Roofmaster STEC non-insulated version - Installation and maintenance
9
FläktGroup DC_10082GB_20180213_R1
Specifications are subject to alteration without notice
Do not remove the motor bracket bolts; the casing can be
removed without taking them off.
Clean necessary components. Reassemble the fan. Start the fan
and check that the impeller is rotating without problems, espe-
cially if the motor bracket bolts have been accidentally opened.
7.2.2 CLEANING THE INLET SIDE - FANS EQUIPPED WITH
MOUNTING FRAME WITH HINGES (SIZES 225…630)
1. Switch off the fan from the isolator and wait 5 minutes before
starting the maintenance work.
2. Open the fixing bolts, after that the fan casing can be lifted
open. The fan shall be locked to open position with stay fas-
tener(s).
3. Check that the stay fastener(s) are locked (slided sideways to
the locking position in slot(s) in the bottom plate) and the hinge
bolts, bottom plate and installation frame are correctly fas-
tened.
4. Clean necessary components. Release the stay fastener(s)
and let the fan carefully back to its operating position. Start the
fan and check that the impeller is rotating without problems.
Sizes 225 and 310
Sizes 355 - 630
Bottom plate
of the fan
Hinge bolts
Stay fastener(s)
Fixing bolts
Fixing bolts
Mounting frame with hinges
