LiftMaster SW470 SW490 GL BOARD Manual - Page 11

Pad Mounting (SW490), IMPORTANT NOTE

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INSTALLATION PAD MOUNTING (SW490) 1. Measure the gate length and select appropriate "P" dimension from the gate installation table. 2. Layout the concrete pad as detailed in Figure 1. IMPORTANT NOTE: The relative location of the operator to the fence and the gate is critical. Be sure that the measurements for operator mounting are taken from the centerline of the fence and of the gate hinge. 3. Locate electrical conduit, as required, prior to pouring concrete. 4. Pour concrete pad. 5. Bolt the (2) pad mount brackets to the bottom of the operator with the hardware provided (Install the operator so that the output shaft is on the side closest to the gate). 6. Secure the operator to the pad. It is very important that the operator be level and square to the gate. Figure 1 P Gate 5" Output Shaft Fence 1/2" Redhead (4 Required) 8" Operator 28" Concrete Pad 18" x 34" min. Figure 2 SW490 GATE OPERATOR INSTALLATION TABLE GATE LENGTH (FEET) 8-9 10-11 12-13 14-15 16-17 18-19 20-21 22 P DIMENSION IN INCHES 21.9 25.3 28.8 32.3 35.7 39.2 42.7 46.1 1/2" red head bolts or anchors (4 required) Using suitable hardware secure operator to L-bolts Power and control wiring should be run in separate conduit Concrete Pad 2" to 4" above grade Depth required by local codes or below frost line 11

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11
11
PAD MOUNTING (SW490)
1.
Measure the gate length and select appropriate “P” dimension
from the gate installation table.
2. Layout the concrete pad as detailed in Figure 1.
IMPORTANT NOTE:
The relative location of the operator to the
fence and the gate is critical. Be sure that the measurements for
operator mounting are taken from the centerline of the fence and
of the gate hinge.
3.
Locate electrical conduit, as required, prior to pouring concrete.
4. Pour concrete pad.
5.
Bolt the (2) pad mount brackets to the bottom of the operator
with the hardware provided (Install the operator so that the
output shaft is on the side closest to the gate).
6.
Secure the operator to the pad. It is very important that the
operator be level and square to the gate.
Figure 1
Figure 2
INSTALLATION
SW490 GATE OPERATOR INSTALLATION TABLE
GATE LENGTH (FEET)
P DIMENSION IN INCHES
8-9
10-11
12-13
14-15
16-17
18-19
20-21
22
21.9
25.3
28.8
32.3
35.7
39.2
42.7
46.1
Operator
8"
1/2" Redhead
(4 Required)
5"
Output
Shaft
28"
Concrete Pad
18" x 34" min.
Fence
Gate
P
Using suitable hardware secure
operator to L-bolts
Power and control wiring should be
run in separate conduit
Concrete Pad
Depth required by
local codes or below
frost line
2" to 4" above grade
1/2" red head bolts or
anchors (4 required)