Wire Rope Hoists _ Operating and Maintenance ... - STAHL-POLSKA

6 Inspection and maintenance
6.1 Inspection intervals
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This section deals with operational reliability, availability, and maintaining the value
of your wire rope hoist.
Although this wire rope hoist is practically maintenance-free, the components
subject to wear (e.g. wire rope, brake) and components important for ensuring
explosion protection must be inspected regularly. This is required by the accident
prevention regulations.
Inspection and maintenance must be carried out by qualified persons who have
received special training in explosion protection, see page 2.
General information on inspection and maintenance
Maintenance and repair work may only be carried out when the winch is unloaded.
Before starting, switch off and lock main isolator.
Observe the requirements of the accident prevention regulations.
Periodic tests including maintenance every 12 months, possibly earlier if so prescribed
by national regulations, are to be performed by a fitter engaged by the
manufacturer.
The specified inspection and maintenance intervals apply for normal conditions of
use.
The inspection and maintenance intervals must be adapted accordingly if one or
more the following conditions apply:
if after evaluating the acutual use it can be seen that the theoretical useful life of
the winch will be less than 10 years,
in the case of operation in more than one shift or heavy duty
in the case of adverse conditions (dirt, solvents, temperature, etc.)
If abrasive dusts are present (foundry, cement industry, glass manufacture or processing,
etc.) the maintenance intervals for the rope guide (cleaning, lubricating,
checking and if necessary replacing tension spring, etc.) must be reduced.
A general overhaul must be carried out after the useful lifetime has expired.
Lubricants and lubrication points, see page 60.
6.1.1 Every day
Before starting work
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Check function of brake(s) (1)
Emergency hoist limit switch (2) if there is no operational hoist limit switch, operational
hoist limit switch, if any, see page 36, 39, 43
EMERGENCY STOP, crane switch, see page 21
Rope (4), see page 49
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