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ZEXEL
105400-4170
1054004170
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105400-4170
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Battery
9S1990 BATTERY CHARGER TESTER.The storage battery circuit represents a continuous, although variable, electrical load to the charging unit. If the circuit, positive or negative is opened or broken while the charging unit is charging, the loss of the battery load will result in the charging voltage rising to unsafe levels.High voltage will damage the charging unit and regulator and may damage other electrical components or instruments.NEVER DISCONNECT ANY CHARGING UNIT CIRCUIT OR BATTERY CIRCUIT CABLE FROM BATTERY WHEN THE CHARGING UNIT IS PRODUCING A CHARGE.A load test should be made on a battery that discharges very rapidly when in use. To do this apply a resistance of three times the ampere/hour rating of the battery across the battery main terminals. Allow the resistance to discharge the battery for 15 seconds and immediately test the battery voltage. A 12 volt battery in good condition will test 9 volts.The instructions included with the 9S1990 Battery Charger Tester completely covers the battery testing subject.Starting System
Use a D.C. voltmeter to locate starting system components which do not function.Turn the disconnect switch ON. Attach one voltmeter lead to the starter solenoid terminal connected to both a cable and a small wire. Ground the other voltmeter lead. No voltmeter reading indicates a defective disconnect switch. A voltmeter reading of battery voltage indicates further testing is necessary.Turn the HEAT-START switch to the START position. Starting motor solenoid operation is audible as the starter motor pinion engages with the ring gear on the engine flywheel. The solenoid operation should also close the electric circuit to the motor. Attach one voltmeter lead to the solenoid terminal that is connected to the motor. Ground the other lead. Turn the HEAT-START switch to START and observe the voltmeter. A battery voltage reading indicates the malfunction is in the motor. It must be removed for further testing. No voltmeter reading indicates that the solenoid contacts do not close and the solenoid must be repaired or the starter pinion clearance should be adjusted.A starting motor solenoid that will not operate may not be receiving battery current. Attach one lead of the voltmeter to the solenoid battery cable connection. Ground the other lead. No voltmeter reading indicates a defective disconnect switch. A voltmeter reading indicates further testing is necessary.Continue the test by attaching one voltmeter lead to the starting motor solenoid small wire terminal and the other lead to ground. Observe the voltmeter and turn the HEAT-START switch to START. A voltmeter reading indicates that the malfunction is in the solenoid. No voltmeter reading indicates that either the circuit breaker is defective or the HEAT-START switch does not close when turned to the START position.Attach one lead of the voltmeter to the HEAT-START switch battery wire terminal and ground the other lead. A voltmeter reading indicates a defective switch. No voltmeter reading indicates the circuit breaker points are open. If the circuit breaker reset button will not close the points the circuit breaker is defective.A starting motor that operates too slow can
9S1990 BATTERY CHARGER TESTER.The storage battery circuit represents a continuous, although variable, electrical load to the charging unit. If the circuit, positive or negative is opened or broken while the charging unit is charging, the loss of the battery load will result in the charging voltage rising to unsafe levels.High voltage will damage the charging unit and regulator and may damage other electrical components or instruments.NEVER DISCONNECT ANY CHARGING UNIT CIRCUIT OR BATTERY CIRCUIT CABLE FROM BATTERY WHEN THE CHARGING UNIT IS PRODUCING A CHARGE.A load test should be made on a battery that discharges very rapidly when in use. To do this apply a resistance of three times the ampere/hour rating of the battery across the battery main terminals. Allow the resistance to discharge the battery for 15 seconds and immediately test the battery voltage. A 12 volt battery in good condition will test 9 volts.The instructions included with the 9S1990 Battery Charger Tester completely covers the battery testing subject.Starting System
Use a D.C. voltmeter to locate starting system components which do not function.Turn the disconnect switch ON. Attach one voltmeter lead to the starter solenoid terminal connected to both a cable and a small wire. Ground the other voltmeter lead. No voltmeter reading indicates a defective disconnect switch. A voltmeter reading of battery voltage indicates further testing is necessary.Turn the HEAT-START switch to the START position. Starting motor solenoid operation is audible as the starter motor pinion engages with the ring gear on the engine flywheel. The solenoid operation should also close the electric circuit to the motor. Attach one voltmeter lead to the solenoid terminal that is connected to the motor. Ground the other lead. Turn the HEAT-START switch to START and observe the voltmeter. A battery voltage reading indicates the malfunction is in the motor. It must be removed for further testing. No voltmeter reading indicates that the solenoid contacts do not close and the solenoid must be repaired or the starter pinion clearance should be adjusted.A starting motor solenoid that will not operate may not be receiving battery current. Attach one lead of the voltmeter to the solenoid battery cable connection. Ground the other lead. No voltmeter reading indicates a defective disconnect switch. A voltmeter reading indicates further testing is necessary.Continue the test by attaching one voltmeter lead to the starting motor solenoid small wire terminal and the other lead to ground. Observe the voltmeter and turn the HEAT-START switch to START. A voltmeter reading indicates that the malfunction is in the solenoid. No voltmeter reading indicates that either the circuit breaker is defective or the HEAT-START switch does not close when turned to the START position.Attach one lead of the voltmeter to the HEAT-START switch battery wire terminal and ground the other lead. A voltmeter reading indicates a defective switch. No voltmeter reading indicates the circuit breaker points are open. If the circuit breaker reset button will not close the points the circuit breaker is defective.A starting motor that operates too slow can
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105400-4170