Answers.Body: <p>According to Bricklink,  Set # 7730 has this motor :</p>
  
  <p><a href="https://www.bricklink.com/v2/catalog/catalogitem.page?P=bb12va&amp;idColor=5#T=C&amp;C=5" rel="nofollow noreferrer">bb12va Electric, Train Motor 12V Modern Type I with 2 round contact holes</a></p>
  
  <p>For disassembly and repair you can look at this <a href="https://www.eurobricks.com/forum/index.php?/forums/topic/113994-12v-train-motorbb12v-disassembly-and-repair/" rel="nofollow noreferrer">large post with pictures on Eurobricks</a> by Andromeda</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-03-08T16:07:57.870Z
Answers.LastActivityDate: 2018-03-08T16:07:57.870Z
Answers.UserDisplayName: Syberion
Answers.Body: <p>Unfortunately, repairing it will not work, if the shaft is bent, as the wheel would just fall off again.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-04-04T08:55:58.170Z
Answers.Text: Replacing shafts is something routinely done on non - LEGO mechanisms. Why wouldn't it work here, if it's bent?
Answers.UserDisplayName: Mołot
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-04-03T20:21:20.613Z
Answers.LastActivityDate: 2018-04-03T20:21:20.613Z
Answers.UserDisplayName: Crafter4017
Body: <p>I have a LEGO 7865 Red 12 volt train motor from a LEGO 7730 train set.  The motor has stopped working as it has been dropped on one of the wheels.</p>
  
  <p>How can I open the motor case to effect a repair?</p>
  
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2017-12-21T02:14:13.570Z
Comments.Text: Do you want to open the train unit or the motor itself?
Comments.UserDisplayName: Mast
Comments.ContentLicense: CC BY-SA 3.0
Comments.CreationDate: 2017-12-21T10:28:40.380Z
Comments.Text: I need to open the red case of the motor itself. I think that one of the gears has been forced out of engagement, maybe the shaft is bent,
Comments.UserDisplayName: RAP 77
Tags: <trains><repair><12v>
Title: How can I repair a red 12v train motor from Set# 7730?
UserDisplayName: RAP 77
ThreadText: # How can I repair a red 12v train motor from Set# 7730?
  
  (Asked by: username_0 on 2017-12-20)
  
  I have a LEGO 7865 Red 12 volt train motor from a LEGO 7730 train set. The motor has stopped working as it has been dropped on one of the wheels.
  
  How can I open the motor case to effect a repair?
  
  **Tags:** trains, repair, 12v
  > **Comments:**
  > **username_1**: Do you want to open the train unit or the motor itself?  
  > **username_0**: I need to open the red case of the motor itself. I think that one of the gears has been forced out of engagement, maybe the shaft is bent,  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_2 on 2018-03-08. Score: 1
  
  According to Bricklink, Set # 7730 has this motor :
  
  [bb12va Electric, Train Motor 12V Modern Type I with 2 round contact holes](https://www.bricklink.com/v2/catalog/catalogitem.page?P=bb12va&idColor=5#T=C&C=5)
  
  For disassembly and repair you can look at this [large post with pictures on Eurobricks](https://www.eurobricks.com/forum/index.php?/forums/topic/113994-12v-train-motorbb12v-disassembly-and-repair/) by Andromeda
  
  
  ---
  
  ### Answer by username_3 on 2018-04-03. Score: 0
  
  Unfortunately, repairing it will not work, if the shaft is bent, as the wheel would just fall off again.
  
  > **Comments:**
  > **username_4**: Replacing shafts is something routinely done on non - LEGO mechanisms. Why wouldn't it work here, if it's bent?  
  
  ---
  
  