GPX-SL25 Instruction Manual
7
rev 03.21.13
Step 3
Adjust brackets as necessary
until string is level (Use a string
level as shown).
Tighten both brackets using
wrench.
String
String
String Level
Concrete
Pad
Concrete
Wood Form
(TOP)
FRONT VIEW
OF CONCRETE
PAD FORM
TOP VIEW
OF CONCRETE
PAD FORM
2
1
/
4
”
string to inside
woodform
3” from string to top
of concrete pad
7” minimum above
highest ground
between gate
support posts
Check local code
for depth
String
Center concrete pad beween
gate support posts
Gate Support
Post
Gate Support
Post
String
13”
13”
String
Level
Concrete
Wood Form
Step 4
Find the center between the two
roller/gate support posts. This
should coincide with the position
of the center point of the GPX
operator.
Pad depth (minimum of 18” below
ground) is dependent on soil
conditions and local code (please
check your local code).
Illustrations
A
and
B
show where
to locate the concrete pad in
relation to the string and gate
support posts. Be sure that you
have a minimum of 7” from the
string to the ground.
It is crucial that the top of the
concrete pad is level and exactly
3” below the string.
Concrete
Pad
Concrete
Wood Form
(TOP)
FRONT VIEW
OF CONCRETE
PAD FORM
TOP VIEW
OF CONCRETE
PAD FORM
2
1
/
4
”
string to inside
woodform
3” from string to top
of concrete pad
7” minimum above
highest ground
between gate
support posts
Check local code
for depth
String
Center concrete pad beween
gate support posts
Gate Support
Post
Gate Support
Post
String
13”
13”
String
Level
Concrete
Wood Form
A
B
