Caterpillar Cat 322C Excavator (Prefix BKM) Service Repair Manual (BKM00001 and up).pdf

Service Repair Manual
Model
322C and 322C L 322CL Excavator

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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
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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322C & 322C L Excavators BKM00001-UP (MACHINE) POWERED BY 3126 Engi...
2019/9/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Illustration 1 g00678475
1. Disconnect tube assembly (2) from primary fuel filter base (1).
2. Remove bolts (4) from the fuel priming pump (3).
3. Remove fuel priming pump (3) from the primary fuel filter base.
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.
6. Remove bolts (8) from the primary fuel filter base (1).
7. Remove primary fuel filter base (1) from the engine.
Installation Procedure
NOTICE
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1. Install bolts (8) that secure primary fuel filter base (1) to the engine.
2. Install filter element (6) and housing (7) to the primary filter base with bolt (5).
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3. Install bolts (4) that secure fuel priming pump (3) to the primary fuel filter base.
4. Connect tube assembly (2) to primary fuel filter base (1).
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All Rights Reserved.
Private Network For SIS Licensees.
Wed Sep 25 16:52:35 UTC+0800 2019
5/5
2019/9/25

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Product: EXCAVATOR
Wheel Loaders
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.
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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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2. Remove fitting (3) and the check valve from cover (1). Remove the filter screen (if
equipped) from fitting (3).
3. Remove spring (4) and piston (5).
4. Remove upper O-ring seal (6).
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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).
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)".
Wed Sep 25 16:53:30 UTC+0800 2019
4/4
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Product: EXCAVATOR
Wheel Loaders
i01928343
Fuel Transfer Pump - Install
SMCS - 1256-012
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8T-2998 Lubricant 1
NOTICE
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
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1. Lubricate fitting (10) and the bore with clean engine oil. Install the check valve and fitting
(10).
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.
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4. Lubricate piston (5) with clean engine oil. Install piston (5) and spring (4).
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).
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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).
Wed Sep 25 16:54:26 UTC+0800 2019
4/4
2019/9/25

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Product: EXCAVATOR
Wheel Loaders
i01928366
Fuel Shutoff Solenoid - Remove and Install
SMCS - 1259-010
Removal Procedure
Table 1
Required Tools
A 9U-5120 Spanner Wrench(1)
1
(1)
This tool is part of the 128-8822 Fuel System and Governor Tool Group.
NOTICE
NOTICE
containing fluids.
1/3
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Cat products.
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 .
Table 2
Required Tools
A 9U-5120 Spanner Wrench(1)
1
(1)
NOTICE
NOTICE
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containing fluids.
Cat products.
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.
Wed Sep 25 16:55:22 UTC+0800 2019
3/3
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Product: EXCAVATOR
Wheel Loaders
i01928381
Governor - Remove
SMCS - 1264-011
Removal Procedure
Table 1
Required Tools
A 136-4149 Governor Pliers(1)
1
(1)
Start By:
a. Remove the fuel shutoff solenoid. Refer to Disassembly and Assembly, "Fuel Shutoff
Solenoid - Remove and Install".
NOTICE
containing fluids.
Cat products.
1/5
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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.
3. Remove clip (4).
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4. Use Tooling (A) to slide tube assembly (5) into the cylinder head.
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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6. Remove bolts (7) and the washers that hold the governor in position.
7. Remove the governor from the engine.
8. Remove O-ring seal (3) on the governor.
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9. Remove the O-ring seal and tube assembly (5) from the cylinder head.
10. Remove O-ring seal (2) on the tube assembly (5).
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
Wed Sep 25 16:56:18 UTC+0800 2019
5/5
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Product: EXCAVATOR
Wheel Loaders
i01928419
Governor - Install
SMCS - 1264-012
Table 1
Required Tools
1
B
128-8827 Pin(1)
1
1U-7523 Pin Pilot(1)
1
(1)
This tool is part of the 128-8822 Governor Tool Group.
NOTICE
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
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1. Apply lubricant to the new O-ring seal (1). Install new O-ring seal (1) in the cylinder head.
2. Apply lubricant to the new O-ring seal (2). Install new O-ring seal (2) on the tube assembly
(5).
3. Install the O-ring seal and tube assembly (5) in the cylinder head.
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4. Apply lubricant to the new O-ring seal (3). Install new O-ring seal (3) on the governor.
5. Place the governor in position on the engine.
6. Install the washers and bolts (7) that hold the governor in place.
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7. Install clevis pin (6) in Tooling (B).
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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10. Use Tooling (A) to slide tube assembly (5) into the governor.
11. Install clip (4).
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".
Wed Sep 25 16:57:13 UTC+0800 2019
5/5
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Product: EXCAVATOR
Wheel Loaders
i01928445
Fuel Injection Control Linkage - Remove
SMCS - 1298-011
Removal Procedure
Table 1
Required Tools
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
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1. Remove clip (4). Clip (4) is located between the governor and the cylinder head.
2. Use Tooling (A) to slide tube assembly (5) into the cylinder head.
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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.
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".
Wed Sep 25 16:58:09 UTC+0800 2019
3/3
2019/9/25

Shutdown SIS
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Product: EXCAVATOR
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
i01928573
Fuel Injection Control Linkage - Install
SMCS - 1298-012
Table 1
Required Tools
1
B
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
(1)
This tool is part of the 128-8822 Governor Tool Group.
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Caterpillar Cat 322C Excavator (Prefix BKM) Service Repair Manual (BKM00001 and up).pdf

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