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'Lift
System' Method:
- A proven
safer method. Safety was a prime consideration in the design
of the 'Lift System'. The hydraulics and structural design make
for a more stable system as compared to other available methods.
- The 'Lift
System' is assembled prior to shovel shutdown. A shovel can
be undecked and the carbody removed within 12 hours or less
-- reducing shovel downtime by up to 50%.
- Utilizing
four huge hydraulic jacks, the 'Lift System' hoists the 1+ million
pound shovel off the carbody in a synchronized movement. Hydraulic
power is evenly applied to the four hydraulic jacks from a single
control panel.
- Hoisting
the revolving frame above the top of the center pin eliminates
the risk of damaging or destroying the center pin or bushing.
- Boom in
the air, stick with dipper intact. If no repairs are scheduled
to the boom or it's components, the unique design of the 'Lift
System' allows for the shovel to be undecked with the boom in
the air, stick with dipper intact - further reducing shovel
downtime.
- After propelling
the carbody out from under the shovel, the 'Lift System' lowers
the revolving frame to a safe/convenient working height for
inspection and repair, allowing for easy access to the bottom
of the revolving frame.
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The 'Lift System'
was designed to undeck the largest of the mining shovels, including
but not limited to the P&H 2300, 2800, and 4100 Series. With
the ability to lift or hoist 1+ million pounds, undecking shovels
in a safe and expedient manner has been the primary focus of HAMM
Equipment. Since 1998, the 'Lift System' has been utilized in over
45 shovel undecking projects. This impressive project history reflects
the systems' ability and the company's expertise in shovel repair.
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