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BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Rectifier Continuity (Diode) Test

Posted on April 5, 2022

Remove the two screws (Item 1), nut/washer (Item 2) and the plastic cover (Item 3) [Figure 60-31-11] from the alternator. NOTE: In the diode tests…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Removal And Installation

Posted on April 5, 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 (90 AMP) – High Voltage Test

Posted on March 8, 2022

Turn engine OFF and remove the L & S Terminal connector (Item 1) [Figure 60-31-6] off the alternator. Check the continuity between the โ€œSโ€ terminal…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Low Voltage Test

Posted on March 8, 2022

Turn engine OFF and remove the L & S terminal connector (Item 1) [Figure 60-31-6] off the alternator. Turn the remote start tool key to…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Alternator Voltage Test

Posted on March 8, 2022

Open tailgate. Connect the remote start tool to the loader. (See REMOTE START on Page 10-60-1.) Turn the engine on with the remote start tool…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Charging System Check

Posted on March 8, 2022March 8, 2022

If the charging system malfunctions check the following: Check the condition and tension of the alternator belt. (See Adjusting The Alternator Belt on Page 60-31-1.)…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Alternator Identification

Posted on March 8, 2022

The black cover has been removed to show alternator rectifier/regulator assembly. The alternator contains field coil diodes (low current) (Item 1) [Figure 60-31-2], grounded heat…

BobCat 753

BobCat 753 – ALTERNATOR (90 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 60-31-1]. Loosen…

BobCat 753

BobCat 753 – ALTERNATOR (55 AMP) – Assembly

Posted on March 8, 2022

Reverse the order of disassembly. Do not assemble the rear case half. Place the rotor in soft jaws when tightening the shaft nut. Tighten to…

BobCat 753

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

Posted on March 8, 2022

NOTE: In the diode tests there should be continuity in one direction only. If the diode being tested shows no continuity or continuity in both…

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