IM-4055
Installation, Operation & Maintenance Manual
2
Safety & Hazard Warnings
accessories. These safety devices include (but are not limited to) belt guards, shaft guards, inlet and discharge screens. The use
and suitability of safety devices is the responsibility of the purchaser.
should be powered through switches that are easily accessible to service personnel from the fan. Fan power must have the ability
performing lockout, be aware of factors, such as building pressure and additional fans in the system that can influence unwanted
Before any work is done on a fan, ensure that the fan is isolated from the electrical supply using a 'lockout/tagout system.'
subject to controls or other circuit protection devices that may start the fan without notice.
The following safety precautions should be followed, where applicable:
• Do not attempt to slow a rotating impeller even when it is isolated from the electrical supply. Fan impellers have a high inertia
and injury could result from an attempt to stop it. It is recommended that the impeller is isolated by closing off the inlet or
to start up.
• Always use caution when entering a fan's air path. High velocity airflow can cause you to lose your balance.
• Motors can be hot, and similarly if the fan is subject to processes that are hot, the fan housing could be hot.
• Fans are often used to move hazardous materials that could be dangerous. Always wear protective clothing and take
• Sharp edges – wear protective gloves when handling, installing or servicing a fan.
• Access doors – Do not open access doors when fan is in operation. The effects of suction and air pressure could result in injury.
• When working around pulleys and belts, keep hands away from pinch points. This pertains to when the fan is under or off
power.
Throughout this manual, there are a number of HAZARD WARNINGS that must be read and adhered to in order to prevent
severity of a hazard and are preceded by the safety alert symbol. It is the responsibility of all personnel involved in installation,
operation and maintenance to fully understand the warning and caution procedures by which hazards are to be avoided.
WARNING: Used when serious injury or death MAY result from misuse or failure to follow specific instructions.
CAUTION:
specific instructions.
NOTICE:
Shipping & Receiving
All Twin City Fan & Blower products are carefully constructed and inspected before shipment to ensure the highest standards of
Check each unit for any damage that may have occurred in transit. Any damage should be reported immediately to the carrier and
the necessary damage report filed. Damage should be noted on the bill of lading.
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