Craftsman 139.53325SRT Garage Door Opener User Manual


 
installation Section:
installation Step 1
Determine Header Bracket Location
installation procedures van/according to
garage door bjpes_ Follow the instructions
which appty to your door,
Pages 12- 27
if the header bracket ts not rigtdiy fasten_ to
a structural support on the header watt or
cet[tng_ the safety reverse system may not
work property (see page 30) The door might
not reverse when required, and could cause
The garage door springs, cables, putteys,
brackets and theft hardware are under extreme
tension, Do not attempt to loosen_ move or
adjust them yoursef£ Serious personal inju_
or death could result, Call for protessior_aI
garage door servfceo
Str#_utal
_(y_p_.s ............ _Ciose the door and mark the inside
...... _.............. veAieal centertine of the garage door
_ilt * E£end the line onto the header wall
_:_ above the de_:)r
_ Remember, you can fasten the
header bracket within 2 feet of the
left or right of the door center only tf
a torsion spring or center bearing
p_ate is in the way; or' you can a_ach
it to the ceiling (refer to page 14)
when clearance ts m_nimaL (It may
be mounted on the wall upstde down
if necessary, to gain appro×imate_y
1/2 j
If you need to install the header b_acket
o,_ a 2x4 (on wall or ceiling), use lag
......... screws (not supplied) to securely @sten
the 2x4 to structu£d sqppof_s as shown
here and on page t&
Open your door to the highest
point of travel as shown Draw
an intersecting hodzanta_ line
on the header wat/2 above
the high point. This height wi_/
provide traw_t clearance for the
top edge of the door.
Door clearance brackets are
available for sectional doors
when headroom clearance is
_essthan 2°_ See accessory
page 38
ocH,) f ...........
Ce_r_g
He_der
of Trav_
Tr_:k
Proceed to Step 2_ page 14o
Sectiona! door
wtth curved track
12
One,_p_ece door
with horizontal track