Caterpillar Cat 345C EXCAVATOR (Prefix RFN) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
345C EXCAVATOR

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Product: EXCAVATOR
Model: 345C EXCAVATOR RFN
Configuration: ISJ HEX COMMONALITY CHART RFN00001-UP (MACHINE)
Disassembly and Assembly
C11 and C13 Engines for Caterpillar Built Machines
Media Number -RENR9214-23 Publication Date -01/05/2015 Date Updated -22/05/2018
i02247841
Inlet and Exhaust Valves - Remove and Install
SMCS - 1105-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5S-1330 Valve Spring Compressor 1
Start By:
a. Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head -
Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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ISJ HEX COMMONALITY CHART RFN00001-UP (MACHINE)(SEBP5600 - 00) - ...
2020/7/24
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sis...

Illustration 1 g01131781
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
1. Use Tooling (A) to remove retainer locks (1).
2. Remove valve rotators (2).
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3. Remove valve springs (3) and valve springs (4).
4. Remove base (5).
5. Remove valves (6) from the cylinder head.
6. Remove valve seals (7).
Installation Procedure
Table 2
Required Tools
A 5S-1330 Valve Spring Compressor 1
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The valve keepers can be thrown from the valve when the valve spring
compressor is released. Ensure that the valve keepers are properly
installed on the valve stem. To help prevent personal injury, keep away
from the front of the valve keepers and valve springs during the
installation of the valves.
Note: A small amount of grease can be used to hold the retainer locks in position during
installation.
1. Lubricate valves (6) with clean engine oil. Install the valves in the cylinder head assembly.
2. Install valve seals (7).
3. Install base (5).
4. Install valve springs (3) and valve springs (4).
5. Install valve rotators (2).
6. Use Tooling (A) to install retainer locks (1).
End By:
a. Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Jul 24 20:06:59 UTC+0800 2020
4/4
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Product: EXCAVATOR
i04496931
Inlet and Exhaust Valve Guides - Remove and Install
SMCS - 1104-010
Removal Procedure
Table 1
Required Tools
A 1U-9169 Valve Guide Driver 1
Start By:
A. Remove the inlet valves and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
Exhaust Valves - Remove and Install".
NOTICE
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1. Use Tooling (A) to remove the valve guides from the cylinder head assembly.
Table 2
Required Tools
B
124-9057 Guide Collar 1
9U-6895 Valve Guide Driver 1
NOTICE
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1. Use Tooling (B) to install valve guides (1) . Install the valve guides until Length (X) is 20.0
± 0.5 mm (0.79 ± 0.02 inch) above the cylinder head assembly.
End By: Install the inlet valves and exhaust valves. Refer to Disassembly and Assembly, "Inlet
and Exhaust Valves - Remove and Install".
Fri Jul 24 20:07:56 UTC+0800 2020
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Product: EXCAVATOR
i04526310
Inlet and Exhaust Valve Seat Inserts - Remove and Install
SMCS - 1103-010
Removal Procedure
Table 1
Required Tools
A 166-7441 Valve Seat Extractor Tool 1
Start By:
a. Remove the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
Exhaust Valves - Remove and Install".
NOTICE
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1. Use Tooling (A) to remove valve seat inserts (1).
Table 2
Required Tools
B
1U-9170 Valve Seat Driver(1)
1
9U-6898 Valve Seat Driver(2)
1
(1)
INLET
(2)
EXHAUST
NOTICE
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Note: Do not machine the prefinished valve seat inserts in order to correct the valve stem
projection. An excessive valve stem projection indicates that the valve seat insert is not
seated or material was not cleaned from the bottom of the counterbore.
1. Lower the temperature of new valve seat inserts (1).
2. Use Tooling (B) to install the new valve seat inserts in the cylinder head assembly.
End By:
a. Install the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust
Valves - Remove and Install".
Fri Jul 24 20:08:53 UTC+0800 2020
3/3
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Product: EXCAVATOR
i02247933
Engine Oil Filter Base - Remove
SMCS - 1306-011
Removal Procedure
NOTICE
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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1. Disconnect hose assemblies (2), (5), and (6).
2. Remove bolts (1) and (4).
3. Remove oil filter base (3) and the gasket.
Fri Jul 24 20:09:50 UTC+0800 2020
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Product: EXCAVATOR
i02285414
Engine Oil Filter Base - Remove
SMCS - 1306-011
Removal Procedure
Table 1
Required Tools
A 185-3630 Strap Wrench As 1
NOTICE
NOTICE
containing fluids.
Cat products.
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1. Use Tooling (A) to remove oil filter (4) from engine oil filter base (3).
2. Disconnect hose assembly (2).
3. Remove bolts (1) and bolts (5) (not shown).
4. Remove engine oil filter base (3) and the gasket.
Fri Jul 24 20:10:47 UTC+0800 2020
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Product: EXCAVATOR
i01942432
Engine Oil Filter Base - Disassemble
SMCS - 1306-015
Disassembly Procedure
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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) High Pressure Relief Valve
(2) Pump Bypass Valve
(3) Oil Filter Bypass Valve
(4) Oil Cooler Bypass Valve
Fri Jul 24 20:11:44 UTC+0800 2020
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Product: EXCAVATOR
i01942433
Engine Oil Filter Base - Assemble
SMCS - 1306-016
Assembly Procedure
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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.
(1) High Pressure Relief Valve
(2) Pump Bypass Valve
(3) Oil Filter Bypass Valve
(4) Oil Cooler Bypass Valve
Fri Jul 24 20:12:40 UTC+0800 2020
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Product: EXCAVATOR
i02248041
Engine Oil Filter Base - Install
SMCS - 1306-012
NOTICE
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1. Position oil filter base (3) and the gasket on the engine.
2. Install bolts (1) and (4).
3. Connect hose assemblies (2), (5), and (6).
Fri Jul 24 20:13:37 UTC+0800 2020
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Product: EXCAVATOR
i02285615
Engine Oil Filter Base - Install
SMCS - 1306-012
NOTICE
1/2
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1. Position the gasket and engine oil filter base (3) on the engine.
2. Install bolts (1) and bolts (5) (not shown).
3. Connect hose assembly (2).
4. Install oil filter (4) on engine oil filter base (3).
Fri Jul 24 20:14:34 UTC+0800 2020
2/2
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Product: EXCAVATOR
i02248045
Engine Oil Cooler - Remove
SMCS - 1378-011
Removal Procedure
NOTICE
NOTICE
containing fluids.
Cat products.
1. Drain the coolant system. Refer to Operation and Maintenance Manual, "Refill Capacities
and Recommendations".
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2. Disconnect hose assembly (2).
3. Disconnect hose (4).
4. Attach a suitable lifting device to engine oil cooler (3). The weight of engine oil cooler (3)
is approximately 23 kg (50 lb).
5. Remove bolts (5) and (6).
6. Remove bonnet (1).
7. Remove engine oil cooler (3).
Fri Jul 24 20:15:31 UTC+0800 2020
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2020/7/24

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Product: EXCAVATOR
i02248059
Engine Oil Cooler - Install
SMCS - 1378-012
NOTICE
1/2
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1. Attach a suitable lifting device to engine oil cooler (3). The weight of engine oil cooler (3)
is approximately 23 kg (50 lb).
2. Position engine oil cooler (3) on the engine.
3. Install bonnet (1).
4. Install bolts (5) and (6).
5. Connect hose (4).
6. Connect hose assembly (2).
7. Fill the coolant system. Refer to Operation and Maintenance Manual, "Refill Capacities and
Recommendations".
Fri Jul 24 20:16:28 UTC+0800 2020
2/2
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Product: EXCAVATOR
i02290926
Engine Oil Pump - Remove
SMCS - 1304-011
Removal Procedure
NOTICE
containing fluids.
Cat products.
NOTICE
1/2
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Suggest:
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Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading

1. Disconnect tube assembly (1) and tube assembly (2).
2. Remove bolts (5).
3. Remove bolts (4).
4. Remove engine oil pump (3).
Fri Jul 24 20:17:24 UTC+0800 2020
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Caterpillar Cat 345C EXCAVATOR (Prefix RFN) Service Repair Manual Instant Download.pdf

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