Blower Engineering Instructional Manual
11
8.1 Blower disassembly
Disassembly of the blower within the warranty period results in the cancellation of the warranty.
Disassembly repair work and reassembly of the blower must be carried out only by skilled
personnel and with the aid of suitable equipment and the relevant manual. This manual contains
only the instructions for preventative maintenance. For any references to components see attached
sections.
NOTE:
The warranty does not cover damages caused by operations carried out incorrectly
during disassembly and/or reassembly of the blower.
WARNING:
Before starting disassembly of the blower, make sure that the power has been
disconnected. Follow the instructions in paragraph 9.2.
Disassemble the drive components (sheave or coupling), following the manufacturer's instructions
if there are locking devices or by means of an extractor if attached directly onto the shaft.
WARNING:
Do not hammer the shaft, coupling or sheave.
Personnel who may come into contact with the blower must observe the most elementary safety
rules in order to minimize the possibility of suffering physical injury With this in mind, all personnel
who work in or pass through the area where the blower is functioning must be instructed in the
safety rules to follow and must be warned through the use of danger notices.
9.1 Blower in operation
Do not touch the external surfaces of the blower because they could reach temperatures higher
than 285ºF (141ºC) and therefore cause burns.
•
Do not hold objects or insert limbs into the blower openings because the moving rotors
could cause serious physical injury.
•
Provide suitable protection devices for the coupling and/or drive belts.
•
If the blower is operating disconnected from system piping, place a screen in front of the
inlet and keep away from the blower outlet flow.
•
Do not open the oil plugs.
•
Do not turn off the safety systems which are provided.
•
Do not stand too close to the safety valve discharge.
•
Avoid prolonged exposure to the noise produced by the blower, if suitable protection is not
worn. The sound pressure near the blower could be greater than 85 dB (A).
9.2 Before any blower service
Stop the blower by disconnecting the electrical supply.
•
Disconnect the electrical supply cables.
•
Bring the unit to atmospheric pressure.
WARNING:
The gas contained in the blower may be hot, toxic and irritant.
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