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Lock out the power source before the installation of all accessories.

Fan electrical power can now be applied and special attention should be given to determine if motor is working 

properly. At this time, with air system in full operation, with guards attached, it is well for the electrician to measure 

the operating amperage of the motor and compare with the nameplate rating to determine that the motor is operating 

under safe load conditions.

The fan should not need balancing, as it was balanced at the factory to meet stringent vibration levels before 

shipment. However, there are several things that may cause vibration, such as rough handling in shipment and 

erection, weak foundations, and alignments.

MAINTENANCE:

1.  Before performing any maintenance on the fan, be sure power is turned off and 

locked in the OFF position at 

the service entrance before servicing the fan.

2.  Ventilators should be carefully checked at least once a year. For critical or rugged applications, a routine 

check every two or three months is suggested.

3.  All motors supplied with S&P USA ventilators carry a one (1) year warranty from date of shipment. For repairs 

within the warranty period, the motor must be taken to the motor manufacturer’s authorized service dealer. 

Contact your representative for additional warranty details.

4.  A periodic motor check should consist of spinning the motor shaft with the power off to be sure the motor turns 

freely.

5.  Check sheave set screws to ensure tightness. Proper keys must be in keyways.

6.  Do not readjust blade pitch or fan RPM. If sheaves are replaces, use only sheaves of identical size and type.

7.  During the first few months of operation, it is recommended that the setscrews be checked to assure they are 

tight.

8.  The rotating wheel or propeller requires particular attention in most applications since materials in the air 

being handled can build up on the blades to cause destructive vibration; and may also corrode and/or erode 

the blade metal to weaken the structure of the propeller. Regular inspection and corrective action at intervals 

determined by the severity of each application are essential to good service life.

MOTORS:

The fundamental principle of electrical maintenance is 

KEEP THE MOTOR CLEAN AND DRY.

 This requires periodic 

inspection of the motor. The frequency depends upon type of motor and the service.

We recommend periodic checks of voltage, frequency, and current of a motor while in operation. Such checks assure 

the correctness of frequency and voltage applied to the motor, and yield an indication of the fan load. Comparison 

of this data with previous data will give an indication of the fan performance. Any serious deviations should be 

investigated and corrected.

Lubricate integral horsepower motors per the motor manufacturer’s recommendations. Lubrication frequency depends 

on the motor horsepower, speed, and service. Use compatible greases.

1.  All motors carry a one (1) year warranty from date of shipment. For repairs within the warranty period, the 

motor must be taken to the motor manufacturer’s authorized service dealer. Contact your representative for 

additional warranty details.

2.  A periodic motor check should consist of spinning the motor shaft with the power off to be sure the motor turns 

freely.

3

Содержание STXD Series

Страница 1: ...Drive Upblast Roof Sidewall Exhausters READ AND SAVE THESE INSTRUCTIONS Thepurposeofthismanualistoaidintheproperinstallationandoperationoffansmanufactured by S P USA These instructions are intended t...

Страница 2: ...sing only DO NOT LIFT FANS BY THE MOTOR BASE PROP WHEEL OR FLANGES Roof ventilators should be lifted by using straps around the fan housing or base only Spreader bars should also be used to avoid dama...

Страница 3: ...ring clear of rotating or moving parts 10 WARNING Before starting the fan turn the wheel to assure it rotates freely If needed adjust the wheel shaft motor position as required to achieve necessary cl...

Страница 4: ...de pitch or fan RPM If sheaves are replaces use only sheaves of identical size and type 7 During the first few months of operation it is recommended that the setscrews be checked to assure they are ti...

Страница 5: ...s loose Loose or worn bearings Bearing or drive misalignment Structures not crossbraced wall fans Curb not flat and level Excessive Horsepower Static pressure higher than design Wheel or propeller rot...

Страница 6: ...ted with or resulting from the sale and purchase of the products and parts covered by this proposal acknowledgement order or from the performance or breach of any contract pertaining to such sale or p...

Страница 7: ...0399 400125 400194 1 3 400400 8 1 25 1 10 400399 400125 400194 1 4 EXP 400397 1 4 1 3 400400 10 1 4 1 3 400401 400125 400194 12 1 4 3 4 400402 400126 400195 14 1 4 1 400403 400126 400195 STXDe14 1 400...

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