Instruction Manual VisGuard 2 E xtractive
Repair work
36
14265E/1
10.3
Replacing the suction fan
DANGER!
Danger due to electric shock that may result in serious bodily injury or death.
There is a risk of fatal injury when coming into contact with electrical connections! Theref o-
re, mains voltages may only be measured by persons with the relevant qualifications.
Proceed as follows to replace the suction fan:
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Interrupt the power supply to the suction fan.
If a motor protecting switch is installed upstream
of the suction fan, also switch this off.
2.
Number all electrical cables and hose connec-
tions.
3.
Make a sketch of all connections to avoid conf u-
sion afterwards.
4.
Open the cover of the terminal box and remove
the electrical connections.
5.
Remove the hose connections on the suction fan.
6.
Remove the defective suction fan and replace
with a new one.
7.
Establish all the electrical connections according
to the sketch.
8.
Attach the hose connections to the suction fan.
9.
Put the sampling system back into operation
(Section 7).