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
2.0HP 
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. Remove the base
board
Loose and take out the screws 
fixing the base board, then 
remove the base board. 
3. Remove the
screws on fan
sub-assembly.
Remove the screws on fan 
sub-assembly. 
4. Removing the fan
cage enclosure
Rotate the fan cage housing 
toward 
supply opening and remove. 
5. Loosen the fan and
motor
Loosen the screws holding the 
fan cage to the motor shaft by 
using hexagon screwdriver. 
Remove outer housing holding 
motor in place. 
6. Replace the motor
Remove the motor from the 
support 
bracket. Then remove the fan 
cages and crosshead from the 
motor shafts. Remove the motor 
from the air inlet and replace with 
new motor. Be sure to tighten the 
cages onto the motor shafts. 
7. Reassembly of the
unit
Reassemble the unit in the 
reverse order of disassembly and 
test operation.