Thread Number: 18744
Neptune Rumble
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Post# 304008   9/16/2008 at 12:15 (3,318 days old) by retro-man (nashua,nh)        

Well after 9 years and hundreds if not thousands of loads of landry later the dryer is rumbling. I guess it is time for a cleanout of the blower system. It is shooting all kinds of lint all of a sudden out the exhaust vent, so the thing must be pretty caked up and now it is out of balance. The model # is MDG400BWW. Can someone inform me where this is located and how to get to it. Front or Back? This is a gas unit also. Any help would be appreciated. Not going to use it till cleaned out don't want to wear any bearings out. Thanks

Post# 304029 , Reply# 1   9/16/2008 at 13:17 (3,318 days old) by coldspot66 (Plymouth, Mass)        

Rumbling sound could be due to a loose blower wheel. Most noticable on start up or coast down.

Post# 304108 , Reply# 2   9/16/2008 at 17:43 (3,317 days old) by redcarpetdrew (Concord, CA (But my heart will always be in sweet Nevada!))        
Not as bad as you think...

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Welcome to my wheelhouse. Open the door. There are 4 screws to pull; 2 holding the door hinge to the cabinette, 2 on the other side. You lift the door and hinges up to unhook from the front and the door comes off. The front panel looks like a 'U'. Roll the upper parts of the 'U' slightly outwards to unhook them from clips and the front panel drops forward to allow you to lift the panel off two hooks along the bottom front of the chassis. Now you have access to the gas valve and thermostats. Remove 6 5/16" screws (4 for the front bulkhead and 2 securing clips that hold the top down) and the front bulkhead comes off. Be carefull not to rip out wires that go to the door switch, sensorbar assy and drum light. Reach between blower housing and drum and ease the belt off the idler pully (try to remember how it threads for easier re installation) and the drum comes out. Remove 1 5/16" and 8 1/4" screws and the front of the blower comes off. NOW you can check the condition of the idler pulley, rear support rollers, front glides and the blower wheel (watch out for the clips that hold the blower and rollers on. THEY WILL FLY AWAY AND LAND IN THE WORST PLACES!). Delint that sucker! Compressed air is preferred for removing all dust and lint from the motor although a good shop vac will work (see sister site for recommendations on a good shop vac - that was for the web master ;) ) When re installing the drum, be careful not to pinch the felt seals. As usual, pictures of before and after are requested. Hope this helped.


Post# 304330 , Reply# 3   9/17/2008 at 16:15 (3,317 days old) by retro-man (nashua,nh)        

Thank you RCD that is exactly what I was looking for. Will take on this project tomorrow afternoon. Had to work today and not enough time to take this on. You always come thru for me. Much appreciation.

Post# 304338 , Reply# 4   9/17/2008 at 16:34 (3,317 days old) by neptunebob (Pittsburgh, PA)        

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lets see if this works.

Post# 304340 , Reply# 5   9/17/2008 at 16:37 (3,317 days old) by neptunebob (Pittsburgh, PA)        
Hi, all

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I just took step by step photos on how fix the dryer but I hate to admit this I have no idea how to transfer them from Adobe to here. Anywhere I could turn for advice? Bob

Post# 304368 , Reply# 6   9/17/2008 at 18:55 (3,316 days old) by redcarpetdrew (Concord, CA (But my heart will always be in sweet Nevada!))        

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One more thing... If you are going to pull the rear support rollers and idler pulley to clean the varnish that appears on the shafts, use a good turbine oil like Zoom Spout. Do not lubricate with WD40 or the such. It'll dry up and you'll lose the lubricating benefits...


Post# 304475 , Reply# 7   9/18/2008 at 14:32 (3,316 days old) by retro-man (nashua,nh)        
Well nothing there

I turned the dryer on last night for a few minutes on air only and the rumble didn't seem as bad. Shut it off went to bed. Tried it this morning for a few minutes and it seemed to be back to normal. Went out back and there was a large pile of lint blowing around. So I took the exhaust off vaccummed that out back of dryer and tube. Followed RCD instructions to the T and gained access to the blower. Clean as a whistle. No lint at all. Cleaned out the bottom of the cabinet, maybe a quarter inch of lint and dust, Not bad considering age and amount of laundry. Checked everything and all looks good. Put it back together and working just like new. Sorry no pics as everything was clean. It must have worked its way out of the blower by itself.
Neptunebob. You need to move the pics from adobe to a file in your documents. Once there just click on browse in the thread and look in your documents. Right click on select then paste to thread. Hope this helps.

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