4D8472 LOCK Caterpillar parts
16, 641B, 650B, 657B, 772, 773, 777, 992, D10, D346, D348, D349
Rating:
Alternative (cross code) number:
CA4D8472
4D-8472
4D8472
CA4D8472
4D-8472
4D8472
Weight: 0.05 pounds 0 kg.
INDUSTRIAL ENGINE, WHEEL TRACTOR,
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Compatible equipment models: 4D8472:
Information:
Emulsion is a mixture of oil and water. The water occurs when condensation forms in the engine during certain operating and seasonal conditions. The emulsion may appear light in color. Emulsion may be found in the following areas:
Engine oil filler
Engine oil level gauge
Valve cover
Crankcase ventilation systemThe emulsion should disappear with increased engine operating temperatures at higher load conditions.Probable Causes
Leaks in the core of oil cooler
Cracks in the turbocharger housing or center section
Leaks in the cylinder head gasket
Damaged water seals
Cracks in the cylinder head
Cracks in a cylinder liner
Liner seals
Cracks in the cylinder blockRecommended Actions
Table 1
Troubleshooting Test Steps Values Results
1. Leaks in the Cooling System
A. Pressurize the cooling system. Refer to Systems Operation/Testing and Adjusting, "Cooling System - Test".
Leaks
Result: The test indicates a drop in pressure.
If there are no external leaks, there may be an internal leak.
Make any repairs, as required.
Result: The test indicates that there is not a drop in pressure.
Proceed to Test Step 2.
2. Leaks in Core of Oil Cooler
A. Check for leaks in the oil cooler core.
Oil cooler
Result: The oil cooler is leaking.
Repair or replace the oil cooler.
Result: The oil cooler is not leaking.
Proceed to Test Step 3.
3. Liquid Cooled Turbochargers
A. Inspect the turbocharger housing and center section for cracks.
Turbocharger
Result The turbocharger housing or center section has cracks.
Make any repairs, as required.
Result The turbocharger housing or center section does not have cracks.
Proceed to Test Step 4.
4. Leaks in the Cylinder Head Gasket
A. Inspect the cylinder head gasket for leaks.
Head gasket
Result The cylinder head gasket is leaking.
Replace the cylinder head gasket.
Result The cylinder head gasket is not leaking.
Proceed to Test Step 5.
5. Damaged Water Seals
A. Inspect the water seal for damage.
Water seals
Result The water seal is damaged.
Repair or replace the damaged seal.
Result The water seal is not damaged.
Proceed to Test Step 6.
6. Cracks in the Cylinder Head
A. Check for cracks in the cylinder head.
Cylinder head
Result The cylinder head is damaged.
Repair or replace the damaged cylinder head.
Result The cylinder head is not damaged.
Proceed to Test Step 7.
7. Cracks in a Cylinder Liner
A. Check for cracked cylinder liners.
B. Check the liner seals for damage.
Cylinder liner and seals
Result The cylinder liner or seal is damaged or cracked.
Repair or replace the damaged cylinder liner and seal.
Result The cylinder liner or seal is not damaged or cracked.
Proceed to Test Step 8.
8. Cracks in the Cylinder Block
A. Inspect the cylinder block for cracks.
Cylinder liner
Result The cylinder block is cracked.
Repair or replace the damaged cylinder block.
Engine oil filler
Engine oil level gauge
Valve cover
Crankcase ventilation systemThe emulsion should disappear with increased engine operating temperatures at higher load conditions.Probable Causes
Leaks in the core of oil cooler
Cracks in the turbocharger housing or center section
Leaks in the cylinder head gasket
Damaged water seals
Cracks in the cylinder head
Cracks in a cylinder liner
Liner seals
Cracks in the cylinder blockRecommended Actions
Table 1
Troubleshooting Test Steps Values Results
1. Leaks in the Cooling System
A. Pressurize the cooling system. Refer to Systems Operation/Testing and Adjusting, "Cooling System - Test".
Leaks
Result: The test indicates a drop in pressure.
If there are no external leaks, there may be an internal leak.
Make any repairs, as required.
Result: The test indicates that there is not a drop in pressure.
Proceed to Test Step 2.
2. Leaks in Core of Oil Cooler
A. Check for leaks in the oil cooler core.
Oil cooler
Result: The oil cooler is leaking.
Repair or replace the oil cooler.
Result: The oil cooler is not leaking.
Proceed to Test Step 3.
3. Liquid Cooled Turbochargers
A. Inspect the turbocharger housing and center section for cracks.
Turbocharger
Result The turbocharger housing or center section has cracks.
Make any repairs, as required.
Result The turbocharger housing or center section does not have cracks.
Proceed to Test Step 4.
4. Leaks in the Cylinder Head Gasket
A. Inspect the cylinder head gasket for leaks.
Head gasket
Result The cylinder head gasket is leaking.
Replace the cylinder head gasket.
Result The cylinder head gasket is not leaking.
Proceed to Test Step 5.
5. Damaged Water Seals
A. Inspect the water seal for damage.
Water seals
Result The water seal is damaged.
Repair or replace the damaged seal.
Result The water seal is not damaged.
Proceed to Test Step 6.
6. Cracks in the Cylinder Head
A. Check for cracks in the cylinder head.
Cylinder head
Result The cylinder head is damaged.
Repair or replace the damaged cylinder head.
Result The cylinder head is not damaged.
Proceed to Test Step 7.
7. Cracks in a Cylinder Liner
A. Check for cracked cylinder liners.
B. Check the liner seals for damage.
Cylinder liner and seals
Result The cylinder liner or seal is damaged or cracked.
Repair or replace the damaged cylinder liner and seal.
Result The cylinder liner or seal is not damaged or cracked.
Proceed to Test Step 8.
8. Cracks in the Cylinder Block
A. Inspect the cylinder block for cracks.
Cylinder liner
Result The cylinder block is cracked.
Repair or replace the damaged cylinder block.
Cat SIS web machinery list:
Parts lock Caterpillar catalog:
1S8468
LOCK
657, 657B, 666, 769, 772, 834, 992, D9G, D9H
657, 657B, 666, 769, 772, 834, 992, D9G, D9H
9S1325
LOCK
16, 16G, 561D, 651, 657, 768B, 769, 769C, 772, 773, 955H
16, 16G, 561D, 651, 657, 768B, 769, 769C, 772, 773, 955H
5F9963
LOCK
16, 621, 621B, 623B, 627, 627B, 630B, 631B, 631C, 631D, 633D, 637, 637B, 637D, 639D, 641B, 650B, 651, 651B, 657, 657B, 666, 769, 834, 992, D8H, D9G
16, 621, 621B, 623B, 627, 627B, 630B, 631B, 631C, 631D, 633D, 637, 637B, 637D, 639D, 641B, 650B, 651, 651B, 657, 657B, 666, 769, 834, 992, D8H, D9G
4M8667
LOCK
641, 651, 657, 657B, 666, 769, 772, 834, 992
641, 651, 657, 657B, 666, 769, 772, 834, 992
5M9416
LOCK
16, 631C, 657, 769, 824B, 834, 988
16, 631C, 657, 769, 824B, 834, 988
5M1726
LOCK
641B, 777, 824, 824B, 988
641B, 777, 824, 824B, 988
8S2719
LOCK
641B, 650B, 657B, 772, 773, 992
641B, 650B, 657B, 772, 773, 992
6K0079
LOCK
508, 518, 518C, 528, 528B, 530B, 814, 920, 930, 930R, 950, 966C, 966R, 980B, 992, FB518
508, 518, 518C, 528, 528B, 530B, 814, 920, 930, 930R, 950, 966C, 966R, 980B, 992, FB518
2M3341
LOCK
16, 651, 657, 666, 768B, 769, 772, 773
16, 651, 657, 666, 768B, 769, 772, 773
8M7159
LOCK
824, 824B, 825B, 834, 988, 992
824, 824B, 825B, 834, 988, 992
9M2126
LOCK
16, 769, 772, 824B, 825B, 834, 988, 992
16, 769, 772, 824B, 825B, 834, 988, 992
8M5408
LOCK
16, 824, 824B, 834, 988
16, 824, 824B, 834, 988
2S2314
LOCK
14G, 16G, 235, 235C, 641B, 650B, 657B, 772, 773, 777, 992, D10, D346, D348, D349
14G, 16G, 235, 235C, 641B, 650B, 657B, 772, 773, 777, 992, D10, D346, D348, D349
2A2376
LOCK
127, 128, 129, 16, 571G, 572G, 583H, 583K, 619, D348, D6C, D6D, D6D SR, D6E SR, D6G SR, D9H
127, 128, 129, 16, 571G, 572G, 583H, 583K, 619, D348, D6C, D6D, D6D SR, D6E SR, D6G SR, D9H
2S4447
LOCK
641B, 650B, 772, 777, 992, D10, D346, D348, D349
641B, 650B, 772, 777, 992, D10, D346, D348, D349
7L0119
LOCK
1673C, 3306, 3406, G3306
1673C, 3306, 3406, G3306
4S5480
LOCK
641B, 650B, 657B, 772, 773, 992, D348, D349
641B, 650B, 657B, 772, 773, 992, D348, D349
4M4419
LOCK
12E, 12F, 14E, 1673, 1673B, 1673C, 3304, 3306, 518, 561B, 561C, 627, 637, 641B, 650B, 657B, 772, 773, 777, 815, 920, 930, 941, 950, 951B, 955H, 955K, 955L, 966C, 977H, 977K, 980B, 992, D10, D330B, D33...
12E, 12F, 14E, 1673, 1673B, 1673C, 3304, 3306, 518, 561B, 561C, 627, 637, 641B, 650B, 657B, 772, 773, 777, 815, 920, 930, 941, 950, 951B, 955H, 955K, 955L, 966C, 977H, 977K, 980B, 992, D10, D330B, D33...
1N5994
LOCK
D346, D348
D346, D348
1N5993
LOCK
D346, D348
D346, D348
4L3754
LOCK
3304, 621, 641B, 650B, 651, 657, 657B, 666, 666B, 772, 773, 777, 941, 980, 992, D10, D346, D348, D349, D379, D379A, D4D
3304, 621, 641B, 650B, 651, 657, 657B, 666, 666B, 772, 773, 777, 941, 980, 992, D10, D346, D348, D349, D379, D379A, D4D
7M0168
LOCK
621, 650B, 651, 992, D342C, D348, D8K
621, 650B, 651, 992, D342C, D348, D8K
1S2666
LOCK
641B, 650B, 772, 777, 992, D10, D346, D348, D349
641B, 650B, 772, 777, 992, D10, D346, D348, D349
4M5397
LOCK
12E, 1693, 235, 235C, 641, 641B, 650B, 651, 657, 657B, 666, 7241, 772, 773, 777, 824, 844, 844H, 844K, 854G, 854K, 955H, 977H, 990, 990 II, 990H, 990K, 992, 992C, 992D, 992G, 992K, 993K, 994, 994D, 99...
12E, 1693, 235, 235C, 641, 641B, 650B, 651, 657, 657B, 666, 7241, 772, 773, 777, 824, 844, 844H, 844K, 854G, 854K, 955H, 977H, 990, 990 II, 990H, 990K, 992, 992C, 992D, 992G, 992K, 993K, 994, 994D, 99...