10
IMER INTERNATIONAL S.p.A.
TR 225 N
VLGHRIWKHGUXP¿J
4) Tighten the clamp at the end, leaving a free end
approximately 1 cm long, and pull the rope to bring the clamp
up against the internal wall of the drum.
Fig. 4.1
5) Wind on two complete turns, keeping the rope in contact with
WKHGUXP¿J
8VHDVXLWDEOHFDEOHFODPSIRUWKHURSHXVHG¿J
Fig. 4.2 Fig. 4.3
7) On third turn, feed the rope over the slot in the drum and
SXVKLWLQWRWKHVORWXVLQJWKHFDEOHFODPS¿J
Fig. 4.4
Fig. 4.5
8) Insert the screw through the side of the drum and the cable
clamp and screw it into the threaded insert at the opposite end.
¿J
9) Pull on the rope to ensure contact around the entire
circumference of the cylinder.
10) Wind on the rope, laying turn on turn in consecutive layers.
11)Insert the rope in the counterweight and aluminium sleeve.
12)Insert the thimble in the hole of thehook.
13)Run the wire rope back through the sleeve and tighten the
thimble in the loop formed.
14)Pull the rope to tighten all the parts together. Then press the
DOXPLQLXPVOHHYHZLWKDVXLWDEOHSUHVVRUWRRO¿J
Fig. 4.6
15) Check that the ascent limit switch is triggered when the
counterweight hits the lever.
16) Carry out a test under load as described in paragraph 5,
and log the rope replacement operation in TAB. 2.
7.1.2 PERIODIC CHECKS
- Visually inspect the condition of the rope daily and
whenever it is subjected to abnormal strain (twisting, ben-
ding, kinks or abrasion).
Replace the rope when defective (Fig. 14).
- Daily and before using the elevator control the proper
conterweight to the arrest of the top spot and must not be
stopped due to deformation of the wear of the lever of the
limit switch.
Every three months inspect the entire rope carefully and in parti-
cular the ends. Note down the results in the chart (Table 2) which
must be
kept by the site foreman
.
- Replace the rope at least once a year.
7.2 ADJUSTING THE MOTOR BRAKE (Fig. 5)
The electric motor brake is engaged in the event of power supply
failure to the motor.
In the event of reduced braking power, the hoist must be checked
by a skilled maintenance engineer, for adjustments if necessary.
