service manual twin model rp050bmst
Contents
1. IVAOWZH JDQIHLHVO HSAH4 NOILVHLNJONOJ 2QIXONOW SA HIV TIS 0S0dH 13 SJLLSIHILOVHVHO JONVWHO4AHAd 00 51 091 NOIL HLN2ONOQ JQIXONOW L3TNI 19 RESPIRATORY PROTECTOR MODEL RP050BMST S1 2 PARTS 1 80347 1 3 4 BALL VALVE 2 5608 009 2 3 4 HEX NIPPLE 3 80104 1 PREFILTER 100 SCFM 4 80051 5 TUBE LOCKING COLLAR 5 S710 005 1 DRAIN TUBE 6 80067 1 3 4 BR TEE 7 5603 038 4 3 4 8 BR NIPPLE 8 623 005 4 3 4 x 90 ST ELBOW 9 80068 4 3 4 x 1 2 BELL RED 10 S608 006 4 3 8 x 1 2 HEX NIPPLE 11 80078 2 BLUE MANIFOLD 12 80009 2 MANIFOLD BRACKET 13 S006 148 6 BRACKET BOLTS 14 S011 040 10 MANIFOLD BOLTS 15 12021 10 MANIFOLD WASHERS 16 80001 2 BLUE BASE 17 80005 2 AL TUBE 38 STAGE 18 80005 2 AL TUBE 4 STAGE 19 80114 2 BASE BRACKET 20 5 603 025 2 3 8 x 2 BR NIPPLE 21 wm 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 80484 2 3 8 BR UNION 80483 1 3 4 BR CROSS 5638 016 1 3 4 x 1 4 RED BUSHING S608 003 1 1 4 HEX NIPPLE 80014 1 150 PSI PR VALVE 80235 1 1 4 BRASS TEE 80533 1 REGULATOR 80091 1 PRESSURE GAUGE 0 160 608 003 1 1 4 HEX NIPPLE S608 002 1 1 4 x 1 8 HEX NIPPLE 623 001 1 1 8 90 ST ELBOW 80213 1 SAMPLE AIR FLOW M2. Save Your Breath With MODERN SAFETY TECHNIQUES 11388 Braininger Rd Phone 800 542 6646 BT 888 mad a f Hicksville 43526 9 542 6545 Wobsite www modanfe com Fax 419 542 6478 Email modsafetthright net SERVICE MANUAL TWIN MODEL 050 5 51 2 RESPIRATORY PROTECTOR ekle eleke ek I I I kek keke kek ek e eee ie ek e WARNING Do not attempt to operate this equipment without first reading and understanding these operating instructions Suitability for use of this device lies solely with user e kok ek ER R KKK 10 01 2 CONTENTS SPECIFICATION SS 200 ns uk Gee keke aie eek eee ees 3 GENERAL SAPETY WARNINGS die Kai Se eeu Sos Pah Beenie ne bi Ke al 4 GENERAL PURIFICATION SYSTEM DESCRIPTION 5 GENERAL OPERATIONS INTRODUCTION e b a Pa A 8 CUSTOMER AUR SUPPE ii x k Wana Seno Sk ee RRO eae SS 8 MST RESPIRATORY PROTECTOR INITIAL INSTALLATION AND START UP 9 MST RESPIRATORY PROTECTOR GENERAL OPERATION AND MAINTENANCE 11 FILTER SET SERVICE INSTRUCTIONS sid b L Di ip o sand N 12 RECORD G ekan a 15 PERFORMANCE CURVES siyan Oa ea ee ae ee eh es 17 PAR
3. Fourth Stage Filter Cartridge 15 and Cap Gasket 12 from the Fourth Stage Aluminum Tube 17 Clean the Aluminum Tube in mild soap and water and wipe dry Refill the Fourth Stage Aluminum Tube 17 by sliding the Fourth Stage Filter Cartridge 15 into the Aluminum Tube from the top Make sure that the flow direction arrow on the new Fourth Stage Filter Cartridge is pointing up for proper operation Remove 14 Sealing Label and install new 12 Cap Gasket on the bottom of the Fourth Stage Aluminum filter tube Assembly Slide the new Fourth Stage Aluminum filter tube Assembly in the Air Scrubber on the outlet side Tighten Manifold Bolts 10 in sequence from center outward to 100 inch pounds Repeat Sequence and torque bolts to 250 inch pounds Recheck for proper torque limit Tighten Screw 8 on Bracket 9 to prevent any damage from occurring when transporting the Respiratory Protector NOTE Dispose of used filter cartridges in landfill according to local state and federal regulations TORQUE SEQUENCE 14 5 5 a lt fa lt nN gt pm A lt m gt FOURTH STAGE ALUMINUM TUBE ASSEMBLY FIGURE NO 4 15 3 Final Check and Calibration a Pressurize system and check for leaks Re tighten necessary parts to stop any leakage b Flush system with compressed air for five 5 minutes c Calibrate the Carbon Monoxide Monitor as outlined in the Monitor s i
4. has coarse oil water extractors available as an option 5 AVOID INSTALLING MST UNIT AFTER DESICCANT DRYER The Desiccant Dryer will produce extremely dry air 4 R H or less and MST s fourth stage catalyst requires 30 100 R H in the supplied air for the catalyst to work and remove Carbon Monoxide efficiently The extremely dry air produced by a Desiccant Dryer will also cause worker discomfort i e dry throat etc 1 2 3 4 5 6 7 8 9 9 MST RESPIRATORY PROTECTOR INITIAL INSTALLATION AND START UP Refer To Figure No 3 CONNECT CUSTOMER S PIPE HOSE MST UNIT Be sure a minimum 3 4 I D pipe or hose is used Purge new air line prior to connecting to MST Unit NEW FILTER SYSTEM CONDITIONING Flow supplied air through new filter sets for several minutes to condition REMOTE AUDIBLE ALARM Is supplied with unit Plug into left side of monitor at the REMOTE ALARM jack It is supplied with a 20 Ft cord and produces 119 db The monitor itself has a 85 db built in audible alarm as well as a visual RED LED light that will be energized along with the Remote Alarm when the 10 ppm CO level lower in Canada has been reached POWER MONITOR CALIBRATE Supply a dedicated 120 VAC switched outlet for the 120 VAC Adapter that comes with unit adapter will convert the 120 VAC to a9 VDC output See MST MONITOR MANUAL Accessories section forfurther details Plug the 120 VAC Adapter cord into the
5. remove respirator or activate SCBA and immediately move to safe breathable atmosphere Have the proper qualified personnel examine the equipment and make the appropriate corrections before using again SHOULD NOT have air inlet pressure greater than 150 PSIG static 10 4 bar Personal injury could result PURIFIED AIR provided at the point of attachment for the Manufactures Respirator Hose should be regulated and not exceeding the Manufacturers Respirator Hose Assembly pressure requirements 5 GENERAL PURIFICATION SYSTEM DESCRIPTION The MST Respiratory Protector a compressed breathing air purifier is a system designed to remove or reduce selected contaminates including Carbon Monoxide that is found in standard compressed air lines The Respiratory Protector gives you the advantage of connecting directly to shop air from a standard compressed air source to help provide breathing quality air to face masks helmets hoods and other supplied air breathing devices This eliminates the necessity of providing a separate breathing air compressor or air supply to your workers The Respiratory Protector has a four stage filtration system and a Carbon Monoxide Monitor that is mounted on a convenient mounting board that allows the unit to be mounted on any available surface SYSTEM DESCRIPTION Refer to Figure No 1 amp 2 Air entering the Respiratory Protector Filtration System at the inlet A is usually contaminated with oil wate
6. right side of monitor at jack located below the monitor s battery compartments Two 9 volt batteries are supplied with unit and can be installed in monitor to provide a back up power source if the main 120 VAC power source fails or is shut off by mistake The batteries will power monitor continually for 30 35 hours After connecting monitor to power source turn on and leave warm up for 5 minutes Now check monitor s circuits audible visual alarm system by pressing OFF ON TEST switch up and hold If monitor OK the following will occur A Red Amber LED will come on steady B Green LED will blink then come on steady C Audible alarm will sound and the remote alarm jack will be energized Monitor s calibration should be checked now Refer to MST MONITOR MANUAL CALIBRATION GAS REQUIREMENTS Zero Gas Nitrogen free of Span Gas 50 to 150 ppm of CO concentration in air Calibration gas flow to monitor should be 0 5 to 1 5 SCFH approx 472 cc min REGULATOR SAMPLE AIR FLOW METER Needs to be set so proper air sample flow will be metered to the monitor The regulator needs to be adjusted up to a maximum 100 PSIG and the air flow meter ball set between 0 5 1 5 SCFH or in the green boxed area depending on style of scale meter has EXTREME TEMPERATURE CHANGES Avoid MST s monitor best performs at a temperature range of 0 105 F 17 to 40 C Always calibrate monitor after it has stabilized in the surroundin
7. ETER 80261 1 TUBE LOCK COLLAR x 90 80208 B 1 MONITOR SAMPLE TUBE 80127 1 MST MONITOR 80247 1 120 VAC ADAPTER 8008403 1 REMOTE ALARM 80257 1 1 2 THK x 24 x 48 MNTING BD See following page Figure No 5 for detailed drawing 20 MODEL RP050BMST S1 2 RESPIRATORY FIGURE NO 5
8. FLIST ewr ASE ee eae OE Sah ae ee re a 19 MATERIAL SAFETY DATA SHEETS CHARCOAL THIRDS TAGE iii k cane oie uw an Gare a 25 CATALYST POURTH STAGE a k a e a adek nee 21 3 SPECIFICATIONS RESPIRATORY PROTECTOR RPOSOBMST S1 2 INLET PRESSURE Max RATED AIR FLOW Max OPERATING PRESSURE OUTLET PRESSURE RANGE OPERATING TEMP RANGE OPERATING RELATIVE HUMIDITY INLET AIR OUTSIDE DIMENSIONS WEIGHT INCLUDING MONITOR REPLACEMENT FILTER SET 150 PSIG STATIC 10 4 bar 100 SCFM 47 2 L s 100 PSIG DYNAMIC 6 9 bar 0 125 PSIG 0 8 6 bar 68 150 F 20 65 C COMPRESSED AIR TEMP 0 105 F 17 40 AMBIENT AIR TEMP 30 100 RH 48 L x 24 W x 5 75 D 1219mm x 610mm x 146mm 53 LBS 24 1 kg FX050 2 4 GENERAL SAFETY WARNINGS WARNING THE MST RESPIRATORY PROTECTOR MODELS 1 2 3 4 5 SHOULD NOT be used when the air entering the filtering system is oxygen deficient The MST Respiratory Protector will not increase the oxygen content of the air SHOULD NOT be used in Immediately Dangerous to Life and Health Atmosphere IDLH unless it is used in conjunction with a Back Up Escape system or a supplied air Self Contained Breathing Apparatus SCBA where applicable CARBON MONOXIDE MONITOR will alarm if Carbon Monoxide levels exceed requirements for Grade D Breathing Air set fourth by OSHA CSA If alarm should sound
9. NOTE If the supplied air entering MST s unit has high volumes of liquids in it the filter st lie may be greatly reduced See CUSTOMER AIR SUPPLY page 8 for corrective measures to take 6 MST RESPIRATORY PROTECTOR SYSTEM New filter set a Has no shelf life but should be stored in a cool dry storage area 12 b When first installed in MST s unit the filters should conditioned by flowing the customer s supplied air through system for several minutes NOTE If MST s unit is not to be used for an extended period of time before storing check 3rd and 4th stage filters for presence of liquid moisture If moisture present dry system and replace all filters Also if moisture present consider changing filter set more frequent and or installing MST s OPTIONAL PREFILTER prior to MST s system hook up FILTER SET SERVICE INSTRUCTIONS Refer To Figure No 4 eee mek E ERROR WARNING Always turn off air supply and bleed air pressure before disassembling unit or serious injury could result Heke keke ek Hek eke Heke oft Heke oft af fe oe oft af oft eke oye ae ek oe ok oe ok oie ok ok ok ok ok MST Inc recommends replacing all five 5 filter cartridges after one month s use unless conditions watrant more or less frequent replacement Conditi
10. TYLE SUPPLIED FIGURE NO 3 1 2 4 5 11 MST RESPIRATORY PROTECTOR GENERAL OPERATION AND MAINTENANCE MST MONITOR Utilizes an electrochemical sensor to measure the carbon monoxide content of the respirable air If a problem has developed in the system the monitor will alarm due to one or more of the following conditions a Monitor is out of calibration The monitor should be calibrated monthly if used continuously and prior to use if used on a non continuous basis Calibrate monitor as outlined in the MST MONITOR MANUAL b If the monitor can be and is calibrated but the alarm still sounds the filter cartridge life is exhausted Replace all three 3 filter cartridges as outlined in the FILTER REPLACEMENT INSTRUCTIONS page 12 c Ifthe monitor can not be calibrated the carbon monoxide sensor may require replacement See MST MONITOR MANUAL for replacement instructions and other troubleshooting information The MST MONITOR has one 1 year warranty All warranty work must be performed at factory d If the monitor was calibrated in a surrounding temperature other than where the system was being used and the temperature difference was 36 F 20 C or greater the monitor may give a false alarm due to its characteristics Always calibrate the monitor in the temperature conditions where the monitor is to be used in Monitor best performs at temperature range of 0 to 105 F 17 to 40 C e RF si
11. g air temperature where system is to be used RESPIRATOR HOOD HOSE ASSEMBLY HOOK UP Consult Manufacturer s respirator manual for the proper air pressure requirements and set regulator s at point of attachment MST Unit outlet or remote regulated drops The air should be dynamically flowing through respirator hose assemblies when the air pressure is set DO EXCEED RESPIRATOR HOSE ASSEMBLY MANUFACTURER S PRESSURE REQUIREMENTS OR PERSONAL INJURY COULD RESULT RF SIGNALS May be picked up by the Remote Alarm cord like an antenna and create interference with monitor s operation Shielding of this may be required to reflect these signals For further detail contact factory 10 MODEL RP050BMST S1 2 RESPIRATORY TEMP 68 F 20 C NORMAL INCOMING BELOW 50 PPM TOTAL SOLIDS PLUS LIQUIDS TEMP 68 F 20 C HIGH INCOMING LIQUIDS AEROSOL CONTENT CONDITIONED COMPRESSED INSTRUMENT GRADE 4 R H OR LESS MST OPTIONAL PREFILTER 8010401 MONITOR AIR 30 1009 120 VAC ADAPTER 30 100 R IL CONNECTED TO A DEDICATED SWITCHED OUTLET NOTE 12 VDC E REMOTE ALARM OUTBUT 119 db SUPPLIED WITH 20 CORD DESICCANT DRYER MINIMUM 3 4 LD SUPPLIED AIR LINE DETACH MONTTOR S AIR SAMPLE TUBE HERE FOR CALIBRATION 3 4 FPT OUTLET BALL VAVLE 3 4 PT INLET GREEN BOXED AREA DEPENDING ON METER S
12. gnals causing interference to monitor through Remote Alarm Options and or Optional Power Adapter cords Contact factory if this is occurring MST MONITOR Alarms should be checked prior to use MST MONITOR Power supply is 2 9 volt transistor type batteries unless optional power supply used The batteries will power the monitor continuously for approximately 30 35 hours When the batteries output fall below 7 3 volts the Amber LED Low Battery light will come on indicating the batteries require replacement When installing the new batteries into the battery holders review polarity position marked inside holders and install batteries accordingly MST MONITOR Flow of the air sample to monitor should be checked periodically to ensure sample air flow meter is not clogged This situation normally occurs when customers supplied air has excessive liquids in it and the filters in the MST unit are not routinely changed Periodically check the regulator air flow meter for proper setting location of air flow meter floating ball and general appearance presence of excessive oil water MST RESPIRATORY PROTECTOR SYSTEM Filters should be replaced monthly unless the air quality conditions warrant more or less frequent replacement Replace all 5 filter cartridges if a The CO monitor alarms fourth stage catalyst is used up b The operator detects a petroleum smell and or taste in his purified air third stage charcoal is used up
13. nstruction manual RECORD KEEPING Record all periodical air quality checks monitor calibration dates filter cartridge change intervals and any other service performed on the Model RPOSOBMST S1 2 Respiratory Protector MST Inc Shall not be liable for any injury loss or damage direct or consequential arising out of the use of or the inability to use this product beyond the replacement of defective materials or workmanship Users of supplied air respirators should evaluate their own particular application and perform their own tests for air quality to determine the suitability for use of this product For further information or questions about service or maintenance care of this unit contact your local distributor or MST Inc At 800 542 6646 16 MST INC SERVICE RECORD RESPIRATORY PROTECTOR MODEL RP050BMST S1 2 DATE OF SERVICE SERVICE PERFORMED 17 001 08 1495 MOTA 09 OF 0Z doua 55 SA HIV TIS 0SOdH TAQOW SJULLSIHILOVHVHO JONVWHO4HHId 55 18 17 OO NOITIIW Had SLHVd 1205 HIV 001 08 09 OF JONVWHOJ4HAA Wdd 0 09 Wdd 0 MO138 SNOILVINDAH Yad DNIHLVAHA 303 3375 3QIXONOW 09 01 3AO8V NOILVIND3H DNIHLVAHA 339 JON 3GIXONON NOgHVO
14. oning equipment prior to the filtration system will increase the required service intervals when only low levels below 25 ppm CO of carbon monoxide are present To refill or replace the filter cartridges in the respiratory Protector Model RPOSOBMST S 1 2 follow these steps refer to Figure No 4 1 8009001 Prefilter Combined First and Second Stages a b Remove plastic Drain Tube 1 by pulling down on the Retaining Collar of Fitting 2 to release Drain Tube Unscrew Prefilter Bowl Assembly 3 from Manifold 5 and clean Bowl Assembly in mild soap and water blowing dry with low pressure compressed air Remove Two Stage Prefilter Element 6 by unscrewing End Cap Retaining Nut 4 and pulling Prefilter Element down over center rod of Manifold Discard clogged Prefilter Element Inspect Manifold 5 for dirt and contaminates clean as required and inspect O Ring 7 located inside Manifold for any cuts or cracks Replace O Ring if required to prevent air leakage Install new Two Stage Prefilter Element 6 by sliding new Element over center rod on Manifold so that rod protrudes from end of Element and Element is squarely seated against Manifold with rod centered in Element Screw End Cap Retaining Nut 4 onto threaded portion of rod until End Cap Retaining Nut is seated properly against end of Prefilter Element and Element has come solidly against shoulder in Manifold Apply a light film of petroleum jelly on beveled edge of P
15. r dirt rust scale and often deadly Carbon Monoxide gas As the air passes through the First Stage of the MST Prefilter particulate matter is trapped and retained The air then enters the Second Stage C of the Prefilter which coalesces liquid contaminates down to seventy five hundredths 0 75 of a micron in size 0 3 micron for particulate matter with an efficiency rating of 99 97 meets Underwriters Laboratories Specification UL 586 for High Efficiency Particulate Air Filter Units The liquid contaminates are trapped in the lower chamber of the prefilter and expelled out of the unit by the Auto Drain The air entering the Air Scrubber Inlets is 99 97 free of liquid water and contaminants down to 0 3 micron in size The Third Stage D of the Air Scrubber contains an odor absorbing activated charcoal which also collects various gaseous Hydrocarbons such as oil fumes benzene etc The Fourth Stage E of the Air Scrubber contains a low temperature catalyst which converts Carbon Monoxide gas into Carbon Dioxide The unique catalyst also converts or absorbs Ozone Nitric Oxide Sulfur Dioxide Nitrogen Dioxide Hydrogen Sulfide Ammonia Acetaldehyde Methyl Chloride Methyl Ethyl Ketone Acetone and Methyl Alcohol Finally the air passes through a one 1 micron Filtration Disk at F A sample of the filtered air is taken at G and passed through the Carbon Monoxide Monitor The Carbon Monoxide Monitor continuously checks the air qualit
16. refilter Bowl Assembly 3 and screw bowl Assembly into Manifold 5 until tight NOTE Be sure O Ring is properly seated in Manifold to prevent cutting O Ring HAND TIGHTEN ONLY Re attach Drain Tube 1 by sliding Drain Tube into end of Fitting 2 and pushing Retaining collar up to lock Drain Tube in place Be sure to slide outside diameter of Drain Tube completely into inside diameter of Fitting or Retaining collar will not lock 13 Drain Tube into place properly 2 8007803 Air Scrubber Third and Fourth Stages a b e 8 Screw from 9 Bracket Loosen five Manifold Bolts 10 enough to allow the Third and Fourth Stage Filter Tube Assemblies to move freely Remove the two front Bolts 10 with Washers 11 Slide out old Third And Fourth Stage Filter Tube Assemblies Remove old Third Stage Filter Cartridge 13 and Cap Gasket 12 from the Third Stage Aluminum Tube 16 Clean the Aluminum Tube in mild soap and water and wipe dry Refill the Third Stage Aluminum Tube 16 by sliding the new Third Stage Filter Cartridge 13 into the Aluminum Tube from the bottom Make sure that the flow direction arrow on the new Third Stage Filter Cartridge is pointing down for proper operation Remove 14 Sealing Label and install new 12 Cap Gasket on the _top of the Third Stage Aluminum Filter Tube Assembly Slide the new Third Stage Aluminum Filter Tube Assembly in the Air Scrubber on the inlet side Remove old
17. ty program be instated to ensure that the respiratory air is in compliance with all OSHA CSA standards and other applicable laws regulating the use of supplied air respiratory systems MST Inc recommends that the air quality be tested upon installation and periodically re tested to ensure that the minimum requirements for breathing air are maintained MST Inc will not assume any liability for accidents or personal injury resulting from the improper use of this equipment Service on this equipment should only be performed by qualified personnel This system is to be used only by trained qualified personnel in accordance with a respiratory program as outlined in OSHA Regulation 29 CFR 1910 134 b CUSTOMER AIR SUPPLY Refer To Figure No 3 1 SUPPLIED AIR LINE Use minimum 3 4 I D hose or pipe to MST Unit 2 SUPPLIED AIR LINE PRESSURE Maximum air pressure at MST Unit s inlet should not exceed 150 PSIG As a Safety Back Up all MST Units incorporate a pressure relief valve rated at 150 PSIG 3 SUPPLIED INLET AIR TEMPERATURE RANGE 68 to 150 F 20 65 C 4 SUPPLIED AIR CONDITIONING May be required ahead of MST s Unit to control a Inlet air temperature b Large Volumes of oil water from entering MST Unit A coarse oil water extractor rated at 2 microns abs may be required if excessive oil water conditions are present Installation of the extractor should be located as close to MST Unit s inlet hook up as possible MST Inc
18. y per OSHA CSA requirements for Carbon Monoxide and digitally displays the amount present An audible alarm will alert operators if any dangerous levels of Carbon Monoxide exist MODEL RP050BMST S1 2 OPERATIONAL DIAGRAM CARBON MONOXIDE MONITOR m A AIR PURIFIED AUTO DRAIN FIGURE NO 1 7 MODEL RP050BMST S1 2 RESPIRATORY PROTECTOR REMOTE ALARM 119 db 20 FT CORD DIGITAL DISPLAY 120 VAC ADAPTER CONNECTED TO A DEDICATED SWITCHED OUTLET NOTE 12 VDC OUTPUT SAMPLE TUBE 3 4 FPT INLET BALL VALVE 3 4 FPT OUTLET CLOSE AND BLEED LINE DOWNSTREAM WHEN REPLACING FILTER ELEMENTS 46 150 PST SAFETY 1 TYP 22 MOUNTING BOARD 1 2 THK x 24 x 48 FIGURE NO 2 8 GENERAL OPERATIONS E E R R R R R R R R R R R R R RR RR K K Kk KK WARNING The MST Respiratory Protector should not 1 be used when the air entering MST s Unit is oxygen deficient MST s Unit will not increase the oxygen content of the oxygen deficient air 2 be used an Immediately Dangerous to Life and Health atmosphere IDLH unless it is used in conjunction with a back up escape system or a supplied air self contained breathing apparatus SCBA where applicable R R R R E R R R E K K K KK KK MST Inc strongly recommends that a complete safe
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