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- This topic has 3 replies, 2 voices, and was last updated 10 years ago by
kevin.
Liberator OSG problem
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the-stairlift-man
MemberI guess this is the first proper thread on the new forum. I hope it goes on to become a success.
I am looking after a Liberator stairlift which occasionally (every 7 months) trips the OSG. It has done it three times now.
Everything checks out OK and once re-set the lift is happy as Larry.
Has anyone come across this or have any idea how the problem can be resolved?
Thankyou
Mike
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kevin
ParticipantCheck for build up of lint and dust on the rubber of the activator cam roller, tension of the hold-off spring, if it happens on a flat section check nothing is pressing onto the top of the skate cover and that the nodder is clear of the cover also.
Over time the brake can become worn where it sits around the roller shaft, you’ll feel side to side movement if you give it a try, once in a blue moon that movement is enough for it get out of alignment to a point where it grips the roller shaft and activates.
Don’t know if Powerdrive are still carry spares, other than that if you don’t have a spare skate then the only real option you have is to keep resetting or sell them a new lift.
It may be that if you can source a slightly stronger hold off spring that may help a little, but I’d be very wary to do any sort of alteration to the osg.
Think it may be time to upgrade or at least prepare the ground -
the-stairlift-man
MemberThanks Kevin
Powerdrive only have the whole OSG skate assembly and it isnt cheap.
The nodder is engaging the wheel which rules out the worn brake and the hold off spring, everything is clean and nothing is touching.
There is a small bent arm under the nodder onto which the nodder spring is located. I could rotate this a little to increase the spring tension a tad which should reduce the chance of tripping. I am a reluctant to do this as it will increase the tripping speed too. Does anyone know how to set this as the spring may have weekened with age?
Thanks
Mike
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kevin
ParticipantSorry mate can’t agree it’s primary safety gear, price must not come into the criteria.
Are you talking about the spring which returns the nodder after the trainagular cam has pushed it down? Although you can get replacements, or at least you could for bison classics, the whole device is factory tested and as you say you would be changing the tripping speed.
Personally I would hate doing it but I would give the owner the option to either put up with it or replace, your hands are tied. How much are powerdrive asking for a skate?
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