Maeda MK0003, Service Manual, Page: 236 / 348

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21.3.2 MOUNTING THE COUNTERWEIGHT
1. Set outriggers and raise crane body to about 80mm from the ground.
2. Prepare the counterweight near mounting part of the crane, and set hook
block to the lifting point of the counterweight or to hoisting equipment.
NOTES
Jib angle must not be less than -90 degrees during the work.
Otherwise operation stops automatically..
3. After lifting up the counterweight, slowly lower it down to hooking
section of the frame (falling prevention) from straight above and lock
the hooking section.
・
To lift by fixed hook, retract jib for lifting up, and extend jib for lowering
down.
・
To lift by winch system, raise hook for lifting up, and lower hook for
lowering down.
NOTES
Slowly operate to make sure travelling levers do not hit crane.
4. Mount 4 pieces of fixing bolts of the counterweight.
5. Take off hook or hoisting equipment from the counterweight and this
work is completed.