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F-88

TROUBLESHOOTING AND REPAIR

F-88

GENERATOR ARMATURE REMOVAL AND REPLACEMENT (continued)

FIGURE F.32 – SLING LIFT

ROPE SLING

BLOWER PADDLE

BLOWER

PADDLE/ARMATURE

MOUNTING BOLTS (8)

PROCEDURE

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Removing the Armature

1.Turn off the engine

2.Perform the Alternator Rotor Removal

Procedure.

3.Perform the Alternator Stator Removal Procedure.

4.Perform the Generator Frame Removal

Procedure.

5.Using the rope sling, support the armature. Position the sling at the center of gravity of the armature assembly. See Figure F.32

6.Remove the eight screws securing the blower pad- dle segments and the outer diameter of the flexible coupling disk to the flywheel.

7.With the armature securely supported in the sling, unlock it from the flywheel by carefully rotating it 1/8 of a turn in either direction.

Replacing the armature

1.Carefully inspect the mating surfaces of the fly- wheel and armature coupling parts. These surfaces must be clean and undamaged.

2.Support the armature in a rope sling and carefully move it into position, and align it to the flywheel.

3.Rotate the armature 1/8 of a turn, in either direction, to engage the locking mechanism and line up the bolt holes. Be certain that the coupling plate is fully and cleanly seated in the flywheel.

4.Replace the eight screws and four blower seg- ments. Tighten the screws per the torque specifica- tion sheet.

5.Perform the Generator Frame Replacement

Procedure.

6.Perform the Alternator Stator Replacement Procedure.

7.Perform the Alternator Rotor Replacement Procedure.

SAE-400 SEVERE DUTY

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Lincoln Electric SVM187-A Generator Armature Removal and Replacement, Removing the Armature, Replacing the armature

SVM187-A specifications

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