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RCI 510
Operator's Manual
35 pgs1.19 Mb0

microguard RCI 510 Operator's Manual

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GREER COMPANY
GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
6
Crane Systems
M
MIIIICROGUARD
CROGUARD
MM
CROGUARDCROGUARD
RCI 510
RCI 510
RCI 510RCI 510
TELESCOPIC BOOM CRANES
44.8
62.7
®
TEST
i2,300
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
PICK FROM MAIN BOOM FRONT WINCH
OPER
OPERAAAATOR'S MANUAL
OPEROPER
26.4
9.7Klb Ctwt
o
TOR'S MANUAL
TOR'S MANUALTOR'S MANUAL
360
o
SET
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
1 of 35
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Introduction
Outline of Operation .....................................................................................................................4
What Does It Tell You?
The Pictograph .............................................................................................................................5
Information Screen.......................................................................................................................6
Parts-of-Line Indicator ..................................................................................................................6
Operator Alarms Indicator ............................................................................................................6
Pre-Alarm Indicator ......................................................................................................................6
Overload Indicator ........................................................................................................................6
Anti Two-Block Indicator ..............................................................................................................6
Bar Graph for Percentage of Rated Load ....................................................................................7
Actual Load ..................................................................................................................................7
Crane Systems
TABLE OF CO
TABLE OF CONNNNTENTS
TABLE OF COTABLE OF CO
TENTS
TENTSTENTS
Rated Capacity............................................................................................................................. 7
Radius, Length, Angle ..................................................................................................................7
What Must You Tell It?
Parts-of-Line.................................................................................................................................8
Point of Lift ...................................................................................................................................8
Auxiliary Head On or Off ..............................................................................................................8
Stowed and/or Erected Attachments ...........................................................................................8
Manual Section or Boom Mode....................................................................................................8
Jib Stowed on Boom ....................................................................................................................8
Winch ...........................................................................................................................................8
Counterweight ..............................................................................................................................8
Tires .............................................................................................................................................8
Outriggers ....................................................................................................................................8
Power Up Self-Test .................................................................................................................................9
Start-Up Screen .....................................................................................................................................10
Brightness and Contrast Controls ...................................................................................................... 11
System Setup
Counterweight ............................................................................................................................12
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
2 of 35
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Outriggers ..................................................................................................................................13
Tires/Rigging Travel Mode .........................................................................................................14
Stowed Jibs ................................................................................................................................15
Erected Jibs ...............................................................................................................................16
Auxiliary Head ............................................................................................................................17
Choosing the Winch ...................................................................................................................18
Choosing the Point of Lift ...........................................................................................................19
Setting the Parts-of-Line ............................................................................................................20
Notes ..........................................................................................................................................21
Cancel Alarm
Push Button to Cancel Audible Alarm ........................................................................................ 22
Reset Function Kick-Out ............................................................................................................23
Operator Settable Alarms
Accessing the Operator Alarms ................................................................................................. 24
Crane Systems
Setting Minimum and/or Maximum Boom Angle........................................................................25
Setting Maximum Length, Maximum Height ..............................................................................26
Accessing Swing and Work Area Alarms................................................................................... 27
Swing Alarms .............................................................................................................................28
Setting the Left and Right Swing Alarms ...................................................................................29
Work Area Selection Mode ...................................................................................................30-31
Glossary ............................................................................................................................................32-35
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
3 of 35
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SYSTEM COMPONENTS
SYSTEM COMPONENTS
SYSTEM COMPONENTSSYSTEM COMPONENTS
• MicroGuard® Display Unit
®
• MicroGuard
• Pressure Transducers
• Extension Reel with length and angle sensors
• Anti 2-Block (ATB) switches
• Cables
• Installation/Operator Manuals
The MicroGuard
the crane operator by continuously monitoring the
load and warning of an approach to an overload or
Two-Block condition. Crane functions are monitored
by means of high accuracy sensors. The system
continuously compares the load suspended below the
boom head with the crane capacity chart stored in the
computer memory. At approach to overload, the
system warns by means of audible and visual alarms.
The system can be configured to cause function kick-
out by sending a signal to function disconnect
solenoids.
DISPLAY
DISPLAY
DISPLAYDISPLAY
The operator is provided with a continuous display of:
• Rated Load
• Actual Load
• Bar Graph showing Percentage of Rated Load
• Radius of the Load
• Boom Angle
• Main Boom Length
• Working Area
• Crane Configuration
On-screen messages provide the operator with visual
warnings of conditions that occur during operation of
the system.
BOOM ANGLE SENSOR
BOOM ANGLE SENSOR
BOOM ANGLE SENSORBOOM ANGLE SENSOR
Boom angle is measured by means of a high-
accuracy potentiometer/pendulum assembly that is
damped to prevent overswing. It provides a voltage
proportional to boom angle. The boom angle sensor is
mounted inside the cable extension reel assembly.
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
Computer Unit
®
RCI 510 System is intended to aid
Crane Systems
OUTLINE OF O
OUTLINE OF OPPPPERATION
OUTLINE OF OOUTLINE OF O
4 of 35
ERATION
ERATIONERATION
EXTENSION SENSOR
EXTENSION SENSOR
EXTENSION SENSOREXTENSION SENSOR
The extension sensor provides an increasing voltage
proportional to the extension of the boom. A cable
attached to the boom head provides a low current
electrical path for the A2B signal
PRESSURE TRANSDUCERS
PRESSURE TRANSDUCERS
PRESSURE TRANSDUCERSPRESSURE TRANSDUCERS
Two pressure transducers measure the pressure in
the boom hoist cylinder. The resultant Total Moment
signal is processed to provide a continuous display of
the load suspended below the point of lift.
ANTI TWO BLOCK (A2B)
ANTI TWO BLOCK (A2B)
ANTI TWO BLOCK (A2B)ANTI TWO BLOCK (A2B)
A switch monitors the approach of the hookblock or
overhaul ball to the boom head. The switch is held in
the normal position until the hookblock or overhaul
ball raises a weight that is mounted around the hoist
rope. When the weight is raised, it causes the switch
to operate. The resultant signal is sent to the
computer via the extension reel causing the A2B
alarm to operate and function kick-out to occur.
FUNCTION KICK
FUNCTION KICK----OUT
FUNCTION KICKFUNCTION KICK
Electrically operated solenoids disconnect the control
lever functions for boom hoist lower, telescope out,
and winch up whenever an overload or an A2B
condition occurs.
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMSOPERATOR SETTABLE ALARMS
These alarms, when properly set by the operator,
define the operating range. This is achieved by
means of minimum and maximum angle, maximum
height, and/or maximum length. These alarms can be
programmed for each job site and allow the operator
to work in a defined area.
AREA ALARM
AREA ALARM
AREA ALARMAREA ALARM
When set, this alarm permits the operator to define
the operating zone by only two set points. The use
of this method of setting results in a greatly enhanced
working area, and also clearly defines the
operating zone.
OUT
OUTOUT
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JIBS
AUX HEAD
POINT OF LIFT
Crane Systems
THE PICTOGRAPH
THE PICTOGRAPH
THE PICTOGRAPHTHE PICTOGRAPH
MANUAL SECTION / BOOM MODE
STOWED JIB
WINCH
COUNTERWEIGHT
TIRES
OUTRIGGERS
The PICTOGRAPH gives a pictorial representation of the current setup of the system. It does this by means of light
emitting diodes (LEDs). Each shaded area contains a group of one or more LEDs and a push button that is pressed
to change the setup selection. In the groups with more than one choice or option, LED’s illuminate one at a time to
indicate the selection. The groups are shown below.
OUTRIGGERS - contain 3 LEDs. These indicate the
selection of either full outriggers, intermediate, or
retracted outriggers.
TIRES - contain 1 LED. When operation on tires is
selected, the outrigger LED will turn off and the tire
LED will illuminate.
COUNTERWEIGHT - contains 1 LED. It is only active
on cranes that have counterweight options.
WINCH - contains 2 LEDs. These indicate the
selection of FRONT or REAR winch.
STOWED JIB
illuminated when the jib is stowed on the boom.
MANUAL SECTION -
active on cranes that have pinned extensions or active tip boom options.
JIBS
-
and offset of the jib in use.
AUX HEAD
when the AUX HEAD is fitted.
POINT OF LIFT
illuminate to show the point of lift.
- contains 1 LED. This will be
contains 1 LED. It is
contain 6 LEDs. These indicate the length
contains 1 LED that illuminates
-
contains 3 LEDs. One will
-
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
5 of 35
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4 6
5
MAX
TEST
Crane Systems
WHAT DOES IT TELL YOU?
WHAT DOES IT TELL YOU?
WHAT DOES IT TELL YOU?WHAT DOES IT TELL YOU?
23,500
6
i2,300
ORs Full 9.7Klb Ctwt ERECTED 60' TELEJIB 17 AUXHD ON PICK FROM MAIN BOOM FRONT WINCH
44.8
62.7
26.4
360
o
o
SET
2
1
1. The INFORMATION SCREEN contains
details of the currently selected configuration.
2. PARTS-OF-LINE displays the parts of line
currently selected.
3. The OPERATOR ALARM lamp illuminates
when operator alarms have been set.
4. The PRE-ALARM (AMBER) indicator
illuminates at a preset value of 90% of Rated Capacity and provides a visual indication of approach to overload.
3
5. The OVERLOAD INDICATOR (RED)
illuminates at a preset value of 100% of Rated Capacity and provides a visual indication of Maximum Allowed Load.
6. The ANTI TWO-BLOCK lamp illuminates
when the A2B limit switch detects approach to a Two-Block condition.
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
6 of 35
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7
MAX
23,500
6
i2,300
Crane Systems
WHAT DOES IT TELL YOU?
WHAT DOES IT TELL YOU?
WHAT DOES IT TELL YOU?WHAT DOES IT TELL YOU?
9
11
12
44.8
62.7
26.4
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
TEST
8
7. The BAR GRAPH indicates the ACTUAL
LOAD as a PERCENTAGE OF RATED CAPACITY.
8. The ACTUAL LOAD display shows total
load, including load, slings, etc. suspended below the lifting point.
9. The RATED CAPACITY display shows the
RATED CAPACITY of the crane in the current configuration.
10. The RADIUS display shows radius of the
load. Radius is the horizontal distance from the centerline of rotation to the centerline of the lifting point.
PICK FROM MAIN BOOM FRONT WINCH
10
9.7Klb Ctwt
360
o
11. The LENGTH display shows the length of
the main boom from the boom foot pin to the sheave pin of the main boom head machinery.
12. The ANGLE display indicates, in degrees,
the angle of the main boom relative to horizontal.
o
SET
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
7 of 35
GREER COMPANY
GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
6
i2,300
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
TEST
PICK FROM MAIN BOOM FRONT WINCH
Crane Systems
WHAT MUST YOU TELL IT?
WHAT MUST YOU TELL IT?
WHAT MUST YOU TELL IT?WHAT MUST YOU TELL IT?
13
15
16
17
44.8
62.7
26.4
9.7Klb Ctwt
o
360
o
18
19
20
21
SET
14
22
13. The number of PARTS-OF-LINE.
14. POINT OF LIFT, e.g. main boom, auxiliary
head or jib.
15. AUXILIARY HEAD ON or OFF the crane.
16. Indicates JIB configuration in use.
17. MANUAL SECTION or ACTIVE TIP
extended (if applicable).
18. JIB STOWED ON BOOM.
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626
8 of 35
19. Indicates which WINCH will be used for the
pick.
20. Indicates which COUNTERWEIGHT is fitted
(if applicable).
21. TIRES creep, static, 2 1/2 MPH, and RIGGING/TRAVEL mode.
22. OUTRIGGERS full extension, mid extension, or retracted.
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MAX
888;800
I8
888;800
TEREX CD 225
SYSTEM SELF TEST IN PROGRESS
TEST
CHART 12262-1205/20W
Crane Systems
POWER UP SELF
POWER UP SELF----TEST
POWER UP SELFPOWER UP SELF
I88.8
I88.8
I88.8
TEST
TESTTEST
SET
26
Immediately following electrical power up or following operation of the TEST switch (item 26), the system executes a self-test that last for 8 seconds. During this time, the numerical display segments and bar graph segments are all turned on, the audible alarm will sound, and alarm indicator lights are illuminated. The information display shows the crane model and rating chart number.
9 of 35
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MAX
--- -
--- -
CIMA MANUAL,ASME/ANSI B30.5
TEST
OSHA REGS AND OPERATORS MANUAL PRESS TO CONTINUE>
Crane Systems
START UP SCREEN
START UP SCREEN
START UP SCREENSTART UP SCREEN
-- -
-
-- -
-- -
READ/UNDERSTAND THE FOLLOWING...
SET
27
Immediately following power up self-test, the display indications will show as above. During this time, crane motions are disabled by the system function kickout. Operation of the bottom right information display push button (item 27) will acknowledge the information display message and allow the system to start normal operation.
10 of 35
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BRIGHTNESS AND CONTRAST CO
BRIGHTNESS AND CONTRAST CONNNNTROLS
BRIGHTNESS AND CONTRAST COBRIGHTNESS AND CONTRAST CO
MAX
23,500
TEST
Crane Systems
TROLS
TROLSTROLS
44.8
6
i2,300
LED BRIGHTNESS UP CONTRAST UP
LED BRIGHTNESS DOWN CONTRAST DOWN
62.7
26.4
SET
25
27
Immediately following self-test and the start up screen, the information display will display a 2 second reminder of the brightness and contrast control functions.
Push buttons to the left of the information display (item 25) allow the brightness of all LED’s on the display panel to be adjusted up or down at any time during operation of the system unless operator alarms are being set.
Push buttons to the right of the information display (item 27) allow the contrast of the information display to be adjusted up or down at any time during operation of the system unless operator alarms are being set.
During adjustment of the contrast or brightness, the information window will automatically display the reminder window shown.
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 11 of 35
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MAX
23,500
6
i2,300
9,700lb Counterweight
TEST
12,000lb Counterweight
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
44.8
62.7
26.4
20
SET
COUNTERWEIGHT
COUNTERWEIGHT
COUNTERWEIGHTCOUNTERWEIGHT
IF THE COUNTERWEIGHT PUSH BUTTON IS PRESSED ON A CRANE THAT DOES NOT HAVE COUNTERWEIGHT OPTIONS, THE MESSAGE “NO OTHER COUNTERWEIGHT OPTIONS” WILL APPEAR IN THE INFORMATION DISPLAY. REFER TO YOUR CRANE RATING MANUAL FOR DETAILS OF THE OPTIONS ON YOUR CRANE
• On cranes that have counterweight options the operator must tell the MicroGuard which counterweight is currently fitted. If there are no options, continue on to selection of outriggers.
• Start the choice by pressing the counterweight push button (item 20).
®
System
1
• The available counterweight options will be displayed in the information screen (item 1). There can be four options displayed at a time, one next to each selection key.
If the required option is visible,
select the option by pressing the button next to it.
If more than 4 options are available,
a second selection screen can be viewed by pressing the button next to the "next" label.
If only a single option is available, it
will automatically be selected.
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 12 of 35
GREER COMPANY
GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
i2,300
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
TEST
PICK FROM MAIN BOOM FRONT WINCH
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
44.8
6
62.7
26.4
9.7Klb Ctwt
o
o
360
SET
OUTRIGGERS
OUTRIGGERS
OUTRIGGERSOUTRIGGERS
• The operator must tell the system which outrigger position is in use.
• Start the choice by pressing the outrigger push button (item 22).
1
22
• The outrigger selection will automatically move on to the next selection. EXAMPLE: From fully extended to half extended, or from half-extended to fully retracted and then back to fully extended with each push of the button. If no other selections are available, the message "No other chassis options" will appear on the information screen (item 1).
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 13 of 35
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GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
6
i2,300
TIRES, 2.5MPH, FRONT
TEST
STATIONARY
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
44.8
62.7
26.4
1
RIGGING/TRAVEL
SET
21
TIRES/RIGGING TRAVEL
TIRES/RIGGING TRAVEL
TIRES/RIGGING TRAVELTIRES/RIGGING TRAVEL
IF THE TIRE PUSH BUTTON IS PRESSED ON A CRANE THAT DOES NOT HAVE TIRE OPTIONS THE MESSAGE “NO OTHER TIRE OPTIONS” WILL APPEAR IN THE INFORMATION DISPLAY. REFER TO YOUR CRANE RATING MANUAL FOR DETAILS OF THE OPTIONS ON YOUR CRANE.
• On cranes that have more than one tire option, e.g. static, creep etc., the operator must select the tire configuration that corresponds to the tire chart to be used.
• Start the choice by pressing the tire push button (item 21).
• The available tire selection options will be displayed in the information screen (item 1).
WARNING
!
There can be four options displayed at a time, one next to each selection key.
If the required option is visible,
select the option by pressing the button next to it.
If more than 4 options are available,
a second selection screen can be viewed by pressing the button next to the "next" label.
If only a single option is available, it
will automatically be selected.
• RIGGING/TRAVEL MODE is selected when
the crane is in the rigging process or is a rough terrain crane traveling between jobs.
DO NOT PERFORM CRANE LIFTING OPERATIONS WHILE
THE RIGGING/TRAVEL MODE IS SELECTED.
ALL CRANE CONTROLS REMAIN ACTIVE WHILE THE
RIGGING/TRAVEL MODE IS SELECTED.
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 14 of 35
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MAX
23,500
i2,300
NO STOWED JIB
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
44.8
6
62.7
26.4
18
SET
TEST
IF THE STOWED JIB PUSH BUTTON IS PRESSED ON A CRANE THAT DOES NOT HAVE JIB OPTIONS, THE MESSAGE “NO OTHER STOWED OPTIONS” WILL APPEAR IN THE INFORMATION DISPLAY. REFER TO YOUR CRANE RATING MANUAL FOR DETAILS OF THE OPTIONS ON YOUR CRANE.
• On cranes that have more than one jib option (fixed, offset, or telejib etc.), the operator must select the jib to be used.
• Start the choice by pressing the stowed jib push button (item 18).
60' TELEJIB STOWED
STOWED JIBS
STOWED JIBS
STOWED JIBSSTOWED JIBS
1
• The available stowed jib options will be displayed in the information screen (item 1). There can be four options displayed at a time, one next to each selection key.
If the required option is visible,
select the option by pressing the button next to it.
If more than 4 options are available,
a second selection screen can be viewed by pressing the button next to the "next" label.
If only a single option is available, it
will automatically be selected.
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 15 of 35
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MAX
23,500
6
i2,300
38' JIB@2degs
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
44.8
62.7
26.4
16
SET
38' JIB@17degs
TEST
IF THE ERECTED JIB PUSH BUTTON IS PRESSED ON A CRANE THAT DOES NOT HAVE JIB OPTIONS, THE MESSAGE “NO OTHER JIB OPTIONS” WILL APPEAR IN THE INFORMATION DISPLAY. REFER TO YOUR CRANE RATING MANUAL FOR DETAILS OF THE OPTIONS ON YOUR CRANE.
• To erect a JIB, it must first have been selected and stowed as detailed on the previous page.
• Start the choice by pressing the erected jib push button (item 16).
38' JIB@30degs
ERECTED JIBS
ERECTED JIBS
ERECTED JIBSERECTED JIBS
MORE >
1
There can be four options displayed at a time, one next to each selection key.
If the required option is visible,
select the option by pressing the button next to it.
If more than 4 options are available,
a second selection screen can be viewed by pressing the button next to the "next" label.
If only a single option is available, it
will automatically be selected.
• The available erected jib options will be displayed in the information screen (item 1).
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 16 of 35
GREER COMPANY
GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
6
i2,300
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
TEST
PICK FROM MAIN BOOM FRONT WINCH
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
15
44.8
62.7
26.4
9.7Klb Ctwt
o
360
o
SET
1
AUXILIARY
AUXILIARY HEAD
AUXILIARY AUXILIARY
IF THE AUXILIARY HEAD PUSH BUTTON IS
PRESSED ON A CRANE THAT DOES NOT
HAVE AN AUXILIARY HEAD, THE MESSAGE
“ N O OTHER AUXILIARY HEAD OPTIONS ”
WILL APPEAR IN THE INFORMATION
SCREEN (ITEM 1).
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 17 of 35
HEAD
HEADHEAD
An auxiliary head fitted on a crane must be included in the crane setup.
To set up the crane with an auxiliary head, press the auxiliary head push button, (item 15). This will toggle the auxiliary head on and off each time the button is pressed.
GREER COMPANY
GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
i2,300
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
44.8
6
62.7
26.4
19
360
o
SET
TEST
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
PICK FROM MAIN BOOM FRONT WINCH
9.7Klb Ctwt
o
1
CHOOSING THE WINCH
For cranes with two winches, always select the winch to be used for the lift before selecting the point of lift and parts of line. The system stores point of lift and parts of line selections for each winch.
• Choose the winch to be used by pressing the winch push button (item 19).
This toggles between the two available winches each time the button is pressed. If no other winch is available, the message "No other winch options" will appear for three seconds on the information screen (item 1).
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 18 of 35
GREER COMPANY
GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
6
i2,300
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
14
44.8
62.7
26.4
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
TEST
• Choose the point of lift to be either from the main boom, auxiliary head, or jib by pressing the point of lift push button (item 14). This action moves the selected lifting point to the next available lifting point, i.e. from jib to aux head, from aux head to main boom, and from main boom back to jib again.
PICK FROM MAIN BOOM FRONT WINCH
CHOOSING THE POINT
CHOOSING THE POINT OF LIFT
CHOOSING THE POINT CHOOSING THE POINT
Before choosing the point of lift, check that the correct winch has been selected.
Always check the point of lift selection following selection of the winch.
9.7Klb Ctwt
o
360
o
SET
1
OF LIFT
OF LIFTOF LIFT
If an option is not available, it will be
skipped over.
If no other pick point options are
available, the message "No other pick point options" will be displayed on the information screen (item 1).
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 19 of 35
GREER COMPANY
GREER COMPANY
GREER COMPANYGREER COMPANY
MAX
23,500
i2,300
ORs Full 9.7Klb Ctwt ERECTED 60' TELEJIB 17 AUXHD ON
TEST
PICK FROM MAIN BOOM FRONT WINCH
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
13
44.8
6
62.7
26.4
o
360
SET
o
SETTING THE PARTS
SETTING THE PARTS----OF
SETTING THE PARTSSETTING THE PARTS
Always check and select parts-of-line following selection of the winch and point of lift.
• Set the PARTS-OF-LINE for the currently selected winch by pressing the UP or DOWN arrow, as appropriate. (item 13).
• The number of parts-of-line will appear in the parts-of-line display (item 13).
OF----LINE
LINE
OFOF
LINELINE
• When another winch is selected, it may be necessary to reset the parts-of-line for the other winch.
• When the number of parts in the parts-of­line on the crane is changed, it will be necessary to reset the parts-of-line on the display.
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MAX
23,500
i2,300
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
TEST
PICK FROM MAIN BOOM FRONT WINCH
Crane Systems
SYSTEM SETUP
SYSTEM SETUP
SYSTEM SETUPSYSTEM SETUP
44.8
6
62.7
26.4
9.7Klb Ctwt
o
360
o
SET
NOTES
NOTES
NOTESNOTES
The system has the capability of remembering all of the configuration data
previously set. After removing power to the system and then powering up again,
the settings remain intact until reset by the operator.
• After the configuration has been set, the operation of the System
depends only upon setting which winch is in use. Changing the winch
will automatically change the lifting point and the parts-of-line to the
values previously set for the selected winch. Always check the point of
lift and parts-of-line following selection of the winch.
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CANCEL AUDIBLE ALARM
CANCEL AUDIBLE ALARM
CANCEL AUDIBLE ALARM CANCEL AUDIBLE ALARM
MAX
23,500
i2,300
ORs Full 9.7Klb Ctwt ERECTED 60' TELEJIB 17 AUXHD ON
TEST
PICK FROM MAIN BOOM FRONT WINCH
Crane Systems
44.8
6
62.7
26.4
o
o
360
SET
23
PUSH BUTTON
PUSH BUTTON TTTTO CANCEL AUDIBLE ALARM
PUSH BUTTONPUSH BUTTON
The cancel alarm push button (item 23) is used to silence the audible alarm. Pressing this
button once will cancel an audible alarm that has occurred as a result of an:
Overload
A2B Alarm
Operator Settable Alarm
The audible alarm remains canceled until the condition that caused the alarm has been removed. See page 23.
EXAMPLES:
AFTER CANCELING AN AUDIBLE ALARM:
• If the audible alarm sounded because of an overload condition, the alarm will remain canceled until the condition is corrected.
• If another alarm condition occurs that normally causes an alarm to sound (such as A2B) or if a previous condition
RCI 510 RATED CAPACITY INDICATOR OPERATOR'S MANUAL TEL:(714) 259-9702 FAX:(714) 259-7626 22 of 35
O CANCEL AUDIBLE ALARM
O CANCEL AUDIBLE ALARMO CANCEL AUDIBLE ALARM
(such as overload) is removed and then recurs, the new alarm condition will cause the audible alarm to sound again.
The CANCEL ALARM push button is also used to reset the function kick-out relay when it is necessary to bypass the function disconnects.
Examples of when it may be necessary to override a function disconnect condition are:
If the boom hoist cylinder is fully extended, the pressure in it will rise. This will be seen by the system as an overload and will not allow the operator to boom down. Using the bypass is necessary in this situation to move away from the fully extended boom hoist cylinder position.
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CANCEL AUDIBLE ALARM
CANCEL AUDIBLE ALARM
CANCEL AUDIBLE ALARM CANCEL AUDIBLE ALARM
MAX
23,500
6
i2,300
ORs Full ERECTED 60' TELEJIB 17 AUXHD ON
TEST
PICK FROM MAIN BOOM FRONT WINCH
23
Crane Systems
44.8
62.7
26.4
9.7Klb Ctwt
CONTINUED
CONTINUED
CONTINUEDCONTINUED
o
360
o
SET
RESET FUNCTION KICK
RESET FUNCTION KICK----OUT
RESET FUNCTION KICKRESET FUNCTION KICK
When the crane is to be rigged, it is often necessary to put the boom in a position that could cause function kick-out. Using the bypass is necessary in this situation.
Press and release and then press and hold the CANCEL ALARM push button (item 23) for approximately 5 seconds to reset the relay. At this time a second beep is heard confirming the bypass. When the condition that caused the alarm is no longer present, the function disconnect relay will reset to the normal condition. Should a different alarm condition occur while the relay is over­ridden, the new alarm condition will cause the controls to disconnect again.
OUT
OUT OUT
WARNING
!
WHEN THE FUNCTION DISCONNECT RELAY
IS RESET BY MEANS OF THE CANCEL
ALARM PUSH BUTTON, THERE IS NO
LONGER PROTECTION AGAINST THE
CONDITION THAT CAUSED THE FUNCTION
KICK-OUT.
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MAX
23,500
i2,300
TEST
Crane Systems
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMSOPERATOR SETTABLE ALARMS
44.8
6
62.7
26.4
MIN ANGLE OFF
MAX LENGTH OFF MAX HEIGHT OFF
MAX ANGLE OFF
SET
28
25
ACCESSING THE OPERATOR ALARMS
To access the Operator Alarms from the main working screen, press the operator alarms push button (item 24). The Information Screen will then show the current status of the alarms.
The four operator alarms are shown below followed by the number identity of the push button that controls each alarm. These buttons are called out in the illustration above.
Minimum Boom Angle (item 28)
Maximum Boom Angle (item 29)
Maximum Boom Length (item 25)
Maximum Tip Height (item 27)
29
27
Each push button operates as a toggle switch turning the alarm "ON" or "OFF."
To activate or deactivate an alarm:
• If the alarm is OFF, press the appropriate push button to turn the alarm ON.
• If the alarm is ON, press the appropriate push button to turn the alarm OFF.
Refer to page 25 for a discussion on minimum and maximum boom angles and page 26 for maximum boom length and maximum tip height.
Return to the main screen by pressing the operator alarm push button (item 24) two times.
24
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OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS OPERATOR SETTABLE ALARMS
MAX
TEST
Crane Systems
23,500
6
i2,300
MIN ANGLE 32.0
MAX LENGTH OFF MAX HEIGHT OFF
44.8
62.7
26.4
MAX ANGLE 67.0
CONTINUED
CONTINUED
CONTINUEDCONTINUED
SET
28
SETTING MINIMUM BOOM
SETTING MINIMUM BOOM A
SETTING MINIMUM BOOMSETTING MINIMUM BOOM
• Move the boom to the desired minimum angle (in this example 32°). Press the operator alarm push button (item 24) to access the operator alarm screen.
• Press the push button (item 28) pointing to Min Angle. In this example the display will read MIN ANGLE 32°.
• The red warning light (item 5) will flash and the audible alarm will sound whenever the boom angle is below 32°. Pressing the MIN ANGLE push button again will cancel the alarm and the display will read MIN ANGLE OFF
ANNNNGLE ALARM
GLE ALARM
A A
GLE ALARMGLE ALARM
29
SETTING MAXIMUM BOOM
SETTING MAXIMUM BOOM ANGLE ALARM
SETTING MAXIMUM BOOMSETTING MAXIMUM BOOM
• Move the boom to the desired maximum angle (in this example 67°).
• Press the operator alarm push button (item
24) to access the operator alarm screen.
• Press the push button (item 29) pointing to Max Angle. In this example the display will read MAX ANGLE 67°.
• The red warning light (item 5) will flash and the audible alarm will sound whenever the boom angle is above 67°. Pressing the MAX ANGLE push button again will cancel the alarm and the display will read MAX ANGLE OFF.
ANGLE ALARM
ANGLE ALARM ANGLE ALARM
24
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OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS OPERATOR SETTABLE ALARMS
5
MAX
TEST
Crane Systems
23,500
6
i2,300
MIN ANGLE OFF
MAX LENGTH 58.0 MAX HEIGHT 78.0
44.8
62.7
26.4
MAX ANGLE OFF
CONTINUED
CONTINUED
CONTINUEDCONTINUED
SET
25
SETTIN
SETTING MAXIMUM BOOM LENGT
SETTINSETTIN
• Move the boom to the desired maximum
• Press the operator alarm push button (item
• Press the push button (item 25) pointing to
• The red warning light (item 5) will flash and
Pressing the MAX LENGTH push button again will cancel the alarm and the display will read MAX LENGTH OFF.
G MAXIMUM BOOM LENGTH ALARM
G MAXIMUM BOOM LENGTG MAXIMUM BOOM LENGT
length, in this example 58 ft.
24) to access the operator alarm screen.
Max Length. In this example the display will read MAX LENGTH 58 FT.
the audible alarm will sound whenever the boom length exceeds 58 ft.
H ALARM
H ALARMH ALARM
27
24
SETTING MAXIMUM TIP
SETTING MAXIMUM TIP HEIGHT ALARM
SETTING MAXIMUM TIP SETTING MAXIMUM TIP
• Move the boom to the desired maximum height, in this example 78 ft.
• Press the operator alarm push button (item
24) to access the operator alarm screen.
• Press the push button (item 27) pointing to Max Height. In this example the display will read MAX HEIGHT 78 FT.
• The red warning light (item 5) will flash and the audible alarm will sound whenever the boom tip height exceeds 78 ft.
Pressing the MAX HEIGHT push button again will cancel the alarm and the display will read MAX HEIGHT OFF.
HEIGHT ALARM
HEIGHT ALARMHEIGHT ALARM
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OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMSOPERATOR SETTABLE ALARMS
5
MAX
23,500
6
i2,300
LEFT SWING OFF RIGHT SWING OFF
TEST
LEFT POINT OFF RIGHT POINT OFF
Crane Systems
44.8
62.7
26.4
CONTINUED
CONTINUED
CONTINUED CONTINUED
SET
28
25
ACCESSING SWING AND
ACCESSING SWING AND
ACCESSING SWING AND ACCESSING SWING AND WORK AREA ALARMS
WORK AREA ALARMS
WORK AREA ALARMSWORK AREA ALARMS
To access the SWING AND WORK AREA ALARMS from the main working screen, press the OPERATOR ALARM push button (item 24) 2 times.
The Information Screen will show the current status of the Swing and Work Area Alarms.
There are 4 separate operator alarms, all controlled by push buttons (items 25, 27, 28, and 29). Each one of these push buttons relates to the alarm to which it points.
29
24
27
Each push button operates as a toggle switch. If the alarm to be set is OFF, pressing the push button will turn the alarm ON. If the alarm to be set is ON pressing the push button will turn the alarm OFF.
When Operator Alarms are set, the light in the push button (item 24) will be illuminated.
Return to the main screen by pressing the OPERATOR ALARM push button (24).
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OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS OPERATOR SETTABLE ALARMS
SWING ALARMS
SWING ALARMS
SWING ALARMSSWING ALARMS
Crane Systems
CONTINUED
These alarms, when set, permit the operator to define a Working Arc and an Exclusion Zone by two set points. The following diagram illustrates the Working Arc and Exclusion Zone.
WORKING ARC AND EXCLUSION ZONE
Right S wing
A left swing alarm is activated when swinging to the left.
A right swing alarm is activated when
Left Swing
WORKING ARC
swinging to the right
EXCLUSION ZONE
In this example, the working arc is the smaller piece of the pie.
WORKING ARC AND EXCLUSION ZONE
A left swing alarm is activated when
EXCLUSION ZONE
Left Swing
swinging to the left.
A right swing alarm is activated when
Right S wing
swinging to the right
In this example, the working arc is the larger
WORKING ARC
piece of the pie.
THE OPERATOR DEFINED SWING ALARM IS A WARNING DEVICE. ALL FUNCTIONS REMAIN OPERA-
TIONAL WHEN ENTERING THE OPERATOR DEFINED EXCLUSION ZONE. IT IS THE RESPONSIBILITY OF
THE OPERATOR TO SET SWING ALARMS THAT ENSURE THAT THE CRANES BOOM, ATTACHMENT,
LOAD, AND RIGGING ETC. MAINTAINS A SAFE WORKING DISTANCE FROM THE OBSTACLE. AVOID POSI-
TIONING THE BOOM, ATTACHMENT, LOAD, AND RIGGING ETC. IN THE EXCLUSION ZONE WHEN MOVING
TO THE LEFT AND RIGHT SWING POINTS. WHEN SELECTING LEFT AND RIGHT SWING POINTS ENSURE
THAT THE LOAD WILL MAINTAIN A SAFE DISTANCE FROM THE OBSTACLE. IF THE CRANE OR OBSTACLE
IS MOVED OR IF A DIFFERENT SIZE LOAD IS LIFTED THE SWING ALARMS MUST BE RESET.
WARNING
!
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OPERAT
OPERATOR SETTABLE ALARMS
OPERATOPERAT
5
MAX
23,500
TEST
Crane Systems
OR SETTABLE ALARMS
OR SETTABLE ALARMS OR SETTABLE ALARMS
CONTINUED
44.8
6
i2,300
LEFT SWING 325 RIGHT SWING 35
LEFT POINT OFF RIGHT POINT OFF
62.7
26.4
0
0
SET
28
SETTING LEFT SWING A
SETTING LEFT SWING ALARM
SETTING LEFT SWING ASETTING LEFT SWING A
• Swing the boom to the desired Left Swing Limit, e.g. 325°. Press the operator alarm push button (item
24) 2 times to access the swing alarm screen.
• Press the push button (item 28) pointing to Left Swing. The information screen (item 1) will read LEFT SWING 325°.
Both Left and Right Swing Alarms must be set for the system to operate correctly. The red warning light (item 5) will flash and the audible alarm will sound whenever only one of the left/right swing limits is set.
LARM
LARMLARM
1
29
SETTING RIGHT SWING
SETTING RIGHT SWING ALARM
SETTING RIGHT SWING SETTING RIGHT SWING
• Move the boom to the desired Right Swing Limit, e.g. 35°.
• Press the Right Swing push button (item
29). The information screen (item 1) will read RIGHT SWING 35°.
The red warning light (item 5) will flash and the audible alarm will sound whenever the boom swings past the preset limits.
Pressing the LEFT SWING and RIGHT SWING push buttons again will cancel the alarm and the information screen (item 1) will read: LEFT SWING OFF RIGHT SWING OFF.
ALARM
ALARMALARM
24
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OPERATOR
OPERATOR SETTABLE ALARMS
OPERATOR OPERATOR
WORK AREA SELECTION MODE
WORK AREA SELECTION MODE
WORK AREA SELECTION MODEWORK AREA SELECTION MODE
This alarm, when set, permits the operator to define an Operating Zone by only two set points. The use of this method results in a greatly enhanced work area and also clearly and simply defines the Exclusion Zone area. The following diagram illustrates the Operating Zone and the Exclusion Zone.
Crane Systems
SETTABLE ALARMS
SETTABLE ALARMS SETTABLE ALARMS
CONTINUED
CONTINUED
CONTINUEDCONTINUED
Operator Area Alarm and Operating Zones
Operating Zone
Set Point 2
Operating Zone
Operating Zone
Safe
Working Distance
EXCLUSION ZONE
The operator defined work area alarm, when set, will define an imaginary vertical plane between two set points to optimize the working area. When passing the plane, the red warning lamp will illuminate, the audio alarm will sound, and the message “EXCLUSION ZONE” will flash on the display.
THE OPERATOR DEFINED WORK AREA ALARM IS A WARNING DEVICE. ALL FUNCTIONS REMAIN OPERATIONAL WHEN
ENTERING THE OPERATOR DEFINED EXCLUSION ZONE. “SAFE WORKING DISTANCE” IS THE TIME IT WOULD TAKE AN
OPERATOR TO REACT TO AN ALARM AND FOR THE CRANE MOTION TO BE HALTED BEFORE ENTERING THE EXCLU-
SION ZONE. IT IS THE RESPONSIBILITY OF THE OPERATOR TO SET POINTS THAT ENSURE THAT THE CRANE BOOM,
ATTACHMENT, LOAD, RIGGING, ETC. MAINTAINS A SAFE WORKING DISTANCE FROM THE OBSTACLE. AVOID
POSITIONING THE BOOM, ATTACHMENT, LOAD, RIGGING, ETC. IN THE EXCLUSION ZONE WHEN MOVING TO SET
POINTS 1 AND 2. WHEN SELECTING SET POINTS 1 AND 2, ENSURE THAT THE LOAD WILL MAINTAIN A SAFE DISTANCE
FROM THE OBSTACLE. IF THE CRANE OR OBSTACLE IS MOVED, OR IF A DIFFERENT SIZE LOAD IS LIFTED, THE WORK
AREA ALARM MUST BE RESET.
OBSTACL
Obstacle
E
WARNING
!
Set Point 1
EXCLUSION ZONE
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OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS
OPERATOR SETTABLE ALARMS OPERATOR SETTABLE ALARMS
5
MAX
23,500
i2,300
LEFT SWING OFF RIGHT SWING OFF
TEST
LEFT POINT SET RIGHT POINT SET
Crane Systems
44.8
6
62.7
26.4
CONTINUED
SET
WORK AREA SELECTION MODE
WORK AREA SELECTION MODE
WORK AREA SELECTION MODEWORK AREA SELECTION MODE
• Press the operator alarm push button (item
24) two times to access the Work Area alarm screen.
SETTING POINTS 1 AND 2
• Move the boom, attachment, load, rigging
etc. to the desired LEFT SET POINT.
• Press the push button (item 25) pointing to Left Point. The information screen (item 1) will read LEFT POINT SET.
Both Left and Right Points must be set for the system to operate correctly. The red warning light (item 5) will flash and the audible alarm will sound whenever only one of the left/right swing limits is set.
1
• Move the boom, attachment, load, rigging
etc. to the desired RIGHT SET POINT.
• Press the push button (item 27) pointing to Right Point. The information screen (item 1) will read RIGHT POINT SET.
The red warning light (item 5) will flash and the audible alarm will sound whenever the boom tip penetrates the exclusion zone.
Pressing the LEFT POINT and RIGHT POINT push buttons (items 25 & 27) again will cancel the alarm and the information screen (item 1) will read
LEFT POINT OFF RIGHT POINT OFF
27
2425
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Crane Systems
GLOSSARY OF
GLOSSARY OF TERMS
GLOSSARY OFGLOSSARY OF
TERMS
TERMS TERMS
ACTUAL LOAD The load suspended below the lifting point.
ALARM A signal that warns or alerts, such as a flashing light or loud noise.
ANGLE SENSOR A device that measures the inclination of a boom.
ANTI TWO-BLOCK A device that, when activated, prevents movement that causes two-
blocking.
AUDIBLE ALARM A signal that alerts by means of noise.
AUXILIARY HEAD (AUXHD)
AUXILIARY HOIST (AUX HOIST)
A short jib fitted at the main boom head that is used to provide separation of the main and auxiliary ropes when both are reeved over the main boom head.
A separate hoist rope system other than the main hoist.
BARGRAPH A pictorial device used to illustrate quantitative relationships.
BOOM A member hinged to the upperstructure that supports the hoisting tackle.
BOOM ANGLE The angle of the longitudinal axis of the boom relative to horizontal.
BOOM HOIST A device for controlling the boom angle.
BOOM LENGTH The length of the boom along its longitudinal axis from the foot pin to the
axle of the head machinery.
BOOM MOMENT The turning moment around the boom pivot caused by the moment of the
unladen boom.
CAPACITY CHART A table showing the rating of a crane.
CENTER LINE OF ROTATION
CENTER OF GRAVITY The point at which the entire weight of a body may be considered as con-
The vertical axis around which the crane upperstructure rotates.
centrated so that if supported at this point the body would remain in equilib­rium in any position.
COMMISSIONING Preparing to be put into service.
CONFIGURATION An arrangement of the lifting elements of a crane.
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COUNTERWEIGHT (CTWT)
CURSOR A pointer on a display that indicates the position where data is to be
DEDUCT
DIRECTION The direction of rotation of the superstructure.
DUTY A working configuration on a crane usually contained in a single column of a
ERECTED ATTACH­MENT
EXTENSION SENSOR A device that measures the extension of the telescoping sections of a boom.
FUNCTION KICK-OUT A device that disengages certain crane functions whose movement could
Crane Systems
A weight used to supplement the weight of the crane to provide stability for lifting.
entered.
A reduction in rated capacity for an unused stowed or erected attachment.
capacity chart.
An attachment on the main boom fitted in its working position.
cause overload or two-blocking.
HEIGHT The vertical distance from the ground to the tip of the boom or attachment.
HORIZONTAL Parallel to the horizon.
INFORMATION SCREEN A display that gives information supplemental to the information on the
pictograph.
INTEGRATED CIRCUITS A tiny complex of electronic components and connections on a small slice of
material (such as silicon).
JIB Something attached such as a lattice fly or jib on a crane boom.
MANUAL SECTION The tip section of the main boom that can be telescoped independently of
the other sections.
MICROPROCESSOR A computer processor contained on an integrated chip.
MOMENT The product of force and distance to a particular axis or point.
OPERATOR ALARMS Alarms that can be set by the operator, which provide working limits
additional to the chart limits.
OUT OF DUTY A point which is either longer than the longest permitted radius or lower than
the lowest permitted angle on a capacity chart
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OUTRIGGER (ORs) A support projecting from a main structure used to provide additional
OVERLOAD The point at which the actual load exceeds the rated capacity of the crane.
PARTS OF LINE The number of parts of hoist rope between the upper and lower blocks.
PICTOGRAPH A pictorial representation of the crane.
POINT OF LIFT The location of the hoist rope for the current lift e.g. main boom, auxiliary
PRE-ALARM The point at which the actual load is 90% of the rated capacity of the crane.
PRESSURE Hydraulic pressure in the boom hoist cylinder
RADIUS The horizontal distance from the centerline of rotation to the center of the
RATED CAPACITY The lifting capacity of a crane, as determined by the published capacity
Crane Systems
stability.
head or jib.
hook.
chart.
RATED CAPACITY The load that a crane can safely handle based on factors such as strength,
stability, and rating.
RATING A factor determined by legislation that limits the proportion of the
capability of the cranes that may be utilized in a lifting operation. Usually expressed as a percentage of strength or stability.
REEVING A rope system in which the rope travels around drums and sheaves.
ROPE LIMIT The maximum permitted single line pull determined by the construction and
diameter of a wire rope.
ROPE LIMIT A condition that occurs when the type of rope and the parts-of- line in use
restrict the capacity of the crane.
SENSOR A device that responds to physical stimulus and transmits a resulting
impulse.
SHEAVE A grooved wheel or pulley.
SLEW OFFSET The horizontal distance from the boom pivot to the center of rotation
STOWED ATTACHMENT An attachment usually stowed on the main boom when not in use.
UPPERSTRUCTURE The structural part of a crane above the carrier, usually rotating.
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SWING The rotation of a crane upper around its center line.
SWING ALARMS Audible alarms occurring when the upper structure swings into areas
SWL (%SWL) Percentage of safe working load. The proportion of the crane capacity which
TRANSDUCER A device that is actuated by energy from one system and converts this to
TWO-BLOCKING The condition when the lower load block or hook assembly comes in contact
UNLADEN A boom that has no additional stowed or erected attachments and that is not
WINCH A hoist drum used in conjunction with a rope for raising and lowering loads.
Crane Systems
defined by the operator with the use of Operator Alarms.
is being utilized at any one time expressed as a percentage of rated capacity
another form for use by a different system (as a loudspeaker, that is, actuated by electrical signals and supplies acoustic power).
with the upper load block or boom point.
supporting a load.
WORK AREA ALARM Permits the operator to define an operating zone by the means of only two
set points.
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