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9/18 IOM-FFDINST
Nailor Industries Inc. reserves the right to change any information concerning product or specification without notice or obligation.
REMOVAL AND REPLACEMENT OF THE EC MOTOR
WARNING!
Disconnect the unit from the electrical power source before attempting to service the unit.
Tools required: Flat screw driver; 7/16" (11) nut driver; drill with 1/8" (3) drill bit; 5/32" (4) hex head driver
Step 1
Turn off the unit with the rocker switch located on the unit.
Step 2
Disconnect the unit at the power source or at the service panel.
Step 3
Remove the HEPA filter and the pre-filter and set aside. See Sections 2 and 3 for instructions.
Step 4
Using a 1/8" (3) drill bit and drill to remove the six (6) rivets located around the motor housing cover. Set cover
aside. Clean out metal shavings and rivet parts from the unit. NOTE: If duct is attached to cover, be careful not to
damage duct. Disconnect duct if necessary.
Step 5
Disconnect the 6-pin power cable and the 4-pin data cable from the motor.
Step 6
Using the 7/16 (11) nut driver, remove the six nuts holding the motor.
Step 7
Lift the motor/fan/ring assembly out of the unit.
Step 8
Use a 5/32 (4) hex driver to loosen set screw and slide fan off the motor shaft.
Step 9
Use a flat screw driver to loosen the motor mount harness and slide off motor.
Step 10
Reverse above steps to reassemble the motor/fan/ring assembly into the unit. Motor mount should be against
control housing of motor and fan collar should be even with the end of the motor shaft. Either rivets or sheet metal
screws can be used to secure the motor housing cover.
REMOVAL OF THE EC MOTOR
FIGURE 2