How to replace a market umbrella cord
Don't throw away a perfectly good market umbrella because the cord is broken. Market umbrellas' versatility combined with their ease of operation makes them a useful shade system for many patios and yards. The most vulnerable part of the umbrella is the mechanical cord system used to open and close it.
These cords become frayed and break. Do a little proactive maintenance to avoid broken cords, or do a complete overhaul to expand the life of an umbrella.
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Inspect the centre post of the market umbrella for signs of wear to the cord before it breaks. Look for visible discolourations in the cord which indicates mould or weather damage. Check for signs of frayed or loose threads on the cord from contact with the operating mechanisms.
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Measure the distance from the top of the pole to the hole where the cord enters and exits the pole. Double this measurement and add four feet. Purchase this amount of replacement cord in a similar dimension and type to the original. Check the label on the replacement cord to make sure that it is weather resistant and braided.
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Cut the existing cord and secure the new replacement cord to one end of the old cord using twist ties and electricians tape. Join the two cords together as flat as possible by laying two inches of one cord on top of the other, securing them together with twist ties, and wrapping the joint tightly with electrician's tape.
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Pull the joined pieces through the pulley system slowly. Fish the new line into the hole in the centre post while pulling the old cord through. Allow the joint of the two pieces of cords to curve through the pulley and through the post and back out through the original hole. Tie the two new cord ends together securely.
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Test the operation of the market umbrella to determine that the replacement cord is operating over the wheels of the pulley system.
Determine the final length of the replacement cord by operating the umbrella up and down before cutting the cord. Leave enough extra cord to securely wrap the cord onto the cleat.
Cut the excess replacement cord and tie a knot.
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Replace missing cords by threading a flexible 10-gauge wire completely through the pulley system.
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Pull on one side of the wire, then the other to determine that the wire has gone over the wheels of the pulley. The wire should move freely on the wheels of the pulley.
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Secure one side of the replacement cord to one end of the wire by twisting the wire around the cord. Tape the two ends together tightly using electrical tape. Pull the new cord through the system, slowly allowing the joined pieces to pass through the pulley system until both ends of the cord are visible.
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Tie both ends of the new replacement cord together with a secure knot. Determine the final length of the replacement cord by operating the umbrella up and down before cutting the cord. Leave enough extra cord to securely wrap the cord onto the cleat. Cut the excess replacement cord and tie a knot.