ENGINE AR-CORE 2292633 - Caterpillar

Illustration 4 g03751376
ARD electric pump (1) Pump (2) Base Assembly
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ARD electric pump (3) Output port of the pump
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Assembled required parts
Table 7
Troubleshooting Test Steps    Values    Results    
5. Check the Pump
A. Turn the engine "OFF".
B. Disconnect the ARD fuel line from the pump.
C. Install the required parts listed in Table 2 at the outlet port of the pump.
D. Start the engine.
E. Select the "Aftertreatment Fuel Pump Relay Override" in the "Engine #1 Aftertreatment Controller" using Cat ET in order to activate the pump.
F. Override the pump and record the pressure from the pressure gauge.
G. Deactivate the override.
H. Turn the keyswitch to the OFF position.
I. The pressure must be within specifications. The pump pressure must be 1900 120 kPa (275.5 17.4 psi).
   
1900 120 kPa (275.5 17.4 psi)
   
Result: The pump is not within specifications.
Repair: Refer to Troubleshooting, "ARD Fuel Supply - Test" for troubleshooting information.
STOP
Result: The pump is within specifications.
If you are troubleshooting a E1052 (1) or 3480-17 diagnostic code or a E1053 (1) or 4077-17 diagnostic code with an ETI of 2 or 3, proceed to Test Step 6.
Result: The pump is within specifications.
If you are troubleshooting an E1052 (2) or 3480-18 diagnostic code, proceed to Test Step 7.
If you are troubleshooting a E1053 (2) or 4077-18 diagnostic code, proceed to Test Step 8.
   
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CEM (typical) (4) Fuel filter fitting
Table 8
Troubleshooting Test Steps    Values    Results    
6. Replace the Filter for the ARD Fuel Manifold
A. Replace the filter for the ARD fuel manifold.
B. Reset all active codes and clear all logged codes by using Cat ET.
C. Perform the "ARD Ignition Test" by using Cat ET. Refer to System Operation and Testing and Adjusting , "ARD Fuel System - Test".
The ARD Ignition Test cannot be performed if the DPF soot loading is above 80%. When the DPF soot loading is above 80%, the Manual DPF Regeneration must be performed using Cat ET.
   
Filter
   
Result: The "ARD Ignition Test" was successful and no codes were logged. Return the unit to service.
STOP
Result: The "ARD Ignition Test" was not successful.
If you are troubleshooting an E1052 (1) or 3480-17 code with an ETI of 2, Proceed to Test Step 7.
Result: The "ARD Ignition Test" was not successful.
If you are troubleshooting an E1053 (1) or 4077-17 code with an ETI of 2, Proceed to Test Step 8.
   
Illustration 8 g02220575
CEM (typical) (5) Main solenoid valve (6) Pilot solenoid valve
Table 9
Troubleshooting Test Steps    Values    Results    
7. Replace the Pilot Solenoid Valve
A. Replace the pilot solenoid valve.
B. Reset all active codes and clear all logged codes by using CAT ET.
C. Perform the "ARD Ignition Test". Refer to Troubleshooting, "ARD Ignition - Test".
The ARD Ignition Test cannot be performed if the DPF soot loading is above 80%. When the DPF soot loading is above 80%, the Manual DPF Regeneration must be performed using Cat ET.
   
Pilot Valve
    Result: The "ARD Ignition Test" was successful and no codes were logged. Return the unit to service.
STOP
   
8.