3 Honeywell ® ELSTER RABO Rotary Gas Meter ® RABO Rotary Gas Meter 1. General Information Table of Contents This manual covers installation, operation and 1. General Information maintenance for the Elster Instromet RABO Rotary Meter. 2. Intended Use and Application Refer to EAM-TB5900 for additional information.
4 Honeywell ® ELSTER RABO Rotary Gas Meter 4. Receiving, Handling and Storage a) Piping Configurations [Figures 2, 3 and 4] Elster RABO meters should be handled with care to protect NOTICE the product from damage. If the package shows evidence...
5 Honeywell ® ELSTER RABO Rotary Gas Meter b) Mounting Always follow your company’s procedures, and applicable local codes and ordinances. Ensure gas valves are closed. Ensure the upstream piping is clean and free of any debris. Remove protective caps from meter inlet and outlet prior to installation.
6 Honeywell ® ELSTER RABO Rotary Gas Meter 6. Start-up/Commissioning 7. Decommissioning and Removal After the meter has been properly installed, it is important to a) Always follow your company’s procedures, and local use extreme care during start-up to mitigate adverse codes and ordinances.
7 Honeywell ® ELSTER RABO Rotary Gas Meter While performing an accuracy test, the meter is tested for Pressure test ports are provided for simplified pressure a specified volume of gas at each flow rate test point. connections [Figure 9].
® ELSTER RABO Rotary Gas Meter 13 Honeywell Pull off the index cover. • It helps to rock it slightly. • Be careful not to damage the masking plate and index when removing the cover. Carefully pull off the index masking plate [Figure 12].
® ELSTER RABO Rotary Gas Meter 14 Honeywell Figure 14. Change gear removal Figure 16. IN-S10 pulser installed Meter Gear Color 3.5M/G65 White 5.5M/G100 Dark Green 9M/G160 Green 14M/G250 Table 1 Figure 15. Index, change gear and locking collar 8. Install the replacement index.
® ELSTER RABO Rotary Gas Meter 15 Honeywell 13. Thermowell 14. Instrument Drive (ID) All RABO meters come equipped with two (2) ¼“ NPT auxiliary All RABO meters can be retrofitted with an instrument drive, ports on the meter body [Figure 18], which can be used for or instrument adaptor plate.
® 16 Honeywell ELSTER RABO Rotary Gas Meter SUPPORT HOLE iv) Unscrew the lock nut from the magnet holder INDEX (ON BACK SIDE) (THREADS ARE LEFT HAND) [Figure 17]. RETAINING SCREW LOCK CHANGE GEAR INDEX INDEX RETAINING MAGNET RETAINING SCREW...
® 17 Honeywell ELSTER RABO Rotary Gas Meter NOTE: Regardless the meter orientation installation, the ID adaptor plate must be mounted horizontally during operation so that the ID mounted accessory is in a vertical orientation xvi) Tighten the two M6 socket head cap screws installed Figure 26.
The TCI is an ideal replacement for mechanical TC indexes. For higher volume application and greater accuracy, the RABO meter can be fitted with the EC350. The EC350 is Honeywell’s latest Gas Volume Corrector platform. It features new high accuracy/stability digital pressure transducer, Cellular 4G/LTE communication, advanced audit trail capability and lowers ownership and operating costs Detailed assembly instructions can be found in the manual delivered with the corrector or temperature compensation index.
® 19 Honeywell ELSTER RABO Rotary Gas Meter 17. Troubleshooting Problem Probable Cause Suggested Action Clean by ﬂushing, or replace worn parts Excessive vibration Build-up of foreign material on impellers Misalignment Level meter in piping Worn bearings Replace bearings Worn timing gears...