Measures After Maintenance - Helios F300 Betriebsanleitung

8.3 Measures after maintenance

36
1. Remove hexagon socket of taper lock herausdrehen.
2. Subtract the impeller..
b) Mounting the impeller
CAUTION!
"- Switch the fan tension-free and ensure the fan against
unauthorised switch-on!"
1. Note the direction of running and rotation. (refer to the type
label).
2. Put off the impeller.
3. align impeller an fix hexagon socket.
Tightening torque of the screws:
The tightening torques based on the calculation base of VDI 2230
Okt-2001 (see appendix).
The impeller must not grind on the housing while rotating the impeller
by hand (in the direction of rotation).Carry out a check and test run
before re-commissioning
After ending maintenance work caused by faults, refer to
Ä Chapter 9.2 "Faults table" on page 49 and repairs and carry out
the following steps:
1. Check and ensure all previously loosened screw connections
for a tight fit.
2. Check whether all previously removed protection equipment
and covers are reinstalled correctly.
3. Make sure that all used tools, materials and other equipment
have been removed from the working area.
Maintenance and repair