National Crane Published 10-30-2014 Control # 040-09 2-1
1400H OPERATOR AND SERVICE MANUAL OPERATING CONTROLS
SECTION 2
OPERATING CONTROLS
SECTION CONTENTS
Truck Cab Controls . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Power Take-Off. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Crane Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Cold Weather Operation . . . . . . . . . . . . . . . . . . . . 2-2
Crane Warm-up Procedures . . . . . . . . . . . . . . . . . 2-2
Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Hoist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Swing Drive and Turntable Bearing . . . . . . . . . . . 2-3
Axles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Hydraulic Oil System. . . . . . . . . . . . . . . . . . . . . . . 2-3
Crane Nomenclature. . . . . . . . . . . . . . . . . . . . . . . 2-5
Rated Capacity Limiter . . . . . . . . . . . . . . . . . . . . . 2-6
Operating Procedures . . . . . . . . . . . . . . . . . . . . . . 2-9
Equipment Checks . . . . . . . . . . . . . . . . . . . . . . . . 2-9
RCL Inspection Procedure . . . . . . . . . . . . . . . . . . 2-9
Work Site Position . . . . . . . . . . . . . . . . . . . . . . . 2-12
Before Leaving the Cab . . . . . . . . . . . . . . . . . . . 2-12
Crane Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Outrigger Monitoring System (OMS)
(optional—standard in North America). . . . . . . . 2-14
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Before Making the Lift . . . . . . . . . . . . . . . . . . . . . 2-16
RCL Set Up and Programming Procedure . . . . . 2-16
Reading and Understanding the Load Charts . . . 2-16
Series 1400H Load Chart - Full Span Outriggers 2-17
Series 1400H Load Chart - Mid Span Outriggers 2-20
General Rules When Operating the Hoist . . . . . . 2-22
Lifting the Load . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Shut Down and Preparation for Road Travel. . . . 2-23
Jib Safety and Operation . . . . . . . . . . . . . . . . . . . 2-25
Safety Tips For JIB Operation . . . . . . . . . . . . . . . 2-26
Side Folding-swing Around JIB Operation . . . . . 2-26
JIB Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
JIB Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28
JIB Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
Oil Cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
TRUCK CAB CONTROLS
Power Take-Off
Manual Shift Control – The PTO's are engaged when
the knobs on dash or floor are pulled out and disengaged
when the knobs are pushed in. The truck gear shift lever
must be in neutral and the clutch depressed whenever the
knobs are moved.
Air Shift Control – The PTO is engaged when the
switch is moved to apply air to PTO and disengaged when
switch is in off position. The truck gear shift lever must be in
neutral and clutch depressed when switch is moved. The
transmission selector lever must be returned to “N” for
stationary vehicle operation. The power take-off may be
disengaged while in any transmission range provided that
the load has first been removed from the PTO.
Electric Shift Control – Full torque electric shift PTO's
are controlled by a switch. To operate, disengage the clutch,
shift to fourth or fifth gear, and operate the switch down to
engage the PTO or up to disengage the PTO. Return the
gear shift to neutral and engage the clutch.
Power Shift Control – If the vehicle is equipped with
automatic transmission, the power take-off must be engaged
with the engine at idle. Refer to transmission manufacturer's
instructions for special procedures.
Park Brake
The truck brake must be firmly set before leaving cab to
begin operation. If the ground surface is icy or slick or is
sloped, you may be required to help immobilize the truck with
wheel chocks.
Crane Controls
The unit is equipped with control stations on each side of the
main frame. Placards on the control knobs or next to the lever
indicate the direction to actuate the controls for the various
unit functions. Each station is complete and provides
complete control of boom rotation, boom elevation, boom
extension, hoist, outriggers, jacks, engine foot throttle, the
engine emergency stop switch and a horn switch. All control
handles except the outrigger controls are positioned in the
same order at both control stations. The hydraulic system
pressure gauge is located at only one operator's station.
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