MIUM0018_REV06_ QRCE_20180312-MIUM-ENG-AQ AQ_001523_02_0721
23
ENG
7.3.2 Removal and replacement of by-pass actuator
By-pass device is inspected by removal of middle panel bewteen the two end panels for special access to filters. For size
3000 and 4000 also remove temporarily the intermediate support (see previous 4.3).
To remove this panel operate as described below (
fig. 15a
) :
1) dismount and remove each of the two end filter panels (figg. 13a e 13b)
2) unscrew the internal screws (A) which fix the frame of the by-pass device to the unit internal frame
3) dismount and remove the middle panel by front side for about 20 cm; by-pass device is installed on it and connected to
the unit electric box by a cable fitted with fast plug on the actuator
To replace by-pass actuator (or to check the whole by-pass system) preventively unhook the 7-pole faston fast plug, placed
on the actuator. Pay attention that this 7-pole connector has one mating direction and it shall be matched while remounting.
Then (
figg. 16c and 16d
) :
1) loosen and remove the two screws (E) (use a Phillips screwdriver))
2) lift the actuator up to make it free from blade shaft and remove it off complete with its cable.
Fig. 16c
Fig. 16d
Fig. 15a
