Mini-Crawler Crane M A E D A Section 4 – ELECTRIC MOTOR OPERATION
1/2019 MC405C-3 4-135
Use the following procedure for establishing
power connection between power supply
equipment and this machine.
1. Make sure the breakers of power supply
equipment and Inverter unit are OFF.
Fig. 4-387
2. Unlock the door (3) of the power supply box
(2) by pulling the handle (4) toward you to
open it.
Fig. 4-388
3. Remove the cover (6) of the terminal block
(5) in the power supply box, holding the top
and bottom of the cover (6) with fingers and
pulling it toward you.
Fig. 4-389
4. Draw the machine specifications-compliant
cabtyre cable (A) through a hole of the cable
ground (7) at the bottom of the power supply
box to connect it to the terminal block (5).
CAUTION: The ground cable (8) of the cabtyre
cable must be properly connected to the "PE
terminal" on the terminal block. Inverter-
driven three cables (9) other than the ground
cable are capable of being connected to any
of "L1, L2, and L3 terminals".
5. Upon completion of connection of the power
supply box cabtyre cable (A), replace the
cover (6) of the terminal block (7) and close
the door (3) of the power supply box (2).
6. Move and connect the cable terminal block
to the power supply equipment breaker
without undue strain on the cabtyre cable
(A).
7. Turn ON the power supply equipment
breaker.
8. Remove the four mounting screws (11) and
remove the protective cover (10).
Fig. 4-390
9. Turn ON the breaker (1).
Fig. 4-391
10. Turn ON the AC circuit power switch (12)
and DC12V power switch (13).
Fig. 4-392
NOTICE: No safety hazard is posed even if the
AC circuit power switch (12) and DC12V power
switch (13) remain ON.
11. Replace the protective cover (10) to the
original position and securely tighten four
mounting screws (11).
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