V-Belt / Central Pulley / Centrifugal System Replacement - Munters ED36HE Manual De Mantenimiento

4. V-belt / Central pulley / Centrifugal system replacement

ROUTINE 1
Suitable for EM-, EMS-, EMX- fans
fig.6
fig.7
fig 22
fig. 8
Fig. 9
1. With the propeller at a complete standstill, open the
safety mesh on the pulley/motor side.
2. Remove the plastic safety protection, if installed.
3. [ON EXHAUST FANS] Remove the knurled brass pin
to disconnect the central shutter blade and the
centrifugal system.
4. Remove the V-belt from the motor and the central
pulley grooves.
5.A IF THE V-BELT HAS TO BE REPLACED:
a. Let pass the V-belt between the conveyor and the
propeller.
b. Insert the new V-belt by following the same
procedure.
5.B IF THE CENTRAL PULLEY OR THE CENTRIFUGAL
SYSTEM HAS TO BE REPLACED:
a. Unscrew the M25 fixing nut.
b. Take out the central pulley - centrifugal system -
propeller assembly from the fan frame.
c. Remove the centrifugal system by unscrewing
central allen screws fixing it to propeller.
d. [FOR THE CENTRAL PULLEY] Remove the
propeller from central pulley by unscrewing (4)
screws and nuts.
e. Replace the central pulley and/or the centrifugal
system.
f. Fix the new assembly to the central support.
6. [ON EXHAUST FANS] Fix the knurled brass pin.
7. Tight the belt rotating the propeller.
8. Check tensioning.
9. Fix the plastic protection, if installed.
10. Fix the safety mesh.
7 | © Munters AB, 2018