Munters ED36HE Manual De Mantenimiento página 11

fig.17
ROUTINE 5
Suitable for EDHE, EDSHE, EDXHE fans
fig.18
2. IF THE CENTRAL PULLEY OR THE CENTRIFUGAL
SYSTEM HAS TO BE REPLACED:
a. With the propeller at a complete standstill, open
the safety mesh on the shutter side.
b. Open the side cover plates.
c. Unthread two tie-rod with holes and unscrew
bolts and nuts which fix shutter closing springs.
d. Remove the chain form the ring.
e. Remove all shutter blades.
f. Remove the V-belt from the central pulley.
g. Remove the ring, the waterproof distance piece
from the rod and then the rod itself.
h. Unscrew the M25 hex nut.
i. Remove the propeller - central pulley - centrifugal
system assembly out of the fan frame.
j. Remove
hexagonal axle by loosening the M8x20 screw.
k. Replace the centrifugal system and the rod,
and/or remove the propeller and replace the old
central pulley.
l. Connect the assembly on the central support and
insert/tight the M25 hex nut.
m. Insert the waterproof distance piece and the ring.
n. Insert the shutters blades and connect the chain
to the ring.
o. Put the V-belt on both central and motor pulley
grooves.
p. Tighten the V-belt rotating the propeller.
q. Check tensioning.
r. Fix the two shutter closing springs and inset the
tie-rods with holes.
s. Fix the side cover plates and the safety mesh.
1. Open shutter by hand and take away the pin, which
connects central shutter blade to centrifugal system.
11 | © Munters AB, 2018
the centrifugal system from the