| •
|
Before
working on a machine, ensure that it is switched off, and the
power source is isolated. |
| •
|
Check
insulation resistance of all windings with 500V dc Megger. If
less than 10 dry
out. |
| •
|
Check
overload setting. |
| •
|
Heaters,
if fitted, will be live when the motor is stationary. |
| •
|
Mains
cables must be correctly sized. |
| •
|
Check
terminal arrangements; Tight connection; Driven equipment is
free; And rotation (uncoupled). |
| •
|
Terminal
box lids must be fitted after connection and testing. |
|
| |
MAINTENANCE
AND SPARE PARTS |
| •
|
Remember
to isolate power source before any maintance. |
| •
|
Periodic
maintenance should be done every 2000 running hours, or every
3 months. |
| |
e.g.
check for visible damage, such as cracked fans, covers, feet,
frames etc. |
| •
|
Clean
free of dust, dirt, fibres etc, from motor frame and fan cover.
|
| •
|
Secure
fastners, cables and earth leads. |
| •
|
Replace
bearings every 3 years. |
| •
|
Never
hammer a bearings. Always use an extractor. |
| •
|
Avoid
damaging windings, when removing a rotor. |
|
|