Thread Number: 36799  /  Tag: 80s/90s Vacuum Cleaners
Kirby G4 Troubleshooting
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Post# 393726   6/23/2018 at 00:44 by repairman (Stickney, IL)        

I've recently obtained a Kirby G4 and it seems as if the motor is stuck on the high speed setting. If I remove the cleaning head, the machine will still operate with the bag attached. Would I need a new switch?

Post# 393728 , Reply# 1   6/23/2018 at 01:55 by huskyvacs (Northern Indiana)        

huskyvacs's profile picture
Not sure I have heard of this problem before, but if the machine still runs with the brushroll removed, then yes the switch is jammed. Unplug it of course, and get an air duster and electrical contact cleaner and blow it out then clean it with the contact cleaner and stick a small screwdriver in there and fiddle with the switch and manipulate it. If that doesn't fix it, then yes you would need to replace the switch.

More often than not they get dirt buildup in there and it jams the switch up. I have a Kirby Heritage II that someone said didn't work and the motor was dead. Turned out the safety switch was just stuck from rust and some contact cleaner and then poking it with a screwdriver and loosening it up fixed it.

Post# 393741 , Reply# 2   6/23/2018 at 17:10 by Lesinutah (Utah)        

lesinutah's profile picture
When I got my g4 was a carbon brush. I think if you take off fan plate where nozzle of a hose pushes in as sensor sometimes take plate off clean up gunk fixes it as goop loddges it open.

Post# 394043 , Reply# 3   6/29/2018 at 14:00 by Repairman (Stickney, IL)        

I had a spare switch from my parts G6 which worked out perfectly. Now the motor runs in the low speed setting and does not turn on when nothing is attached to the front.

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