Komatsu GALEO BR550JG-1 Operation & Maintenance Manual page 136

Mobile crusher
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OPERATION
KEEPING SOME HEIGHT UNDER CRUSHER
When crushing reinforced concrete debris, it is advisable to increase the clearance between the crusher underside
and the belt conveyor top to ensure good discharge of the debris.
If many long reinforcing bars are contained in the reinforced concrete debris to be crushed, adjust the posture of the
primary belt conveyor in the following manner prior to the start of work.
NOTICE
A reinforced concrete debris block larger than 13 mm (0.5 in) in diameter and longer than 600 mm (23.6 in) must not be crushed,
since it may damage the crusher.
1. Start the engine.
2. Depress belt conveyor raising and lowering control switch (1)
to remove the belt conveyor bar off the mounting hook for work.
3. Stop the engine.
4. Detach the mounting hooks (A) for work that are installed at the
lower part of the belt conveyor stopper, and install them again
at the 113 mm (4.5 in) lower position.
(Bolt used: M16 x 4 bolts/piece)
(Mounting hook weight: 3.2 kg (7.06 lb)/piece)
5. Release the belt conveyor stopper and push in the mounting hooks for work under the belt conveyor bar.
6. Start the engine again.
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OPERATION
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