Section 4 – RADIO REMOTE CONTROL SYSTEM VERIFICATIONS Mini-Crawler Crane M A E D A
4-106 9/2020 MC285CB-3
NOTICE: Also verify that the outriggers move at
the appropriate operating speeds corresponding
to how far the levers are moved.
Checking Crane Operation
WARNING! Tip Hazard. Verify that all
outriggers are positioned correctly before
operating the crane. All outriggers must be
properly positioned before starting any crane
operation.
Perform the following inspections with the
machine running and transmitter power turned on.
1. Switch the operation mode selector switch on
the transmitter to “Crane.”
Fig. 4-255
2. Move the operation lever (9) to the “clockwise
(right)” and “counterclockwise (left)” side, and
verify that the result corresponds to the lever
direction.
Slew continuously through at least 360° and
verify that operations are normal.
Fig. 4-256
3. Move the operation lever (10) to the “Extend”
and “Retract” side and check that the boom
follows the lever operation.
Fig. 4-257
4. Move the operation lever (11) to the “Down”
and “Up” side, and check that the hook block
follows the lever operation.
Fig. 4-258
5. Move the operation lever (11) to “Up” side
and check that the hook block stops by the
over winding detector.
6. Move the operation lever (12) to “Raise” and
“Lower” side and check that the boom
follows the lever operation.
Fig. 4-259
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