Service Repair Manual
Models
140G Motor Grader
140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENG...
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Shutdown SIS Previous Screen Product: MOTOR GRADER Model: 140G MOTOR GRADER 72V Configuration: 140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09
Publication Date -01/01/2013
Date Updated -25/01/2013
i01037991
Camshaft - Remove and Install SMCS - 1210-010
Removal Procedure Start By: A. Remove the valve lifters. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install". B. Remove the timing gear cover. Refer to Disassembly and Assembly, "Front Housing Remove".
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
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140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENG...
Illustration 1
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g00476744
1. Turn the crankshaft to top center compression stroke for the No. 1 piston. The "C" mark on the crankshaft gear will be aligned with the "C" mark on the camshaft gear.
Illustration 2
g00476743
Note: Put a mark on the teeth of the fuel injection pump drive gear and the idler gear at location (A). This will help to keep the engine timing correct during the removal and the installation of the camshaft. Put a mark on the teeth of the idler gear and camshaft gear (2) at location (B). When the camshaft is installed, the engine timing will be correct when the mark at location (A) is aligned with the mark at location (B) and the "C" mark on the crankshaft gear is aligned with the "C" mark on the camshaft gear. 2. Remove the bolts, the lock and washer (1) .
Illustration 3
g00535590
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NOTICE Do not damage the lobes or the bearings when the camshaft is removed.
3. Carefully remove camshaft (3) from the engine. 4. If necessary, remove the bolts that hold camshaft drive gear (2) to the camshaft and remove the gear.
Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
Illustration 4
g00535590
1. Put camshaft drive gear (2) in position on the end of camshaft (3). Install the bolts that hold camshaft drive gear (2) to camshaft (3). Tighten the bolts to a torque of 55 ± 7 N·m (41 ± 5 lb ft).
NOTICE Do not damage the lobes or the bearings when the camshaft is installed.
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2. Put 8T-2998 Camshaft Lubricant on the camshaft lobes only and put clean engine oil on the bearing journals. Note: During the installation of camshaft (3), rotate the camshaft in both directions in order to prevent binding in the camshaft bearing bores. 3. Carefully install camshaft (3) into the engine.
Illustration 5
g00476743
Illustration 6
g00476744
4. Make sure that the mark on the teeth of the fuel injection pump drive gear and the idler gear are in alignment at location (A). Make sure that the mark on the teeth of the idler gear and camshaft gear (2) are in alignment at location (B). Align the "C" marks on the crankshaft gear and camshaft gear (2). When all of the timing marks are in alignment the engine timing is correct.
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5. Install washer (1), the lock and the two bolts that hold the camshaft in position in the engine. End By: a. Install the valve lifters. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install". b. Install the timing gear cover. Refer to Disassembly and Assembly, "Front Housing - Install". Copyright 1993 - 2020 Caterpillar Inc.
Tue Feb 25 00:47:13 UTC+0800 2020
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Shutdown SIS Previous Screen Product: MOTOR GRADER Model: 140G MOTOR GRADER 72V Configuration: 140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09
Publication Date -01/01/2013
Date Updated -25/01/2013
i02473351
Camshaft Bearings - Remove and Install SMCS - 1211-010
Removal Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
8S-2241
Camshaft Bearing Tool Group
1
Ratchet Wrench
1
A 8H-0684 Start By: A. Remove the Flywheel Housing. Refer to Disassembly and Assembly, "Flywheel Housing Remove and Install". B. Remove the Oil Pan Plate. Refer to Disassembly and Assembly, "Oil Pan Plate - Remove and Install". C. Remove the Camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install".
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
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140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENG...
Illustration 1
g00478567
1. Use Tool (A) to remove the camshaft bearing from the cylinder block. Start with the front bearings and work to the rear bearing.
Installation Procedure Table 2 Required Tools Tool
Part Number
Part Description
Qty
8S-2241
Camshaft Bearing Tool Group
1
Ratchet Wrench
1
A 8H-0684
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
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Illustration 2
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g00478567
1. Use Tool (A) to install the camshaft bearings in the 3304B and 3306B cylinder block. Note: The camshaft bearings in the 3304B have pressure lubrication. The intermediate camshaft bearings and the rear camshaft bearings in the 3306B have splash lubrication. 2. Install the camshaft bearings in the 3304B cylinder block, as follows: (a) Install the front bearing to a depth of 0.57 ± 0.5 mm (0.022 ± 0.02 inch). Ensure that the oil holes are in a horizontal position and that the camshaft bearing joint is at the top of the engine. The camshaft bearing joint can not be more than 15° degrees from vertical in either direction. (b) Install the center bearing to a depth of 303.2 ± 0.5 mm (11.94 ± 0.02 inch). Ensure that the oil holes in the camshaft bearing are in alignment with the oil holes in the cylinder block. (c) Install the rear bearing to a depth of 604.9 ± 0.5 mm (23.81 ± 0.02 inch). Ensure that the oil holes in the camshaft bearing are in alignment with the oil holes in the cylinder block.
Illustration 3
g00478822
1. Install the camshaft bearings in the 3306B cylinder block, as follows: 2. Install front bearing (B) to a depth of 0.5 ± 0.5 mm (.02 ± .02 inch). Ensure that the oil holes are in a horizontal position and that the camshaft bearing joint is at the top of the engine. The camshaft bearing joint cannot be more than 15 degrees from the vertical position in either direction. 3. Install the remainder of the bearings. Install the bearings to the dimensions that are given from the front face of the cylinder block: (C) 154.0 ± 0.5 mm (6.06 ± .02 inch), (D) 303.2 ±
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0.5 mm (11.94 ± .02 inch), (E) 601.7 ± 0.5 mm (23.69 ± .02 inch) and (F) 903.4 ± 0.5 mm (35.57 ± .02 inch). End By: a. Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install". b. Install the oil pan plate. Refer to Disassembly and Assembly, "Engine Oil Pan Plate Remove and Install". c. Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing Remove and Install". Copyright 1993 - 2020 Caterpillar Inc.
Tue Feb 25 00:48:08 UTC+0800 2020
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Shutdown SIS Previous Screen Product: MOTOR GRADER Model: 140G MOTOR GRADER 72V Configuration: 140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09
Publication Date -01/01/2013
Date Updated -25/01/2013
i00974130
Engine Oil Pan - Remove and Install SMCS - 1302-010
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 machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates.
1. Drain the engine oil from the engine into a suitable container for storage or disposal.
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140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENG...
Illustration 1
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g00541041
2. Loosen nut (4) and move the overflow tube away from the oil level gauge guide. Loosen nut (3) and remove the oil level gauge guide from the engine. 3. Remove bolts (1) and the washers that hold the engine oil pan in position. Remove engine oil pan (2) and the gasket from the engine oil pan plate.
Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
Illustration 2
g00541041
1. Put the gasket and engine oil pan (2) in position on the engine oil pan plate. Install bolts (1) and the washers that hold the engine oil pan in position.
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2. Install the oil level gauge guide and tighten nut (3). Fasten the overflow tube to the oil level gauge guide and tighten nut (4) . 3. Fill the crankcase with engine oil to the proper level. Refer to Operation and Maintenance Manual, "Refill Capacities". Copyright 1993 - 2020 Caterpillar Inc.
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Shutdown SIS Previous Screen Product: MOTOR GRADER Model: 140G MOTOR GRADER 72V Configuration: 140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09
Publication Date -01/01/2013
Date Updated -25/01/2013
i01111802
Engine Balancer Shaft - Remove and Install SMCS - 1220-010-JF
Removal Procedure Start By: A. Remove the front housing cover. Refer to Disassembly and Assembly, "Front Housing Cover - Remove". B. Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump Remove".
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.
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140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENG...
Dispose of all fluids according to local regulations and mandates.
Note: The oil pan plate has been removed for photo purposes only.
Illustration 1
g00590442
1. Remove plates (2) that hold the balancer shaft in the cylinder block. 2. Remove balancer shafts (1) from the cylinder block.
Installation Procedure
Illustration 2
g00590449
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
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1. Install the balancer shafts in each side of the cylinder block. 2. Install plates (2) and the bolts that hold the balancer shafts in position in the cylinder block. Note: Ensure that the balancer shafts are in time before the oil pump is installed. End By: a. Install the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump Install". b. Install the front housing cover. Refer to Disassembly and Assembly, "Front Housing Cover - Install". Copyright 1993 - 2020 Caterpillar Inc.
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Shutdown SIS Previous Screen Product: MOTOR GRADER Model: 140G MOTOR GRADER 72V Configuration: 140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09
Publication Date -01/01/2013
Date Updated -25/01/2013
i01135419
Engine Balancer Shaft Bearings - Remove and Install SMCS - 1220-010-BD
Removal Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
8S-2241
Camshaft Bearing Tool Group
1
Ratchet Wrench
1
A 8H-0684 Start By: A. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan Remove". B. Remove the balancer shaft. Refer toDisassembly and Assembly, "Balancer Shaft Remove". C. Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing Remove" .
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.
Illustration 1
g00602186
Use Tool (A) to remove the six balancer shaft bearing. Pull the balancer shaft bearings toward the flywheel end of the engine.
Installation Procedure
Illustration 2
g00602186
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140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENG...
Illustration 3
g00602205
(A) The front bearing depth is 0.8 ± 0.5 mm (0.03 ± 0.02 inch). (B) The center bearing depth is 290.6 ± 0.5 mm (11.44 ± 0.02 inch). (C) The rear bearing depth is 601.0 ± 0.5 mm (23.66 ± 0.02 inch).
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.
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1. Install the balancer shaft front bearing with Tool (A). Ensure that the holes in the bearings are aligned with the holes in the cylinder block. The bearing must be 0.8 ± 0.5 mm (0.03 ± 0.02 inch) inside the front face of the cylinder block after installation. 2. Install the balancer shaft center bearing with Tool (A). Ensure that the holes in the bearings are aligned with the holes in the cylinder block. The bearing must be 290.6 ± 0.5 mm (11.44 ± 0.02 inch) inside the front face of the cylinder block after installation. 3. Install the balancer shaft rear bearing with Tool (A). Ensure that the holes in the bearings are aligned with the holes in the cylinder block. The bearing must be 601.0 ± 0.5 mm (23.66 ± 0.02 inch) inside the front face of the cylinder block after installation. 4. Check the bore of the bearings. The balancer shaft bearing bore must be 53.05 ± 0.06 mm (2.089 ± 0.002 inch) after installation. End By: a. Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing Install" . b. Install the balancer shaft. Refer to Disassembly and Assembly, "Balancer Shaft - Remove and Install". c. Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install". Copyright 1993 - 2020 Caterpillar Inc.
Tue Feb 25 00:50:55 UTC+0800 2020
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Shutdown SIS Previous Screen Product: MOTOR GRADER Model: 140G MOTOR GRADER 72V Configuration: 140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly 3304B and 3306B Engines for Caterpillar Built Machines Media Number -SENR5598-09
Publication Date -01/01/2013
Date Updated -25/01/2013
i00912474
Cylinder Liner - Remove SMCS - 1216-011
Removal Procedure Table 1 Required Tools Tool
A
Part Number
Part Description
Qty
8T-0812
Cylinder Liner Puller
1
1U-6317
Bridge
1
1U-6319
Socket
1
Start By: A. Remove the spacer plate. Refer to Disassembly and Assembly, "Spacer Plate - Remove and Install". B. Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump Remove".
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
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140G MOTOR GRADER 72V00823-04230 (MACHINE) POWERED BY 3306 ENG...
Illustration 1
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g00474523
1. Turn the crankshaft until two of the pistons are at the bottom center. Remove two connecting rod cap bolts (2) from each rod. Remove connecting rod caps (4) . 2. Tap connecting rod (3) away from the crankshaft with a soft hammer. Remove bearing half (1) .
Illustration 2
g00474623
3. Use tool (A) to remove cylinder liners (5) . 4. Remove the pistons and connecting rods from the cylinder liners. Copyright 1993 - 2020 Caterpillar Inc.
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