LiftMaster HDSW24UL Installation Manual - English - Page 13

Step 2 Concrete Pad and Operator Attachment

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INSTALLATION Step 2 Concrete Pad and Operator Attachment CHECK the national and local building codes before installation. NOTE: When lifting the operator use the handle to avoid damaging the operator 1. Install the electrical conduit. 2. Pour a concrete pad (reinforced concrete is recommended). The concrete pad should be 6 inches (15.2 cm) above the ground and deeper than the frost line. Ensure the pad is tall enough to avoid possible flooding. 3. Secure the operator to the concrete pad with appropriate fasteners. NOTE: An alternative to a concrete pad is to post mount the operator, see Accessories. 4.5" 5.5" Conduit Location (11.4 cm) (14 cm) 4" (10.1 cm) 1" (2.5 cm) 6.5" (16.5 cm) Conduit 1.5" (3.8 cm) 10" (25.4 cm) 15" (38.1 cm) Pad 24" (61 cm) 14" (35.6 cm) 28" (71.1 cm) 20" (50.8 cm) 3" (7.6 cm) Mounting Footprint 14.82" (37.6 cm) 12.2" (31 cm) 6.1" (15.5 cm) 2.5" (6.3 cm) 16.4" (41.7 cm) Cover Mounting Distance 6" (15.2 cm) Above Ground Below the frost line. Check all national and local codes. 28" (71.1 cm) Post Mount 6 Concrete Anchors 1/2" x 3 1/2" 24" (61 cm) 13

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13
Step 2 Concrete Pad and Operator Attachment
CHECK the national and local building codes before installation.
NOTE:
When lifting the operator use the handle to avoid damaging the
operator
1.
Install the electrical conduit.
2.
Pour a concrete pad (reinforced concrete is recommended). The
concrete pad should be 6 inches (15.2 cm) above the ground and
deeper than the frost line. Ensure the pad is tall enough to avoid
possible flooding.
3.
Secure the operator to the concrete pad with appropriate fasteners.
NOTE:
An alternative to a concrete pad is to post mount the operator, see
Accessories.
Cover Mounting Distance
24" (61 cm)
Pad
15" (38.1 cm)
10" (25.4 cm)
1" (2.5 cm)
5.5"
(14 cm)
4.5"
(11.4 cm)
4"
(10.1 cm)
1.5"
(3.8 cm)
Conduit
3" (7.6 cm)
Mounting Footprint
Conduit Location
16.4" (41.7 cm)
2.5"
(6.3 cm)
6.1"
(15.5 cm)
28" (71.1 cm)
20" (50.8 cm)
6.5"
(16.5 cm)
14" (35.6 cm)
12.2" (31 cm)
14.82" (37.6 cm)
Post Mount
6 Concrete
Anchors
1/2" x 3 1/2"
24"
(61 cm)
28"
(71.1 cm)
Below the frost line.
Check all national
and local codes.
6" (15.2 cm) Above Ground
INSTALLATION