Question about Bushnell NorthStar 78-8831 (525 x 76mm) Telescope

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Motors dont work even with new batteries

I cannot grt the motors to work on my 78-8831. I even tried new batteries. Is there a fuse?

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I had the same problem. I removed the motor and drive assembly and used a pair of pilers to gently rotate the drive gear a few times in both directions. I re-installed it and it began to work again. I also noticed that the grease on the drive gear and shaft was very thick. Cleaned and up and re-applied a lithium based grease and it helped even more. Be sure to remove all old grease from the aluminium block that the drive gear shaft rest in. Good luck.

Posted on Feb 19, 2012

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I posted to a problem with the handset not working and I'll ask the same here. You are switching on the small black button by the battery compartment? It should light up red and power up the handset. Then it's just a case of going through the menu, picking an alignment point and the telescope should start moving automatically.

Posted on Jan 19, 2008

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Posted on Jan 02, 2017

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run a wire from the positive of the battery and put the red wire of the volt meter to it and place the black wire of the meter to the black that goes to the motor.

if there is 12 volts, you have a negative terminal to the motor.

if you dont have, then you dont have the negative terminal to the motor.

next transfer the wire from the positive terminal of the battery to the negative terminal of the battery.

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tnx 4 using fixya,

cheers,

drcool


p.s.

you could have just missed the black wire to be screwed on the housing of the blower motor.

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1 Answer

Keeps saying to change batteries


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When I put in some alkaline batteries I had no problem.
I cleaned the contact surfaces of the NiMh-batteries and the contact surfaces in the camera. Up till now I have had no problems.
grt.
Aad

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