Crane Operation
Operator’s Manual for Crawler Crane
(3) The crane movements can still be carried out before the control lever is returned to
neutral position with deadman’s button released. However, to perform the next
crane movement after returning the control lever to neutral position, the operator
must press deadman’s button first and then move the control lever. Otherwise, the
operation of control lever is invalid.
(4) In normal operation,
stop the crane movements by returning the control lever to
neutral position.
(5) The high-speed switch is only used when the crane is traveling straight without a
load
.
4.5.2 Operation of crane winches
(1) Set correct boom configuration prior to operating crane winches.
(2) Switch off traveling switch .
4.5.2.1 Hoisting winch
4.5.2.1.1 Components of hoisting winch
Hoisting winch consists of hydraulic motor, winch reducer, brake, lowering limiter, hoisting
limiter and wire rope as well as main load hook and auxiliary load hook. The speed of hoisting
movement can be changed by adjusting the inclination angle of control lever. The bigger the
inclination angle is, the quicker the hoisting / lowering speed is.
4.5.2.1.2 Operation of hoisting winch
The crane is fitted with two hoisting winches: hoisting winch 1 and hoisting winch 2. The control
lever for hoisting winch 1 is fitted at the right side of operator’s seat - right control lever, and the
control lever for hoisting winch 2 is at the left side of operator’s seat - left control lever.
1) Operation of hoisting winch 1:
Push right control lever backwards: spool up hoisting winch 1.
Push right control lever forwards: reel off hoisting winch 1.
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