Sears 39.18205SR - 1/2 HP Owner's Manual page 11

PLEASE READ AND COMPLY WITH THE WARNINGS ON PAGE 10. THEY APPLY TO THE INSTALLATION
OF THE HEADER BRACKET REGARDLESS OF DOOR TYPE.
1. Close door and mark inside vertical centerline of
garage door. Extend line onto header wall above
door.
2. Open door to highest point of travel as shown.
Measure the distance from top of door to floor.
Subtract actual height of door. Add 8' to remainder
(See Example)
NOTE: If the total number of inches exceeds
height available in garage, use the maximum
height possible. On finished ceilings, do not
position the bracket closer than 1/2" from ceiling.
Header
Bracket
Door
Jamb
Hardware
INSTALLATION STEP 2
Attach Tee Rail to Header Bracket
(All Door Types)
Clevis Pin
5/16"x2-3/4 "
ONE-PIECE DOOR WITHOUT TRACK
Highest Point
of Travel
ONE PIECE DOOR
NO TRACK
JAMB HARDWARE
Header
Bracket Ring
Fastener
Cable
Pulley
Bracket
Packing
Material
Distance from top of door
(at highest point of travel) to floor ...........................92"
Actual height of door...........................................– 88"
Remainder.................................................................4"
Add........................................................................+ 8"
Bracket height on header wall ............................= 12"
(Measure UP from top of CLOSED door.)
POSITION AND FASTEN HEADER BRACKET AS
DESCRIBED AND SHOWN IN NO. 3 ON PAGE 10.
Header
Bracket
Door
Pivot
PROCEDURE: Position opener on garage floor below
header bracket. Use packing material as a protective
base.
NOTE: To enable Tee rail to clear sectional door
springs, it may be necessary to lift opener onto a
temporary support.
CAUTION: The opener must either be secured to a
support or held firmly in place by another person.
Raise Tee rail until pulley and header brackets come
together. Align bracket holes and join with clevis pin as
shown. Insert ring fastener to secure.
11
EXAMPLE
Highest Point
of Travel
ONE PIECE DOOR
NO TRACK
PIVOT HARDWARE