Carrier RAV-SP180UT-UL Service Manual page 162

No. Part name
Fan, Shaft, Fan quantity and mounting construction
5
Bearing,
Coupling, Model name
Fan case
SP180CT-UL
SP240CT-UL
SP300 to
420CT-UL
1. Detachment
NOTE :
The following description is detachment
method of SP300 to 420 CT-UL class as
representative.
1) Carry out works of Detachment of
2) Remove the hooking claws at both sides of
3) Pull out and remove the fan case (bottom)
4) Remove the bearing from the main unit by
NOTE :
There is a bearing spacer (2 pcs.) between
the cover which fixes the bearing and the base.
Be careful not to miss the bearing spacer.
5) Loosen the hexagon socket head screw and
6) Loosen the hexagon socket head screw and
Procedure
Quantity Mounting construction
Direct mounting to both sides of
2 fans
fan motor
Shaft is used and one side of
3 fans
shaft is supported by bearing.
Shaft is used and the middle part
4 fans
of shaft is supported by bearing.
1), 2).
the fan case (bottom).
from the partition panel.
removing the bolts (2 positions) which fix
the bearing. (M8, 12 mm, 2 pcs.)
(SP300 to 420 models only)
then remove the shaft together with the fan.
then remove the fan from the shaft.
Loosen the hexagon socket head screws
(2 positions) of bearing and then remove
them from the shaft if necessary.
Hooking claw Hooking claw Hooking claw
and
2
Bolts Bolts Bolts
Hexagon socket Hexagon socket Hexagon socket
head screw head screw head screw
Arrange so that screws are at right side Arrange so that screws are at right side Arrange so that screws are at right side
against the bottom make-up panel. against the bottom make-up panel. against the bottom make-up panel.
Bottom
make-up panel
– 162 –
Remarks
Fan case (bottom) Partition board
Bearing cover Bearing cover Bearing cover
Coupling Coupling Coupling
Hexagon socket Hexagon socket Hexagon socket
head screw head screw head screw