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Old 11-05-2012, 06:56 AM   #1
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HWH 325 series leveling system

Our hydraulic pump motor brushes are worn out. HWH says the only cure is to buy a >$700 pump/motor/tank assembly. All we need is 4 new brushes. See attached. Can anybody tell us where we can find new brushes?

Thanks
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Old 11-05-2012, 07:37 AM   #2
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I'll "assume" you dont have a manufacturer nameplate on the motor itself. I would go to a local starter and/or generator rebuild shop. They have access to a multitude of parts and they know where to look. I'm sure you could find them online but the search may not be quick.
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Old 11-05-2012, 07:46 AM   #3
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Go to an electrical supply house and either take the pump or your pictures and all the info off the motor: motor mfg, voltage, amps, type, model # ser. # , and anything else you can think of. A lot of pump mfg's use the same Motor.
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Old 11-06-2012, 08:51 AM   #4
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the manufacturer of the pump assembly doesnt use that motor anymore. they consider it obsolete. hwh cant get it anymore, hence the need for a new pump and tank assembly.
you may find one on ebay. i have seen several for sale. there are also many salvage yards that deal in used rv parts. colaws in carthage missouri or arizona salvage in phoenix az. the only difference is the shaft on the newer motor is longer. its the same shape and diameter. maybe it could be modified, or use the brushes from that motor. as i remember, there is a motor for a snowplow lift sold by northern wholesale that also fits some hwh pumps, it was way cheaper. . sorry not much help. just have been in the same perdicament
this should be an obsolete (hwh) fenner-stone pump, if it is, the pump motor hwh number is RAP0640, and the stone number is #4042 this information was taken from the hwh parts catalog on their website.
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Old 11-06-2012, 04:03 PM   #5
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motor & system stickers

Here are the the stickers from the motor and the tank. Hope this clarifies.

Thanks

Richard
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Old 12-05-2012, 06:04 AM   #6
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repair finished

$5 O'Reilly Auto Parts brush set works fine. We removed 3 of the 7 strands from the shunt wires so they wouldn't be so stiff. Next time, we'd mill as much as possible from the shunt end of the brush, so we could leave more usable material on the commutator end. See attached.

Still looking for exact fit for spares. If we don’t find any, we’ll mill another set from O’Reilly.


Thanks all for your help
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Old 12-05-2012, 08:23 PM   #7
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Keep in mind, most of the pump motors used by HWH are the same motor used on the lift gates of many heavy duty delivery trucks and trailers. HD truck and trailer parts and repair shops and local starter/alternator repair shops are sources to consider.
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Old 12-16-2012, 04:18 AM   #8
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Found spares

Happy to report we finally found a vendor both willing and able to provide our spare brushes without our knowing the make or model of the motor:

www.turboandelectric.com

ask for Item: WAI68-8315, Description: ^BRUSH-MI PMGR

Dimensions are 5x12x17.6mm. Length may need to be trimmed some (we’ll find out when we inspect our home-made brushes in a year or so), but width, thickness, and shunt wire are perfect.

These people really went out or their way to help us.

Thanks to all at iRV2 for your input.
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Old 12-16-2012, 05:04 AM   #9
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This is great info to keep in the old tool box library. Thanks for posting to help everyone along.
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