Thread Number: 90137
/ Tag: Vintage Automatic Washers
Maytag brake assembly question, used on LAT series and others |
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Post# 1147148 , Reply# 1   4/22/2022 at 10:11 (734 days old) by qsd-dan (West)   |   | |
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Check the stop lug adjustment and make sure it's within spec.
www.automaticwasher.org/c... I had a rare situation on my A9900 where the pulley was sticking a bit and didn't feel right when engaging the brake during a restoration process. I replaced it with another new brake package and the problem still existed. Grabbed a spare transmission pulley, installed it, and problem went away. Very uncommon problem though. The brake package can be opened up, just remember it's under 200 pounds of pressure. Here's a trick to opening it up without the use of special tools: Replace every other brake drum retaining screw...one at a time... with 1 ˝” long 8-32 machine screw and snug them against the drake drum. Remove the four remaining brake drum screws and then alternately the four long machine screws just inserted. The idea is to lower the brake down evenly to avoid bending it. As the screws are loosened, the brake spring will reach the limit of its extension. You will run out of spring pressure before you run out of screw thread. |
Post# 1147177 , Reply# 3   4/22/2022 at 16:54 (734 days old) by combo52 (50 Year Repair Tech Beltsville,Md)   |   | |
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I’ve only seen a handful of brake assemblies ever fail in a Maytag, all of them had a bad linnings and they squealed when the thing came to a stop. They were early 60s machines only, never saw a bad brake on an 06 MT or newer machine.
The brake assembly does not use automatic transmission fluid it uses a heavy oil 70 80 90 weight etc. would be ideal.
I can’t imagine any reason to take a brake assembly apart you can’t get a parts for it anyway.
The problems you’re having with your washer don’t sound like brake problems.
John L. |
Post# 1147215 , Reply# 4   4/23/2022 at 07:30 (733 days old) by billythekid (WA State)   |   | |
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If not the brake assembly that's causing issues, what might I look into, and why? Thanks. |
Post# 1147232 , Reply# 5   4/23/2022 at 14:40 (733 days old) by qsd-dan (West)   |   | |
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It's sounding like it's the helical threads or the transmission pulley.
Remove the transmission pulley, and for fun check the pulley bearing for smooth operation. In rare instances, the bearing shell will crack. Remove the brake package and carefully inspect the helical threads for burrs or anomalies. Also inspect the pulley threads. With the brake package out of the way, you can carefully run the pulley the entire length of the helical shaft without fighting the brake spring. Something should reveal itself at this point. With the brake package out, remove the radial beating and check it for smooth operation. |