S0011
Created by NICO : 28/02/2011
1/2
Motor Checklist
(*) IS REQUIRED
BAC MODEL (*):
SERIAL NUMBER (*):
DELIVERY DATE (*):
Description problem (*):
DOES THE PROBLEM OCCUR SINCE START-UP? (*) YES/NO
IF NOT, HOW MANY OPERATING HOURS DID THE MOTOR RUN WITHOUT A PROBLEM? (*)
NAMEPLATE DATA (*):
BRAND: VOLTAGE: V
TYPE: CURRENT: A
CONNECTION: PROTECTION: IP
Nº OF PHASES: RPM:
FRECUENCY: Hz POWER: KW
SNº:
MEASUREMENTS (*):
MAKE SURE THE MOTOR IS RUNNING AT FULL SPEED.
IF THE MOTOR HAS TWO SPEEDS CHECK BOTH AND TAKE NOTE OF THE MEASUREMENTS.
FULL LOAD CURRENT (BELTS INSTALLED):
-CURRENT PHASE 1: A VOLTAGE PHASE 1: V
-CURRENT PHASE 2: A VOLTAGE PHASE 2: V
-CURRENT PHASE 3: A VOLTAGE PHASE 3: V
NO LOAD CURRENT (REMOVE BELTS):
-CURRENT PHASE 1: A VOLTAGE PHASE 1: V
-CURRENT PHASE 2: A VOLTAGE PHASE 2: V
-CURRENT PHASE 3: A VOLTAGE PHASE 3: V
MAKE SURE THE MOTOR IS SHUT DOWN & ELECTRICALLY DISCONNECTED.
-INSULATION BETWEEN GROUND & WINDINGS: MOHM
-INSULATION BETWEEN WINDINGS:
BETWEEN U & V: MOHM
BETWEEN U & W: MOHM
BETWEEN V & W: MOHM
- WINDING RESISTANCE OF EACH WINDING (WITH A MILLI-OHM METER):
WINDING U: OHM
WINDING V: OHM
WINDING W: OHM
NET FRECUENCY: HZ
IS THERE ONE OF BELOW ACCESSORIES INSTALLED? IF YES WHICH & MEASURE RESISTANCE: YES/NO
PTC OHM
S0011
Created by NICO : 28/02/2011
2/2
THERMOSTAT OHM
SPACE HEATER OHM
DOES THE MOTOR RUN WITH ABNORMAL NOISE?
YES/NO
IF YES, LET MOTOR RUN AT FULL SPEED & SUDDENLY CUT MOTORS' POWER SUPPLY.
IS THE NOISE STILL PRESENT WHEN MOTOR IS SLOWING DOWN? YES/NO
MECHANICAL (*):
IS THE NOISE PRESENT WHEN RUNNING WITH BELTS INSTALLED? YES/NO
IS THE NOISE PRESENT WHEN RUNNING WITH BELTS REMOVED? YES/NO
DOES THE MOTORSHAFT TURN FREELY BY HAND?
YES/NO
IS THE COOLING FAN OF THE MOTOR TOUCHING THE COVER? YES/NO
IF THE NOISE IS COMING FROM THE BEARINGS:
NOTE BEARING TEMPEREATURES (FRONT/BACK):
/ °C (if possible)
NOTE ENVIRONMENT TEMPERATURE: °C (if possible)
MEASURE VIBRATION LEVEL: mm/s (if possible)
HOW OFTEN ARE THE BEARINGS GREASED (IF APPLICABLE)
ALSO FILL IN BELOW WHEN REQUESTED BY BAC
GENERAL:
APPLICATION:
FAN/PUMP
SETTING THERMAL RELAY: A
HOW DOES THE MOTOR START: DOL / STAR-DELTA / VFD / SOFT STARTER
WHICH DUTY CYCLE DOES THE MOTOR HAVE:
S1 (CONTINOUSLY WORKING)
S2 (LIMITED DURATION) IDLE TIME =
OTHER DUTY:
HOW MANY TIMES DOES THE MOTOR START IN ONE HOUR?
IS THE MOTOR RUNNING IN THE CORRECT DIRECTION?
YES/NO
IS THERE ANY PHYSICAL DAMAGE ON THE MOTOR?
YES/NO
IF YES, WHAT:
DIAMETER OF THE MOTOR SHEAVE AND MODEL: mm Model
DIAMETER OF THE FAN SHEAVE AND MODEL: mm Model
NUMBER OF BELTS:
BELT TENSION: N
ELECTRICAL:
HOW IS THE MOTOR CONNECTED? STAR / DELTA / 2SPEED
IF A FREQUENCY DRIVE IS USED, WHICH TYPE & MODEL:
WHAT IS THE MIN. FRECUENCY: HZ
WHAT IS THE MAX. FRECUENCY: HZ
TOTAL LENGTH POWER SUPPLY CABLES (FROM VFD TO MOTOR):
m
ARE THERE FILTERS INSTALLED (IF YES WHICH TYPE):
ARE THERE MULTIPLE MOTORS CONNECTED TO 1 VFD? YES/NO
IF A SOFT STARTER IS USED, WHICH TYPE & MODEL:
IS THE MOTOR WIRED ACCORDING TO THE DIAGRAM?
YES/NO
ARE THE CABLES PROPERLY CLENCHED IN THE MOTOR TERMINAL BOX?
YES/NO