RX-20 Manual c.1987 - Owners Manual
Contents
1. OPERATION MANUAL 20309 64th Ave W e Lynnwood WA 98036 CONGRATULATIONS You now own a piece of equipment that incorporates the latest in carpet cleaning technology with features that will almost cer tainly increase the productivity of yourself and your business while decreasing the fatigue factor that may have prevented you from going after some of the large cleaning jobs that are available to carpet cleaners and maintenance professionals today With competition as strong as it is in most communities you have in vested in not only a cleaning tool but a marketing tool that will enhance your professional image in every way The RX 20 is REVOLUTIONARY and your foresight in purchasing this ultimate Page AN EVOLUTION THAT HAD TO HAPPEN 1 SPECIFICATIONS AND CAPACITIES 1 CONSTRUCTION Li 1 PREPARING YOUR RX 20 FOR OPERATION 2 OPERATING YOUR RX 20 aaau aaa aaa aaa aaa 2 RX 20 CLEANING PATTERNS 0 3 CAUTIONS WHILE CLEANING 3 SPECIAL INFORMATION 0 3 CLEANING HINTS Le 3 RX 20 MAINTENANCE 0 4 REMOVAL OF COMPONENTS 5 FREEZE WARNING AND PROTECTION 6 PARTS AND ASSEMBLIES 6 PARTS LIST ecc 7 TROUBLESHOOTING Backcover cleaning machine will be rewarded with the knowledge that you care enough to give your customer the maximum cleaning pro cess available Using2. No aad er di we u 5 ri i ARPA deg sie N Soi j w gli no h it st gies te a J I ale X G t n ai L seta lien Mr ae ihs q fi fi in i Wer zA Eta S E SEE SE plicable only in the U S A and Canada and is extend ed only to the original user purchaser of this product HYDRA MASTER is not responsible for costs for repairs performed by persons other than those specifically authorized by HYDRA MASTER This war ranty does not apply to damage from transportation alterations by unauthorized persons misuse or abuse of the equipment use of noncompatible chemicals or damage or loss of income due to malfunctioning of the product WARNING Warranty is violated when proper maintenance is neglected unit is abused unit is damaged from hard water or freezing or damaged from any uses not prescribed in this manual 1 i lt E GP A Corto 1 coy L T ay Rs o n fl os fa o x k fu Gone hl ft du a ba dy Pilo A l i i is N ni E aid rent n bs eae nit rr i i att ve i l A RS oft q hee if YAQ d oh N Eu Ss at i DI BP 1 AR PARTS LIST see illustrations on following two pages DESCRIPTION PART NO QTY NO DESCRIPTION PART NO QTY 4 2 z O 51 gt 1 3 2 DECAL RTRY JET EXTRACTOR 000 081 001 1 3 COVER TOP MOTOR 000 041 026 1 UPPER HANDLE 000 061 016 4 DECAL H M LOGO 000 081 001 1 9 DECAL RX HANDLE 000 081 001 54 KNOB ADJUSTING 000 061 015 1 7 HOSE V
3. of the hub with a quality 30 weight SAE motor oil Also put a few drops into the hub threads as shown see illustration 10 8 Clean any debris that may have accumulated on the gearhox shaft or the inside threaded bore of the hub see illustration 11 9 Coat the shaft with PENNZ GUARD or a similar lubricant Reinstall the vacuum head assembly onto the shaft by rotating it counter clockwise see illustration 12 T N IMPORTANT While rotating the vacuum head assembly in the counter clockwise position make sure that it spins freely all the way down If it begins to require the slightest finger tip pressure unscrew it and brush off the threads All it takes is the slightest grain of dirt or sand to obstruct the threads If you tum too far onto a grain of dirt the hub may become locked onto the shaft of the gearbox 10 Check oil in the gearbox Change oil in the gearbox every 100 hours Use 80 90 weight gear oil to reduce friction and allow the gearbox to run at a cooler temperature Drain oil then fill with new oil at the oil port on top of the gearbox until it dribbles out of the inspection port A see illustration 13 NOTE When checking or changing the oil the unit must be on a level surface NOTE Normal wear and tear on your new gearbox will cause small amounts of metal splinters to rub loose during the first 10 hours of use therefore we recommend that you change the oil after 10 hours then every 100 hours aft
4. 052 301 1 35 SCREW 10 24 x FHM 000 143 114 4 83 NUT 1 4 20 HEX 000 094 008 1 38 GASKET FELT HUB 000 057 047 1 39 NIPPLE 1 8 x 4 BRASS 000 052 080 5 40 ELBOW 1 8 BRASS 000 052 089 5 41 JET 80015 S S 1 8 VV 000 076 037 5 89 COVER HANDLE ACCSS 000 041 013 1 42 SCREW 5 16 18x 1 S S HHC 000 143 158 5 43 NUT 5 16 18 S S NYLOCK 000 094 035 5 91 RIVET AB4 3A POP 000 140 001 2 44 HEAD RX 20 VACUUM SKID 000 064 006 5 92 SCREW 10 24 x 1 1 2 BTHDC 000 143 167 1 45 HOSE VAC HUB SKID 000 068 174 5 93 ROD HANDE PIVOT 8 1 8 000 141 009 1 46 SCREW 5 16 18 x 1 2 S S HHC 000 143 148 5 94 INTERNAL WIRE HARNESS 604 051 003 1 47 S S HEAT TREATED STAR 000 107 089 1 48 NUT 10 24 S S NYLOCK 000 094 034 2 Pa LD Uh A q LAN gt 4 E DV CN P EX P a 47 46 45 BASE ASSEMBLY TWIST LOCK PLUG WIRING DIAGRAM White to PN Silver Post Black to Gold Post HANDLE ASSEMBLY Green to Center Post 61 VALVE ASSEMBLY Plunger O Ring small Plunger Plunger O Rin 67 Keeper Ring O 9 E w Retainer Spring Valve Cap O Ring CD Valve cao VISUAL GRAPHICS EVERETT WA ROUBLESHOOTING Hub not sealing properly Replace felt seal with a lubricated one Low vacuum flow at the Restricted air flow Check all vacuum hoses for restrictions cleaning heads e ee Low vacuum flow Refer to troubleshoo
5. ALVE RTRY UNION 000 168 175 1 55 ADJUSTING ROD 000 141 002 1 8 NIPPLE GEARBOX INSULATING 000 052 298 1 9 VALVE RELIEF 000 169 004 1 6 59 CLAMP HOOK MNFLD 000 033 048 1 62 PIN 5 32 x 1 ROLL 000 103 015 4 63 PIN 1 4 x 7 8 CLEVIS 000 103 012 2 64 PLUNGER 000 107 101 2 65 ADJUSTING NUT 000 094 030 1 10 RX 20 GEARBOX STOCK 000 107 091 11 PLUG 1 4 BRASS 000 106 002 1 12 MOTOR ELECTRIC HP STK 000 191 006 1 13 SCREW 10 24 x 3 8 S S BINHD 000 143 166 14 3 8 TITE BITE CONNECTOR 000 052 140 15 TERMINAL 10 RING 16 AWG 000 037 014 16 TERMINAL 10 RING 12 AWG 000 037 016 17 ELECTRIC MOTOR WIRE ASSY 604 052 008 Bo 18 CLAMP 1 2 NYLON 000 033 022 1 66 LINK 000 107 097 4 19 SCREW 48x 1 9 HXWSHDSM 000 143 118 2 67 RING SNAP 000 139 006 2 20 BRACKET HOOD 000 015 066 1 68 PIN 5 32 x 1 2 COTTER 000 103 013 2 23 WHEEL 5 PLASTIC 000 177 008 4 71 TRIGGER POWER 000 167 010 1 25 SCREW 3 8 16 x 1 HMC 000 143 018 4 26 O RING CAST GEARBOX SHAFT 000 097 009 74 SCREW 6 32 x 1 RHM 000 143 048 2 27 SPACER 1 GEARBOX SHAFT 000 154 013 1 75 1 76 HANDLE PIG TAIL 604 051 011 1 30 SCREW 5 16 18 x 1 172 BTHDC 000 143 164 2 31 BASE RX 20 SIDE PORT 000 006 008 1 32 AXLE FRONT SKID 000 141 010 1 80 NIPPLE 1 4 BRASS HEX 000 052 071 1 33 SCREW 5716 18 x 3 4 BTHDC 000 143 142 8 82 1 4Mx 1 4 M ELBOW 000
6. ING YOUR RX 20 1 CONTROL FUNCTIONS There are control triggers located on each side of the handle under the rubber hand grips see illustration 1 As you operate the RX 20 trigger A on your right hand side controls the electric motor that drives the cleaning heads On the left hand side trigger B controls the high pressure solution spray The vacuum remains on constantly while the RX 20 is in operation 2 MANEUVERING YOUR RX 20 Your RX 20 maneuvers like a rotary floor machine see illustration 2 To move the RX 20 to the RIGHT lift the left handle slightly To move it to the LEFT push down on the left handle slightly The more you lift or lower the handle the faster the RX 20 will move To move forward and backward position the handle so that the unit remains stationary then push forward or pull back To familiarize yourself with your RX 20 practice on an open carpeted area Depress both the solution trigger and motor trigger and move the RX 20 SLOWLY in a 3 to 5 ft arc as shown in the cleaning patterns below CAUTION Do not operate your RX 20 on dry carpets The friction generated by the revolving cleaning heads may damage fibers in the carpet Once you have become familiar with the speed and movement of the machine practice making it hover in one spot The hovering maneuver is useful for removing stubborn stains as well as removing furniture indentations Do not tilt machine sideways while moving forward a
7. ase exhaust manifolds handle and gearbox housing are all sand cast aluminum Cleaning heads and rotating hub are cast stainless steel Other parts are either metal or high impact plastic 4 3 x WERE STRETTE Aiea ac ek i 2 i IE BE IE e CL mE DDD t ep nm Lara Aceitamos nme EXTRACTED SOIL SPECIFICATIONS AND CAPACITIES LENGIR o 22 20 02 00 0 a E adc hey ea 27 in BASE WIDTH 0 0 cee ees 15 in HEIGHT ss na ie ees eee ee 45 in WEIGHT 2 52 2332 dee habs t Seuss 88 Ibs MOTOR sms ri 54 ASS SS edi 115 v 1 2 hp GEARBOX 1725 rpm input 90 rpm output OIL CAPACITY 2 50 24 dere et eine AB EDS 14 oz PREPARING YOUR RX 20 FOR OPERATION 1 REMOVE PACKAGING Carefully lay your RX 20 on its side and remove the styrofoam block which surrounds the cleaning head CAUTION Do not attempt to operate your RX 20 while it is on its side Damage to the unit may result 2 HANDLE ADJUSTMENT Your RX 20 has been shipped fully assembled with the adjustable handle in its full upright position After the packaging has been removed loosen the adjustment knob located just below the handle grips knob C in illustration 1 tum counter clockwise to loosen clockwise to tighten Ad just the handle to a comfortable height Several adjustments may be needed before a desirable operating position is found NOTE Most operators have found
8. better control and less fatigue when the handle is in a low position just around the hip line There is an ideal position for each person which will ensure the RX 20 will do the work instead of you 3 SOLUTION AND VACUUM HOSE HOOKUPS Your RX 20 is equipped with a 440 male quick connect for the solution hose hookup and a 2 in O D vacuum hose inlet Refer to illustration 1 A solution hose with a 440 female quick connect is required The vacuum inlet requires a 2 in 1 D vacuum hose for proper air flow with a truck mounted system IMPORTANT The vacuum hose must be in good condition to ensure maximum airflow If you do not have a 440 female quick connect and cannot find it locally it can be ordered from the Hydra Master Parts Depart ment Call 206 775 7276 and request part 052 051 440 QC 4 ELECTRICAL CORD HOOK UP The 50 ft electrical cord on your RX 20 is a detachable 3 prong grounded line requiring a 3 prong 15 amp receptacle A 3 prong to 2 prong adapter may be used providing its ground wire is properly attached to a grounded terminal CAUTION DO NOT UNDER ANY CIR CUMSTANCES REMOVE THE GROUND PRONG FROM YOUR RX 20 POWER CORD SERIOUS INJURY OR DEATH MAY RESULT To connect the power cord to the unit insert the male twist lock plug from the unit into the female end on the power cord and twist until they are securely locked together see illustration 1 1 N 5 O eg u Mer wt gt OPERAT
9. er that REMOVAL OF COMPONENTS FELT VACUUM SEAL REPLACEMENT A worn or unlubricated seal will not form a proper seal which will impair the vacuuming capabilities of the unit and result in carpets being left wetter than is desirable First remove vacuum head assembly as previously described Using a pocket knife carefully pry the seal up and lift it out see illustrations 14 lf the seal appears worn or glazed so that it wont lubricate well try turning it over If that doesn t work or if it is damaged replace it with a new one Press seal in place and saturate it with a quality 30 weight SAE motor oil This seai and its condition play an important part in the optimum performance of your RX 20 COMPRESSED NON USABLE SIDE HELPFUL HINT Always keep your spare felt seal soaking in a tuna fish can with 30 weight oil By soaking the felt in oil it will fluff up We recommend changing the felt seal after 10 hours of use Replace it with the spare soaked seal and always place the flattened used seal back in the oil bath HIGH PRESSURE VALVE ASSEMBLY The valve assembly s moving parts will eventually wear out in time Its repair or replace ment is a relatively simpie operation see illustration 15 Remove 440 male quick connect with a wrench Remove the 5 allen head screws in the back plate on the han die and lift back panel off Disconnect the stainless steel hose from bottom of the valve assembly Remove t
10. he bolt holding the trigger Remove the two bolts holding the valve assembly in handle and pull out Mo O DDP The valve many now be rebuilt or replaced CAUTION f the valve has been frozen inspect it for leakage before reinstalling the back plate FREEZE WARNING AND PROTECTION Your RX 20 can sustain damage from freezing as can any equip ment that functions with the use of water Care must be taken to protect this tool from freezing just as you do your other equipment To protect it from freezing simply blow air from a gas station air hose through the solution quick connect with the valve open This will blow all water from the valve solution line rotary union and jet assembly Open and close valve several times to ensure that all water is removed PARTS AND ASSEMBLIES Hydra Master has every part in stock For parts ordering or servic ing call PARTS DEPT SERVICE DEPT 206 7757276 206 775 7275 CHECK FOR A REGISTERED HYDRA MASTER SERVICE CENTER IN YOUR AREA AVAILABLE SERVICE KITS KIT NO 078 019 078 065 Solution Valve Kit Rotary Union Repair Kit HOURS MONDAY THROUGH FRIDAY 7 00 AM TO 6 00 PM PACIFIC STANDARD TIME ROCK MT TELEPHONE NUMBERS GENERAL OFFICES PARTS DEPT SERVICE WARRANTY NEW EQUIPMENT SALES AND MARKETING 206 775 7272 206 775 7276 206 775 7275 1 800 426 1301 CENTRAL sera St Rt ltt Pia TS etait abt ny q r et ne
11. nd backward A loss of contro may result in damage to the unit or location see illustration 3 INCORRECT INCORRECT RX 20 CLEANING PATTERNS For regular carpet cleaning use Pattern A see illustration 4 three times over the same area two passes with solution on and one pass for drying When shampooing carpets first use Pattern B see illustration 5 applying shampoo in a circular motion then use Pattern A to dry the area NOTE Dirtiest areas may require 2 or more cleaning passes Using either pattern you should develop a comfortable rhythmn To obtain maximum performance from your RX 20 move it slowly and deliberately with 50 overlap giving it time to clean and extract unlike a manual wand the RX 20 is doing the work you had to do in the past A steady pace rather than a frenzied one will increase efficiency and production and decrease fatigue Always overlap passes about 50 PATTERN A Overlapping arc pattern to 5 na a PATTERN B Shampoo pattern 3 to 5 feet THE FOLLOWING CAUTIONS SHOULD BE OBSERVED WHILE CLEANING WITH YOUR RX 20 1 DO NOT operate your RX 20 over metal floor moldings Damage to both the molding and the cleaning head will result 2 DO NOT operate your RX 20 on hardwood floors 3 DO NOT operate your RX 20 over loose or unraveled carpet seams The cleaning head may catch and cause further damage 4 DO NOT operate your RX 20 on concrete floors It will de
12. om Example DIRECTION OF CLEANING DIRECTION OF CLEANING Ata ae gie ini ER Era eet a da gt x EN ta ER 4 8 dii T l wee hae e a Caro PERL reer B The RX 20 is a very aggressive carpet cleaning powerhead and will leave the carpet with a freshly washed appearance The carpet should be brushed or groomed after the cleaning pro cess to remove any swirl marks left behind The RX 20 has been very successful in restoring badly matted traffic lanes in front of doorways and sofas Even pivot areas can be brought back to life again in most cases Cornrowing in hallways can also be eliminated with minimal effort RX 20 MAINTENANCE Good care and regular maintenance of your RX 20 will result in a long dependable life of the unit Keep in mind that your RX 20 will be in full view of your customer therefore an RX 20 that is dir ty and unkempt in appearance can cause your image to suffer Because you are offering your customer the latest in cleaning technology it is equally important that your company image also reflect your desire to give your customer THE BEST The surface finish on your RX 20 is a durable baked on epoxy coating and is easily cleaned with a damp cloth To further protect the finish a light coat of a good silicon base polish should be ap plied periodically Lubrication and maintenance play a key role in the life of your RX 20 therefore the following daily and pe
13. riodic maintenance steps must be followed Train yourself to maintain your unit on a regular schedule until it becomes habitual DAILY 1 Inspect power cord for cuts breaks etc Repair as needed 2 Visually inspect your RX 20 for water leaks damage to the cleaning heads etc Repair as necessary 3 Remove in line solution filter screen see illustrations 7 by unscrewing the 7 8 in hex nut protruding from the back of the handle as shown below Rinse under water to remove debris If necessary use a toothbrush to remove stubborn particles 4 Check jet spray for evenness An uneven spray will cause improper flow of the cleaning solution see illustration 8 D ALN CA fo WNN UNEVEN DRIBBLE CORRECTLY ATOMIZED 5 Inspect vacuum hoses for breaks or tears Repair or replace as necessary 6 Remove the cleaning head by giving it a sharp blow with the heel of your shoe against the rear of the vacuum head see illustrations 9 The cleaning head unscrews in the same direc tion it turns during operation or clockwise when looking at it from the underside Once you have loosened the assembly spin it off with your hands Wash the cleaning heads and shroud assembly with a garden hose being careful not to wet the elec tric motor assembly Clean any lint build up from the cleaning heads and vacuum hoses lint build up will restrict proper airflow and prolong drying time 7 Lubricate the felt vacuum seal on top
14. t DP Pott Steel aa fr PED Nat a Mog es dels N Neg IE UA t RARE a EREE coa RE EPR SZ PARANA ta FINE oia DEE N ee PERSA BAD PENA ro ARE et A Mirto A giga obi oe RE ERT PE pe SS Be Ih A gt a Ne sd a NA ig N3 NA de j A 377 i ni d 4 st TAM ta N en fe Rh Ms mi aY T P ae an d y B 4 A y o U pte ne Y pulos h pr P ct q e it ma A db a a Ce ay See ey T Pee fr e A pe op der i 5 Ea 4 SF A ty Sat dy bys de o A Pt e h DI RD q rst ies ER i nad E 2 Di LAI Te Pd pori stai TAS k alla sA e ri 5 wx a dda h ites Grek 2 nr SY a PEA TR RINT RS LGA Spe RA ITA RETTA RAZZA RP TI AA eg Ye gps quem ion RR E ee rg de ce dr neo eh A fob LIMITED WARRANTY F Ra ci HYDRA MASTER warrants to the original pur chaser user that this product is unconditionally guaranteed free from defects in workmanship and materials under normal use and service for a period of 1 year HYDRA MASTER will at its option repair or replace without charge except for transportation costs parts that fail under normal use and service when operated and maintained in accordance with the Instruction Manual This warranty does not apply to normal wear or to items whose life is dependent on their use and care This warranty is in lieu of all other warranties ex pressed or implied and releases HYDRA MASTER from all other obligations and liabilities It is ap an o Fri LL ER SA VR ia A a VETO tr oe NU Se e ee te
15. the RX 20 in your business will turn you into a professional carpet cleaning OPERATOR rather than a professional LABORER Once again congratulations to another cleaning professional who won t wait for tomorrow and won t have to compete against the RX 20 the competition will have to try and compete with you H Aa a E RRR Se ada EEEE CR id die l hi EINEN GEO AE E CS 5 Li io l 77 eee Pee an D 3 3 Last Ca in ee i N E TAC i i L i TREN MAENE E Melt es POR Zu ur AN EVOLUTION THAT HAD TO HAPPEN Your new RX 20 has been precision engineered to bring you to the state of the art in carpet cleaning In the past a wand operator had to supply all the pressure and motion to do the cleaning The RX 20 s weight distribution and rotary motion enable the operator to maneuver the unit easily with less fatigue and without back strain The RX 20 s electric motor drives its precision transmission which in turn rotates the star assembly at 90 rpm Cleaning solution is injected through the center of the gearbox shaft directly to the five spray jets Soiled solution is then extracted from the carpet by five cleaning heads and drawn through the aluminum exhaust manifold to your cleaning system s recovery tank NOTE The operating temperature and pressure of the cleaning solution as well as the vacuum power depends entirely on the type of cleaning system you use CONSTRUCTION B
16. ting section of power source equipment manual Restricted jets Remove jets and clear them of debris Low water flow Clogged water strainer Remove water strainer and clean at cleaning heads can SR nr cause irregular water i or clogged solution Remove hose repair or replace tem P Cleaning hub not properly Remove cleaning hub from shaft clean and threaded to shaft re thread onto shat OO Water leak at rotary Foreign matter in rotary Dismantle rotary union clean reassemble and union union seal install on the RX 20 lt gt gt gt Waterleak ai vane Ruptured plunger or Repair or replace damaged plunger o ring seal valve O ring Check for freeze damage RE Loss of oil from gearbox Loose or ruptured oil seal Replace damaged oil seal refill gearbox with oil RX 20 wiring or power Have an electrician inspect unit for possible source wiring or motor problems en INo power Overload power source Locate an unused power source Gearbox Repair or replace gearbox PRINTED IN USA 1987 Hydra Master Corporation 2 CORINTHIANS 3 5
17. velop sharp edges on the extraction heads that will damage carpet fibers 5 DO NOT clean over the edge of a loose carpet Instead clean only up to the edge Damage may occur should the extraction heads catch the loose carpet SPECIAL INFORMATION During the cleaning of some plush carpets you may notice a pill ing effect With an RX 20 loose yarns form balls and are kicked aside as the cleaning heads revolve This is normal when agressive cleaning or even normal vacuuming takes place as evidenced by a number of dead loose yarns in the vacuum cleaner bag These loose yarns in most cases are short staple yarns or filler yarns used to give the carpet a denser appearance Because your RX 20 weighs approximately 90 Ibs and rests on 5 four inch cleaning heads the yarns are not sucked up into the vacuum heads as they are with a vacuum cleaner or old style cleaning wand CAUTION On older rubber backed glued down carpets that may be delaminating with age the RX 20 may cause further delamina tion When in doubt DO NOT use your RX 20 CLEANING HINTS A Most cleaners customarily clean their way out of an area or room With the RX 20 it is possible to clean into an area or room so that the hoses are dragged behind you during the clean ing process rather than kicked out of the way as you back out of an area The cleaning into method works especially well in hallways or confined areas see illustration 6 6 Hall Example Ro
Download Pdf Manuals
Related Search