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We all know this cheap hobby motor. It can be had on ebay for $5 or less
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Bend the tabs to get the rear motor brush cap off. Remove brush cap from metal motor casing.
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Tin your solder iron with SILVER BEARING SOLDER. Apply the tinned solder iron to the back side of the finger brushes that you just used the FLUX on. DO NOT USE LOW TEMP ROSIN CORE SOLDER this will "gunk" up the brushes and eventually melt.
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Why silver bearing solder?
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Teflon grease is good stuff
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Before replacing the brush cap add grease
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Gearhead modifications
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Taking apart the gearhead
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Removing the unecessary gear head parts
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Evernote Camera Roll 20140513 213558
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Cut off the rear shaft staff
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Material to make a shaft retainer clip
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Cut a shaft retianer clip
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Shaft retainer clip cut
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Evernote Camera Roll 20140511 145049
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Evernote Camera Roll 20140513 213810
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Evernote Camera Roll 20140513 213842
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Screw length for redone motor gearhead
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Motor test update @9v
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Sayama compared to another similar chinese gearhead
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Chinese motor similar to the Sayama gearhead
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9v DC motor 10x12x15mm
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Before: 9v motor brushes before running
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After: 9v brushes after 120 Hours of running
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Before: Motor commutator before
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After: Motor commutator after 120 hours
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Low speed forward and reverse
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Full speed test
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6mm planetary gearhead.
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New supplies. Motor testing will resume.
