Manitowoc MLC300 User Manual

OPERATING CONTROLS AND PROCEDURES MLC300 OPERATOR MANUAL
3-82
Published 11-20-19, Control # 234-19
11. To make a GRADUAL LEFT TURN (Figure 3-29), move
both crawler handles to front from the neutral position.
Move the right crawler control handle farther to the front
than the left crawler handle. The right crawler will turn
faster than left crawler.
12. To make a GRADUAL RIGHT TURN, reverse step 9.
13. To COUNTER-ROTATE LEFT (Figure 3-30
), move the
right crawler control handle forward from the neutral
position and move left crawler control handle back from
the neutral position.
14. To COUNTER-ROTATE RIGHT, reverse step 11.
15. Slowly move both crawler handles to the neutral position
to stop traveling and to hold the crane in position.
16. When finished traveling, turn on the travel park switch.
SHUTDOWN PROCEDURE OR LEAVING
THE CRANE UNATTENDED
1. Travel the crane onto a level surface. Do not leave the
crane unattended on a grade.
2. Turn on the travel park switch.
3. Swing the rotating bed to the desired position. Then turn
on the swing park switch.
4. Lower all loads to the ground.
5. Turn on the drum park switch for each load drum.
6. If possible, lower the boom (and luffing jib, if equipped)
onto blocking at ground level.
If the boom and luffing jib cannot be lowered, as
determined by a qualified designated person, they must
be securely fastened from movement by the wind or
other outside forces.
Refer to the wind conditions in the Wind Conditions chart
for operating restrictions under various wind conditions.
NOTE The qualified designated person must be familiar
with the job site limitations, the crane configuration,
and the expected weather conditions.
7. Check that all the control handles are in the center
position.
8. Decrease engine speed to idle. Allow the engine to idle
for three to five minutes so it cools evenly.
9. Stop the engine.
10. Remove all keys from the cab to prevent unauthorized
operation.
11. Lock the operator cab windows and door to prevent
unauthorized entry.
Figure 3-29. Travel Left (gradual turn)
Figure 3-30. Counter-rotate Left
WARNING
Moving Load/Tipping Crane Hazard
The operator shall not leave the operator cab until the
crane, loads, and boom have been secured against
movement.
Changing weather conditions including but not limited to:
wind, ice or snow accumulation, precipitation, flooding,
lightning, etc. should be considered when determining the
location and configuration of a crane when it will be left
unattended.

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English