Service Repair Manual
Models
257 Multi Terrain Loader
247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
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Shutdown SIS Previous Screen Product: MULTI TERRAIN LOADER Model: 257 MULTI TERRAIN LOADER CMM Configuration: 247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly 3034 Engine for Caterpillar Built Machines Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
i04406242
Flywheel - Remove SMCS - 1156-011
Removal Procedure Table 1 Required Tools Tool
Part Number
A
138-7575
Part Description
Qty
Link Bracket
1
Start By: A. Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 1
g00823171
1. Remove two bolts (2) that are opposite each other from flywheel (1) . 2. Install two guide bolts (3) . 3. Remove the remaining six bolts (2) from flywheel (1) . 4. Use Tool (A) and a suitable lifting device to remove flywheel (1) from the engine.
Removal Procedure for the Flywheel Ring Gear
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 2
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g00823145
1. Check the teeth of the flywheel ring gear (1) for wear or damage. If the teeth of the flywheel ring gear (1) are worn or damaged, replace the flywheel ring gear. Note: For proper installation, record the direction of the chamfer (View A) of the teeth of the flywheel ring gear . 2. Use a hammer and a punch in order to remove the flywheel ring gear (1) from flywheel (2) . Note: Ensure that the flywheel is not damaged during this procedure. Copyright 1993 - 2019 Caterpillar Inc.
Tue Nov 12 23:20:40 UTC+0800 2019
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Shutdown SIS Previous Screen Product: MULTI TERRAIN LOADER Model: 257 MULTI TERRAIN LOADER CMM Configuration: 247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly 3034 Engine for Caterpillar Built Machines Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
i04406243
Flywheel - Install SMCS - 1156-012
Installation Procedure for the Flywheel Ring Gear
Always wear protective gloves when handling parts that have been heated.
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 1
g00823145
1. Heat flywheel ring gear (1) to a temperature of 250 °C (480 °F). Note: Do not use a torch to heat the flywheel ring gear. 2. Install flywheel ring gear (1) on flywheel (2) . Note: Ensure that the chamfer of the flywheel ring gear is in the correct position on the flywheel.
Installation Procedure of the Flywheel Table 1 Required Tools Tool
Part Number
A
138-7575
Part Description
Qty
Link Bracket
1
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 2
3/3
g00823171
1. Use Tool (A) and a suitable lifting device to put flywheel (1) in position over guide bolts (3) on the end of the crankshaft. 2. Install bolts (2) in flywheel (1) . 3. Remove guide bolts (3) from flywheel (1) . 4. Install the remaining bolts (2) in flywheel (1) . 5. Tighten bolts (2) to a torque of 100 N·m (74 lb ft). 6. Remove Tool (A) and the lifting device from flywheel (1) . End By: Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install". Copyright 1993 - 2019 Caterpillar Inc.
Tue Nov 12 23:21:36 UTC+0800 2019
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
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Shutdown SIS Previous Screen Product: MULTI TERRAIN LOADER Model: 257 MULTI TERRAIN LOADER CMM Configuration: 247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly 3034 Engine for Caterpillar Built Machines Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
i01317165
Crankshaft Rear Seal - Remove SMCS - 1161-011
Removal Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
A
1U-8145
Drill Bit (1)
1
B
1U-7600
Slide Hammer Puller
1
(1)
4.10 mm (0.161 inch)
Start By: A. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - 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
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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
g00578236
NOTICE Do not damage the flange on the crankshaft when the crankshaft oil seal is removed or installed. Damage to the crankshaft can result if the proper tool is not used.
1. Use Tool (A) to carefully drill three evenly spaced holes in crankshaft rear seal (1) . 2. Insert Tool (B) into one of the three holes in order to remove crankshaft rear seal (1) . 3. Remove crankshaft rear seal (1) by carefully alternating the position of Tool (B) from hole to hole. This will allow the crankshaft rear seal to be removed evenly without damage to the rear flange surface of the crankshaft. Copyright 1993 - 2019 Caterpillar Inc.
Tue Nov 12 23:22:32 UTC+0800 2019
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
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Shutdown SIS Previous Screen Product: MULTI TERRAIN LOADER Model: 257 MULTI TERRAIN LOADER CMM Configuration: 247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly 3034 Engine for Caterpillar Built Machines Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
i01121453
Crankshaft Rear Seal - Install SMCS - 1161-012
Installation Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
159-9071
Seal Installer
1
159-9076
Seal Installer Handle
1
A
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
1. Clean the recess in the cylinder block that is for the crankshaft rear seal. Lubricate the rubber lip of the crankshaft rear seal with clean engine oil.
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 1
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g00592724
2. Put crankshaft rear seal (1) in position on the engine. 3. Use Tool (A) and a hammer to install crankshaft rear seal (1). Crankshaft rear seal (1) will protrude from the cylinder block 1.5 mm (0.06 inch) (X) when crankshaft rear seal (1) is properly installed. End By: Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install". Copyright 1993 - 2019 Caterpillar Inc.
Tue Nov 12 23:23:28 UTC+0800 2019
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
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Shutdown SIS Previous Screen Product: MULTI TERRAIN LOADER Model: 257 MULTI TERRAIN LOADER CMM Configuration: 247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly 3034 Engine for Caterpillar Built Machines Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
i01586943
Flywheel Housing - Remove and Install SMCS - 1157-010
Removal Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
A
138-7573
Link Bracket
2
Start By: A. Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel - Remove".
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
1. Support the engine on a flat level surface forward of the flywheel housing.
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 1
2/3
g00823577
2. Attach Tool (A) and a suitable lifting device to flywheel housing (2) . 3. Remove bolts (1) from the flywheel housing. 4. Remove flywheel housing (2) from the engine. It may be necessary to hit flywheel housing (2) with a soft faced hammer in order to slide the flywheel housing off the dowels.
Installation Procedure Table 2 Required Tools Tool
Part Number
Part Description
Qty
A
138-7573
Link Bracket
2
NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
1. Make sure that the rear face of the cylinder block and the faces of the flywheel housing are clean and free from damage.
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 2
3/3
g00823577
2. Attach Tool (A) and a suitable lifting device to flywheel housing (2) . 3. Put flywheel housing (2) in position on the cylinder block. The dowels in the cylinder block must be aligned with the dowel holes in the flywheel housing. 4. Install bolts (1) and tighten the bolts evenly to a torque of 78 N·m (58 lb ft). 5. Remove the lifting device and Tool (A) from the engine. End By: Install the flywheel. Refer to Disassembly and Assembly, "Flywheel - Install". Copyright 1993 - 2019 Caterpillar Inc.
Tue Nov 12 23:24:24 UTC+0800 2019
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
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Shutdown SIS Previous Screen Product: MULTI TERRAIN LOADER Model: 257 MULTI TERRAIN LOADER CMM Configuration: 247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly 3034 Engine for Caterpillar Built Machines Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
i01349967
Crankshaft Pulley - Remove and Install SMCS - 1205-010
Removal Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
1. Loosen the bolts for the alternator and slide the alternator toward the engine in order to remove the V-belt from the engine.
Illustration 1
g00577717
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
2. Remove bolt (1) and washer (2) from the crankshaft. 3. Remove crankshaft pulley (3) from the engine.
Installation Procedure NOTICE Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.
1. Thoroughly clean the following components: keyway, key, bore of the crankshaft pulley, end of the crankshaft and washer.
Illustration 2
g00577717
2. Put crankshaft pulley (3) in position on the engine. 3. Inject a 3 mm (0.12 inch) bead of 8T-9022 Silicone Gasket into the crevice between the crankshaft and the crankshaft pulley. Please refer to illustration 3.
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
Illustration 3
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g00712512
4. Lubricate bolt (1) with clean engine oil. 5. Install washer (2) and bolt (1) in the crankshaft. Tighten bolt (1) to a torque of 185 N·m (136 lb ft). 6. Put the V-belt in position on the engine. 7. Slide the alternator away from the engine in order to tension the alternator V-belt. Tighten the bolts for the alternator. For more information on the tension for the alternator V-belt, refer to the Testing and Adjusting Module, "Belt Tension Chart". Copyright 1993 - 2019 Caterpillar Inc.
Tue Nov 12 23:25:19 UTC+0800 2019
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
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Shutdown SIS Previous Screen Product: MULTI TERRAIN LOADER Model: 257 MULTI TERRAIN LOADER CMM Configuration: 247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 Engine
Disassembly and Assembly 3034 Engine for Caterpillar Built Machines Media Number -SENR5013-08
Publication Date -01/11/2008
Date Updated -14/11/2008
i01098817
Crankshaft Front Seal - Remove SMCS - 1160-011
Removal Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
A
1U-8145
Drill Bit (1)
1
B
1U-7600
Slide Hammer Puller
1
(1)
4.10 mm (0.161 inch)
Start By: A. Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley Remove and Install".
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
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247 257 Multi Terrain Loader CMM00001-UP (MACHINE) POWERED BY 3034 En...
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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
g00577727
1. Use Tool (A) to carefully drill three evenly spaced holes in crankshaft front seal (1) . 2. Insert Tool (B) into one of the three holes in order to remove crankshaft front seal (1) .
NOTICE Ensure that the main lip is used in order to remove the crankshaft front seal. Do not damage the edge of the housing for the crankshaft front seal.
3. Remove crankshaft front seal (1) carefully by alternating the position of Tool (B) from hole to hole. This will allow the crankshaft front seal to be removed evenly without damage to the flange surface of the crankshaft. Copyright 1993 - 2019 Caterpillar Inc.
Tue Nov 12 23:26:15 UTC+0800 2019
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