• For installation on wood structures, use a 1/2" lag
screw of appropriate length for the application.
(See Figure 1)
Figure 1
• For installation on steel structures, use a 1/2" bolt
of the appropriate length for the application, in
combination with two flat washers, a lock washer
and a 1/2" nut. (See Figure 2)
Figure 2
This unit is equipped with a three-speed selector switch,
which allows user to select a desired amount of air
delivery. During normal operation, it is not uncommon
for the motor to be warm to the touch.
• All maintenance should be performed by a
qualified electrician.
• The motor bearings are lubricated at the factory
and should not require any additional lubrication.
If bearing lubrication is required, apply a small
amount of synthetic oil to the motor bearing.
PAGE 2 OF 6
INSTALLATION
Wood Structure
1/2" Lag Screw
Steel Structure
1/2" Bolt
OPERATION
MAINTENANCE
1-800-295-5510
uline.com
• For installation on masonry structures, use a 1/2"
lag screw, in combination with a lag shield of
appropriate length for the application.
(See Figure 3)
Figure 3
Lag Shield
NOTE: In all cases, it is recommended that a
flat washer be placed on both sides of the fan
yoke to assist in smooth rotation.
CAUTION! The motor is equipped with a
thermo-protector and will automatically shut
off the fan if it overheats. If this happens,
immediately disconnect unit from power outlet.
• Remove two retaining screws and open the six
guard clips on the flange. Lift front guard up and off
to separate the two halves. Use mild detergent to
clean the blade and guards. Do not allow cleanser
to come in contact with the motor windings or
bearing. Replace front guard in reverse order of
disassembly. Allow fan to dry completely before
next use.
Masonry Structure
1/2" Lag Screw
1021 IH-4091