Elektror CF Series - Activities and Qualifications; Behaviour of the Fan During Operation; Table 13: Fan Operation - Activities and Qualifications; Table 14: Fans According to Directive 2014;34;UE - Activities and Qualifications

Operating manual - Fan CF-C Operation of the fan
2004930 10.19/0.2 www.elektror.com 53 of 84
EN
Foot protection
An order to wear foot protection when performing activities in conditions of risk of falling
or cramping objects, walking on sharp objects, effects of temperature or harmful
substances.
8.3 Activities and qualifications
Table 13: Fan operation – Activities and qualifications
Activity
Qualification
Activities at mechanical components Mechanical maintenance worker
Activities at electrical components Qualified electrical engineer
Activities related to control and regulatory
components.
Qualified personnel who are authorized to perform
activities related to control and regulatory
components
Cleaning (except for live parts) Cleaning personnel
Coordination of various activities An employee authorized to give instructions
Fans according to Directive 2014/34/UE
Repair and maintenance of fans according to Directive 2014/34/EU may only be entrusted to
qualifie
d persons according to TRBS 1203..
Table 14: Fans according to Directive 2014/34/UE – Activities and qualifications
Life phase
Activity
Recommendation
Competence
Maintenance Replenishing grease in
the bearing system
Follow the lubrication
rules
User
Impeller wear check Follow the rules in the
Operating Manual
User
Repair Impeller replacement Follow the rules in the
Operating Manual
User
8.4 Behaviour of the fan during operation
Check the following fan properties at regular intervals
1. Check the power consumption and voltage. The recommended values are shown on the
rating plate of the electric motor.
2. Be aware of the noise and vibration of the fan (in particular sounds similar to rubbing).
(please refer to the contents of the chapter 11.2 "Limit values of vibrations")
3. Check the temperature of the bearings with an optionally installed measuring instrument.
(please refer to the chapter 11.3 "Bearing temperature limits")
4. Check the condition of the hub seal.
When the fan is at a standstill, the following checks should be performed:
1. Check the position of the shaft offset and the width of the clutch slots.
(please refer to the contents of the chapter 0 "Clutch adjustment")
The fan should be turned off in case of:
−
exceeding the given values of current, voltage and temperature,
−
vibration or elevated noise level of the fan,
−
exceeding the axial play of the clutch,
−
leakage of the hub seal.