OPERATIONAL INSTRUCTIONS
7
SC4000 Pos 5
V23C_09.13
I Pull emergency-lowering system
level (10) in both lifting motors si mul-
ta neously VERY CAREFULLY NOT, TO
THE MAXIMUM POSITION. (If the nor-
mal low ering speed is exceeded the
safety brake will be en gaged).
II After every 5 meters of the emer-
gency-lowering, an appr. 15 min
break should be taken in order to
If the other unit is higher than the other
unit, the unit which is higher must be
lowered to the same level with the
other unit before continuing the emer-
gency lowering.
The angle of the middle platform may
never exceed 5 degrees
com pared
to the horizontal level.
Below is the height difference be-
tween basic units when the angle of
the middle platform is 5 degrees.
Height difference between
basic units
2 platform section in middle plat form ...................................... 28 cm
3 platform section in middle platform
...................................... 42 cm
4 platform section in middle platform
...................................... 56 cm
5 platform section in middle platform
...................................... 70 cm
6 platform section in middle platform
...................................... 84 cm
7 platform section in middle platform
...................................... 98 cm
8 platform section in middle platform
.................................... 112 cm
9 platform section in middle platform
.................................... 126 cm
avoid over heating of the brake.
- if the control system fails, look for the
fault in electric supply and repair it.
When operating with the twinmasted,
the emergency low ering must be
carried out by two persons, one per-
son by each lifting equipment. The
emercency low ering must be carried
out simultaneously from both places
and it must be se cured that the plat-
form will stayin the hori zon tal po sition
all the time.
UPPER LIMIT SWITCH OPERATING
Leave the zone of operating the switch
by carefully pulling back the manual
brake release lever. Then go down us-
ing the button on the control box.
Inform the maintenance technician
about this situation, which has to nd
and remove the reason of operating
the limit switch.
LOWER LIMIT SWITCH OPERATING
Call the maintenance technician which
has to nd and remove the reason.
To leave the zone of operating the low-
er limit switch, the maintenance techni-
cian should do the following steps:
- open the box door of the platform
- push the yellow button S3 and hold in
this position
- push the button of going up and
leave the zone of operating the limit
switch
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