to see the Installation/Service Manual for all Air Toilets
Contents
1. 19 5 TAR 6 25 T i F 15 z 42 5 7 TOILET DISCHARGE 1 7 8 1 D RUBBER HOSE CONNECTION FOR 1 1 2 PIPE SIZE IPS Rear Discharge 3 3 Radius VAN ay Z AN LC 19 5 TOILET DISCHARGE NG 1 1 2 SLIP HUB 65 PIPE SIZE IPS g THESE PARTS SHIPPED UNASSEMBLED WITH TOILET TOILET DISCHARGE ao 1 1 2 SLIP HUB l PIPE SIZE IPS 9 29 Integ ral Flush Integral Check Valve No Vacuum Breaker Check Local Code for Approval BLEED OFF AIR CONNECTION ASSEMBLY AT FITTING lt FLUSH ACTIVATOR AIRWATER P oea epe 1 2 WATER SUPPLY SEQUENCE VALVE CONNECTION O Remote Flush Rough In 8 4 enoe ae Remote Customer Air 3 25 A Top View fo Assembly Flush Supply Connectjon Bleed Off Activator Assembly ae ae Install the Flush Assy 9 6 with the base of the Por i Vacuum Breaker Il 6 minimum above Suomen Wae ii the rim of the toilet TI 1 Dia Hole Required Supply Connection TD The air and water Thru Wall 38 min 75 max 9 4 Hose Barb ines are preanstalied l l Optional Wall Box Kit P N 91870 on the Remote i Flush Assy THE MAXIMUM WATER LINE DISTANCE BETWEEN THE TOILET AND THE REMOTE FLUSH ASSY IS SIX 6 FEET Gfc 219 Spec Marine Head Manual P N 24533 16 June 25 2002 Terms amp Conditions here Marine Head Manual P N 24533 17 June 25 20022. Microphor A Wabtec company Microfiush Half Gallon Toilets Marine Heads Air Operat Model LF 219 Model LF 310 Model LF 320 Installation Service Manual P N 24533 452 East Hill Road Fax 707 459 6617 Willits CA 95490 USA E mail info microphor com Phone 707 459 5563 www microphor com 24533 WPD Toll Free 1 800 358 8280 www wabtec com 10 19 01 THANK YOU FOR PURCHASING A MICROPHOR PRODUCT Your Microflush Marine Head is designed to provide you with years of reliable service while using only two quarts of salt or fresh water per flush Please read this Owner s Manual completely prior to installation of your Microflush Marine Head This will familiarize you with all of the proper installation and operation requirements CUSTOMER SERVICE Please contact your local Microphor dealer for parts and service For a list of dealers please contact Microphor at the addresses listed on the cover of this manual AIR SYSTEM Filter regulators are available in a variety of sizes and types Their purpose is to remove water oil and other foreign matter from the air line and to maintain a constant pressure at the toilet of 60 65 PSI The following steps must be observed to assure moisture will be removed from the airline 1 Drain air compressor receiver regularly Most water tends to accumulate at this point 2 Install drip legs with condensate drains at all low points in air piping 3 Whenever possible grade all a
3. SERVICE KITS 5 95122 Positive sh Daten Vae 8 90070 Hopper Conversion Kit Rear Lo 90071 Hopper Conversion Kit Bonom Marine Head Manual P N 24533 11 File Airlin5 June 25 2002 HOPPER REPLACEMENT Model LF 210 and LF 219 Models Only CAUTION Read this entire procedure before beginning work 1 Remove toilet from floor Place toilet upside down on a sheet of cardboard or other padded material 2 Remove nuts from J bolts on either side of hopper lift hopper from bowl 3 Remove o ring between hopper and seal adaptor Check that o ring is not damaged replace if necessary 4 Re assemble in reverse order MAKE SURE J BOLTS ARE TIGHT Proper torque specification is 4 6 inch Ibs CHINA HOPPER HORN 45 J BOLT ASSEMBLY P N 90899 5 SEALING ADAPTOR Glued to China Horn O RING P N 27282 Note The air cylinder on the hopper sub assembly should be cleaned lubricated and checked for adjustment whenever the toilet assembly is removed for servicing TANK ISOLATION VALVE INSTALLATION Not supplied with toilet Note Check valve halves for tightness before installing Rear Discharge with LF 219 Downward Hose Install Tank Isolation Valve Assembly in line at the end of the discharge hose using a 1 1 2 long pipe nipple Rear Discharge Glue tank isolation valve assembly to hopper at point indicated Bottom Discharge No Flange Glue Tank Isolation Valve Assembly directly to hopper di
4. activate Positive CLEANING BLEED OFF PLUG ASSEMBLY Standard Flush Remove plug and clean with solvent air blow dry Positive Flush Remove plug and clean with solvent air blow dry remove and clean plug on Detent Valve Note Use 5 32 or 4mm Allen wrench to remove plugs Bleed Off Flug Assembly Bleed Off Plug Detent Valve Fositive Flush Grfc Timing Note Bleed Off Plugs on Air amp Water Sequence Valves and Detent Valves are different sizes that are not interchangeable MAINTENANCE CLEANING CLEARING WINTERIZING ROUTINE MAINTENANCE 5 June 25 2002 Your Microflush Marine CLEARING YOUR MICROFLUSH HEAD Head has an air operated USAGE LUBRICATE If your Microflush Marine Head becomes plugged Air Water Sequence Light Every 5 years shut off the water supply press the flush handle and Valve which requires Medium Every 2 3 years hold The flapper will remain open until flush periodic lubrication with Heavy Every year handle is released Check to see if the restriction a silicone based can be removed from lower portion of Microflush lubricant Check your Marine Head with a hooked wire being careful not application at right to to damage the rubber seal on the flapper or the determine how often to mating surface on the hopper If obstruction cannot lubricate your Air Water Sequence Valve The Air be picked out with a hook or tongs use plunger by Cylinder should be serviced if you have to take up pushing
5. Bleed Off Plug 94598 30382 3 94598 Assembly Valve Bracket 91897 integral 91866 integral Not applicable 20003 remote 20003 remote 20003 remote Hopper 90016 3 rear 90016 3 rear 90039 3 rear 90008 downward conversion kit 95157 downward hose 40050 3 Tank isolation valve H I 40050 3 tank isolation valve 27282 Hopper Adaptor O ring P Trap Rear 96029 Discharge Hopper 90899 5 00006 4 each and 00106 4 each Mounting Assy Hopper Bleed 37548 Valve 00064 14 each 94540 Flapper Assy 90048 Crank Assy 90042 Spud Assy 96347 95155 96579 Water Supply 96012 integral 35484 integral 96002 Tube 35053 remote 35484 remote 96387 N A integral 96515 33352 remote Hopper Screws 00064 10 each Air Cylinder N 96008 Water 33352 Connection T U Air Fittings Air Tubing ft 30385 90 Elbow 30365 Straight green 35381 blue 35382 red 35383 yellow 35384 white 35385 black 35419 21212 27270 93086 N A 37518 lt RAN ef wlelsfolzie ef wt Hopper Gasket W Air Supply Kit X Pressure Relief Valve Marine Head Manual P N 24533 10 June 25 2002 COLOR CHART AIR LINE CONNECTIONS SERVICE KITS VITREOUS CHINA COLOR CHART Shell amp Lid Shell amp Lid Onl Shell Shell White 44032 44010 09064 44133 sisi AIR LINE CONNECTIONS il Sequence Valve To Blue P N 35382 Flush Activator back fitting Yellow P N 35384
6. Seq Valve Vacuum Breaker Bleed Off Assembly Valve Bracket Hopper P Trap Rear Discharge Hopper Mounting Assembly Marine Bleed Valve Hopper Screws Air Cylinder Flapper Assembly Crank Assembly Spud Assembly Water Supply Tube Water Connection See chart on next page See chart on next page Hopper Gasket Air Supply Kit Pressure Relief Valve MOA SY Tr QT yN z AOVOAZ XS CHD File Hop 2 Marine Head Manual P N 24533 June 25 2002 Marine Head Manual P N 24533 9 June 25 2002 PARTS CHART E MODEL LF 210 China LF 210 China LF 219 China Round LF 310 SS LF 320 SS PART Round Elongated Integral amp Remote Round Round A Toilet Shell 44032 white 44010 white 44151 integral white 93082 shell 93008 shell colors see colors see 44133 remote white 93084 top shroud colors see chart chart colors see chart 93085 bottom chart shroud colors see chart Toilet Lid 99064 white Not applicable 99073 bolt down white colors see chart C Closet Screws 93972 white Not applicable amp Bolt Caps colors see chart Flush Activator 95002 standard 40046 5 40049 5 int wht 95561 standard 95031 standard 95054 positive 40046 9 40049 9 int blk 40046 7 40049 7 int bone 95151 remote E Air Water 39501 no fittings Sequence Valve F Vacuum 33559 integral 33421 check valve 96539 integral 33039 remote Breaker 33039 remote 33039 remote G
7. drain after shutting down air compressor 3 Turn the water ON and flush twice to rinse and isolating airlines Use of Anti freeze is not thoroughly recommended NOTE LF 310 or LF 320 Stainless Heads may be PATENTS subject to surface rusting especially if salt water 1s Microflush Toilets are covered by one or more of used for flushing and if bleach or a corrosive product the following U S patents 5245710 4918764 or cleaner is left standing in or on the bowl The salt 1280554 169471 and related foreign patents water will enhance the oxidation qualities of the bleach or product containing bleach If it sits on the stainless and the surface remains damp the chrome and nickel will etch out of the stainless leaving ferrite iron which will rust If bleach or any cleaner is used it must be well rinsed not left standing soaking in the bowl or on the toilet especially in toilets using salt water use any Locktite brand adhesives on any plastic or Delrin components as fumes will cause damage use Teflon tape on any air fittings as clogging may occur WARNINGS Do not use any petroleum based lubricants Vaseline on any rubber parts or o rings as damage will occur Use only silicone based lubricants DESIGN CHANGES Continuing a policy of research and development Microphor reserves the right of price product or design change without notice or obligation Marine Head Manual P N 24533 6 June 25 2002 TROUBLESH
8. number of 45 or 90 fittings Do not install loops on end of vent For holding tank installations consider installing a power fan sized so that a volume of air equal to the empty tank volume is exchanged every 30 to 60 seconds The negative pressure shall not exceed 1 3 psi This will allow for good air flow out the vent Your Microflush Marine Head discharge line must have a rise trap in order to provide back pressure during the flush cycle see Rough in Dimensions on pages 14 15 Caution Do not apply stress to align Microflush rear or downward discharge outlet to waste line This will result in eventual damage to seal between Hopper and Toilet Bowl causing leaking Do not use the P Trap with a vertical rising waste line Microflush on it s back on a padded surface e g June 25 2002 l 2 3 shipping box Center wax ring over Hopper Flange Turn Microflush Marine Head over lift up and center it with the horn of the wax ring into standard floor flange located on centerline 12 from wall Compress the wax ring by applying weight to your Microflush Marine Head A second standard wax ring may be added 1f floor is uneven If Hopper Flange hits floor flange grind it down for added clearance as any contact will break seal between Hopper and Toilet Bowl causing leaking All Rear Discharge Models Install inverted P Trap supplied with Microflush Marine Head Do not glue or connect fittings until fitting ali
9. peepee 2 NIE a N NO se ot E aO nee Bee et Air In GO PSI Flush Activator June 25 2002 ROUGH IN DIMENSIONS LF 210 LF 310 and LF 320 Models NOTE All dimensions may vary 2 LF 210 Round Downward Discharge AIR HOOK UP 1 4 COPPER TUBING COMPRESSION FITTING TO AIR SUPPLY GR E 3 38 F 75 Rec L PIPE THREAD J al so 8 69 a CUTOUT AT REAR Round i 15 22 TOILET DISCHARGE DR 1 1 2 PIPE SIZE IPS 26 5 lj TO ACCOMODATE Elongated MOUNTING aman FLOOR FLANGE J HOLES 4 LF 210 Rear Discharge TOILET DISCHARGE 1 1 2 SLIP HUB PIPE SIZE IPS 1 12 LF 310 Rear Discharge 1 1 2 Slip Hub Pipe Size IPS Water Hook Up 1 2 FNPT Toilet Discharge a 1 1 2 Slip Hub 3 4 5 16 LF 320 Rear Discharge Air Hook up 1 4 Copper Tubing Compression Fitting To Air Supply Toilet Discharge 3 31 Radius 1 1 2 Slip Hub RAST Pipe Size IPS Air and Water Connection From Remote Flush Assy Are Inside Toilet Shroud 18 7 88 Toilet Discharge 1 1 2 Slip Hub Reference Remote Flush Rough In next page ROUGH IN DIMENSIONS LF 219 Models NOTE All dimensions may vary Marine Head Manual P N 24533 15 June 25 2002 1A 4 NOTE Do not use P Trap in vertical rise waste line applications Downward Discharge Toilet Discharge 2 25 dia Thru Floor 4 15 75
10. 7 water line to Spud fitting at the back of the toilet bowl Run water and the three air lines from the Marine Head Manual P N 24533 Microflush through wall access maximum 7 feet Position toilet and connect hopper discharge outlet to waste line Bolt toilet to floor and attach back plate to wall Do not reposition toilet after it is connected to the waste line as this may break the seal between bowl and Hopper and cause a water leak Re install side panels on toilet Connect the three air supply lines to the Air Water Sequence Valve color coded lines to matching color coded fittings Mount Remote Valve Assembly at least 6 above the rim of the bowl and mount the Flush Activator assemblies at desired location on wall WATER CONNECTION Never install a check valve on the inlet side of the Microflush head Integral Models Connect incoming water from angle stop to water connector Make sure WATER IS OFF at angle stop LF 210 Models water supply connector is made of nylon plastic Be careful not to cross threads LF 219 Models if integral model is connected to a potable water source the unit requires installer to provide a Back Flow Cross Contamination Prevention device Please check applicable jurisdiction for requirements before installation LF 310 Models use back up wrench on water inlet DO NOT allow inlet fitting to turn and be forced into Air Water Sequence Valve Remote Models Connect incoming water fr
11. OOTING Your Microflush toilet is designed to give you years of trouble free operation Please check the following before beginning any service or repair Water supply 1 Is the water turned on 2 Is the water pressure between 20 and 50 psi at the toilet for pressure water system 3 Is there 6 feet minimum of head for gravity systems Fluctuating or high water pressure can cause intermittent problems with the toilet operation Check the water pressure at different times of the day 1 e early morning noon evening to determine if you have fluctuating or high water pressure A pressure reducing valve installed on the incoming water line will assure you have even pressure Make sure no check valve is installed before the Air Water Sequence Valve Air system 1 Is the air turned on 2 Is the air pressure set at a constant 60 65 psi at the toilet 3 Do you have any air leaks or kinks in the air system 4 Do you have water in the air system This usually causes irregular timing Drain the compressor tank and check the filter regulator and drip leg s for water To check for water in Air Water Seq Valve remove Bleed Off Plug put finger over screw opening and flush If water is present it will squirt out If water is detected then the air cylinder and airlines must also be drained Cycle time 1 Is the flapper cycle time set correctly at 4 8 seconds 2 Is the bleed off assembly plug blocked Remove clean and reinstall see page 5 Possible Ca
12. e stop between bulkhead and toilet Water at the head must be regulated at an even pressure between 20 to 50 PSI for Microflush to operate properly Optimum pressure is 35 PSI DO NOT CONNECT WATER LINE TO MICROFLUSH YET LF 210 Downward Discharge Model Rest Marine Head Manual P N 24533 INSTALLATION PROCEDURES 4 DRAIN CONNECTION See Rough in Dimensions For direct overboard discharge contact Microphor or your dealer When using a 1 1 2 38 1 mm discharge line each toilet must go individually to the MSD or holding tank Do not connect more than one toilet to a 1 1 2 38 1 mm discharge line If a vertical rise is required the vertical rise must be at the toilet The maximum vertical rise is 36 The maximum horizontal run is 30 feet 9 14 meters and must slope a minimum of 1 8 per foot 1 in 100 towards the MSD or holding tank For 1 1 2 lines reduce horizontal pipe run 2 feet 68 meters per 90 elbow Use long sweep elbows do not use 45 elbows Do not use the inverted P Trap with a vertical rise When multiple heads are installed a vented 3 gravity collection line is to be used with not more than 4 heads per 3 line Manifold the 1 1 2 lines into the 3 collection line and provide a grade of at least 1 4 per foot towards the MSD or holding tank Vent 3 line at the manifold point Holding tank or MSD must be vertically vented to atmosphere via 3 vent terminating at highest point possible Limit the
13. gnment has been checked Caution Outlet of LF 210 and LF 219 Models is 3 4 off centerline Make sure head discharge and waste line are in line not off set When using a 1 1 2 discharge line a vertical lift of 36 inches can be achieved in single head applications The vertical rise must be at the toilet This vertical application is not advised for commercial high use applications Do not use the P Trap with a vertical rising waste line Please contact the factory for further information LF 219 Model For downward discharge use molded P Trap hose supplied For rear discharge use inverted P Trap See page 9 for part numbers Remote Models Position and mount the Remote Valve Assembly making sure the Vacuum Breaker is at least 6 above the rim of the Microflush Marine Head bowl Measure air and water lines to make sure Remote Valve is mounted within connection distance to Microflush Marine Head Run water and the three air lines from the Remote Valve Assembly to Microflush Caution For Remote Flush Activators make sure inside wall thickness does not exceed 1 2 or large mounting nut will restrict movement of flush handle Mount toilet bowl to floor LF 210 and LF 219 models mount to floor with 1 4 closet bolts provided Screw on bolt caps to mounting screws Model LF 310 and LF 320 models are bolted to floor bolts not provided LF 320 Models Remove side panels to facilitate mounting toilet Connect
14. hen the flapper has closed compressed air enters the hopper pushing the waste over the trap and into the wasteline Grfc 210 op 2 June 25 2002 2 AIR LINES All piping supplied by customer is to conform to U S C G requirements relating to water tight decks and bulkhead 46CFR56 69 14 Compression Be sure airline from compressor is of sufficient size based on length of pipe run to head We suggest 3 8 air line up to 40 1 2 air line up to 75 and 3 4 air line for over 75 Install a filter regulator assembly in incoming airline Place the filter regulator as close as possible to the first Microflush Marine Head and in an accessible location Set filter regulator so that 60 65 psi constant is available at the head Install an in line air dryer Microphor P N 30054 or combination filter regulator dryer P N 94036 Assemble the Air Connecting Kit provided and connect to incoming air line with shut off valve between bulkhead and toilet For LF 210 Models use Air Connecting Kit P N 93086 and for LF 219 Integral Models use Air Connecting Kit P N 95172 The plastic airline provided goes from the air supply to the Flush Activator On integral models the plastic air line enters the Microflush through the back wall or up through the floor under the unit Make sure air is OFF at air compressor DO NOT CONNECT TO FLUSH ACTIVATOR YET WATER LINES Use a 1 2 water line and install a water shut off valve angl
15. in slowly and pulling out quickly to pull your Microflush Marine Head for any reason The air object back into the hopper If necessary turn air system must be free of moisture Drain air off and use a snake inserted through a short plastic receiver regularly to remove moisture pipe placed in hopper Pipe will protect flapper seal If valve will not operate with water off hold CLEANING flush lever down and turn water on and off quickly Use Micro Clean Organic Spray Cleaner P N 24542 to free valve action When the passage becomes Sanitizers like Lysol Pine Sol Hexol ammonia clear turn on water and press flush handle to start base products caustic drain openers or flush cycle non biodegradable cleaners should never be used if the plumbing system is connected to a Microphor WINTERIZING out of service winter storage MSD Shut OFF water to Microflush Marine Head Flush 1 While depressing the Flush Activator turn OFF the Microflush Marine Head three times or until water water Allow the bowl cleaner to flow into the no longer flows into the bowl Unhook water supply lower chamber Keep the Flushing Activator at angle stop Empty water in line into receptacle depressed Shut OFF air supply to your Microflush Marine 2 Insert bowl brush into lower chamber and agitate Head The unit is now prepared for freezing mixture carefully Remove the bowl brush and temperatures OPEN petcocks on drip legs and air release the flush activator receiver
16. irlines back to the air receiver or drip leg assembly and drain regularly 4 The air supply to your Microflush Marine Head must be taken from the top of the main or branch air line Filter Regulator Drip Leg gt Condensate Drain gt AIR COMPRESSOR When the flush handle is pressed the After 4 8 seconds the flapper closes flapper opens allowing wastewater to Clean water continues to flow into the flow into the hopper Clean water bowl where is remains until the next enters the bowl from the rim to flush thoroughly wash the bowl Marine Head Manual P N 24533 Be certain compressor crankcase has proper oil levels Locate the compressor in a clean dry well ventilated location Size compressor according to separate Air Compressor Specifications Sheet LF 310 ITEM LF 210 LF 219 LF 320 1 4 45 i Flare Fitting 1 2 FNPT Water Line Connection Drain Connection 1 1 2 outlet 3 4 19 mm off centerline Centerline Must be mounted so vacuum breaker is located 6 above rim of toilet bowl 1 PRE INSTALLATION Following procedures apply to all Microflush models unless otherwise noted Remove your Marine Head from box carefully Integral Models Install toilet seat and flush handle before mounting Microflush to floor Seat is not included with LF 210 and LF 219 models Bolt caps and closet screws are provided with LF 210 and LF 219 models Remote Valve Assembly W
17. om angle stop to Microflush Hose Barb on the Remote Valve Assembly Connect the water line from Remote Valve Assembly to the Flush Rim Spud Assembly Make sure WATER IS OFF at angle stop June 25 2002 START UP 1 2 Turn air ON air supply at compressor Turn air ON at air shut off cock near but not connected to Flush Activator to blow out airlines for a few seconds This procedure should remove any debris or contaminants from the airline Turn air OFF at shut off valve Connect airline to Flush Activator Make sure air shut off valve is installed next to Flush Activator Do not over tighten fittings Turn ON air shut off cock Check total installation for air leaks using soapy water Turn ON water Check for water leaks Flush you Microflush Marine Head four times waiting twenty seconds between flushes to get water through system and operating regularly To flush properly hold down Flush Activator Handle or Button until flapper opens DOUBLE CHECK l 2 3 Air pressure at Microflush Head is at 60 65 psi Water Pressure at Microflush Head is between 20 50 psi 35 psi optimal Water level in bowl should be at top edge of flapper opening If your Microflush does not operate correctly refer to troubleshooting sections FLUSH CYCLE ACTIVATORS There are two types of Flush Activators Marine Head Manual P N 24533 Standard hold handle or button down for 1 second barely push handle or button to
18. open the water passage allowing water to enter and rinse the bowl The air on the top of the piston is bled off through Port 1 and out Vent 2 3 As the Flush Lever is released the Flush Activator returns to the normal rest position redirecting oressurized air to Port 2 Port 3 and Port 4 The Bleed Off Plug 12 bleeds off the air Black Tube under the piston causing the spool to move downward gradually closing the water passageway The air having been bled off the top of the Air Cylinder Port 8 White Tube through the end of the Flush Activator Vent 2 Blue Tube allows the Air Cylinder to close the Flapper allowing water fo accumulate in the bowl restoring a proper water surface area Near the bottom of the piston stroke the air passageway from Port 10 Yellow Tube to the Hopper Port 11 is unblocked for 4 11 seconds to pressurize the hopper and expel the waste contents over the trap and into the waste line 5 As the A W Sea Spool reaches the bottom position the water supply is shut off completing the flush cycle In the event of air supply failure the spring in the Air Water Sequence Valve maintains the valve in the closed position blocking the water passageway The flapper will open and allow water in the bowl to flow into the hopper forming a water seal Grfc AWS bw Marine Head Manual P N 24533 Air amp Water Sequence Valve Water In 14 if 1 NO on LU a A N
19. s shown in italics are part of Kit 95173 3 D Body Water z l P N 95057 Seal D Insert Spacers and Spool available as a set P N k 27242 1 O Ring 95530 bs Water Body Main Body and Bottom Cap j available as a set P N 39386 Saya ows an Spool Spacer O 97950 i i o i 1 39061 SA i 39510 2 Spacer O Si Piston O o ring CD 27253 39062 CD O Ring i Spacer 27250 C 27244 S O Ring O Ring 1 39061 a ee 39088 Nut O Ring 10886 Spring Water 39087 Poppet 26856 O Ring Lubricant 39386 WaterBody Main Body Bottom Cap Assy File AWS 6 95057 Kit Components shown in Italics Marine Head Manual P N 24533 13 June 25 2002 AIR WATER SEQUENCE VALVE OPERATION Inthe normal rest position pressurized air enters the Flush Activator and goes from Flush Activator Port 1 Green tube to Air Water Sequence Valve Port 2 through Port 3 Red tube to Air Cylinder Port 4 holding the Flapper closed sealing the water in the bowl and maintaining a proper water surface area 2 When the Flush Activator is pressed air is shifted to Port 5 Blue Tube to A W Seq Valve Port 6 and on to Air Cylinder Port 8 White Tube The air in the base of the Air Cylinder is bled off through Port 4 Red Tube to Port 3 and out Vent 1 allowing the Air Cylinder to retract opening the Flapper Simultaneously pressurized air in the base of the A W Seq Valve pushes the piston and spool assembly up to
20. scharge as indicated Bottom Discharge with Flange 1 1 2 pipe Glue 1 2 long pipe nipple to hopper discharge port as indicated and glue Tank Isolation Valve assembly to pipe nipple NOTE Isolation Valve is in two pieces tighten valve before installation and again before making drain connection Marine Head Manual P N 24533 REAR DISCHARGE WITH LF 219 DOWNWARD HOSE REAR DISCHARGE L J GLUE HERE BOTTOM DISCHARGE NO FLANGE BOTTOM DISCHARGE WITH FLANGE 12 June 25 2002 AIR CYLINDER ADJUSTMENT Remove Hopper see Hopper Replacement Remove the clevis pin retaining ring Remove the clevis pin Inspect the crank arm clevis and clevis pin for wear Replace if required Hold the crank arm in the UP position flapper closed Fully extend the air cylinder and note the position of the holes in the crank arm and the clevis The clevis hole should extend half its diameter past the crank arm hole Adjust as necessary by loosening the locknut and extend or retract the clevis as required Re install Hopper Mn R D Re J O 7 1 4 Fully Extended NOT TO SCALE TO CHANGE FLAPPER GASKET 1 Turn water and air off 2 Reach behind flapper to grasp gasket tails 3 Pull tails out of slots to remove old gasket 4 Installation is the reverse of removal 5 Tails must be pulled all the way through to insure smooth surface 7 AIR WATER SEQUENCE VALVE 39013 o a COMPONENTS da ne te Moi Component
21. uses Flapper does not open No Air Supply to Microflush Supply compressed air at 60 65 Water does not flow Water has accumulated in psi at the toilet Nothing happens Air Water Sequence Valve See Check Air System above Flapper opens and closes 4 8 No water supply to Microflush Supply water at 20 50 psi seconds after handle is released 2 Water turned off 2 Open angle stop shut off but no water enters bowl valve Flapper opens when flushed and Excessively high water Install water pressure closes immediately when activator pressure regulating valve set at 20 50 is released Debris in check valve at base of psi Air Water Sequence Valve Clean Air Water Seq Valve Flapper opens and will not close Bleed Off plug blocked Remove clean or replace reinstall Water continues to run when Foreign object is under water Clean Air Water Sequence Valve Microflush is not in use valve in Air Water Sequence Reference Service Kit P N 95057 Valve Water splashes when flushed Water is too high in bowl Reduce incoming water via angle Stop Flush cycle is too long Bleed Off Plug blocked Remove clean or replace reinstall Flush cycle is too short Air line leakage Check for air leakage at all connections If other problems are encountered please contact the factory Toll Free 1 800 358 8280 Marine Head Manual P N 24533 T June 25 2002 EXPLODED VIEWS Toilet Shell Toilet Lid Closet Screws Flush Activator Air Water
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