GREER Company Microguard 414, Operator'S Manual

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GREER COMPANY GREER COMPANY GREER COMPANY GREER COMPANY
Crane Systems Crane Systems Crane Systems Crane Systems
GREER COMPANY 1918 East Glenwood Place, Santa Ana, CA 92705 Tel: 714) 259-9702 Fax: 714) 259-7626 PN W414107-
MicroGuard

414 System Lattice Boom Cranes Horizontal Display Clyde M4190 Barge Mount OPERATOR'S MANUAL 12/20/01
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PERIODIC INSPECTIONS PERIODIC INSPECTIONS PERIODIC INSPECTIONS PERIODIC INSPECTIONS
CHECKING T
CHECKING T CHECKING T
CHECKING THE ANTI TWO BLOCK SYSTEM
HE ANTI TWO BLOCK SYSTEM HE ANTI TWO BLOCK SYSTEM
HE ANTI TWO BLOCK SYSTEM
MAIN SWITCH
MAIN SWITCH MAIN SWITCH
MAIN SWITCH
1. LOWER THE BOOM SO THAT THE A.T.B. SWITCHES CAN BE REACHED BY HAND.
2. SET THE SELECTOR SWITCH LOCATED ON THE MAIN SWITCH HOUSING TO THE "MAIN"
POSITION AND CHECK THAT RAISING THE WEIGHT TO TRIP THE SWITCH CAUSES THE
A.T.B. ALARM TO OPERATE.
JIB SWITCHES JIB SWITCHES JIB SWITCHES JIB SWITCHES
IF THE CRANE IS EQUIPPED WITH ADDITIONAL JIB SWITCHES, CHECK AS FOLLOWS.
1. CONNECT THE CABLE FROM THE JIB SWITCH TO THE RECEPTACLE ON THE MAIN SWITCH.
2. SET THE SELECTOR SWITCH TO "BOTH".
3. CHECK THAT RAISING THE WEIGHT AND TRIPPING THE SWITCH ON EITHER THE MAIN OR
THE JIB SWITCH CAUSES THE A.T.B. ALARM TO OPERATE.
4. SET THE SELECTOR SWITCH TO "JIB".
5. CHECK THAT RAISING THE WEIGHT ON THE JIB SWITCH ONLY AND TRIPPING THE SWITCH
CAUSES THE A.T.B. ALARM TO OPERATE.
FUNCTION KICK
FUNCTION KICK FUNCTION KICK
FUNCTION KICK----OUT
OUT OUT
OUT
IF THE CRANE IS EQUIPPED WITH FUNCTION KICK-OUT, CHECK THE OPERATION OF THE
SYSTEM AS FOLLOWS.
WITH THE CRANE IN ANY NORMAL WORKING CONFIGURATION, RAISE THE HOOK BLOCK
SUFFICIENTLY TO CAUSE THE A.T.B. SWITCH TO OPERATE.
CHECK THAT WHEN THE AUDIBLE ALARM SOUNDS, THE FOLLOWING FUNCTIONS ARE
STOPPED:
♦
FRONT WINCH UP
♦
REAR WINCH UP
♦
BOOM HOIST LOWER
CHECK THAT WHEN THE CANCEL ALARM BY-PASS SYSTEM IS ENABLED OR THE
RIGGING/TRAVEL MODE IS SELECTED, THE AUDIBLE ALARM IS SILENCED AND THE MOTIONS
ARE RESTORED.
CAUTION CAUTION CAUTION CAUTION
WHEN CARRYING OUT THIS TEST THE CRANE IS NOT PROTECTED BY THE FUNCTION KICK-
OUT CIRCUITS. TAKE CARE THAT THE CRANE IS NOT PUT INTO AN ACTUAL TWO-BLOCK
CONDITION INADVERTENTLY.
DO NOT OPERATE THE CRANE UNDER THE ABOVE CONDITIONS.