Section 4 – ELECTRIC MOTOR OPERATION Mini-Crawler Crane M A E D A
4-126 3/2019 MC305C-3
Machine Operation
CAUTION: For more information on
individual crane operations, see the sections
from "TRAVELLING POSITION" on page 4-21
to "Dos and Don’ts During Crane
Operations" on page 4-50.
Machine Stop and Checks after
Stopping Machine
1. Turn the starter switch to the "OFF" position.
The electric motor comes to a stop.
Fig. 4-370
2. Remove the starter switch key.
3. Visibly check for oil leakage, and check
around the crawlers, crane, and exterior of
the machine. If you find any leakage or
abnormality, fix the problem.
4. Clean off the crawlers and outriggers,
removing mud.
5. Keep the periphery of the inverter unit free
of dead leaves and paper waste. Potential
fire may occur if disregarded.
Disconnecting Power Supply
Cable
1. Turn OFF the power supply equipment
breaker.
2. See "OUTRIGGER SETTING" on page
4-36 and rotate the outriggers outward.
3. See "Removing Machinery Cover" on page
5-18 and remove the machinery cover.
4. Turn the main breaker (1) to the "OFF"
position.
Fig. 4-371
5. Unlock the door (3) of the power supply box
(2) by pulling the handle (4) toward you to
open it.
Fig. 4-372
6. Remove the cover (6) of the terminal block
(5) in the power supply box, holding the left
and right of the cover (6) with fingers and
pulling it toward you.
Fig. 4-373
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