Slack Rope Switch (As Option); Safety Check; Functional Test; Checks Before The Initial Start-Up - HADEF 43/86P Liftboy-EX Installation, Operating And Maintenance Instruction

for the customer to install an external emergency switch. The limit switch for the lowest load position is
always driven exactly independently of the cable length.
NOTICE!
An exact driving up to the upper end position is only possible in the first wire rope layer with grooved rope
drum.
Exactness decreases with larger wire rope length and several wire rope layers.
9.6

Slack rope switch (as option)

In case of slack rope i.e. by setting down of the load, the slack rope switch prevents further unwinding of the
wire rope.
9.6.1 Function
The weight of roller lever and guide pulley actuates rotation of the switching shaft with eccentric disc in case
of slack wire rope. The eccentric disc pushes the switching pin of the limit switch down until the switching
contacts in the circuit for "lowering" open.
Lowering without load is impossible.
Should this, however, be necessary i.e. during installation or adjustment work, the wire rope must be tensed
by little load or the roller lever must carefully be actuated by hand. The switch can also be taken out of
service by dismantling the eccentric disc.
The slack rope switch will be installed in our factory according to customer's requirements. Installation
depends on the position of the winch and wire rope exit.
NOTICE!
Before commissioning, the switch must be adjusted by the customer.
The function is only possible in wiring direction "lowering". After the switch has actuated, "lifting" must still
be possible.
10

Safety check

Before putting into service initially or when putting back into service, it must be checked whether:
 All fastening screws (if existent), socket pins, flap socket and safety devices are tightened and secured.
 The oil levels in the gear boxes are sufficient.
 All movements of the load comply with the symbols on the control switch.
 The wire ropes are winded up correctly, are lubricated and are in good condition.
11

Functional test

11.1

Checks before the initial start-up

 Check lifting by moving up/down and slow/fast without load.
 Suspend the nominal load and check the function of the brake.
12

Maintenance

12.1

General

All monitoring, servicing and maintenance operations are to ensure correct functioning of the equipment;
they must be effected with utmost care.
 Only <qualified persons= may do this work.
 Servicing and maintenance work must only be done when the hoist is not loaded.
 Records must be kept of all test results and measures taken.
12.2

Monitoring

The monitoring and servicing intervals stated are valid for operation under normal conditions and single-shift
operation. In case of severe operating conditions (e.g. frequent operation with full load) or special
environmental conditions (e.g., heat, dust, etc.), the intervals must be shortened correspondingly
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