19 
               July 
             When catching a powerful typhoon (wind speed reaches 50m/s), besides daily wind resistance measures, thoroughly anchor the bridge girder launcher. ... 
           18 
               July 
             Safe wind resistance of bridge girder launcher is also an important daily job, professionals to monitor and check is necessary.  ... 
           17 
               July 
             Frequency converter of bridge girder launcher is not suitable for any condition, to use it, you must learn more about load, environmental demand and frequency converter itself. ... 
           16 
               July 
             After finishing installing the bridge girder launcher, make a comprehensive check:
A. Check whether connection parts are tight
B. Check whether electric connection is right and whether limit switch is reliable
C. Check whether each part for hydraulic system has a oil leakage phenomenon and a good lifting function
 ... 
           14 
               July 
             Follow the safety precautions stipulated by safety guard on the site
Follow all related instructions and explanation in the installation, use and maintenance manual, check whether all parts work well
 ... 
           13 
               July 
             The bridge girder launcher is of heavy bridge construction equipment, to ensure its normal work, it is necessary to operate the machine in accordance with operation instruction manual and current related rules. ... 
           12 
               July 
             According to field working condition in Singapore, combined with ZZHZ successful design experience of bridge girder launcher, ... 
           11 
               July 
             1.	Operator could begin the operation of gantry crane only after receiving commanding signal, and should give a signal by ringing. ... 
           09 
               July 
             1. As maintaining the bridge girder launcher, the operator must directly confirm that the frequency converter input power supply is in the state “cut off”
2. After cutting off the power supply, high voltage electricity may still be remained in main circuit electrolytic capacitor of the frequency converter
 ... 
           09 
               July 
             Often check whether electrical instruments, operating switch and indicator are damaged or not, whether cables are broken, whether electrical cabinet and junction box are deformed, whether electrical elements in the cabinet is normal, whether all connecting points are firm and the contact point is damaged. ... 
           09 
               July 
             HZQ900 bridge girder launcher is designed and developed aiming to the characteristics of the various girder types, the heavy lifting capacity, ... 
           05 
               July 
             Organizational labor division of large-duty bridge girder launcher
One shift operating personnel labor division:
 ... 
           29 
               June 
             1.	The driver should be trained by the professional training, and get the certificate after passing the examination, and he is very familiar with structure and operation.
2.	Anyone who is not a professional driver is strictly prohibited to drive the gantry crane.
 ... 
           28 
               June 
             1.	Only the qualified operator can operate the crane independently, non-operators are prohibited to get into the operator’s room.
2.	When operates the crane, operator should achieve to the following requirements:
 ... 
           25 
               June 
             After construction are finished everyday, the workers must check the following content:  ... 
           29 
               May 
             To ensure the normal operation of the concrete batching plant, regular maintenance and repairing should be done to the station. (Refer to the manual of MAIO 1500 for its repairing and maintenance.) ... 
           28 
               May 
             The instruction applies to electrical double-girder, single-girder(L or C type) gantry crane and hoist block gantry cranes. ... 
           22 
               May 
             The instruction applies to electrical double-girder, single-girder(L or C type) gantry crane and hoist block gantry cranes. ... 
           09 
               May 
             Gantry crane is the extra-heavy hoist machinery. Therefore we should operate it safely and correctly in order to make sure the workers’ safety. Therefore, ZZHZ can give some advice to us: ... 
           08 
               May 
             1.	Ordinary maintenance:
a.	Clean operator’s room and dust and greasy dirt on the machine; ... 
          






