ERECTION AND DISMANTLING
36
V23C_09.13
SC4000 Pos 4
TEST THE CONTROL CURRENT
CUT OFF BY Pendant CON-
TROL PUSH-BUT TONS
!
HORIZONTAL
LEVEL
HO RI ZON TAL
LEVEL
HO RI ZON TAL
LEVEL
19. Test function of levelling device
sensor switch (B).
1.
Level the middle platform hori-
zontally.
2. Lower one unit by using the
emergency-lowering levels
(situated at the end of the
platform lifting motor) about
1,5° from its horizontal level.
3. Lift the platform by using the
pendant control. After the
lower
unit has reached the same
level with the upper one will
the middle platform work
simultaneously with them.
4.
Test also the other unit respec-
tively.
20. Test function of levelling device
safety switches (A).
1.
Level the middle platform hori-
zontally.
2. Lower one unit by using the
emergency-lowering level
(situated at the end of the
platform lifting motor) about
3°
from the hori zon tal level.
Three (3°) degrees an gle off
the plat form in nor mal use will
cut off the con trol current by
safety switch (B).
3. Lower the other unit by using
the emergency-lowering level to
a tilt angle of about 1,5° to re set
the platform`s normal con trol
i.e. pendant control.
4.
Level the platform by using the
pendant control
5. Test also the other unit respecti-
vely.