crwdns2915892:0crwdne2915892:0
Teardown of the Honda robot mower Miimo
Type number: HRM300 - EAE MAWF 1003989 2013
Reason: check if suitable for RTK GPS kind of projects like OpenMower
see also:
Honda Miimo HRM 300, 310, 500, 520 Service Tipps#2 Abdeckung Cover ab aufmontieren - YouTube
https://www.youtube.com/watch?v=zvxXIWPF...
HRM310 HRM520 (Miimo 310, 520) Setup Tutorial 1 - Overview - YouTube
https://www.youtube.com/watch?v=YS1D5IMA...
HRM310 HRM520 (Miimo 310, 520) Blades Replacement - YouTube
https://www.youtube.com/watch?v=9HY75Jsg...
Honda Miimo HRM 300, 310, 500, 520 Service Tipps#1 Lager Messerteller Räder - YouTube
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turn upside down
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loosen cover by bending clicky white stubs
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disconnect cable
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remove screws from suspension
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not necessary to remove
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I cleaned 1 of 3
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Insert wisdom here.
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motor info 36000VP7004, LA034-040NNG01, 8 wires, SHINANOKENSI
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datasheet not found, probably shinanokenshi is now aspina-group. https://www.aspina-group.com/en/contact/... catalog shows LA052-040 inner rotor brushless dc
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probably brushless DC motor, 3x phase drive, 3x HAL feedback, 1x vcc, 1x gnd
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4 wires: red, black, white, blue(thin)
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1800mAh 22.2V 40Wh
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lithium ion
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from website: Original Artikel Nr.: 31520-VP7-C10 Ersatz für Artikel Nr.: 31520-VP7-751 passend für: HRM300, HRM310
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use wrench 25 to hold shaft below the blade holding disk
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Insert wisdom here.
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8 wires, probably DC brushless motor
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pin 1=U,2=V,3=W 1=HU,2=HV,3=HW,4=VCC, 5=GND
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https://www.aspina-group.com/en/products... outer rotor brushless dc 24V 2.1A
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marking DR-6236-249 brand shinanokenshi, probably now aspina-group
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Insert wisdom here.
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Insert wisdom here.
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Insert wisdom here.
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Insert wisdom here.
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Insert wisdom here.
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looks like dual layer PCB when holding near a light
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silicon heat transfer to metal shield for probably the motor cutter driver
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localized coating against water for longer lifetime
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Insert wisdom here.
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probably 4 layer PCB
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