
GREER COMPANY
Crane Systems
GREER COMPANY, 1918 E. Glenwood Place, Santa Ana CA 92705 Telephone: (714) 259-9702. Fax: (714) 259-7626. PN W424102 REV C 09/99
MicroGuard®424 Installation Manual
3 of 35
TABLE OF CONTENTS
MicroGuard®424 System
SYSTEM COMPONENTS...........................................................................................................................5
SYSTEM REMOVAL AND INSTALLATION................................................................................................6
UPGRADING OLDER GREER SYSTEMS...........................................................................................6
EXTENSION REEL...............................................................................................................................6
ANTI TWO-BLOCK CIRCUIT...............................................................................................................6
DISPLAY...............................................................................................................................................7
COMPUTER .........................................................................................................................................7
PRESSURE TRANSDUCERS ....................................................................................................................7
EXTENSION REEL CABLE TO COMPUTER......................................................................................7
ANGLE SENSOR..................................................................................................................................8
BULKHEAD CONNECTOR ..................................................................................................................8
A047013 CABLE...................................................................................................................................8
PROCEDURE FOR CONNECTING CABLE SHIELDS ..............................................................................9
SYSTEM COMPUTER..............................................................................................................................10
CABLE SCHEDULE..................................................................................................................................11
CABLE 1 PISTON PRESSURE TRANSDUCER...............................................................................11
CABLE 2 ROD PRESSURE TRANSDUCER ....................................................................................11
CABLE 3 BOOM EXTENSION, BOOM ANGLE AND ANTI TWO-BLOCK SIGNAL.........................11
LINK-BELT WIRING ON MG-3 SYSTEMS.........................................................................................12
CABLE 6 SWING SWITCH INPUTS.................................................................................................13
CABLE 7 DISPLAY............................................................................................................................13
CABLE 8 POWER AND FUNCTION KICKOUT................................................................................14
SYSTEM BYPASS SWITCH.............................................................................................14
ATB BOARD CONNECTIONS..........................................................................................14
MEASUREMENTS CRITICAL TO CALIBRATION....................................................................................15
MICROGUARD®424 APPLICATION DATA SHEET TELESCOPIC CRANES..................................16
SWING DATA.....................................................................................................................................17
BOOM HOIST DATA ..........................................................................................................................18
WINCH DATA.....................................................................................................................................19
DEAD END BECKET DATA ...............................................................................................................20
MAIN BOOM DATA ............................................................................................................................20
ATTACHMENT DATA....................................................................................................................21-25