If you've reached this web site, you've probably also discovered that the W.B. Marvin company web site informs that they are no longer in business.
I have a Marvin 7260 Ceiling Mount radiant heater, without light, and just had my pull string break as I gently tugged on it to warm my shop.
As I stood there with the the string dangling in my hand, staring dumbfounded at the unit hanging from the ceiling, I realized that I've been using this heater for quite some time and never paid attention to where the string was attached...
I dismounted the heater from the ceiling, poured a cup of coffee, and began a stare down with my old friend. That's when I remembered that I bought two and one was still packed away in the box.
Be sure the heater is cold enough to handle, unplug the heater and dismount from the ceiling, where applicable.
If you're like me and don't remember where the string was attached, it is attached on the side of the unit which has the temperature setting gauge bars.
Adjust the hanging bracket so that you see and access the two screws holding the side panel on the heater. Be sure the screws are fully loosened and pull the side panel from the heater (Note: the hanging bracket may limit how far you can remove this panel).
Peek inside and you should be able to see the other end of the string attached to a tab next to the temperature setting bar gauge. If it was a clean break and there is no string on the inside, you should be able to see a shiny metal tab with a hole in it mounted behind the plastic temperature bar knob.
Decide whether you are going to upgrade your string or reuse the existing one. Thread it through the hole on the front grill immediately in front of the gauge and then through the hole on the shiny metal tab and tie a knot.
Reassemble the side panel to the heater with the two screws - Be sure that you do not tighten these screws too tightly as you are screwing into light aluminum which can be easily stripped - snug is good enough. Plug the heater in and test it. If all works well - remount and enjoy the radiant heat.
Keep in Mind: These heaters cost me $29.99 at Home Depot and therefore are not necessarily worth investing a lot of money or time in repairing. This pull string repair is quite simple however it would be quite reasonable to simply replace the heater if something serious were wrong with such.
Now...Pour yourself a cup of coffee and get that look off your face...!
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take the string attachment off there are 3 or 4 small bolts , maybe 5/16 take them off or it may be riveted drill them out fix cord rewind spring right ,put back on with the bolts or put new ones on , good luck easy job
take off the hood remove any old string, now wind up the spring and hold it tight put the new string through the hole in the hood and into the hole in the crank wheel pull it through 6 or 8 in. slowly let the spring unwind now tie a knot in the rope and you're done
Go to a hardware store and ask them if they have ant bulk pull starter rope. Buy about 3 feet or so of the small stuff (it is only 30 or 40 cents a foot, cheaper that the kits) Remove the motor cover with the pull start and turn it so you can see the wheel inside. Remove the knot that held the old rope in the handle and then cut the knot on the starter wheel and pull out the tag left in there. Now the fun part. The wheel is spring loaded and the spring has no tension on it after the rope broke. Wind it up like a clock spring until it is tight then back off until the holes where the cord goes line up. Stick a small screw driver, nail, ect in the slot to keep it from unwinding . Do not tie the handle to the cord yet. Slide the new cord through the hole in the cover and wheel and then tie a knot in the cord and pull it snug in the wheel. Hold the rope and remove the pin and let the cord slowly wind itself up. Run the cord through the hole in the handle, Adjust to the length of pull you want and tie another knot. Reinstall the motor cover (if it binds and wont go on, pull the rope just a little bit to line up the crank with starter wheel and it will slide down.)
It sounds a bit windy but it really is a simple fix.
The pull cord assembly either has something jammed in there or it's busted. Take the 3 or 4 bolts out that hold in on to the top, and inspect it for damage. If there's nothing in there or it's not damaged it might have just slipped off the spring. Rewind your cord and reinstall it.
Very simple to install the replacement element. Insert one end of the element into the bottom receptacle on either side, press the element down (it's spring-loaded), then slide the top of the element into the center opening of the top receptacle, push to appropriate side (the side of receptacle, same as the bottom), then release. Then do the same with the other element (if both are out).