T.M. EDOCS Reproduction of the information or illustrations contained in this publication is not permitted without specific written approval of Pacific Consolidated Industries. LIST OF EFFECTIVE PAGES Insert lasted changed pages. Destroy all superceded pages Note: The portion of the text affected by the current change is indicated by a vertical line on the outer margins of the page TOTAL NUMBER OF PAGES IN THIS PUBLICATION IS (73), CONSISTING OF THE FOLLOWING: The asterisk (*) indicates pages changed, added or deleted by the current change Change 0 –...
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T.M. EDOCS TABLE OF CONTENTS (Continued) SECTION VIII ........8-1 Scroll Compressor Maintenance ... 8-1 Greasing Compressor Bearing..8-1 Greasing Pin Crank Bearing..... 8-1 Tip Seal Set Replacement....8-3 PODS And SSODS Correcting A Pressure Leak Moving And Transport Instruction SEACTION IX Troubleshooting MD Blower...
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T.M. EDOCS Figure Scroll Tip Seal Parts List Page Figure Scroll Tip Seals Page Figure Scroll Tip Seal Removal Page Figure Scroll Tip Seal Angle Alignment Page Figure Scroll Tip Seal Installation Page PACIFIC CONSOLIDATED INDUSTRIES...
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Table MD Blower Troubleshooting Page Table Legend for Figure 1-7, Process Flow Page Table Booster Compressor Troubleshooting Page Schematic for EDOCS-120 792641-001 Table Legend for Figure 1-8, Process Flow Page Table Electrical Troubleshooting Page Schematic for EDOCS-120 793035-001, 1-11 793090-001...
T.M. EDOCS SAFETY SUMMARY The following are general safety precautions that are not related to any specific procedure and therefore do not FINGER RINGS/JEWELRY appear elsewhere in this technical manual. These are general safety precautions and instructions that people Finger rings have caused many serious injuries. Remove must understand and apply during many phases of rings, watches and other metallic objects, which may operation and maintenance to ensure personal safety and...
T.M. EDOCS Oxygen systems must be properly cleaned and inspected, gas and result in a failure of the seals in the in accordance with Compressed Gas Association cylinder valves and possible ignition. pamphlet G-4.1; prior to use to insure that no combustible WARNING: Periodically check the surface materials remain in the connecting piping and fittings.
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T.M. EDOCS tools. Designate special tools, clean them and store them for Use With Oxygen Equipment Only. • Ensure that any components added to the regulator, e.g., gauge guards, are installed so that they do not block the regulator vent holes. •...
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PACIFIC CONSOLIDATED INDUSTRIES SANTA ANA, CALIFORNIA, USA PACIFIC CONSOLIDATED INDUSTRIES SANTA ANA, CALIFORNIA, USA CAGECODE 75906 EDOCS-120 ASSEMBLY FORK LIFT FRONT VIEW LEFT SIDE VIEW Figure 1-1 Expeditionary Deployable Oxygen Concentration System (EDOCS-120) PCI P/N 792641-001 (Original) PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS LIFTING RING FORK LIFT LIFTING RING FORK LIFT LIFTING RING LIFTING RING Figure 1-2 Expeditionary Deployable Oxygen Concentration System (EDOCS-120) PCI P/N - 793035-001 - NSN 6530-01-505-0526 793090-001 ,793295-001 viii PACIFIC CONSOLIDATED INDUSTRIES...
T.M. EDOCS SECTION I • An Expeditionary Deployable Oxygen Concentration System (EDOCS 120) module EQUIPMENT DESCRIPTION that generates the oxygen utilizing the Vacuum Swing Adsorber (VSA) technology. INTRODUCTION The EDOCS low pressure system supplies 120 lpm at 100 psi. The EDOCS high pressure The availability of medical oxygen on the battlefield is a system, in addition to supplying 120 lpm of prime factor in saving the lives of wounded personnel.
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T.M. EDOCS Figure 1-3 A Possible Hospital Layout PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS Figure 1-4 A Possible Hospital Layout 2 PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS END OF SECTION I – INTENTIONALLY LEFT BLANK PACIFIC CONSOLIDATED INDUSTRIES...
VSA Diagram that eliminates many of the design problems associated with PSA designs. The innovative Vacuum Swing Adsorber (VSA) System employed by PCI reduces the SYSTEM CONFIGURATION number of parts and the development of a patented The system configuration is comprised of four (4)
80 psi. When demand is reduced, the pressure supplied by EDOCS-120 CAPABILITIES the EDOCS will increase above 80 psig causing the regulator to close and the filling of cylinders will •...
(1) Unit can fill Mobil Oxygen Storage Tank (M.O.S.T) systems to 3000 psig @ 40 LPM rate (2) The 60 liters is supplied from the total 120 LPM and will reduce the capacity by half when filling cylinders Table 1-1 Production Capabilities of EDOCS-120 Commercial Unit...
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Booster Compressor Pressure Relief Valve QC-1 Oxygen Product Distribution Gas Quick Connect Port QC-2 Oxygen Product Distribution Gas Quick Connect Port QC-3 Booster Compressor Gas Distribution Quick Connect Port Table 1-3, Legend for Figure 1-7, Process Flow Schematic for EDOCS-120 PACIFIC CONSOLIDATED INDUSTRIES...
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Booster Compressor Pressure Relief Valve QC-1 Oxygen Product Distribution Gas Quick Connect Port QC-2 Oxygen Product Distribution Gas Quick Connect Port QC-3 Booster Compressor Gas Distribution Quick Connect Port Table 1-4, Legend for Figure 1-8, Process Flow Schematic for EDOCS-120 PACIFIC CONSOLIDATED INDUSTRIES...
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Booster Compressor Pressure Relief Valve QC-1 Oxygen Product Distribution Gas Quick Connect Port QC-2 Oxygen Product Distribution Gas Quick Connect Port QC-3 Booster Compressor Gas Distribution Quick Connect Port Table 1-5, Legend for Figure 1-9, Process Flow Schematic for EDOCS-120 PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS P/N 792641-001 OXYGEN BACK UP & CYLINDER CHARGING STATION P&ID SCHEMATIC NOMENCLATURE NOMENCLATURE PI-13 Cylinder Back Up Vacuum Low Pressure Oxygen Gas Compound Pressure Gage Product Quick Connect Port PRV-1 Oxygen Distribution Box Low Pressure Oxygen Gas Pressure Regulator Product Quick Connect Port PRV-3 Back Up Cylinder Oxygen Low High Pressure Oxygen Gas...
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T.M. EDOCS Figure 1-10 P/N 792641 Oxygen Back Up & Cylinder Charging Station PACIFIC CONSOLIDATED INDUSTRIES...
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Manifold Pressure Gage V-14 D & E Cylinder Charging PI-12 D & E Size Cylinder Fill Line Supply Shut Off Valve Manifold Pressure Gage Table 1-7, Legend for Figure 1-11, EDOCS-120, Oxygen Back Up & Cylinder Charging Station PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS Figure 1-11, EDOCS-120, Oxygen Back Up & Cylinder Charging Station P/N 793035-001 & 793090-001 PACIFIC CONSOLIDATED INDUSTRIES...
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Cylinder Pressure Gage PI-11 Back Up M Size Cylinder Manifold Pressure Gage PI-12 D & E Size Cylinder Fill Manifold Pressure Gage Table 1-8, Legend for Figure 1-12, USAF EDOCS-120, Oxygen Back Up & Cylinder Charging Station PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS Figure 1-12 USAF 3000 PSIG EDOCS-120, Oxygen Back Up & Cylinder Charging Station P/N 793295-001 PACIFIC CONSOLIDATED INDUSTRIES...
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Pressure Switch, Regulating, 2200 lbs. Hour Meter PSIL Pressure Switch, Low Inlet, 30 lbs. Overload Heater Table 1-9, Legend for Figure 1-13, Booster Compressor – Electrical Schematic MAIN ELECTRICAL CONTROL BOX SCHEMATIC EDOCS-120 P/N 792641-001 TAG NO. NOMENCLATURE TAG NO NOMENCLATURE AE-1...
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T.M. EDOCS BOOSTER COMPRESSOR P/N 793035-001 & 793295-001 TAG NO. NOMENCLATURE TAG NO. NOMENCLATURE Timer Delay Relay, ½ Second Motor, 1 ½ HP Timer, 30 Second Motor Starter START Pushbutton, Start Light, Run, Green Resistor, 50K Ohms Hands, Off Auto Switch Pressure Switch, Regulating, 2200# Hour Meter PSIL...
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T.M. EDOCS Figure 1-17 1 of 3 Main Electrical Control Box Schematic P/N 793035-001 & 793295-001 PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS Figure 1-17 2 of 3 Main Electrical Control Box Schematic P/N 793035-001 & 793295-001 PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS Figure 1-17 3 of 3 Main Electrical Control Box Schematic P/N 793035-001 & 793295-001 PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS Figure 1-18 3 of 3 Main Electrical Control Box Schematic P/N 793035-001 & 793295-001 PACIFIC CONSOLIDATED INDUSTRIES...
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T.M. EDOCS BOOSTER COMPRESSOR P/N 793090-001 TAG NO. NOMENCLATURE TAG NO. NOMENCLATURE Timer Delay Relay, ½ Second Motor, 1 ½ HP Timer, 30 Second Motor Starter START Pushbutton, Start Light, Run, Green Resistor, 50K Ohms Hands, Off Auto Switch Pressure Switch, Regulating, 2200# Hour Meter PSIL Pressure Switch, Low Inlet, 30#...
T.M. EDOCS SECTION II By pulling a vacuum the adsorbent is cleaned each cycle, FUNCTIONAL DESCRIPTION which allows operation in environments that would damage a PSA adsorbent bed. When the vacuum in the GENERAL adsorber is low enough, CV-2 opens to purge any remaining nitrogen from the bed.
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T.M. EDOCS sieve material in the adsorber selectively adsorbs (C-1) SCROLL COMPRESSOR nitrogen, water vapor, and CO2 while allowing oxygen and argon to pass through the bed. The compressor element consists of a fixed scroll-shaped The nitrogen that is collected during the positive pressure housing and a scroll-shaped rotor.
T.M. EDOCS PROGRAMMABLE LOGIC The oxygen sensor measures the percentage of oxygen in the sample and outputs the value as a voltage to the PLC CONTROLLER (PLC) analog input module (the voltage is exactly proportional to the percent of oxygen in the sample. This value is sent The programmable logic controller is a ladder to test connector on the control box through one channel logic device that has a program written to an...
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Grease per MIL-G-21164 W14420-050 Teflon Tape As Required Pipe Threads Table 2-1 Consumable Material TIME CHANGE COMPONENTS Table (2-2) lists the components in the EDOCS-120 that require changing on a set time intervals. PART NO DESCRIPTION REPLACEMENT PERIOD QUANTITY USAGE W49100-011...
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T.M. EDOCS SECTION III EQUIPMENT SETUP WARNING: Never activate the main power disconnect handle before connecting the SELECTING AND PREPARING THE electrical plug on the EDOCS unit to the source SITE power and ground. Doing so can cause arcing at the electrical outlet as the connection is being made, possibly resulting in ignition.
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T.M. EDOCS SECTION IV OPERATION the lines to the cylinders requiring a vacuum pulled prior to filling the cylinder with high- PRE-START CHECKS pressure oxygen gas. b. Turn "On" the Vacuum Compressor switch This chapter details the procedures for the normal use of the SW-1.
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T.M. EDOCS Remove the voltage supply (turn off) to the EDOCS from the generator or electrical distribution panel. Disconnect the power cable connected to the EDOCS. SUPPLYING LOW-PRESSURE OXYGEN TO THE HOSPITAL The Expeditionary Deployable Oxygen Concentration System (EDOCS) is an interface and backup device for supplying oxygen to the hospital or surgical suite.
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T.M. EDOCS 6. Leave recharging valve V-4 open throughout the WARNING: Never open vacuum valve V-6 when entire EDOCS operation unless the cylinders or the pressure in any cylinder is above 15-psi. If manifold requires maintenance or evacuation. the cylinders exceed 15-psi, an over pressurization to the vacuum circuit will occur TRANSFILLING HIGH-PRESSURE and personnel and equipment damage will result!
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T.M. EDOCS EVACUATING HIGH-PRESSURE WARNING: Serious or fatal injury may occur if "H", "D" AND "E" SIZE CYLINDERS cylinders are over pressurized. Determine USING THE EDOCS P/N 793035-001 the rating of all cylinders being charged before commencing charging operations. CAUTION: Never subject the vacuum pump to positive pressure.
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T.M. EDOCS cylinders to be transfilled. WARNING: Never open vacuum valve V-6 when Open the cylinder valve on the cylinders to be the pressure in any cylinder is above 15-psi. If transfilled. the cylinders exceed 15-psi, an over 4. Open slowly the manifold valves V-11, V-12, pressurization to the vacuum circuit will occur V-13 and V-14 that are connected to cylinders.
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T.M. EDOCS 6. Leave recharging valve V-4 open throughout the To evacuate the cylinders: entire EDOCS operation unless the cylinders or manifold requires maintenance or evacuation. 1. Vent to atmosphere all cylinders to be evacuated by slowly opening the vent valve V -5 on the 4-12 TRANSFILLING HIGH-PRESSURE cylinder fill station.
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T.M. EDOCS Verify that the cylinders to be recharged have been properly prepared i.e. have proper positive Close all valves that are connected to the transfilling station. Disconnect the cylinders and stow the pressure inside of cylinders or have been charging lines in the charging tubes.
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T.M. EDOCS SECTION V 5. Lift the rack off of the rear of the unit and set aside. EQUIPMENT BREAKDOWN FOR TRANSPORT 6. Close the individual "H" cylinder valves V-3A through V -3H. This chapter details the procedures necessary to 7.
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At a minimum, the following items should be available Clean moderate or lightly soiled parts by washing or flushing for performing service on oxygen equipment: with a suitable oxygen-compatible solvent. • PCI Tool Box P/N (582144-002) (Supplied With Each Unit) Rubber, neoprene, and some plastic CAUTION: •...
T.M. EDOCS Clean plastic, nonmetallic, anodized, or plated parts by 4. Disassemble the valve and inspect all parts for immersing them in Oakite No. 34 and rinsing with clean corrosion or other damage. Replace all worn, water. To ensure the cleanliness of parts used in oxygen deformed, or damaged parts.
T.M. EDOCS MOTORIZED VALVE CAUTION: Blower and fan operation is through a thermostat. When power is applied to oxygen Position of V-1 is controlled by the PLC monitoring two generator, the thermostat will start fans cam-following position switches mounted on the gear automatically.
T.M. EDOCS INPUT # 0 NOTE: Limit switch rollers must continue riding flat on PRESSURE cam surface. Twisting or excessive bending of a limit switch arm will not resolve operational problems! Slide tab to left to jog V-3 ASSEMBLY INPUT # 1 PRESSURE Figure 6-3, V-3 Contactors...
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T.M. EDOCS Frequency Task Daily Visual inspection for any unusual noises or vibrations. Check blower and valve drive units for any oil leakage. Any evidence of oil leakage from the blower or valve drive reducer may mean that a seal has failed, in which case, the unit 250 hours should be repaired or replaced as soon as possible.
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T.M. EDOCS SECTION VII parts are cleaned for Oxygen Service prior to BOOSTER COMPRESSOR installation. Any work to be done on the MAINTENANCE compressor where the gas stream may be exposed must be done in accordance with safe INTRODUCTION Oxygen Equipment handling procedures. No attempt should be made to work on the machine The purpose of this chapter is to provide the operator with without full knowledge of Oxygen equipment...
T.M. EDOCS 7-3 COMPRESSION VALVE INSPECTION NOTE: The test is simplified if the compressor is allowed to cool, then restarted, immediately prior to AND RECONDITIONING running the leak test, since the hot discharge pipes can boil away the leak test soap solution, Every 4000 hours the compressor valves should be making detection of leaks difficult or impossible.
T.M. EDOCS PREVENTATIVE MAINTENANCE TIME INTERVALS IN HOURS Table 7-1 Booster Compressor Maintenance 7-8 BEARING INSPECTION Every 2000 hours inspect the main ball bearings, connecting rod ball bearing, and connecting rod needle bearing to verify adequate lubrication and smooth rotation. If replacement is necessary, follow the procedures given in the Rix Manual Paragraphs 6-8 and 6-9.
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T.M. EDOCS SECTION VIII SCROLL COMPRESSOR MAINTENANCE 8-1 GREASING COMPRESSOR BEARING A. Remove the plastic dust cap. Use only one of two locations found on the air end (See Figure 8-1). B. Rotate the compressor pulley until the grease fitting is visible through the dust cap hole (See Figure 8-1).
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T.M. EDOCS 8-3 TIP SEAL SET REPLACEMENT Remove any dust from the scroll with a clean cloth and compressed air. The tip seal on the scroll compressor is self-lubricated and NOTE: Tips seals for the FS (Fixed Scroll) and OS allows the unit to operate efficiently without oil and (Orbit Scroll) have opposing seal cut angles.
T.M. EDOCS 8-6 MOVING AND TRANSPORT CAUTION: Insert approximately half of the LP tip INSTRUCTIONS seal and remove the tip seal to confirm that the notch in the tip seal has been achieved. This will If the EDOCS units are to be moved by crane or prevent movement during installation.
T.M. EDOCS SECTION IX TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION Unit starts up, but then shuts down. Customer power loss. Check main disconnect for blown fuses or tripped breaker Control cabinet disconnect in off Position handle in the on position. position. CR-124 overload tripped in control Push reset button on overload.
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T.M. EDOCS TROUBLESHOOTING (Continued) PROBLEM POSSIBLE CAUSE SOLUTION 4-way valve (V-3) not rotating and Diagnose motor/gearbox problem. Unit starts up, but then shuts down. stuck in pressure mode. Check for F-112 blown fuse. Reset CR-124 overload. M-100 motor shorted out. Replace motor.
T.M. EDOCS TROUBLESHOOTING (Continued) PROBLEM POSSIBLE CAUSE SOLUTION Blower drive belt slipping. Hearing the blower slow down at the end of the feed cycle indicates belt slippage. Adjust belt tension to eliminate slippage. Pressure gauge PI-1 reads low Pipe connection leakage. Check for loose hose pipe connections.
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T.M. EDOCS TROUBLESHOOTING (Continued) PROBLEM POSSIBLE CAUSE SOLUTION Knocking. Unit out of time. Re-time. Distortion due to improper mounting Check mounting alignment and relieve pipe strains. pipe strains. Reduce to manufacturer’s Excessive pressure differential. recommended pressure. Worn gears. Examine relief valve and reset if necessary.
T.M. EDOCS TROUBLESHOOTING (Continued) 9-3 BOOSTER COMPRESSOR PROBLEM ACTION POSSIBLE CAUSE SOLUTION High pressure on Continue running Defective suction Remove, clean, 1st Stage. and monitor or discharge valve in repair or replace pressures. the next higher stage. suspect valves as necessary.
T.M. EDOCS ELECTRICAL TROUBLESHOOTING FLOWCHART START-UP Start Turn System on switch Check power supply Check input fuses Check power Check the from mains input on Check internal Check output of supply to blower Has blower direction of terminals L1, L2 ,L3. Fuses F1 &...
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T.M. EDOCS PRESSURE From "Purity" System has been running for at least 1 hour from start up Pressures on PI 8 are out of range 8 to 10 psig on pressure and 15 to 17 inches on vacuum. Check the drive belts on the main blower.
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T.M. EDOCS CYLINDER FILL PACIFIC CONSOLIDATED INDUSTRIES...
T.M. EDOCS FORMULA CONVERSION Weight of Liquid or Gas Volume of Liquid at Boiling Point Volume of Gas at 21° C (70° F) U.S. Unit EU Unit U.S. Unit EU Unit U.S. Unit EU Unit Pound Kilograms Gallons Liters Gallons Cubic Ft.
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