98190 Series D Marathon2000
Contents
1. lt lt lt __ 4 7626 CLAMP HOSE 5 16 7 8 SCREW Lee 14881 FITTING QUICK CONN NIPPLE X 1 4 FPT 15223 FITTING BRS ELBW 1 4 MPT X 3 8 HB 4 15505 FITTING BRS ADPT 1 4 MPT X 3 8 H8 511 18486 FITTING PLST 3 8 MPT X 3 8888 6 19185 1 4 8 19187 NN 15242 VALVE SOLENOID 120V 6087 NN 212 9 10 30572 HOSE 3 8 1 0 X 30 00 LG it i 305 HOSE TEE NIPPLE 3 8 X 40506 12 1 30574 Host 3 8 1 0 X 15 00 16 13 30582 FITTING BRS ELBW l 4WPT X 3 8 MPT la 4 1910 MOUNTING sacer 19205 SCREW PHIL PAN HD MACH 10 24 X 1 1 4 SS TEM NOT SHOWN E imo 8 19 pr Oy 3 B 24 RECOVERY DOME ASSEMBLY REF 30646 BILL OF MATERIALS QTY PART NUMBER DESCRIPTION 19270 FITTING MALE COVER 30025 COVER TOP TANK 30058 30059 FITTING FEMALE COVER 30060 PIPE COVER 1 4 PVC i 30061 45 DEG PVC 30062 WASHER COVER 30063 O RING COVER 25 WIRING DIAGRAM REF 30702 c c u zo Or C aO2. 3 1 22 w NUT HEAVY HEX JAM 4 1 11007 JWASHER LOCK 1713 1000 6 3 16586 Lock WASHER 3 8 ___ O 8 17160 8 HEAD 1 4 20 X 3 4 9 19145 NUT HEX LOCK NYLON INSERT 10 24 101 19149 FITTING BRS PLUG 1 8 MPT HEX SOCKET ir a 19154 NOZZLE 1 8 V 1411 t9161 PULLEY TIMING MOTOR 00 t6 19166 PULLEY TIMING MOTOR 17 1 10167 8 5 __ 186111 19189 FITTING BRS ADPT 1 8 X 3 818 ta di torso SPACER 5 16 DELRIN 20 19 9 WASHER PLAIN 5716 55 22 2 19227 BEARING SLEEVE 3 4 NYLINER 23 4 19228 GASKET BEARING BLOCK 24 19233 BELT TIMING 25 30003 BRUSH HOUSING 26 1 30034 BRACKET BRUSH LEVEL 21 3007 PLATE BRUSH 28 30039 ADJUSTING SCREW 29 1 30045 MAMIFOLD 52841848 30 30046 BRUSH MARATHON 2000 ___ 31 1 30047 SHAFT BRUSH 32 3005 GASKET BRUSH PLATE BUSHING BRUSH PIVOT 35 1 3527 5 O 36 30565 BRACKET SPRAYBAR HOLDER 37 1 30707 spring PIM 39 31053 BRACKET BRUSH MOTOR MTG 22 AMD ATAWASSY 8 23 PUMP ASSEMBLY REF 30645 BILL OF MATERIALS AA SS PART NUMBER DESCRIPTION A L
3. 30065 GROUND WIRE VAC MOTOR TEMS NOT SHOWN Mo LOWER TANK ASSEMBLY REF 98190 BILL OF MATERIALS QTY PART NUMBER DESCRIPTION 177700064 SCREW PHILLIPS OVAL HEAD MACHINE 1 4 20 X 3 4 2 6 __01246 LOCK WASHER 6 ________________ 4 10 0 517 LOCK WASHER 5 16 8 6 01734 SCREW PHILLIPS ROUND HEAD MACHINE 36 32 X 3 8 7 8 90109 SCREW HEX HEAD 5 16 18 X 3 4 8 4 02217 NUT HEX JAM LOCK NYLON INSERT 1 4 20 79 2 03218 WASHER PLAIN 1 8 l0 8 03301 WASHER PLAIN 58 16 4 03313 RING RETAINING EXT 3 4 O OoOO O 1 03320 SCREW HEX HEAD 3 8 16 X 1 000 14 ___03736 WASHER PLAIN 378 ________________ 15 013668 NUT HEX JAM LOCK NYLON INSERT 3 8 16 16 2 03947 RING RETAINING EXT 318 18 2 07626 CLAMP HOSE 5 16 7 8 SCREW 19 2 15061 CLAMP NOZZLE __ 5 21 2 16459 SCREW HEX HEAD CAP 1 4 20 X 34 23 2 17508 NUT FINISHED HEX 1 4 20 24 1825 GRIP HANDLE 42442 26 4 18717 CLAMP CABLE 5 8 DIA 27 2 8113 CASTER SWIVEL 28 5 18885 WASHER PLAIN 1 4 WASHER PLAIN 5 16 SS 30 19197 TUBE NOZZLE HOSE ADAPTER 32 4 19254 SCREW PHILLIPS PAN HEAD MACHINE 1 4 20 X 3 4 33
4. TORNADO INDUSTRIES 7401 W LAWRENCE AVENUE CHICAGO IL 60706 708 867 5100 FAX 708 867 6968 TORNADO MARATHON 2000 FORWARD ONLY EXTRACTOR CATALOG NO 98190 115V 60HZ OPERATIONS SERVICE MANUAL Form No L8190AD FOR COMMERCIAL USE ONLY 2001 Tornado Industries Inc All rights reserved This illustrated parts book covers SERIES SIZE 27 2 5 All specifications are subject to change without notice TABLE OF CONTENTS Safety Instructions Preparation amp General Precautions Cleaning Tips Machine Specifications Operation Instructions Maintenance Issues Trouble Shooting Table Main Assembly Upper Tank Assembly Lower Tank Assembly Control Panel Assembly Brush Assembly Pump Assembly Recovery Dome Assembly Wiring Diagram 3 485 5 687 8 9 10 11 12 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Standard Warranty Program 10 Years plastic tanks and rotationally molded bodies 2 Years Parts and Labor on all Tornado and Tornado Karcher cleaning equipment 1 Year Warranty on batteries one full year not pro rated Warranties do not cover components subject to normal wear or abuse and misuse and have other limitations not specified here For full details contact your Authorized Tornado Distributor Service Center or the Tornado Technical Service Department Effective January 1 2000 Terms subject to cha
5. end user Do not use the machine for dry vacuuming This machine is not fitted with a dry filter e Use defoamer in the recovery tank at all times to prevent damaging the vacuum motor e Do not use water in excess of 140 degree F 62 degree e Use only commercially available low foaming carpet cleaners and defoamers intended for machines of this type Do not use dyes bleaches ammonia or other additives The use of powdered cleaning solution if not diluted properly many result in the intake screen clogging or damage to the pump Do not expose machine to freezing temperatures Do not attempt to repair warranted machines All repairs must be done by a qualified and authorized repair center Non warranted repairs will be billed back to the owner of the unit Do not use any replacement parts except those specified in the parts list Unauthorized parts will void the warranty and could cause the unit not to function properly FAILURE TO COMPLY WITH THE ABOVE WARNING INSTRUCTIONS WILL VOID THE WARRANTY ELECTRICAL This machine operates on a standard 15AMP 115 volt AC circuit and has a grounded plug Make sure the machine is connected to an outlet having the same configuration as the plug No ungrounded adapter should be used with this machine Special voltage models available GROUNDING INSTRUCTIONS This machine must be grounded If it should malfunction or breakdown grounding provides a path of least resistance for electric c
6. 23292 FITTING ELBOW 2NPT X TUBE o 344 1 30021 BOTTOM TANK 35 30026 1 COVER BOTTOM TANK 36 30027 2 As 37 30030 HINGE ____________________ A 42 30036 LIFT HANDLE __________________ 43 30040 TRANSAXLE 1 44 2 30043 WHEEL 1 45 2 30044 WHEEL BUMPER 1 46 30048 ROD BRUSH ATTACHMENT 41 30049 BRACKET LIFT 48 30053 HOSE TANK SECTION 49 3004 TEE 50 1 30056 ROD LIFT HANDLE 5t 2 30510 SPACER BUMPER WHEEL 52 2 3057 BUSHING BUMPER WHEEL 53 2 30577 18 JOINT HANDLE 54 30518 BRACKET ADJUSTING SCREW 55 30580 BRACKET DRAIN HOSE SPACER ORUSH ROD 5 3095 SOLUTION FILTER _59 6 30613 SCREW PHILLIPS ROUND HEAD MACHINE 3 8 16 1 2 66 4 30614 SCREW PHILLIPS PAN HEAD MACHINE 1 4 20 X 5 8 6i 2 30615 NUT FINISHED 5 16 24 62 2 30618 SCREW PHILLIPS PAN HEAD MACHINE 10 24 X 3 8 63 306581 ASS Y SPRAY WAND 64 30704 8455 71 8011 WEIGHT 65 2 30922 SPACER 66 30050 HOSE NOZ2ZLE 67 30052 HOSE DRAIN BOTTOM TANK 68 1 305153 05 3 8 X 4 LG 18 LOWER TANK ASSEMBLY REF 98190 CONTROL PANEL ASSEMBLY REF 30644 BILL OF MATERIALS ITEM OTY PART DESCRIPTION 00616 NUT FINISHED HE
7. RELIEF Attaching the strain relief cord retainer to the 50 power cord 1 Make a loop in power cord approximately 12 from receptacle end 2 Slide cord loop through slot in retainer and over retainer arm Pull slack cord back through slot to secure Attach retainer to handle EXTENSION CORD If an extension cord is used the wire size must be at least one size larger 12 3 than the power cord on the machine REQUIRED CLEANING CHEMICALS Use only commercial low foam cleaning chemicals that are designed for carpet extraction 1 General carpet extraction cleaner added to the solution tank 2 Traffic lane per spray usually applied with spray wand 3 Defoamer only goes into the recovery tank CAUTION Use as directed Do not over use the cleaning chemicals CLEANING TIPS Check the condition of the carpeting If the carpet is loose heavily soiled stained spotted or badly worn point this out to the person in charge Locate an inconspicuous spot on the area to be cleaned Test carpet for colorfastness before proceeding Pour the concentrated cleaning solution on the spot cover with a white towel and place a heavy object on top to absorb the cleaning solution Wait 10 minutes for any reaction to take place Remove weight If there is no color transfer it should be safe to clean Remove the furniture from the area to be cleaned Large pieces can be moved to opposite end of the room from where you start cleaning and replace when i
8. X 6 32 01604 NUT FINISHED HEX 10 32 10670 SWITCH ROCKER 10892 10 24 KEPS 14624 15560 16433 1180 18711 18818 18863 19182 19261 19310 19617 19879 19990 30028 0038 0042 0224 0241 0566 0616 0611 0688 0698 0699 30703 30880 30700 NOT SHOWN 2 lt gt 4 017 44 40 KEPS CREW PHILLIPS FLAT HEAD MACHINE 10 32 X 3 4 IRCUIT BREAKER 20 AMP LAMP CABLE 5 8 DIA Wi TCH MOMENTARY NOB SPEED CONTROL ECTIFIER AC 8 AMP ELT CLIP CORD CONTROL IRCUIT BREAKER 2 5 AMP CREW PHILLIPS PAN HEAD MACHINE 10 24 X 1 000 LOCK TERMINAL IRCUIT BREAKER 15 AMP ONTROL PANEL OD DRIVE ACTUATION C BOARD ONTROL HOUSING WITCH MAIN ROCKER co lt gt 22 CREW PHILLIPS TRUSS HEAD MACHINE 10 24 x 7 8 CREW PHILLIPS TRUSS HEAD MACHINE 6 32 x 3 4 55 POWER CORD SS Y POTENTIOMETER WIRE AUGHTER BOARD SCREW PHILLIPS TRUSS HEAD MACHINE 44 40 x 3 4 HEAT SINK PLATE CONTROL WIRE BOX SET O RPO lt gt 2 lt gt ITEM c CONTROL PANEL ASSEMBLY REF 30644 BRUSH ASSEMBLY REF 30643 BILL OF MATERIALS PART NUMBER DESCRIPTION 2 02625 NWUT HEX LOCK KEPS 10 32
9. arts of body away from openings and moving parts Turn off all controls before unplugging Use extra care when cleaning on stairs Do not use to pick up flammable or combustible liquids such as gasoline or use in areas where they may be present Connect to a properly grounded outlet only See Grounding Instructions SAVE THESE INSTRUCTIONS BEFORE OPERATING THE MACHINE Read the manual carefully and completely before attempting to operate the unit This manual has important information for the use and safe operation of the machine Keep this manual on file and handy This machine will assure years of satisfactory service if operated and maintained according to recommendations in the manual If additional information is needed please contact your local distributor or call TORNADO INDUSTRIES INC 7401 W LAWRENCE AVE CHICAGO IL 60706 708 867 5100 FAX 708 867 6968 All information and specifications printed in the manual and parts list are current at the time of printing However because of Breuer s policy of continual product improvement we reserve the right to make changes at any time without notice This machine was shipped with window washer antifreeze during the winter months in the solution line system to protect the pump and valves from freezing during transportation and storage Before you use the unit rinse the solution line system with clean water refer to Protect From Freezing WARRANTY To protect your inves
10. ecovery tank Do not allow the water level to rise above the clear dome on top of the recovery tank If the spray jets become clogged remove the spray bar assembly or the individual spray tips and soaks them in a mild acid or anti browning chemical to dissolve normal alkaline chemical buildup When the extractor runs out of cleaning solution noted by streaking or incomplete cleaning turn off the machine and drain the recovery tank Refill as needed and continue cleaning MACHINE SPECIFICATIONS ELECTRICAL 115 V 15 60 HZ DURABLE EXTENSION CORD 75 DRIVE SYSTEM TRANSAXLE W VARIABLE SPEED 0 100 FT MIN VACUUM MOTOR 3 STAGE 1 HP 120 CFM VACUUM SHOE 22 WIDE CAST ALUMINUM ADJUSTABLE FLOATING ARM BRUSH 19 LONG BRUSH SPEED HP 1000 RPM 1 4 HP SOLUTION PUMP 100 PSI DIAPHRAGM STYLE SOLUTION CAPACITY 20 GALLONS RECOVERY CAPACITY 20 GALLONS WHEELS FRONT 4 DIA REAR 10 DIA SPRAY SYSTEM 4 QUICK CHANGE JETS LEVER TRIGGER SPRAY WAND EMPTY WEIGHT 190 LBS FULL WEIGHT 350 LBS LENGTH 51 HEIGHT 37 5 WIDTH 22 OPERATION INSTRUCTIONS Main Controls Your extractor is equipped with 4 main switches which control the spray bar the brush motor the vacuum motor and the main power The main switch must be activated before operating the transaxle drive The machine will glide easily across the floor when pushed forward without power WARNING In order to av
11. ight of the suction nozzle may need to be adjusted using the turn knob Activate the vacuum motor switch Activate the brush motor switch Activate the spray bar switch Remember to turn off this switch about 6 from the end of each cleaning pass Squeeze the trip lever on the main handle to move the extractor forward The machine has a powered transaxle so forward movement will be quick and easy Turn the variable speed control clockwise to increase the forward speed 11 12 you cleaning monitor the water level in the recovery tank cover An overflow of water in the recovery tank can damage the vacuum motor Always be aware of this water level 13 The recovery tank can be drained by removing the drain hose from its support clip and removing the drain plug The standpipe in the recovery tank is equipped with a metal screen cap This cap is accessible by removing the clear dome on top of the unit It is recommended that this cap be cleaned after every machine use 14 The solution tank has a clear see through drain hose which tells the operator the tank level The water in the solution tank can be drained using this hose 15 While cleaning pre spray traffic areas and spots using the spray wand The spray wand is attached to a quick disconnect and is pressurized when the MAIN SWITCH is turned on WARNING To avoid serious injury Disconnect power before servicing Electrical service must be performed by an a
12. nge without notice Windshear Blower Dryer Insulation Blowers CW 50 CW 100 and Duo Upright Carpetkeepers are warranted for 1 one year for parts and labor IMPORTANT SAFETY INSTRUCTIONS FOR COMMERCIAL USE WHEN USING AN ELECTRICAL APPLIANCE BASIC PRECAUTIONS SHOULD ALWAYS BE FOLLOWED INCLUDING THE FOLLOWING READ ALL INSTRUCTIONS BEFORE USING THIS MACHINE WARNING TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK OR INJURY Do not leave machine when plugged in Unplug from outlet when not in use and before servicing Use indoors only Do not use outdoors and do not expose to rain Do not allow to be used as a toy Close attention is necessary when used by or near children Use only as described this manual Use only manufacturer s recommended attachments Do not use with damaged cord or plug If machine is not working as it should has been dropped damaged left outdoors or dropped into water return it to a service center Do not pull or carry by cord use cord as a handle close a door on cord or pull cord around sharp edges or corners Do not run machine over cord Keep cord away from heated surfaces Do not unplug by pulling on cord To unplug grasp the plug not the cord Do not handle plug or machine with wet hands Do not put any object into openings Do not use with any opening blocked keep free of dust lint hair and anything that may reduce air flow Keep hair loose clothing fingers and all p
13. oid injury it is recommended that the extractor be pulled in the reverse direction without power in emergency situations only In addition there are 4 main circuit breakers located on the front of the main control panel 20 amp circuit breaker main power 15 amp circuit breaker vacuum motor 2 5 amp circuit breaker transaxle drive 2 5 amp circuit breaker brush motor drive 10 Set Up and Operation Your Marathon is shipped complete and ready for carpet cleaning This style of machine is sometimes referred to as a self contained extractor since everything is included in the body of the extractor 1 2 Install recovery tank cover to the top of the tank and connect the suction hose to the cover Open filler door at the front of the tank and fill with hot water Add liquid cleaning solution to proper dilution ratio Use separate buckets to fill and empty extractor Avoid using undissolved soap or chemicals which could potentially plug the spray jets Attach a 12 gage extension cord to the pig tail plug on the machine WARNING To avoid serious injury Plug into a grounded earth outlet only Do not use an adapter or remove ground pin on plug Do not use a damaged cord 4 CON 9 Activate the main power switch NOTE THE MAIN POWER SWITCH WILL TURN OFF ALL THE OTHER CONTROLS ON THE MACHINE Lower the manual release lever and allow the brush assembly to rest on the floor The he
14. rn Speed Control Knob Clockwise 2 Service Activate Brush Switch Check For Loose Wiring 7 po Clean SprayJets po Check Pump Remove SprayBr Ad Check water Flow O ee Vacuum Motor Runs But Poor Suction Remove Debris From Vac Shoe Recovery Tank Too Full Drain Tank po Remove Debris From Suction Hose Call Service Vacuum Motor Will Not Activate Vacuum Switch Reset Circuit Breaker Check For Loose Wiring po Call Service 14 UPPER TANK ASSEMBLY REF 30642 BILL OF MATERIALS PART NUMBER DESCRIPTION 113 0154 2 05781 EX M ITEM QTY 3 4858 CLAMP HOSE SCREW rb 15088 ALE ADAPTER 1 1 2 1644 SCREW HEX HEAD 1 4 20 X 4 00 6 18226 1835 ALUMINUM SLEEVE 8 18358 2 2212 18885 10 2 18886 1 1997 FILTER VAC MOTOR INTAKE STANDPIPE 12 I9II9 GASKET VAC MOTOR 13 1 30022 TOP TANK 214 30041 vac MOTOR 15 1 30051 DRAIN HOSE TOP TANK 16 30066 EXHAUST HOSE 1 30067 NUT PVC VAC STAND PIPE 30069 PIPE 2 LG VAC STAND PIPE 3 3668 o 3055 30564 PIPE LONG VAC STAND PIPE pi 22 30584 BRACKET EXHAUST HOSE ET
15. t is completed After cleaning carpet place a small square of aluminum foil or 6 mil poly square under the furniture legs to prevent moisture from damaging the finish or rusting the metal glides Clean the area first with a Clean Air Carpetkeeper upright vacuum Do not use the Marathon as a dry vacuum Heavily soiled carpet or areas of concentrated foot traffic should be treated with recommended pre spotting or pre spray chemicals using a hand spray trigger bottle or pump up sprayer Do not allow any spotter or pre spray to dry on the carpet Identify the type of carpet fiber to be cleaned Most commercial carpet fibers in use are nylon or acrylic based Best results in cleaning would be obtained if hot water is used to clean these types of fibers On the other hand hot water could shrink natural fiber carpeting like wool and cotton in particular Exercise caution when cleaning natural fibers Use cool water test for colorfastness and apply the least amount of cleaning solution possible Plan your cleaning route Always try to have the cord to the right of the Marathon extractor so you are working away from the cord Operate the extractor in parallel passes Clean the perimeter last Turn off spray switch in turns to conserve cleaning solution To decrease dry time go over the carpet without pressing carpet spray switch To further decrease the drying time use the Windshear 3000 Carpet Blower When running the extractor do not overfill the r
16. thon you see something that should be repaired or replaced it should be reported and repaired Little things are easy to forget about but as these little things add up you end up with a cluster of problems that will cost you in the long run CAUTION When opening the Marathon for service and or inspection be sure that the recovery hose is in its proper position If not the hose can become crushed and you will not get good airflow from the vacuum nozzle Be sure to use Tornado genuine parts and service is provided by an authorized Tornado Service Center Use of non O E M parts will void the warranty PROTECT FROM FREEZING If it becomes necessary to store in temperatures that could drop below 40 degrees F the pumping system hoses and valves must be protected from freezing with a methyl hydrate window washer antifreeze solution Do not use ethylene glycol or cooling system antifreezes 1 Add a half gallon of window washer antifreeze to the solution tank turn on the brush switch and press the spray switch until the antifreeze solution fills the solution lines Always allow the unit to reach room temperature before turning on the Marathon to expel the antifreeze 13 Trouble Shooting Table 111114 No Power Nothing Works Plug in Cord Check Circuit Breakers Activate Main Power Switch 2 Check For Loose Wiring Service 2 222 2002 Machine Will Not Move Forward Reset Circuit Breaker Tu
17. tment promptly fill out the required information on the warranty card that comes with the unit and mail it back to Tornado Industries GENERAL PRECAUTIONS Make sure the machine is plugged into an electrical outlet with the same voltage and frequency rating as shown on the nameplate of the machine Do not attempt to plug a 115 volt machine in a 230 volt outlet Disconnect power cord from the outlet before attempting maintenance or repair work Do not leave machine connected to an electrical outlet wnen unattended Don t abuse power cord Never pull the machine by the cord or yank plug from the receptacle If this machine is operated on a wet carpet a potential shock hazard can be caused by a damaged cord Replace a damaged cord immediately Do not immerse this machine in standing water Such use can cause electrical shock Do not use volatile substances such as gasoline or kerosene in the machine on or near the surface to be cleaned The use of such materials could cause an explosion and fire If an extension cord is necessary use a 3 conductor grounding cord 12 gauge wire to prevent motor burnout overheating of the wiring To avoid electrical shock do not expose to rain and store indoors WARNING The machine was designed for use on carpeted floors as per instructions and recommendations written in this manual Any deviation from its proper use or purpose and the consequential damage that may occur is the sole responsibility of the
18. urrent to reduce the risk electric shock This machine is equipped with a cord having an equipment grounding conductor and grounding plug The plug must be inserted into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances WARNING Improper connection of the equipment grounding conductor can result in a risk of electric shock Check with a qualified electrician or service person if you are in doubt as to whether the outlet is properly grounded Do not modify the plug provided with the appliance if it will not fit the outlet have a proper outlet installed by a qualified electrician This machine is for use on a nominal 120 volt circuit and has a grounding plug that looks like the plug illustrated in sketch A A temporary adapter that looks like the adapter illustrated in sketches and C may be used to connect this plug to a 2 pole receptacle as shown in sketch B if a properly grounded outlet is not available The temporary adapter should be used only until a qualified electrician can install a properly grounded outlet sketch A The green colored rigid car lug or the like extending from the adapter must be connected to a permanent ground such as a properly grounded outlet box cover Whenever the adapter is used it must be held in place by a metal screw NOTE In Canada the use of a temporary adapter is not permitted by the Canadian Electrical Code STRAIN
19. uthorized service station or electrician Use only nonflammable commercial chemicals intended for machine application Do not use where explosive vapors or dust are present in the air Disconnect power if the machine is left unattended Do not allow machine to freeze Do not expose to rain store machine indoors Daily Maintenance Rinse out the recovery tank and clean the recovery dome In addition remove and clean the recovery screen cap Drain the solution tank and clean with water Remove any debris in either the recovery or solution tank Flush the pumping system with clean warm water or white vinegar Remove lint or debris from the vacuum shoe or brush Hint if heavy lint build up is present use a hacksaw blade with teeth down to remove the lint Qo O 12 Periodic Maintenance e tis highly recommended that once month you flush the Marathon out with a 8 to 1 ratio of water to white vinegar or anti browning solution through the extractor This will help to prevent the build up of alkaline residue 9 If the spray jets become clogged remove and wash them thoroughly and blow dry Do use wire or pins to clean the nozzles as this will cause the spray pattern to become distorted thereby creating a streaking pattern on the carpeting e f the spray jets drip after the pump is turned off the solenoid valve may need to be cleaned e Once a month inspect all electrical cables hoses filters and connections the Mara
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