Delco 50-MT Starting Motor Disassemble
Disassemble the Starting Motor
Remove the starting motor from the machine.
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1.Disconnect the connector (3) from the motor terminal. Disconnect the negative wire assembly (1) from the terminal assembly (2). Remove the four nuts and the four bolts (4). Pull the terminal assembly (2) away from the solenoid (7) until you can see three leads.
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2.Disconnect the three leads (5) from the terminal assembly (2). Remove the gasket, the nuts, the washers, the lockwashers, and the insulator from the terminal assembly.
3.Remove the contact assembly (6) and the bushing from the solenoid.
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5.Remove the plug (11) and the gasket. Remove the nut and the plunger assembly (10) .
Note: If necessary, remove the ring, the retainer, the spring, the boot, the retainer, and the washer from the plunger.
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7.Mark the starting motor housing, the shift lever, the pinion drive housing and the rear frame (14) for proper assembly. Disconnect the negative wire assembly (1) from the terminal.
8.Remove the six bolts (13) from the rear frame assembly (14). Pull the rear frame assembly (14) away from the starting motor housing until you expose the brushes. Pull each brush upward until the spring will rest against the side of the brush. This will ease the brush pressure against the commutator. Remove the rear frame assembly (14) and the thrust washer.
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9.Remove the brushes (15), the negative terminal nut, the washers and the insulator. Remove the three screws (17) from the brush plate assembly (16). Remove the brush plate assembly (16), the insulator, the washers and the gasket from the rear frame assembly (14) .
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10.Remove the bushing (19) from the rear frame assembly (14) .
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13.Remove the bushing (25) from the pinion drive housing (23) .
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19.Clean the armature assembly, the field winding assembly, and the pinion drive assembly. Use mineral spirits thinner and a brush.
20.Clean the commutator with No. 00 sandpaper. Do not use emery cloth.
21.Inspect all parts for wear and damage.Categories: 3126 | Tags: 3116, 3126, Delco 50-MT, starting motor | Leave a comment