Roll Up Doors, Commercial Door, Garage Door, OverHead Steel Door, Roll Up Shed Door and Roll Up Barn Door.
Model 650/750 Tension Device Adjustment
Over a period of time, it is possible for the
springs to relax. Therefore it is suggested you
check the tension at the time of installation and
periodically over the course of a year. The spring
tensioning device that comes standard on all
doors makes this process virtually effortless.
Raise and lower the door to test the door
balance. If the door is easy to close but hard to
open, you will need to add spring tension. If the
door is hard to close but easy to open, you will
need to remove spring tension.
For a "cold" door that needs additional tension,
offset the balance of the door by positioning the
bottom bar ten inches below the opening
header. Carefully insert a winding bar or
screwdriver into the ratchet tension device
located on the left bracket. Slowly rotate the
tension device in a clockwise direction until the
door begins to open and the ratchet clicks and
locks into the next position.
For a "hot" door that needs tension removed,
place the curtain in a fully open position. Insert
the winding bar into the tensioner and apply a
slight amount of pressure so that you can
carefully lift the ratchet pawl. Then, while
rotating the tension device in a counterclockwise
direction, carefully release the pawl to allow it to
lock into the next available groove.
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REMEMBER: SAFETY FIRST! Anyone who has above average mechanical skills and is able to follow detailed yet easy to read instructions, should be able to safely install sectional garage doors with extension springs or the "simple set torsion spring system". Standard torsion spring doors should always be installed by a professional. Since we have no way of knowing your skills, we recommend all overhead doors be installed by a professional.