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Product: WHEEL LOADER
Model: 924F WHEEL LOADER 4YN
Configuration: 924F Wheel Loader 4YN00001-UP (MACHINE) POWERED BY 3114 Engine
Disassembly and Assembly
446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F
Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders
Media Number -SENR3611-18
Publication Date -01/05/2009 Date Updated -27/05/2009
Aftercooler - Install
SMCS - 1063-012
Installation Procedure
Table 1
RequiredTools
A - Loctite Gasket Sealant No.2 -
B - Loctite C5-A Copper Anti-SeizeNOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear andshortened component life.
Note: Use a newgasket to install the aftercooler.
Illustration 1 g00746356
Note: Apply Tooling (A) to the threads of the bottom bolts before installation.
1. Install gasket (9) on the engine. Install aftercooler (10). Install bolts (8).
2. Tighten clamp (6) and tighten clamp (7).
Illustration 2
g00746355
3. Tighten clamp (4).
4. Connect coupling (5).
Illustration 3
Illustration 4
Note: Apply Tooling (B) to the threads of the exhaust elbow bolts.
5. Install exhaust elbow(1) and exhaust pipe (3). Install bolts(2).
6. Fill the cooling system. Refer to Operation and Maintenance Manual, SEBU7098, "Cooling System Level - Check" for the correct procedure. Copyright 1993 - 2021 Caterpillar Inc.
Product: WHEEL LOADER
Model: 924F WHEEL LOADER 4YN
Configuration: 924F Wheel Loader 4YN00001-UP (MACHINE) POWERED BY 3114 Engine
Disassembly and Assembly
446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F
Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders
Media Number -SENR3611-18
Aftercooler - Remove
Removal Procedure
Keep all parts clean from contaminants.
Contaminants may cause rapid wear andshortened component life.
Care must be taken to ensure that fluids are containedduring performance of inspection, maintenance, testing, adjusting, and repair of the product. Be preparedto 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 andsupplies suitable to collect and contain fluids on Cat products.
Dispose of all fluids according to local regulations and mandates.
At operating temperature, the engine coolant is hot and under pressure.
Steam can cause personal injury.
Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch withyour bare hand.
Remove the fill cap slowly to relieve pressure.
Cooling system conditioner contains alkali. Avoidcontact withthe skin and eyes to prevent personal injury.
Note: Put identification marks on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and tube assemblies. Thishelps to prevent fluid lossand this helpsto keep contaminantsfrom entering the system.
1. Drain the coolant from the cooling system into a suitable container for storage or disposal.
Illustration 2
Illustration 3
Illustration 4 g00746356
5. Loosen clamps (6) and (7).
6. Remove two top bolts (8) and install Tooling (A). Remove remaining bolts(8). Remove aftercooler (10).
7. Remove gasket (9) from aftercooler (10).
Product: WHEEL LOADER
Model: 924F WHEEL LOADER 4YN
Configuration: 924F Wheel Loader 4YN00001-UP (MACHINE) POWERED BY 3114 Engine
Disassembly and Assembly
446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F
Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders
Media Number -SENR3611-18 Publication
Air Compressor - Remove and Install
SMCS - 1803-010
Removal Procedure
Do not disconnect the air linesuntil the air pressure in the system is at zero. If hose is disconnectedunder pressure it cancause personal injury.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear andshortened component life.
NOTICE
Care must be taken to ensure that fluids are containedduring performance of inspection, maintenance, testing, adjusting, and repair of the product. Be preparedto 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 andsupplies suitable to collect and contain fluids on Cat products.
Dispose of all fluids according to local regulations and mandates.
1. Remove the air pressure from the air tank and drain the coolant from the cooling system.
Illustration 1
Typicalexample
g00484206
2. Disconnect hose assemblies(1), (2) and (9) from the air compressor. Remove tube assembly (4) from the air compressor.
3. Remove bolt (5) and the washer. Remove clamp (7) from tube assembly for the breather. Move the tube assembly for the breather aside.
4. Remove bolts (3) and the washers that hold the air compressor to the timing gear housing.
5. Remove bolts (6) and remove air compressor (8) and the gasket from the engine.
Installation Procedure
Table 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear andshortened component life.
Note: Check the condition of the gaskets and O-ring seals. If gaskets or O-ring sealsare damaged, use new parts for replacement.
Illustration 2
Typicalexample
g00484206
1. Use bolts(3) and the washers to install air compressor (8). Apply Tooling (A) to the threads of bolts (6). Torque bolts(6) to 160 ± 30 N·m (118 ± 22 lb ft).
2. Install clamp (7) for the tube assembly for the breather with bolt (5) and the washer.
3. Install tube assembly (4) and connect hose assemblies(9), (2) and (1) to air compressor (8).
Copyright 1993 - 2021 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees.
Wed Apr 28 03:05:22 UTC+0530 2021
Product: WHEEL LOADER
Model: 924F WHEEL LOADER 4YN
Configuration: 924F Wheel Loader 4YN00001-UP (MACHINE) POWERED BY 3114 Engine
Disassembly and Assembly
446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F
Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders
Media Number -SENR3611-18
Air Compressor Drive Gear - Remove and Install
SMCS - 1803-010-GE
Removal Procedure
Table 1 Required Tools
Start By:
A. Remove the air compressor. NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear andshortened component life.
1
1. Temporarily install air compressor (1) with bolts(2) . Remove cover plate (3) .
Illustration 2
g03196337
2. Loosen nut (2) . Remove bolts(2) and remove air compressor (1) .
Illustration 3
3. Remove nut (4) .
g03196436
Illustration 4
g03196416
4. Use Tooling (A) in order to remove gear (5) .
Installation Procedure
Illustration 5
g03196438
1. Clean the inside diameter of gear (5) and the shaft. Lube the washer and the shaft thread with engine oil. Position drive gear (5) on the air compressor, and install the washer and nut (4) . Tighten nut (4) hand tight.
6
2. Install air compressor (1) and bolts (2) . Keep the engine from turning and tighten nut (4) to a torque of 170 ± 15 N·m (125 ± 11 lb ft)
Illustration 7
g03196477
3. Install Tooling (B) onto nut (4) and tap one time a hammer.
Illustration 8
g03196516
4. Keep the engine from turning and tighten nut (4) to a torque of170 ±15 N·m (125 ± 11 lb ft)
Illustration 9
5. Install cover plate (3) .
End By: Install the air compressor.
g03196496
Copyright 1993 - 2021 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Wed Apr 28 03:05:36 UTC+0530 2021
Product: WHEEL LOADER
Model: 924F WHEEL LOADER 4YN
Configuration: 924F Wheel Loader 4YN00001-UP (MACHINE) POWERED BY 3114 Engine
Disassembly and Assembly
446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F
Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders
Media Number -SENR3611-18
Alternator - Remove and Install SMCS - 1405-010
Removal Procedure Table 1 Required Tools
Note: Release the tension on the belt at the belt tightener, if the engine is not equipped with a belt tensioner.
1. Use Tooling (A) to release the tension on belt tensioner (5).
2. Remove drive belt (4) from the drive pulley on alternator (3).
3. Place an index mark on the wires of harness assembly (1) that are connected to the alternator. Disconnect harnessassembly (1) from the alternator.
4. Remove bolts (2).
5. Remove alternator (3) from the mounting bracket.
Installation Procedure
Illustration 2
Typicalexample
1. Position alternator (3) on the mounting bracket. Install bolts (2).
2. Use Tooling (A) to install drive belt (4) on the drive pulley of the alternator.
Note: Adjust the tension on the drive belt if the engine is not equipped with a belt tensioner. Refer to the Operation and Maintenance Manual for the correct adjusting procedure.
3. Connect harness assembly (1) to the alternator. Use the index marksto correctly connect the harness assembly. Tighten the mounting bolt for the ground wire to a torque of 6.2 ± 0.6 N·m (54 ±5 lb in). Tighten the mounting bolt for the battery wire to a torque of 11.3 ± 2.3 N·m (100 ± 20 lb in). Copyright 1993 - 2021 Caterpillar Inc.
Network For SIS Licensees. Wed Apr 28 03:04:56 UTC+0530 2021
Product: WHEEL LOADER
Model: 924F WHEEL LOADER 4YN
Configuration: 924F Wheel Loader 4YN00001-UP (MACHINE) POWERED BY 3114 Engine
Disassembly and Assembly
446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F
Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders
Media Number -SENR3611-18
Bearing Clearance - Check
SMCS - 1203-535; 1219-535
Measurement Procedure
Table 1
Required Tools
Gauge (Green)
to 0.076 mm
to 0.003 inch)
Plastic Gauge (Red)
to 0.152 mm (0.002 to 0.006 inch)
Plastic Gauge (Blue) 0.102 to 0.229 mm (0.004 to 0.009 inch)
Plastic Gauge (Yellow)
0.230 to 0.510 mm (0.009 to 0.020 inch)
Note: Plastic gauge may not be necessary when the engine is in the chassis.
Keep all parts clean from contaminants.
Contaminants may cause rapid wear andshortened component life.
Note: Cat does not recommend the checking of the actual bearing clearancesparticularly on small engines. This is because of the possibility of obtaining inaccurate resultsand the possibility of damaging the bearing or the journal surfaces. Each Cat engine bearing is quality checked for specific wall thickness.
Note: The measurements should be within specifications and the correct bearings should be used. If the crankshaft journals and the bores for the block and the rods were measured during disassembly, no further checks are necessary. However, if the technician still wants to measure the bearing clearances, Tooling (A) is an acceptable method. Tooling (A) is less accurate on journals with small diameters if clearances are less than 0.10 mm (0.004 inch).
NOTICE
Lead wire, shim stock or a dial bore gauge can damage the bearing surfaces.
The technician must be very careful to use Tooling (A) correctly. The following points must be remembered:
• Ensure that the backs of the bearings and the bores are clean and dry.
• Ensure that the bearing locking tabs are properly seated in the tab grooves.
• The crankshaft must be free of oil at the contact pointsof Tooling (A).
1. Put a piece of Tooling (A) on the crown of the bearing that is in the cap.
Note: Do not allow Tooling (A) to extend over the edge of the bearing.
2. Use the correct torque-turn specifications in order to install the bearing cap. Do not use an impact wrench. Be careful not to dislodge the bearing when the cap is installed.
Note: Do not turn the crankshaft when Tooling (A) is installed.
3. Carefully remove the cap, but do not remove Tooling (A). Measure the width of Tooling (A) while Tooling (A) is in the bearing cap or on the crankshaft journal. Refer to Illustration 1.
Illustration 1 g01152855
TypicalExample
4. Remove all of Tooling (A) before you install the bearing cap.
Note: When Tooling (A) is used, the readings can sometimes be unclear. For example, all partsof Tooling (A) are not the same width. Measure the major width in order to ensure that the partsare within the specification range. Refer to Specifications Manual, "Connecting Rod Bearing Journal" and SpecificationsManual, "Main Bearing Journal" for the correct clearances.
Copyright 1993 - 2021 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Wed Apr 28 03:03:04 UTC+0530 2021
Product: WHEEL LOADER
Model: 924F WHEEL LOADER 4YN
Configuration: 924F Wheel Loader 4YN00001-UP (MACHINE) POWERED BY 3114 Engine
Disassembly and Assembly
446 and 446B Backhoe Loaders, Lexion 450 Combine, 3114 and 3116 Engines, IT18F
Integrated Toolcarrier, D6M Track-Type Tractor and 928F, 950F and 950G Wheel Loaders
Media Number -SENR3611-18
Publication Date -01/05/2009 Date Updated -27/05/2009
Belt Tensioner - Remove and Install
SMCS - 1358-010
Removal Procedure
Illustration 1
1. Use a breaker bar to release the tension on belt tensioner (1). Remove the drive belt.
2. Remove bolt (2) and belt tensioner (1).
