Information fuel-injection pump
BOSCH
9 461 623 528
9461623528
ZEXEL
104600-9021
1046009021
Rating:
Include in #2:
104700-9021
as FUEL INJECTION PUMP
Cross reference number
Zexel num
Bosch num
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Problem 4
The starting motor remains engaged or the starting motor continues to run after the engine is running.
Check the components of the starting circuit.
Measure the voltages at terminal (TS-26) of the junction box while the engine is running.Result
The voltage at the terminal is zero volts.The problem is in the starting motor (SM), the pinion solenoid (PS), or the magnetic switch (MS). Repair the faulty component. STOP.
The voltage at the terminal is between 15 volts and 32 volts.The START terminals of the start/stop switch are normally closed. This is normal for an automatic start system. In a manual start system, the switches should be normally open. The switch is on terminals (SSS-1) and (SSS-2) for a normal start/stop switch. Repair the faulty switch. STOP.Problem 5
The engine shutdown occurs after the engine runs for more than 3 minutes.
Check the protection switches.
Remove the jumper that is between terminals (TS-9) and (TS-10) of the junction box.
If the engine is equipped with a low oil pressure indicator, disconnect the diode that is between terminals (TS-8) and (TS-10). The cathode lead of the diode should be connected to terminal (TS-10).
If the engine is equipped with a low oil pressure indicator, ensure that a jumper is not installed between terminals (TS-8) and (TS-9).
Start the engine.
Reconnect the jumper that is between terminals (TS-9) and (TS-10) of the junction box after the test is completed.Result
The engine starts and the engine runs.The problem is in the oil pressure switch or the water temperature contactor switch. Go to Step 5 of "Problem 1".
The engine starts but engine shutdown occurs immediately.Go to Step 1 of "Problem 3".
The engine starts and the engine runs but engine shutdown occurs after the engine runs for more than 3 minutes.Go to Step 2.
The engine cranks but the engine does not start.Go to Step 1 of "Problem 1".
Check the start/stop switch and slave relay (SR1).
Disconnect the wire in the junction box that connects terminal (SR1-85) of the slave relay (SR1) to terminal (TD-7) of the time delay relay (TD).
Crank the engine. Activate the emergency stop switch, if necessary.Result
The engine starts and the engine runs.The start/stop switch has a short circuit or a wiring problem is causing a voltage at terminal (TD-7). Reconnect the wire to the terminal. STOP.
Engine shutdown still occurs after several minutes.The contacts of (SR1) periodically close. The problem may also be with the governor or the fuel supply to the engine. Refer to the Engine Service Manual. If a 2301A Electric Governor is used, the SR1 contacts may be opening. Refer to 2301A Electric Governor Service Manual, SENR3585. Test SR1. Refer to Testing and Adjusting, "Slave Relay Test".Problem 6
Engine shutdown does not occur when a fault is detected.
Check the protection switches and the crank terminate switch of the electronic speed switch.
Reset circuit breaker (CB7).
Start the engine and run the engine at low idle.
Contact with electrical components can cause injury or death.Remove all jewelry and avoid contact with electrical components. Use properly insulated tools when working on the junction box of an
The starting motor remains engaged or the starting motor continues to run after the engine is running.
Check the components of the starting circuit.
Measure the voltages at terminal (TS-26) of the junction box while the engine is running.Result
The voltage at the terminal is zero volts.The problem is in the starting motor (SM), the pinion solenoid (PS), or the magnetic switch (MS). Repair the faulty component. STOP.
The voltage at the terminal is between 15 volts and 32 volts.The START terminals of the start/stop switch are normally closed. This is normal for an automatic start system. In a manual start system, the switches should be normally open. The switch is on terminals (SSS-1) and (SSS-2) for a normal start/stop switch. Repair the faulty switch. STOP.Problem 5
The engine shutdown occurs after the engine runs for more than 3 minutes.
Check the protection switches.
Remove the jumper that is between terminals (TS-9) and (TS-10) of the junction box.
If the engine is equipped with a low oil pressure indicator, disconnect the diode that is between terminals (TS-8) and (TS-10). The cathode lead of the diode should be connected to terminal (TS-10).
If the engine is equipped with a low oil pressure indicator, ensure that a jumper is not installed between terminals (TS-8) and (TS-9).
Start the engine.
Reconnect the jumper that is between terminals (TS-9) and (TS-10) of the junction box after the test is completed.Result
The engine starts and the engine runs.The problem is in the oil pressure switch or the water temperature contactor switch. Go to Step 5 of "Problem 1".
The engine starts but engine shutdown occurs immediately.Go to Step 1 of "Problem 3".
The engine starts and the engine runs but engine shutdown occurs after the engine runs for more than 3 minutes.Go to Step 2.
The engine cranks but the engine does not start.Go to Step 1 of "Problem 1".
Check the start/stop switch and slave relay (SR1).
Disconnect the wire in the junction box that connects terminal (SR1-85) of the slave relay (SR1) to terminal (TD-7) of the time delay relay (TD).
Crank the engine. Activate the emergency stop switch, if necessary.Result
The engine starts and the engine runs.The start/stop switch has a short circuit or a wiring problem is causing a voltage at terminal (TD-7). Reconnect the wire to the terminal. STOP.
Engine shutdown still occurs after several minutes.The contacts of (SR1) periodically close. The problem may also be with the governor or the fuel supply to the engine. Refer to the Engine Service Manual. If a 2301A Electric Governor is used, the SR1 contacts may be opening. Refer to 2301A Electric Governor Service Manual, SENR3585. Test SR1. Refer to Testing and Adjusting, "Slave Relay Test".Problem 6
Engine shutdown does not occur when a fault is detected.
Check the protection switches and the crank terminate switch of the electronic speed switch.
Reset circuit breaker (CB7).
Start the engine and run the engine at low idle.
Contact with electrical components can cause injury or death.Remove all jewelry and avoid contact with electrical components. Use properly insulated tools when working on the junction box of an