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BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Rotor Ground Test

Posted on March 8, 2022

Touch one probe to one of the slip rings and the other probe to the rotor shaft [Figure 60-30-11]. There should be no continuity. Replace…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Rotor Continuity Test

Posted on March 8, 2022

Touch the probes to the slip rings [Figure 60-30-10]. The ohmmeter should read between 3.065-33.85 ohms. If there is no continuity replace the rotor.  

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Stator Ground Test

Posted on March 8, 2022

Touch one probe to a bare stator lead and the other probe to the bare metal surface of the stator [Figure 60-30-9]. There should be…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Stator Continuity Test

Posted on March 8, 2022

Use an ohmmeter to test the stator. Touch the probes to two of the bare stator wires [Figure 60-30-8]. Move one of the probes to…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Disassembly

Posted on March 8, 2022

Disassemble the alternator. [Figure 60-30-7]. Remove the regulator cover and regulator. Remove the four bolts holding halves together. Pry the halves apart (use a press…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Removal And Installation

Posted on March 8, 2022

Place jack stands under the rear corners of the loader. Raise the lift arms and install an approved lift arm support device. (See Installing Lift…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Alternator Regulator Test

Posted on March 8, 2022

Connect the positive (+) voltmeter lead to the positive (+) battery terminal [Figure 60-30-4]. Connect the negative (-) voltmeter lead to the negative (-) battery…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Rectifier (Diode) Test

Posted on March 8, 2022

The alternator is removed from the loader for clarity purposes [Figure 60-30-3]. Disconnect the negative (-) cable from the battery. Install the wires in their…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Alternator Output Test

Posted on March 8, 2022

Lift and block the loader. (See LIFTING AND BLOCKING THE LOADER on Page 10-10-1.) Disconnect the negative (-) cable from the battery. NOTE: The photo’s…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Adjusting The Alternator Belt

Posted on March 8, 2022

Stop the engine. Raise the operator cab. (See Raising The Operator Cab on Page 10-30-1.) Loosen the alternator mounting bolt (Item 1) [Figure 60-30-1]. Loosen…

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