Caterpillar Cat 322C FM EXCAVATOR (Prefix C3R) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
322C FM EXCAVATOR

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Product: EXCAVATOR
Model: 322C FM EXCAVATOR C3R
Configuration: 322C Forest Swing Machines C3R00001-UP (MACHINE) POWERED BY 3126B Engine
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i01908258
Unit Injector Hydraulic Pump - Remove
SMCS - 1714-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5P-0327 Crowfoot Wrench 1
B 180-0186 Removal Tool 1
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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322C Forest Swing Machines C3R00001-UP (MACHINE) POWERED BY 3126B En...
2019/11/1
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

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 g00727629
Hose assembly (5) is disconnected in Illustration 2 for photographic purposes.
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1. Insert Tooling (B) on the hose side of the rubber boot on hose assembly (5). Push the rubber
boot toward the fitting in order to remove hose assembly (5). Use Tooling (A) to remove
line assembly (1).
Note: If Tooling (B) is not available, screwdrivers that are medium sized may be used.
Insert the screwdrivers on each side of the rubber boot and move the rubber boot toward the
fitting. This will allow the removal of hose assembly (5).
2. Disconnect harness assembly (2).
3. Remove return line assembly (4) from the engine block and from fitting (3).
4. Cut cable strap (7) that fastens the harness assembly to unit injector hydraulic pump (6).
5. Remove three bolts (8) and remove unit injector hydraulic pump (6) from the timing gear
housing.
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6. Remove O-ring seal (9) from unit injector hydraulic pump (6). Inspect the O-ring seal for
wear or for damage. If the O-ring seal is worn or damaged, use a new part for replacement.
7. Remove bolt (10) and washer (11). Remove drive gear (12). Inspect the drive gear for wear
or for damage. Replace the drive gear, if necessary.
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Nov 1 21:59:04 UTC+0800 2019
4/4
2019/11/1

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Product: EXCAVATOR
i02672998
Unit Injector Hydraulic Pump - Install
SMCS - 1714-012
Installation Procedure
Table 1
Required Tools
A 5P-0327 Crowfoot Wrench 1
NOTICE
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1. Position drive gear (12) on the unit injector hydraulic pump. Install washer (11) and bolt
(10) on the unit injector hydraulic pump. Tighten bolt (10) to a torque of 110 ± 14 N·m
(81 ± 10 lb ft).
2. Lubricate O-ring seal (9) with clean engine oil. Install the O-ring seal on the unit injector
hydraulic pump.
3. Position unit injector hydraulic pump (6) on the timing gear housing. Install three bolts (8)
and tighten three bolts (8) to a torque of 28 ± 7 N·m (20 ± 5 lb ft).
4. Install cable strap (7).
2/3
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5. Install return line assembly (4) on the engine block and on fitting (3).
6. Reconnect harness assembly (2).
7. Use Tooling (A) to install line assembly (1).
NOTICE
If the hose is not correctly connected the hose will come loose when the
engine is started and the engine oil will come out of the hose. Engine
damage can result.
NOTICE
Leakage of the high pressure engine oil lines can result in failure of the
engine fuel system.
8. Install hose assembly (5) and lock the hose assembly in position. Apply pressure in order to
snap the hose assembly into the quick coupling for each of the ends.
Note: Be sure to check the connection by pulling back on the hose.
Fri Nov 1 22:00:00 UTC+0800 2019
3/3
2019/11/1

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Product: EXCAVATOR
i01929376
Turbocharger - Remove
SMCS - 1052-011
Removal Procedure
NOTICE
NOTICE
containing fluids.
Cat products.
1/2
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1. Remove bolts (1) and the gasket. Remove bolts (3) and tube assembly (2) from the
turbocharger.
2. Remove the bolts and the gasket in order to disconnect oil supply tube assembly (5) from
the turbocharger.
3. Remove nuts (4), turbocharger (6), and the gasket from the exhaust manifold.
Fri Nov 1 22:00:55 UTC+0800 2019
2/2
2019/11/1

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Product: EXCAVATOR
i01978052
Turbocharger - Disassemble
SMCS - 1052-015
Disassembly Procedure
NOTICE
NOTICE
containing fluids.
Cat products.
1/2
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1. Place alignment marks on the two housings and the cartridge assembly for the correct
alignment during assembly.
2. Disconnect hose (4) from compressor housing (3).
3. Remove waste gate (5) from turbine housing (1).
4. Remove turbine housing (1).
5. Remove compressor housing (3) from cartridge assembly (2).
Fri Nov 1 22:01:51 UTC+0800 2019
2/2
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Product: EXCAVATOR
i01978165
Turbocharger - Assemble
SMCS - 1052-016
Assembly Procedure
NOTICE
1/2
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1. Position compressor housing (3) on cartridge assembly (2) and align the marks on the
components.
2. Position turbine housing (1) on cartridge assembly (2) and align the marks on the
components.
3. Install waste gate (5).
4. Connect hose (4) to compressor housing (3).
Fri Nov 1 22:02:47 UTC+0800 2019
2/2
2019/11/1

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Product: EXCAVATOR
i01334762
Turbocharger - Install
SMCS - 1052-012
NOTICE
1. Inspect the turbocharger gasket for wear or damage. If the turbocharger gasket is worn or
damaged, use a new part for replacement.
2. Apply 5P-3931 Anti-Seize Compound on the threads of the mounting studs for the
turbocharger.
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3. Position the turbocharger gasket and turbocharger (6) on the exhaust manifold. Install nuts
(4) that fasten turbocharger (6) to the exhaust manifold.
4. Tighten the locknuts that fasten the turbocharger to the exhaust manifold.
Tighten the 3E-8017 Locknut with the Spiralock thread to the following torque: ...
54 ± 5 N·m (40 ± 4 lb ft)
Tighten the standard 9X-6620 Locknut to the following torque: ... 70 ± 5 N·m (50 ± 4 lb ft)
5. Inspect the gaskets for oil supply tube assembly (5) and tube assembly (2). If the gaskets are
worn or damaged, use a new part for replacement.
6. Position tube assembly (2) and the gasket on turbocharger (6). Install bolts (1) on the
turbocharger and install bolts (3) on the cylinder block.
7. Install the gasket for oil supply tube assembly (5) and connect oil supply tube assembly (5)
to turbocharger (6).
Fri Nov 1 22:03:43 UTC+0800 2019
2/2
2019/11/1

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Product: EXCAVATOR
i01978190
Exhaust Manifold - Remove and Install
SMCS - 1059-010
Removal Procedure
Start By:
a. Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
1. Remove bolts (1), locks (3), exhaust manifold (2), and the gaskets from the cylinder head
assembly.
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Table 1
Required Tools
A 2P-2333 High Temperature Sealer 1
B 5P-3931 Anti-Seize Compound 1
NOTICE
Excessive use of sealant can cause damage to components.
To avoid component damage use only the amount of sealant necessary
for the application.
Note: Apply Tooling (A) to the outside diameter of the male ends of exhaust manifold (2) if
exhaust manifold (2) is disassembled. Assemble exhaust manifold (2) and remove the
excess sealer from the joints.
1. Apply Tooling (B) to the threads of bolts (1). Position the gaskets and exhaust manifold (2)
on the cylinder head assembly. Install locks (3) and bolts (1).
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2. Tighten bolt (1) through bolt (12) in a numerical sequence. Tighten bolts to 4 ± 1 N·m
(35 ± 9 lb in).
3. Tighten bolt (1) through bolt (12) in a numerical sequence 45 ± 5 N·m (33 ± 4 lb ft).
Note: Prior to starting or running the engine, allow the sealant in the exhaust manifold joints
to air dry for 24 hours.
End By:
a. Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".
Fri Nov 1 22:04:39 UTC+0800 2019
3/3
2019/11/1

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Product: EXCAVATOR
i01978837
Air Inlet Heater Solenoid - Remove and Install
SMCS - 1090-010-OD
Fri Nov 1 22:05:34 UTC+0800 2019
1/1
2019/11/1

Caterpillar Cat 322C FM EXCAVATOR (Prefix C3R) Service Repair Manual Instant Download.pdf

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Caterpillar Cat 322C FM EXCAVATOR (Prefix C3R) Service Repair Manual Instant Download.pdf