Liquid Controls MA4 Meter - Manual (Page 2)

2
Table of Contents
Description Page Number
Safety Precautions .............................................. 2
How LC Meters Work .......................................... 3
Owner’s Information Packet ................................ 4
Installation Requirements .................................... 4-5
Installation ........................................................... 6-9
Mounting Dimensions - Single Meter ...... 6
Mounting Dimensions - Dual Meter ........ 7
Operation Requirements ........................ 8
Meter Installation .................................... 8
Meter Start Up & Operation .................... 9
Meter Maintenance ............................................. 10-11
Pulse Output Device 5 (POD5) ........................... 12-14
Vapor Eliminator/Strainer Maintenance ............... 15-16
Differential Valve Maintenance ............................ 17
Please have the following information available when you
make inquiries, order replacement parts, or schedule
service. If a specific meter accessory is involved, please
provide the model and serial number of the meter in
question (See Page 4).
Meter Serial Number____________________________
Full Service Distributor___________________________
Full Service Distributor Phone Number______________
Be Prepared
Make sure that all necessary safety precautions have
been taken. Provide for proper ventilation, temperature
control, fire prevention, evacuation and fire management.
Provide easy access to the appropriate fire extinguishers
for your product. Consult with your local fire department
Safety Procedures
! ! ! ! ! WARNING
All internal pressures must be relieved before
disassembly or inspection of the strainer, air eliminator,
any valves in the system, the packing gland, and the
front or rear covers. See “Relieving Internal Pressure”
(Page 10).
Disassembling the Meter ..................................... 18-19
Removing the Non-Corroded Rotor Gears .......... 20
Removing Bearing Plates and Rotors ................. 20
Removing Corroded Rotor Gears ........................ 21
Reassembling the Meter ..................................... 22-23
Timing the Rotor Gears ....................................... 24
Torque Chart ....................................................... 25
Wrench and Socket Size Chart ........................... 25
Troubleshooting ................................................... 26
How to Order Replacement Parts ....................... 27
Meter Assembly Exploded View .......................... 28
Strainer Assembly Exploded View ....................... 29
Differential Valve Exploded View ......................... 30
Optional Back Check Valve Assembly ................. 31
Publication Updates & Translations
The most current English versions of all Liquid Controls
publications are available on our website,
www.lcmeter.com. It is the responsibility of the Local
Distributor to provide the most current version of LC
Manuals, Instructions, and Specification Sheets in the
required language of the country, or the language of the
end user to which the products are shipping . If there
are questions about the language of any LC Manuals,
Instructions, or Specification Sheets, please contact your
Local Distributor.
! ! ! ! ! WARNING WARNING WARNING WARNING WARNING
• Before using this product, read and understand the instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application, installation, and
maintenance of equipment and/or systems in accordance with all applicable codes and ordinances.
• Failure to follow the instructions set forth in this publication could result in property damage, personal injury,
or death from fire and/or explosion, or other hazards that may be associated with this type of equipment.
and state and local codes to make sure that you are
adequately prepared.
Read this manual as well as all the literature provided in
your owner’s packet.
In the Event of a Gas Leak
In the event of a large gas leak: Evacuate the area
and notify the fire department.
In the event of a small, contained gas leak:
1.
Stop the leak and prevent accidental ignition.
2. Prevent the entrance of gas into other portions of
the buildings. Some gases, such as LPG, seek lower
levels, while other gases seek higher levels.
3. Evacuate all people from the danger zone.