TM 5-3810-307-10
5-7.
CRANE OPERATION.
General Crane Operation. The control lever operation for crane functions is
5-7.1
standard, i.e., the closer the lever is to neutral (center), the slower the system responds. This
applies to both forward and rear movement of the applicable lever, the Boom LIFT/MAIN HOIST
Control Lever (8, Figure 5-2) or the SWING/AUXiliary Hoist Control Lever (20). The control lever
should be returned to neutral to hold the load.
WARNING
Always calculate the total weight of the load, then
operate within the load chart parameters.
CAUTION
Never feather the control lever to hold the load.
NOTE
Always operate the control lever with slow, even
pressure.
5-7.2
Functional Check. After the crane has been readied for service, a functional check
of all craning functions (with no load applied) should be performed.
WARNING
Carefully read and become familiar with all crane
operating instructions before attempting to operate
the crane.
a.
Ensure IGNITION Switch (50, Figure 5-1) in the carrier cab is in the O (off)
position.
CAUTION
The engine must be shut down to engage or
disengage the Hydraulic Pump Disconnect Control
(5).
Attempting to engage control with engine
running will result in damage to pump and
transmission.
b.
Ensure that the Hydraulic Pump Disconnect Control (5, Figure 5-1) in the
carrier cab is engaged. To engage the main hydraulic pump, it may be
necessary to "bump" the diesel engine with the IGNITION Switch (50) to
align the pump drive gears.
c.
Start and operate the diesel engine (from the superstructure cab) at or near
the governed RPM during performance of all crane functions.
