.

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Illustration 5

g00613563

6. Remove bolts (7) and the washers that hold the governor in position.

Illustration 6

g00673182

7. Remove the governor from the engine.

Illustration 7

g00673180

8. Remove O-ring seal (3) on the governor.

Illustration 8

g00672742

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9. Remove the O-ring seal and tube assembly (5) from the cylinder head.

Illustration 9

g00672733

10. Remove O-ring seal (2) on the tube assembly (5).

Illustration 10

g00673178

11. Remove O-ring seal (1) from the cylinder head.

Note: For more information on the governor, refer to Service Manual, SENR6454, "3114, 3116, & 3126 Engine Governors". The Service Manual, SENR6454 requires the use of a 1U-7326 Governor Calibration Bench. For information on reusability of components in the governor, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8434, "3100 Governor Inspection and General Information for Mechanical Governor Groups Used in 3114, 3116, and 3126 Engines Equipped with Mechanical Unit Injectors (MUI)".

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Wed Sep 25 16:56:18 UTC+0800 2019

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Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928419

Governor - Install SMCS - 1264-012

Installation Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

A

136-4149

Governor Pliers(1)

1

128-8827

Pin(1)

1

1U-7523

Pin Pilot(1)

1

B (1)

This tool is part of the 128-8822 Governor Tool Group.

NOTICE Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

Note: For more information on the governor, refer to Service Manual, SENR6454, "3114, 3116, & 3126 Engine Governors". The Service Manual, SENR6454 requires the use of a 1U-7326 Governor Calibration Bench. For information on reusability of components in the governor, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8434, "3100 Governor Inspection and General Information for Mechanical Governor Groups Used in 3114, 3116, and 3126 Engines Equipped with Mechanical Unit Injectors (MUI)".

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Illustration 1

2/5

g00673178

1. Apply lubricant to the new O-ring seal (1). Install new O-ring seal (1) in the cylinder head.

Illustration 2

g00672733

2. Apply lubricant to the new O-ring seal (2). Install new O-ring seal (2) on the tube assembly (5).

Illustration 3

g00672742

3. Install the O-ring seal and tube assembly (5) in the cylinder head.

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Illustration 4

g00673180

4. Apply lubricant to the new O-ring seal (3). Install new O-ring seal (3) on the governor.

Illustration 5

g00673182

5. Place the governor in position on the engine.

Illustration 6

g00613563

6. Install the washers and bolts (7) that hold the governor in place.

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Illustration 7

g00672755

7. Install clevis pin (6) in Tooling (B).

Illustration 8

g00672752

8. Use Tooling (B) to install clevis pin (6) and the clip.

9. Check the fuel setting adjustment. Refer to Testing and Adjusting, SENR5118.

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Illustration 9

5/5

g00655975

10. Use Tooling (A) to slide tube assembly (5) into the governor.

Illustration 10

g00613071

11. Install clip (4).

Illustration 11

g00613041

12. Install oil tube assembly (1). Install tube assembly (2) and tube assembly for fuel ratio control (3), if equipped. Plug and cap all connections.

13. Install the governor control cable.

End By: a. Install the fuel shutoff solenoid. Refer to Disassembly and Assembly, "Fuel Shutoff Solenoid - Remove and Install".

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Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928445

Fuel Injection Control Linkage - Remove SMCS - 1298-011

Removal Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

A

136-4149

Governor Pliers

1

Start By: a. Remove the rocker shaft and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".

NOTICE Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

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Illustration 1

g00613071

1. Remove clip (4). Clip (4) is located between the governor and the cylinder head.

Illustration 2

g00655975

2. Use Tooling (A) to slide tube assembly (5) into the cylinder head.

Illustration 3

g00613149

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3. Remove the clip and use Tooling (A) to remove the clevis pin (6). Clevis pin (6) connects the governor to the control lever of the fuel injection control linkage.

Note: Clevis pin (6) must stay with the governor in order to be adjusted.

Illustration 4

g00630566

4. Remove bolts (1) and remove fuel injection control linkage (2). Control lever (3) connects the fuel injection control linkage (2) to the governor.

Note: For information on the inspection procedure for control lever (3), refer to Special Instruction, REHS0601, "Inspection and Modification of the 102-7459 Fuel Injection Control Linkage and the 4P-9048 Fuel Injection Control Linkage".

Copyright 1993 - 2019 Caterpillar Inc.

Wed Sep 25 16:58:09 UTC+0800 2019

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Shutdown SIS Previous Screen Product: EXCAVATOR Model: 322C EXCAVATOR BKM Configuration: 322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engine

Disassembly and Assembly 446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders Media Number -SENR3611-18

Publication Date -01/05/2009

Date Updated -27/05/2009

i01928573

Fuel Injection Control Linkage - Install SMCS - 1298-012

Installation Procedure Table 1 Required Tools Tool

Part Number

Part Description

Qty

A

136-4149

Governor Pliers(1)

1

128-8827

Pin(1)

1

1U-7523

Pin Pilot(1)

1

C

1U-6675

Spring Compressor(1)

6

D

128-8822

Fuel System and Governor Tool Gp

1

B

(1)

This tool is part of the 128-8822 Governor Tool Group.

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