Rack and pinion hoist
Assembly and Operating Instructions
66 / 100 BL108 GB Edition 03.2018 Rev. 02
8.2.5 Checks after extreme weather conditions
Special check after temperatures of – 40 °C [-40 °F]
NOTE:
If it is unclear if the temperature was less than – 40 °C [-40 °F], follow
procedures as if this temperature had been reached when starting up
the machine again. Before performing the special test, temperatures
must be more than -30 °C [-22° F] for a minimum of 3 hours.
Clear ice and snow from the hoist.
Switch on the master switch (green light comes on).
Press all EMERGENCY STOP buttons and release again.
Check all doors / entrances / footbridges / flaps.
Check all limit switches are moving freely.
DANGER:
Notify your superior immediately if any cracks or loose parts / loose
screws are discernible. Clarify further procedure with your superior. In
the test run, do not travel beyond the cracks or loose parts / loose
screws. Return to ground station. Safety inspection of the hoist by a
competent person. The safety inspection which checks for discernible
cracks / loose parts / loose screws must also include inspection of the
foundation and of the wall anchors. Operation is prohibited until safe
conditions have successfully been restored.
Check the ground station / landing level for obvious damage such as
loose or deformed parts or parts which have fallen off and cracks in
components and weld seams.
Test run with empty platform up to the up limit switch: Check the
connections for the mast / ladder sections / ties for correct seating
and cracks on components and the welding seams.
Check the overload protection, if present (refer to the relevant chapter).
Special check after flooding
Damage to the hoist as a result of running into a flooded pit. Loss of
stability of the foundation due to flooding.
Check foundation/buffer.
Check enclosure.
Special check after sand storm
Damage to the hoist as a result of the switch box filter-pads becoming
blocked.
Clean the filter pads.