Repairs and Maintenance
Repairs and Maintenance
Repairs and Maintenance
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Examination<br />
Bto<br />
c<br />
Bll<br />
Use a "Growler" to check the armature for shorts.<br />
Switch on <strong>and</strong> hold a hacksaw blade close to the ac<br />
mature. lf the blade vibrates in any position, one of<br />
the following faults can exist:<br />
- commutator shorted<br />
Replace ihe rotor if faulty.<br />
812<br />
lJse 40 Volts AC cufi entoravailable equipmentlo check<br />
the stalor coil insulation.<br />
(0<br />
Bt3<br />
Check end shields <strong>and</strong> brush holdsr.<br />
Replacs worn or damaged parts<br />
No more than 0.005 (O12 mm) bushing play is per-<br />
Check other pans <strong>and</strong> replace if worn or damaged.<br />
The lock ring should always b3 r€placed as it might<br />
have been damaged or lost its tension when removed,<br />
Group 33<br />
Staftet Motor
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