How difficult is it to replace a Door Gasket - True TS-49F Freezer

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There is two sizes

https://www.partstown.com/true/gdm-49f/parts?searchwithin=capillary

Parts suppliers

https://www.google.com/search?q=True+GDM-49F-LD+parts

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Did someone attempt to charge this unit with refrigerant?

our freezer is set to defrost every 8 hours for 15 min. this seem to do the trick. we have a true t-49f reach in freezer. try this setting and see if it works for your situation.

What gas is it on? R404a 12 -14 psig

Could be a number of things. It has a thermistor that sits on the evaporator to keep the fan off until it gets cold. It also has a switch above the door that switches the fan on when the door's closed. It could be a loose connection in the wiring, or, lastly, it could be a seized fan

Most all commercial freezers like yours have, what is called, a fan delay. It is located in the evaporator case and is usually attached on or very close to the actual cooling coil. It may also be a combination switch known as a defrost terminator/ fan delay. It's purpose is to keep from circulating warm air. If the cooling coil does not reach a preset temp, the fans do not come one. Another thing is that the fan motor may just be bad. If you have more than one fan, then chances are that it's going to be the fan delay. I would start there to see that either the fan delay switch is bad or there is a reason that the coil is not getting cold enough to activate the switch.

Call 1-800-673-1262

It sounds like you may be on the right track here. If the gasket is old, hard, and brittle, it will allow moisture to be administered into the freezer, causing frost buildup. Not to mention, that old door gasket is leaking out a lot of cold air. Your best bet is to provide the model number (as you've shown here) and the serial number to an appliance parts store or authorized GE appliance parts outlet. They should be able to provide you with a brand new gasket. Removal and re-installation of the new gasket is fairly simple and you'll notice a big difference, not only in the lack of frost buildup on the inside of the freezer (especially in the summer) but you may even see a noted improvement on your electric bill as well!

I hope this helps and let me know if you need any further assistance! :)

The most important thing is to make sure the new seal is warmed up to room temperature so it is soft and workable. Since the seal on mine is attached to the top door there is nothing to gain by leaving the door attached. Working upside down would leave the door open longer than just taking it off.

If you still have food in the freezer just put blankets over the top until the door is back on. If you have screws holding the seal it will go much easier. Mine has plastic pins that break easily pulling them out.

Get the edges as straight as possible to avoid leaks.

find model number , serial. local distributer or factory can get that for you