Caterpillar Cat 336D2 Excavator (Prefix WBC) Service Repair Manual (WBC00001 and up).pdf

Service Repair Manual
Models
336D2 and 336D2 L Excavator

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Product: EXCAVATOR
Model: 336D2 L EXCAVATOR WBC
Configuration: 336D2 & 336D2 L Excavators WBC00001-UP (MACHINE) POWERED BY C9 Engine
Disassembly and Assembly
C9 Engines for Caterpillar Built Machines
Media Number -RENR9579-20 Publication Date -01/02/2015 Date Updated -15/08/2018
i05165105
Inlet and Exhaust Valve Guides - Remove and Install
SMCS - 1104-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
9U-6895
or
4C-6366 (1)
Valve Guide Driver 1
( 1 )
If necessary, use Tooling on inlet valve guides.
Start By:
A. Remove the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
Exhaust Valves - Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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336D2 & 336D2 L Excavators WBC00001-UP (MACHINE) POWERED BY C9 Engi...
2020/6/3
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Illustration 1 g01137612
1. Use Tooling (A) to remove the inlet valve guides and exhaust valve guides from the
cylinder head assembly.
Installation Procedure
Table 2
Required Tools
A
9U-6895
or
4C-6366 (1)
Valve Guide Driver 1
B 173-5524 Guide Collar 1
C 342-6109 Guide Collar 1
( 1 )
If necessary, use Tooling on inlet valve guides.
NOTICE
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1. Position the inlet valve guide and exhaust valve guide in the cylinder head. Tap on the top
of the valve guides in order to start the inlet valve guides and exhaust valve guides into the
cylinder head assembly.
2. Use Tooling (A) and Tooling (B) to install the Exhaust valve guide. Use Tooling (A) and
Tooling (C) to install the Intake valve guide. Install the valve guides until the protrusion is
Distance (X) . Distance (X) is 12.0 ± 0.5 mm (0.47 ± 0.02 inch) above the cylinder head
assembly.
End By: Install the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
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Wed Jun 3 17:28:37 UTC+0800 2020
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Product: EXCAVATOR
i04420274
Inlet and Exhaust Valve Seat Inserts - Remove and Install
SMCS - 1103-010
Removal Procedure
Table 1
Required Tools
A 9S-3095 Puller Handle 1
B
6V-4194 (1)
Valve Seat Extractor 1
1U-9167 (2)
Valve Seat Extractor 1
( 1 )
For use with Exhaust Valve Seat
( 2 )
For use with Intake Valve Seat
Start By:
A. Remove inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust
Valves - Remove and Install".
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1. Use Tooling (A) and Tooling (B) to remove valve seat inserts (1) .
Table 2
Required Tools
C
4C-6372 (1)
Valve Seat Driver 1
364-4009 (2)
Valve Seat Driver 1
( 1 )
For use with Exhaust Valve Seat
( 2 )
For use with Intake Valve Seat
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) . Use Tooling (C) to install valve seat
inserts (1) into the cylinder head.
End By: Install the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
Wed Jun 3 17:29:32 UTC+0800 2020
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Product: EXCAVATOR
i02297805
Engine Oil Filter Base and Oil Cooler - Remove
SMCS - 1306-011; 1378-012
Removal Procedure
Table 1
Required Tools
A 185-3630 Strap Wrench Assembly 1
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.
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Dispose of all fluids according to local regulations and mandates.
1. Use Tooling (A) to remove engine oil filter (1).
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2. Disconnect hose assembly (2). Remove bolts (3). Remove engine oil filter base (4) and the
oil seal.
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3. Remove engine oil cooler (5).
Wed Jun 3 17:30:28 UTC+0800 2020
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Product: EXCAVATOR
i02298275
Engine Oil Filter Base - Disassemble
SMCS - 1306-015
Disassembly Procedure
Start By:
a. Remove the engine oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter
Base and Oil Cooler - Remove".
NOTICE
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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. Remove elbow (1) and O-ring seal (3) from engine oil filter base (6).
2. Remove plug (2) and the O-ring seal from engine oil filter base (6).
3. Remove spring (4) and valve (5) from engine oil filter base (6).
4. Remove plug (9) and the O-ring seal from engine oil filter base (6).
5. Remove spring (8) and valve (7) from engine oil filter base (6).
Wed Jun 3 17:31:24 UTC+0800 2020
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Product: EXCAVATOR
i02300235
Engine Oil Filter Base - Assemble
SMCS - 1306-016
Assembly Procedure
NOTICE
1/3
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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.
1. Apply clean engine oil to O-ring seal (3). Install O-ring seal (3) on elbow (3). Install elbow
(1) in engine oil filter base (6).
2. Apply clean engine oil to the O-ring seal. Install the O-ring seal on plug (2).
3. Apply clean engine oil to valve (5). Install valve (5), spring (4), and plug (2) in engine oil
filter base (6).
4. Apply clean engine oil to the O-ring seal. Install the O-ring seal on plug (9).
5. Apply clean engine oil to valve (7). Install valve (7), spring (8), and plug (9) in engine oil
filter base (6).
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End By:
a. Install the engine oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter
Base and Oil Cooler - Install".
Wed Jun 3 17:32:20 UTC+0800 2020
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Product: EXCAVATOR
i02298181
Engine Oil Filter Base and Oil Cooler - Install
SMCS - 1306-012; 1378-012
NOTICE
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1. Install engine oil cooler (5).
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2. Apply clean engine oil to the oil seal. Install the oil seal in engine oil filter base (4). Position
engine oil filter base (4) over the engine oil cooler. Install bolts (3). Connect tube assembly
(2).
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3. Install engine oil filter (1).
4. Fill the engine with oil to the correct level. Refer to Operation and Maintenance Manual,
"Refill Capacities and Recommendations".
Wed Jun 3 17:33:16 UTC+0800 2020
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2020/6/3

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Product: EXCAVATOR
i02298281
Engine Oil Pump - Remove
SMCS - 1304-011
Removal Procedure
Table 1
Required Tools
A 1P-0510 Driver Gp 1
Start By:
a. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove
and Install".
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.
1/4
2020/6/3

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.
1. Remove bolts (1).
2. Remove bolt (2).
3. Remove bolts (3) and remove engine oil pump (4).
4. Remove the O-ring seal that is located between the cylinder block and the outlet elbow.
2/4
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5. Remove bolts (5) and remove outlet elbow (6).
6. Remove bolts (7). Remove oil pickup tube (8) and the gasket.
3/4
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7. Remove bolt (12) and the washer. Remove idler gear (11). Use Tooling (A) in order to
remove bearing (10) from idler gear (11). Remove shaft (9) from engine oil pump (4).
Wed Jun 3 17:34:11 UTC+0800 2020
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2020/6/3

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Product: EXCAVATOR
i07521711
Engine Oil Pump - Install
SMCS - 1304-012
Table 1
Required Tools
A 1P-0510 Driver Gp 1
NOTICE
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1. Install shaft (9) onto engine oil pump (4). Use Tooling (A) and a suitable press in order to
install bearing (10) into idler gear (11). Position idler gear (11) on shaft (9). Install bolt (12)
and the washer.
2. Mount the engine oil pump (4) to the cylinder block by hand tightening the mounting bolts
(3) into the cylinder block.
Note: Ensure that the mounting surfaces for the engine oil pump are thoroughly clean.
3. Without the O-rings, assemble the outlet elbow (6) between the block and the oil pump,
using the washers and bolts (2) and (5). Hand tighten only.
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Caterpillar Cat 336D2 Excavator (Prefix WBC) Service Repair Manual (WBC00001 and up).pdf

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