4
4
.
.
D
D
I
I
S
S
A
A
S
S
S
S
E
E
M
M
B
B
L
L
Y
Y
 
 
A
A
N
N
D
D
 
 
A
A
S
S
S
S
E
E
M
M
B
B
L
L
Y
Y
 
 
F
F
O
O
R
R
 
 
C
C
O
O
M
M
P
P
R
R
E
E
S
S
S
S
O
O
R
R
 
 
A
A
N
N
D
D
 
 
M
M
O
O
T
T
O
O
R
R
4.0/5.0/6.0/6.5HP 
Removal and Assembly of Fan Motor 
Important: Before removing the fan, make sure power to the system is disconnected. 
Step   Illustration   Handling Instruction 
1. Unplug the motor
cables
Use screwdriver to remove the 
electric box 
cover and unplug 
the motor cables in electric box.
2. Loosen the fan
and
motor.
Use a offset spanner to loosen 
the screws holding the fan cage 
to the motor shaft. Remove 
outer housing holding motor in 
place. 
3. Remove the
diversion circle and
support brac
ket.
Use screwdriver to remove the 
diversion circle and support 
bracket. 
4. Replace the
motor
Remove the fan cage from the 
motor shaft. 
Remove the motor 
from the air inlet and replace 
with new motor. Be sure to 
tighten the cages onto the 
motor shafts. 
5. Reassembly of
the unit
Reassemble the unit in the 
reverse order of disassembly 
and test operation.