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Helpful Tips For Maintaining Your Garage Door And Opener
Garage Door
We recommend performing the following inspections every 6 months:
- Check lift cables and rollers for visible signs of wear (cable fraying,
roller bearings loose or sloppy). Never attempt to adjust or replace the
springs, cables or bottom roller brackets yourself as all of these
components are under extreme tension and serious injury can result.
Call us if you notice any problems with these items.
- Check the balance of the door. Start with the door in the closed
position. Pull the emergency release rope to disengage the door from
the electric opener. Open the door by hand half-way and release.
The door should move easily and stop in a balanced position at the half-way
point. If the door wants to drop down or open up by itself from this
point either the springs need to be adjusted or they are the wrong springs
for the door and should be replaced. Note: all springs are
under extreme tension and should only be adjusted by a qualified door
mechanic. Serious injury can result if adjustment is attempted without
the proper tools and knowledge. A well balanced door should not
weigh more than 3 to 4kg.
- Lubricate the moving metal parts on the door (roller bearings, hinges and
springs). Do not
lubricate tracks as this is not necessary and will only attract dirt
affecting performance. A spray lube is the easiest to use. You
may also use a motor oil like 10W30 and wipe off excess oil with a
cloth.
Electric Opener
We recommend performing the following inspections every 3 months for
safety reasons. Electric openers are capable of producing significant force
when opening or closing your door and if not properly adjusted can cause serious
injury or death from being hit or trapped by the moving door.
- Check the automatic safety reverse sensor on your electric opener.
While door is closing grab bottom of door when it is about 1/2 way closed.
Door should stop and open back up. If the door is hard to stop or
can't be stopped at all, adjust the down force sensitivity adjustment knob
to a lower number (some brands don't have numbers and will say increase or
decrease sensitivity - in this case you want to increase sensitivity).
Re-perform reversing test until door reverses properly. Please note
that if the sensor setting is too sensitive the door may reverse under
normal operating conditions, if it is not sensitive enough the door will not
be safe to use. If you cannot get the reversing sensor to activate the
door is not safe to use and you will require a service call to have your
opener repaired or replaced.
- Place a 2x4 on the floor under the door laying flat. Use the
electric opener to close the door. The door should reverse and open
upon contact. If the motor keeps trying to close the door after
contact re-check sensitivity adjustment. If the door stops on the
obstruction it may not be set to close far enough. Adjust the down
limit to close the door further. This adjustment should be made
without the 2x4 in place so you can see when the door is closed far enough
to seal properly on the floor. Re-do 2x4 test after making this
adjustment.
- Lubricate the chain with a light weight motor oil
- Lubricate the boom (long bar the traveller slides along). The
traveller is the piece the emergency disconnect rope is hanging from.
Note: lubricate the boom only if your traveller is made of steel. If
you have a plastic traveller the boom should not be lubricated.
- In addition to the sensitivity adjustment, newer door openers are equipped
with infra-red photo-eyes as an
additional safety feature. If these eyes are blocked by an object, or
if they are bumped out of alignment your door will not close from your
remote controls. You will still be able to close it by using constant
pressure on the wall button. In either case the opener thinks
something is in the way and will not allow the door to close. Remove the
object or re-align the sensors.
- The procedure to re-align the sensors is as follows: determine which eye
is the sending unit by putting your hand in front of one of the eyes.
If the light stays on it is the sending eye. If the light goes off it
is the receiving eye (this eye will only light up if it is receiving a
signal from the sending eye). Move the eyes until they are pointing
directly at each other. Pay close attention to the light on the
receiving eye. When it comes on with a steady glow (not dim or
flickering) it is receiving a strong signal. Try closing the door with
your remote and your problem should be solved!
Feel free to call us with any questions you may have at 543-6900 or email us
at service@door-house.com
(Calgary, Alta. Canada only)
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