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Acorn/Brooks 120 motor gearbox
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Just thought this may be of help to someone, my company are repairing the gearbox of 120 straight lifts.
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Do they have a problem?
Acorn used to give a 10 year warranty on motors and gearboxes, I think it’s down to 2 or 3 years now but the only issues I ever have is the gearbox side seal going allowing a pool of gearbox oil to accumulate in the bottom end cap. -
You are right about the warranty being only 2-3 years now. We have had quite a few gearbox failures over the years, until now we would have to replace the carriage as a replacement motor gearbox from acorn was almost the same price as a new carriage.
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What warranty is supplied on the repairs and type testing approval as the gear box is a key component to prevent unitentional movement and self sustained locking of the carriage? are original OEM or third party parts fitted for repairs?
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We replace the damaged gear in the gearbox. It is then bench tested for 1 hour current draw is monitored before testing on a carriage on a rail with a load. Warranty is 6 months.
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