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This Policy is Under Development. If questions please contact Area Manger.
Purpose
Purpose
The purpose of this trouble-shooting guide is to assist you in diagnosing Versatrol Loading Valves
Procedure
Procedure
This procedure applies to all units that are currently in service in the field, at a repair shop, and in storage yards.
Before any work is performed a JSA must be completed according to Flogistix procedure along with any customer requirements before any work is started.
Diagnosing Versatrol Loading Valves
Start by identifying which loading valve that is not operating correctly. Refer to the link below to identify the loading valve sequence 1.04.007 LeRoi Compressor Poppet Load Sequence
Step 1: Identify loading valve sequence and verify they are working in order. After identifying the loading valves login to the unit as Mechanic. Return to the home page and click the yellow loading valve mode button. Change the loading valve mode into manual. After changing the operation made continue to the auto loading page found in the settings.
Step 2: Test each valve to verify which ones are operating correctly by selecting the "LOAD" tab
Step 3: After locating the valves that are not working locate and identify the 4-way solenoid valves mounted on the skid.
Step 4: Using a small screwdriver, insert it into the side of the 4-way solenoid valve. This will force the loading valve in or out depending on which side you insert the screwdriver in.
Did the loading valve operate when the screwdriver was inserted? If yes, continue to step 5. If no, the solenoid valve needs to be replaced.
Step 5: If the solenoid activated when you inserted the screwdriver then you will need to continue diagnosing into the on-skid panel. Start by ensuring you are still logged in as mechanic. Continue to the diagnostic page and locate the box that is labeled PLC Outputs. Select the PLC output box and it will give you the wire number and where it is located.
Step 6: After locating the wire number and relay in the panel return to the auto loading page and manually load the valve you are working on. Verify the green light on the relay is turning on when commanded to load and unload.
Is the green light turning on when commanded? If yes, the 24v relay needs to be replaced and test operations after replacing. If no, continue to step 7.
Step 7: If the light is not turning on when commanded there is a further issue with the wiring. Refer to the wiki for the wiring diagrams. After reading through the wiring diagram verify you are getting +24 to the A1+ on the top side of the relay. Next verify A2 – on the top of the relay for a ground signal from the PLC. There should be a constant +24 on A1 and only a -24 when commanded by the PLC.
Did you find a voltage issue? If yes, where at?
Did you have +24 on A1+? If not, trace the power wire that is supplying the voltage to the relays and verify they are terminated correctly. Also verify jumper wires are terminated correctly.
Did you have -24 on A2 – when commanded by PLC? If there is not a -24 being supplied to A2 – when commanded check the PLC output to verify the ground signal is either being lost before it terminates at the relay, or there is no signal coming from the PLC at all. If there is a signal break before the relay, then the wire may be cut or damaged. If there is no signal coming out of the PLC when commanded or it is sending a +24 instead of a -24 the PLC will need to be replaced.
If issues continue after using this diagnostic sheet, contact your area lead for further instruction.
Responsibilities
Responsibilities
Management - Management is responsible for implementing, supporting, and enforcing the requirements of this procedure to their respective locations/area.
EHSS - Responsible to assist in the implementation of this procedure and to review for effectiveness.
Employees, Contractors, Vendors, ETC. - Are responsible to follow the following requirements outlined in this procedure and ask for assistance
Scope
Scope
Hazards
Hazards
Employees should be aware that units could contain flammable and toxic gasses. Potential for the possible hazards of gas ignition or fire, hot surfaces & fluids, rotating equipment. Risk of possible concentration of H2S. Hazardous gases could be in the units pressure vessels, cooler, or associated piping and risk of inhalation of hazardous gas fumes. Environmental spill of compressor oil and possible production fluids
Safety
Safety
All Personal Protective Equipment (PPE) for normal Field Mechanical duties apply for this procedure. Four Gas Monitor, which is outlined in the Flogistix EHSS Manual, PPE Section 8, Procedure 8.3 This procedure applies to all units in service in the field, at a service shop, or in any storage yard.
Insure Flogistix personnel have proper safety certification as required by the Flogistix Customer.
Insure Flogistix personnel adhere to all Customers safety practices.
Proper use of required tools
Spills and Disposal
Spills and Disposal
All spills shall be handled immediately according to MSDS recommendations and the employee's level of training
Flogistix Service Technicians performing this task will properly dispose of any waste liquids or solids. Disposal of any fluids or solid waste will be disposed of properly according to Flogistix policy. Disposal of any fluids will be done at an approved or designed waste location. Disposal of solid waste from a compressor shaft seal change such as, oily rags, ETC, will be disposed of according to the local regulations regarding the disposal of oil soaked rags.
Training
Training
All employees shall be initially trained on the following topics:
Employee Personal Protective Equipment (PPE)
Lock Out Tag Out (LOTO) procedure according to Flogistix policy
MSDS Online System
Emergency and First Aid procedures
Methods and Observations that may be used to detect the presence or release of a hazardous chemicals or gas in the work place
Tools & Equipment Required
All employees performing Preventative Maintenance shall be required to have the listed tools to perform job tasks:
All required PPE according to Flogistix Safety Policy
Lock Out Tag Out LOTO items to properly perform LOTO procedure according to Flogistix policy
Basic Hand Tools
Digital Multi-Meter
Approvals
Field Service approved by:
Date:
Engineering approved by:
Date:
EHSS approved by:
Date:
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