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Category: BobCat 753

BobCat 753

BobCat 753 – STARTER (NIPPONDENSO) – Assembly

Posted on April 5, 2022

Clean all parts and apply high temperature grease to the armature bearing, return spring, steel ball, over running clutch, and idler gear rollers. Install the…

BobCat 753

BobCat 753 – STARTER (NIPPONDENSO) – No Load Test

Posted on April 5, 2022

The following test should be done after reassembling the starter: Clamp the starter in a vise. Using a 12 volt battery and ammeter, connect the…

BobCat 753

BobCat 753 – STARTER (NIPPONDENSO) – Inspection And Repair

Posted on April 5, 2022

Inspect the brush cover for discoloration, indication the starter has been overheated. Inspect the pinion teeth for wear and damage. Armature Short-Circuit Test: Use a…

BobCat 753

BobCat 753 – STARTER (NIPPONDENSO) – Disassembly

Posted on April 5, 2022

Remove the cable (Item 1) [Figure 60-40-5] from the magnetic switch. Remove the bolts (Item 1) [Figure 60-40-6]. Remove the frame (Item 1) [Figure 60-40-7]…

BobCat 753

BobCat 753 – STARTER (NIPPONDENSO) – Parts Identification

Posted on April 5, 2022

 

BobCat 753

BobCat 753 – STARTER (NIPPONDENSO) – Removal And Installation

Posted on April 5, 2022

Stop the engine and open the rear door. Remove the negative (-) and positive (+) cables from the battery. Remove the starter mounting bolt (Item…

BobCat 753

BobCat 753 – STARTER (NIPPONDENSO) – Checking

Posted on April 5, 2022

The key switch must be in the OFF position. The battery must be at full charge. The cable connections on the battery must be clean…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Assembly

Posted on April 5, 2022

Reverse the order of disassembly. Do not assemble the rear case half. Place the rotor in soft jaws when tightening the shaft nut (Item 1)…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Rotor Ground Test

Posted on April 5, 2022

Touch one probe to one of the slip rings and the other probe to the rotor shaft [Figure 60-31-21]. There should be no continuity. Replace…

BobCat 753

BobCat 753 – ALTERNATOR (90 AMP) – Rotor Continuity Test

Posted on April 5, 2022

Touch the probes to the slip rings [Figure 60-31-20]. The ohmmeter should read between 3.0-4.0 ohms. If there is no continuity replace the rotor.

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