Title Page
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Site conducted
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Conducted on
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Prepared by
Lift Information
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Lift Type and Description
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Lift ID Number
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Manufacturers Serial Number
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Lift Location
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Signed
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Name
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Position
A.7 Overspeed Governors
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Overspeed governors should be subject to supplementary testing to
ensure correct electrical and mechanical operation at the appropriate
tripping speeds (including sufficient gripping force on the rope to
activate the safety gear). A tripping speed test with the safety gear
disconnected is not generally considered an onerous test and should be
carried out at 5 yearly intervals.
Where a test of safety gear according to 4.6.2 or 4.6.3 is not carried out,
then the operation of the system and adequate pull-through force to
engage the safety gear should be checked by tripping the overspeed
governor with the empty car descending at reduced speed or manually. It
is recommended that this be included as a periodic test at 5 year intervals
unless there is evidence to suggest more frequent testing is required.
Such supplementary testing should be carried out as mentioned above and
on every occasion that an overspeed governor has been subject to any repair.
Where test techniques are not known e.g. electronic overspeed
governors, always refer to the OEM manual for guidance on how these
tests should be undertaken. -
Date of last recorded dynamic test if known
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Indicate car or counterweight
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Governor type
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Serial number
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Does the overspeed governor have a permanent label indicating the tripping speed?
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Is the overspeed governor calibrated correctly for the rated speed of the lift and safety gear?
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Does the pull through force of the governor effectively engage the safety gear against the guide rails?
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If NO, explain
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How was the overspeed governor tested?
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Marked mechanical tripping speed (m/s)
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Car up measured electrical 1 tripping speed (m/s)
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Car up measured electrical 2 tripping speed (m/s)
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Car down measured electrical 1 tripping speed (m/s)
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Car down measured electrical 2 tripping speed (m/s)
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Car down measured mechanical tripping speed (m/s)
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Comments and observations
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Does the result of the supplementary test(s) indicate further remedial work is necessary?
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If YES, state your recommendations(s) for further action required
