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Old 04-10-2018, 09:21 AM   #1
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City: Westerly, RI
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Mainship 350 Slider issues

1999 Mainship 350

I have three issues with the main slider.

1) The Frame on the screened slide is tweaked. Anyone know if this screen slider is replaceable?

2) PO replaced the rollers in the side, helm slider, but not the main slider. Does anyone know the details on the rollers for the main sliding door?

3) It looks like someone over torqued the screws for the lock mechanism on the main slider. Portions of it have now cracked and fallen off. Does anyone know if this part is replaceable?
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Old 04-10-2018, 11:00 AM   #2
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Yes they are made by Southco Mobella. They have many different styles so a call to them is your best bet. They do not sell direct but when I needed a new locking cylinder they gave me a name of a dealer 20 miles from me in Canada and got me the parts in 2 weeks.


https://www.southco.com/en-ca/mm-ss
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Old 04-10-2018, 01:14 PM   #3
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There often seem to be questions and lots of answers about the doors on the 350/390s on the Mainship Owners Group. You might have better luck there for this type of question.

https://groups.yahoo.com/neo/groups/mainship/info
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Old 04-10-2018, 02:08 PM   #4
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Quote:
Originally Posted by danderer View Post
There often seem to be questions and lots of answers about the doors on the 350/390s on the Mainship Owners Group. You might have better luck there for this type of question.

https://groups.yahoo.com/neo/groups/mainship/info
Thanks, I'll give it a try. I just wish their forum and features didn't SUCK!!
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Old 04-23-2018, 02:46 PM   #5
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So this was an interesting project.

Removing the Main Sliding Glass Door:

To remove the slider, you had to remove the black plastic track screwed into the top of the frame. You can remove two of the screws with slider completely closed, and the other two screws with the slider completely open. You can then slide the track our from above the door.

With the track out, you can lift the door off of the bottom rail, then tip the bottom out, now you can lower the door from the upper track.

Removing the rollers (trucks seems like a more appropriate word here).

1) Lay the door down on a flat surface.
2) Remove the machine screws at the bottom of the door frame. (not the roller adjustment screws)
3) Remove the bottom frame of the sliding glass door (It slides DOWN)
4) Inside of the bottom rail, will be phillips head machine screws. Remove these screws to remove the rollers.
5) Slide the rollers out the ends.

I took mine to a few hardware stores. I found exact replacements at Lowes. Take the measurements and there are a few online as well. I'll see if I can post a link to the model online.

NOTE: During remounting, you're going to want to have some heavy bedding compound. The gasket that mounts the glass is cut and exposes the corners of the glass. I had to remove the old bedding compound to expose the screws to the rollers which were underneath it. This required me to re-bed the corners again during installation.
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Old 07-01-2018, 12:30 PM   #6
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Shrew, thanks for the info. My newly acquired 98 Mainship had a jammed rear slider. You would have to pick it up with two hands to open or close it. I followed your instructions to the letter and found exact replacements at Ace along with new weather striping. It now works better then my house slider. Great forum information.
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