Maeda MC-285C - Crane Operation Procedures; Crane Operations

(2) TASKS TO BE PERFORMED AFTER STARTING ENGINE
CAUTION
Before working with the outriggers and the crane, set the travel
lever stand in CRANE position. (push the travel lever stand down)
1. Put the outriggers down ONE by ONE until they all just touch the ground.
2. Then use the outriggers TWO by TWO to stabilize the crane.
3. Check the bubble in the level in order to make sure the crane is in the correct position.
4. Make sure the rubber tracks are about 80mm above the ground.
[2] OUTRIGGER STOWING OPERATION
Reverse the outrigger set up procedure to stow the outrigger.
6. CRANE OPERATION
[1] OPERATIONS BEFORE CRANE OPERATIONS
CAUTION
Before working with the outriggers and the crane, set the travel
lever stand in CRANE position. (push the travel lever stand down)
Never let the hook block touch the ground or let the winch rope slacken. This could damage the
winch rope.
Un-stow the hook block :
Lower off the winch rope and raise the boom, until you can un-stow the hook.
NOTES
When extending the boom, always Lower the hook block
simultaneously.
[2] CRANE OPERATIONS
There are 4 possible crane operations :
(2): Slewing (forward: counterclockwise, backward: clockwise)
(3): Boom telescoping (forward: extend, backward: retract)
(7): Hook rasing and lowering
(forward: lowering, backward: raising)
(8): Boom derricking (forward: lowering, backward: raising)
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