Kato SR-300L, Instruction Manual

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1-2 Terms
(541A-0021-3E)
The following names and terms are used frequently in this manual and they are defined as follows.
・ Boom …………………………… The box-shaped structural element which bears the load through the sheave,
hoisting rope etc. and varies the working radius by derricking, lowering,
extending and retracting. It is composed of the boom base, boom sections 2, 3
and 4 which, except the boom base, extend and retract.
・
Jib
………………………………
An auxiliary component mounted on the top of the boom to increase its length
for lifting comparatively light loads to higher places.
・ Rooster sheave ………………… The auxiliary sheave mounted on the top of the boom. Used within the area
reached by the boom to hoist comparatively light loads on a single part of line.
・
Winch
……………………………
This device hoists and lowers the load via the hoisting rope. There are winches
for the main winding and the auxiliary winding and their drums are driven by
hydraulic motors.
・
Counterweight
…………………
A weight provided to counterbalance the moment due to the load (lifted load
weight
× working radius).
・
Outriggers
………………………
Used to level the machine. They extend sideways from four locations on the
carrier body and support the machine.
・ Load lifting off the ground …… Lifting the load and pausing briefly when the load is slightly clear off the ground.
・
Front and rear, left and right
……
The boom top with the machine in the driving configuration is defined as the
front. Rear, left and right are determined accordingly.
・ Operation with outriggers ……… Crane operation carried out with the outriggers extended to the specified width
and the machine set up horizontally.
・ Suspension lock ………………… The status where the suspension cylinders are fully retracted and the suspension
function is disabled.
Always lock the suspension cylinders during crane operation (including the
operation without load lifting).
・ Suspension free ………………… The status where the suspension cylinders freely extend or retract according to
the bumpy road and the suspension function is operated.
When driving on the road, always release the suspension lock. (Release the
suspension lock when the crane operation is over).
・
Stationary crane-on-rubber operation
……
Crane operation with the suspension cylinders locked and the outriggers not
extended. The term refers to any crane operation in this condition, regardless of
whether any load is lifted.
・
Pick and carry operation
…………
Driving with the suspension cylinders locked and a lifting load held (without
crane operation).