7.4 Excessive Fan Vibration
Check for material buildup on the fan wheel and clean as necessary. Check for bent, broken or cracked fan
blades which may cause fan imbalance. Never allow a fan to operate if the amplitude of the vibration exceeds
safe limits. Contact the fan manufacture
r
for your fan style for this information if not included with this manual.
7.5 High Motor Temperature
Check to make sure that the cooling air to the motor has not been blocked or diverted by dirty guards or
similar obstacles. Check the input power for high amperage or excessive amperage draws. An increase in power
requirements may indicate that some major changes in the powder system may have occurred.
7.6 High Bearing Temperatures
This condition is usually caused by improper lubrication – either “over or under”. In every case, if the cause of
the trouble is not easily determined only experienced personnel should examine the equipment before it put
back into service.
7.7 Lubrication
The manufacture
r
of fans and motors used in the powder booth applications may be different based on the
type of powder booth purchased. Due to this variance in these fans or motors refer to the manufacture
r
s
literature and instruction for instruction in proper lubrication intervals and procedures.
7.8 Caution
Lubricate fans and motors only when they are at a standstill. Use only clean grease. Remove and replace drain
plugs only when the motors are at a standstill. DO NOT mix different types of grease.
7.9 Environmental Limitations of Powder Booth Components
Tubeaxial Fans
200° F
>
Maximum Air Temperature:
>
Maximum Air Temperature:
-20° F
Air Solenoid Valve
150° F
>
Maximum Air Temperature:
>
Maximum Air Temperature:
32° F
44