3125620 SOLENOID AS Caterpillar parts
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Alternative (cross code) number:
CA3125620
312-5620
3125620
CA3125620
312-5620
3125620
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NOKORING New Diesel Fuel Pump Solenoid Valve 312-5620 3125620 Compatible with E320D Excavator C6.4 C4.2 C4.4 Engine 2861511 286-1511
NOKORING NOKORING Diesel Fuel Pump Solenoid Valve 312-5620 3125620 Compatible with E320D Excavator C6.4 C4.2 C4.4 Engine 2861511 286-1511 || Professional adaptation: Model：312-5620 3125620 , specially designed for construction machinery, accurately adapted to various types of construction machinery equipment, easy to install || Stable electrical parameters: Adapt to the complex circuit environment of engineering machinery, stable operation, reliable and durable || Sturdy and durable material: Made of high-strength metal material, it has excellent wear resistance and corrosion resistance, and can withstand the rigorous test of high-intensity operation of engineering machinery. || Efficient control: fast response, can accurately control the fluid on and off, help the hydraulic system of engineering machinery to operate efficiently, and improve the overall work efficiency || Customer Service: NOKORING always adheres to "quality first, service second". || Important Tips: Please make sure the model, part number and photo are consistent with your product.
NOKORING NOKORING Diesel Fuel Pump Solenoid Valve 312-5620 3125620 Compatible with E320D Excavator C6.4 C4.2 C4.4 Engine 2861511 286-1511 || Professional adaptation: Model：312-5620 3125620 , specially designed for construction machinery, accurately adapted to various types of construction machinery equipment, easy to install || Stable electrical parameters: Adapt to the complex circuit environment of engineering machinery, stable operation, reliable and durable || Sturdy and durable material: Made of high-strength metal material, it has excellent wear resistance and corrosion resistance, and can withstand the rigorous test of high-intensity operation of engineering machinery. || Efficient control: fast response, can accurately control the fluid on and off, help the hydraulic system of engineering machinery to operate efficiently, and improve the overall work efficiency || Customer Service: NOKORING always adheres to "quality first, service second". || Important Tips: Please make sure the model, part number and photo are consistent with your product.
IMIFAFTAbT Solenoid Valve for Caterpillar CAT C6.4 C4.2 C4.4 Engine E320D Excavator 312-5620 286-1511
IMIFAFTAbT Part Name:Solenoid Valve 312-5620 286-1511 || Part Number:312-5620 286-1511 3125620 2861511 || APPlication: Compatible with Caterpillar CAT C6.4 C4.2 C4.4 Engine E320D Excavator || Note:Before purchasing, please check your engine model and part number to ensure they match the list displayed above. || Please double check the part number of your item matching information is for reference onlyIf you are unsure of the item please contact us before buying to avoid unnecessary return thanks!
IMIFAFTAbT Part Name:Solenoid Valve 312-5620 286-1511 || Part Number:312-5620 286-1511 3125620 2861511 || APPlication: Compatible with Caterpillar CAT C6.4 C4.2 C4.4 Engine E320D Excavator || Note:Before purchasing, please check your engine model and part number to ensure they match the list displayed above. || Please double check the part number of your item matching information is for reference onlyIf you are unsure of the item please contact us before buying to avoid unnecessary return thanks!
Fuel injection pump head 312-5620 326-4635 317-8021 324-0532 Suitable for Caterpillar CAT 320D GC 323D Engine C6.4
kewnagnuan Part Name:Fuel injection pump head || Part Number:312-5620 326-4635 317-8021 324-0532 || Application:Compatible with Caterpillar CAT 320D GC 323D Engine C6.4 || Important Notice:The auto parts are not general-purpose items! Please double-check that your vehicle model is exactly the same as that indicated in the compatibility chart of the product. || NOTE：Thank you for your trust and support! If you have any questions regarding the products, please feel free to contact us at any time. We will do our best to solve them for you. Wish you a pleasant experience!
kewnagnuan Part Name:Fuel injection pump head || Part Number:312-5620 326-4635 317-8021 324-0532 || Application:Compatible with Caterpillar CAT 320D GC 323D Engine C6.4 || Important Notice:The auto parts are not general-purpose items! Please double-check that your vehicle model is exactly the same as that indicated in the compatibility chart of the product. || NOTE：Thank you for your trust and support! If you have any questions regarding the products, please feel free to contact us at any time. We will do our best to solve them for you. Wish you a pleasant experience!
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2021-06-01
2021-05-31
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Information:
Probable Causes
Active codes and logged codes
Electrical connections
Fuel injection
Fuel quality
Proper lubrication
Isolate the source of the noise.
Valve train components
Gear train and lower end components
CrankshaftRecommended Actions
Table 1
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Establish communication between Cat® Electronic Technician (ET) and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
Codes
Result: There are active codes.
Repair: Troubleshoot any active codes before continuing with this procedure.
Result: There are no active codes.
Proceed to Test Step 2.
2. Check the Electrical Connections
A. Check for the correct installation of the ECM J1/P1 and the J2/P2 connectors. Check for correct installation of the fuel injector connectors.
Connectors
Result: There are suspect connectors.
Repair: Repair connectors that are suspect or replace connectors that are suspect.
Perform the "Wiggle Test" on Cat ET.
Result: There are no suspect connectors.
Proceed to Test Step 3.
3. Check the Fuel Injection
A. Perform the "Fuel Rail Pressure Test" in the "Diagnostic Tests" under the "Diagnostics" menu.
"Fuel Rail Pressure Test"
Result: The test was successful.
Proceed to Test Step 4.
Result: The test was not successful.
Repair: Diagnose the problem and then repair the problem. Reset all the codes. Verify that the repair eliminated the problem.
4. Check the Fuel Quality
A. Refer to Operation and Maintenance Manual for information on the proper characteristics of the fuel for the engine. If necessary, obtain a fuel analysis to confirm that the correct fuel is being used for the engine. Refer to Systems Operation/Testing and Adjusting, "Fuel System Quality Test" for the proper procedure.
Fuel quality
Result: The fuel quality is OK.
Proceed to Test Step 5.
Result: The fuel quality is not OK.
Repair: Replace the fuel. Verify that the repair eliminated the problem.
5. Inspect for Proper Lubrication
A. Check for proper lubrication of the valve components. Check for sufficient lubrication between the injector tappets and the rocker arms.
B. Check for blocked oil passages. Oil passages must be clean. Clean any oil passages that are questionable. Refer to the Disassembly and Assembly for additional information.
C. Inspect the engine oil filters for ferrous material.
D. Obtain an S-O-S oil analysis. The analysis will contribute to a better understanding of oil contamination and the origin of the contamination.
Lubrication
Result: The oil passages are not blocked and the engine has proper lubrication.
Proceed to Test Step 6.
Result: The oil passages are blocked or the engine does not have proper lubrication.
Repair: Make the necessary repairs, Verify that the repair eliminated the problem.
6. Isolate the Source of the Noise
A. If the source of the noise is the engine accessory, remove the suspect engine accessory. Inspect the suspect engine accessory.
Engine Accessory
Result An engine accessory is the source of the noise.
Repair: Repair the engine accessory and/or replace the engine accessory, if necessary.
Result An engine accessory is not the source of the noise.
Proceed to Test Step 7.
7. Inspect the Valve Train Components
A. Check the valve lash. Refer to Troubleshooting, "Valve Lash Is Excessive".
B. Check for damage to valve train components. Remove the valve cover from the suspect cylinders. Check the following items for damage:
-
Active codes and logged codes
Electrical connections
Fuel injection
Fuel quality
Proper lubrication
Isolate the source of the noise.
Valve train components
Gear train and lower end components
CrankshaftRecommended Actions
Table 1
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Establish communication between Cat® Electronic Technician (ET) and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
Codes
Result: There are active codes.
Repair: Troubleshoot any active codes before continuing with this procedure.
Result: There are no active codes.
Proceed to Test Step 2.
2. Check the Electrical Connections
A. Check for the correct installation of the ECM J1/P1 and the J2/P2 connectors. Check for correct installation of the fuel injector connectors.
Connectors
Result: There are suspect connectors.
Repair: Repair connectors that are suspect or replace connectors that are suspect.
Perform the "Wiggle Test" on Cat ET.
Result: There are no suspect connectors.
Proceed to Test Step 3.
3. Check the Fuel Injection
A. Perform the "Fuel Rail Pressure Test" in the "Diagnostic Tests" under the "Diagnostics" menu.
"Fuel Rail Pressure Test"
Result: The test was successful.
Proceed to Test Step 4.
Result: The test was not successful.
Repair: Diagnose the problem and then repair the problem. Reset all the codes. Verify that the repair eliminated the problem.
4. Check the Fuel Quality
A. Refer to Operation and Maintenance Manual for information on the proper characteristics of the fuel for the engine. If necessary, obtain a fuel analysis to confirm that the correct fuel is being used for the engine. Refer to Systems Operation/Testing and Adjusting, "Fuel System Quality Test" for the proper procedure.
Fuel quality
Result: The fuel quality is OK.
Proceed to Test Step 5.
Result: The fuel quality is not OK.
Repair: Replace the fuel. Verify that the repair eliminated the problem.
5. Inspect for Proper Lubrication
A. Check for proper lubrication of the valve components. Check for sufficient lubrication between the injector tappets and the rocker arms.
B. Check for blocked oil passages. Oil passages must be clean. Clean any oil passages that are questionable. Refer to the Disassembly and Assembly for additional information.
C. Inspect the engine oil filters for ferrous material.
D. Obtain an S-O-S oil analysis. The analysis will contribute to a better understanding of oil contamination and the origin of the contamination.
Lubrication
Result: The oil passages are not blocked and the engine has proper lubrication.
Proceed to Test Step 6.
Result: The oil passages are blocked or the engine does not have proper lubrication.
Repair: Make the necessary repairs, Verify that the repair eliminated the problem.
6. Isolate the Source of the Noise
A. If the source of the noise is the engine accessory, remove the suspect engine accessory. Inspect the suspect engine accessory.
Engine Accessory
Result An engine accessory is the source of the noise.
Repair: Repair the engine accessory and/or replace the engine accessory, if necessary.
Result An engine accessory is not the source of the noise.
Proceed to Test Step 7.
7. Inspect the Valve Train Components
A. Check the valve lash. Refer to Troubleshooting, "Valve Lash Is Excessive".
B. Check for damage to valve train components. Remove the valve cover from the suspect cylinders. Check the following items for damage:
-
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