21422634 Shaft Volvo.Penta
D4-180I-B; D4-180I-C; D4-180I-D, D4-180I-F; D4-225A-F; D4-225I-F
Shaft
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Volvo Penta entire parts catalog list:
- Sea Water Pump, Components » 21422634
- Repair Kits
Information:
Illustration 1 g00836163
Typical schematicTest Step 1. Check for Connector Damage.
Turn the ECS to the OFF/RESET position.
Turn the battery disconnect switch to the OFF position.
Thoroughly inspect the ECM connectors J1/P1 and J2/P2. Inspect all of the other connectors. Refer to the diagnostic procedure Troubleshooting, "Inspecting Electrical Connectors" for details.
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the circuit.
Check the ECM connector (allen head screw) for the proper torque of 6.0 N m (55 lb in).
Check the customer connector (allen head screw) for the proper torque of 2.25 0.25 N m (20 2 lb in).
Check the harness and the wiring for abrasion and for pinch points.Expected Result:All connectors, pins, and sockets are completely coupled and/or inserted. The harness and wiring should be free of corrosion, of abrasion or of pinch points.Results:
OK - The connectors and wiring are okay. Proceed to test step 2.
Not OK - The connectors and/or wiring are not okay.Repair: Repair the connectors or wiring and/or replace the connectors or wiring.STOPTest Step 2. Check the Voltage to the Speed Control.
Turn the battery disconnect switch to the ON position.
Connect one probe of a multimeter to + Battery terminal of the speed control. Connect one probe of the multimeter to the − Battery terminal of the speed control.
Measure the voltage from the + Battery terminal and the − Battery terminal of the speed control.Expected Result:The voltage should measure 24 3 VDC.Results:
OK - The voltage measures 24 3 VDC. The voltage supply to the speed control is correct. Proceed to test step 3.
Not OK - The voltage does not measure 24 3 VDC.Repair: There is a problem with the supply voltage to the speed control. Perform the diagnostic functional test Troubleshooting, "Electrical Power Supply".STOPTest Step 3. Determine the Component that has Failed.
Determine if the problem is with the input for the throttle or for the droop.
Turn the battery disconnect switch to the OFF position.
Connect the Caterpillar Electronic Technician (ET) to the engine ECM. Use the service tool connector J60.
Turn the battery disconnect switch to the ON position.
Turn the ECS to the STOP position.
Observe the position of the throttle on the Cat ET as you turn the speed adjust potentiometer.
Observe the droop on the Cat ET as you turn the droop adjust potentiometer.Note: Do not overturn the droop adjust potentiometer in the clockwise direction. The signal will become erratic.Expected Result:The throttle position on the Cat ET should vary as the speed adjust potentiometer is turned. The throttle position on the Cat ET should read 0 percent at the lowest setting and 0 to 100 percent as the speed adjust potentiometer is adjusted.The droop on the Cat ET should vary with the turning of the droop adjust potentiometer. The droop on the Cat ET should read 0 percent at the lowest setting and 0 to 10 percent as the droop adjust potentiometer is adjusted.Results:
OK - Rated Speed - The throttle position on the Cat ET varies with the turning of the speed adjust potentiometer. Proceed to test step 6.
Not OK - Rated Speed - The throttle position on the Cat ET does not vary with the turning of the speed adjust potentiometer. Proceed to test step 4.
OK - Droop Speed - The droop on the Cat ET varies with the turning of the droop adjust potentiometer. Proceed to test step 7.
Not OK - Droop Speed - The droop on the Cat ET does not vary with the turning of the droop adjust potentiometer. Proceed to test step 5.Test Step 4. Check the Signal of the Speed Control.
Turn the ECS to the OFF/RESET position.
Turn the battery disconnect switch to the OFF position.
Remove the wire from the S terminal at the speed control.
Set the multimeter to "VDC". Press the "Hz" button twice so that the % symbol is displayed.
Place one probe of the multimeter on the S terminal of the speed control. Place the other probe on the − Battery terminal of the speed control.
Monitor the output of the percent duty cycle from the speed control on the multimeter. Turn the speed adjust potentiometer from the low setting to the high setting.Note: The throttle position on the Cat ET will NOT match the percent duty cycle on the multimeter.
Reconnect the wire that was removed from the S terminal of the speed control.Expected Result:The duty cycle should be between 4 and 10 percent at the low setting and between 90 and 95 percent at the high setting.Results:
OK - The speed control is supplying the correct signal. Proceed to test step 6.
Not OK - The duty cycle is not correct on the multimeter.Repair: Temporarily install another speed control. Verify that the problem is no longer present. Reinstall the old speed control. If the problem returns, replace the speed control.STOPTest Step 5. Check the Droop Signal.
Remove the wire from the D terminal of the speed control.
Set the multimeter to "VDC". Press the "Hz" button twice so that the % symbol is displayed.
Place one probe of the multimeter on the D terminal of the speed control. Place the other probe on the − Battery terminal of the speed control.
Monitor the output of the percent duty cycle from the speed control on the multimeter. Turn the droop adjust potentiometer from the low setting to the high setting.Note: The droop on the Cat ET will NOT match the percent duty cycle on the multimeter.Expected Result:The duty cycle is between 15 and 85 percent. This range should be attainable.Results:
OK - The speed control is providing the correct Droop Signal. Proceed to test step 7.
Not OK - The problem appears to be in the speed control.Repair: Temporarily install another speed control. Verify that the problem is no longer present. Reinstall the old speed control. If the problem returns, replace the speed control.STOPTest Step 6. Check the Input from the Speed Control to the ECM.
Turn the ECS to the STOP position.
Turn the battery disconnect switch to
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3588815
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D4-180I-B; D4-180I-C; D4-180I-D, D4-180I-F; D4-225A-F; D4-225I-F, D6-280A-A; D6-280A-B; D6-280A-C, D6-300A-F; D6-300D-F; D6-300I-F, DPH-A; TSK DPH-B; TSK DPH-A
21511536
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