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Summary of Contents for HydraMaster RX-20

  • Page 2: Table Of Contents

    RX-20/CMX-20 Table of Contents Page Introduction .............. 1 Machine Specifications ..........2 Assembly Instructions ..........3 Operation ..............4 Cleaning Information..........6 Machine Maintenance ..........8 Machine Assembly Drawings and Parts Lists ....11 Repair ..............16 Troubleshooting ............17 Limited Warranty Plan ..........
  • Page 3: Rx-20/Cmx-20

    Using the RX-20 in your business will turn you into a professional carpet cleaning operator, rather than a professional laborer.
  • Page 4: Machine Specifications

    Page 2 RX-20/CMX-20 Machine Specifications RX-20 WDR High Speed RX-20 CMX-20 WDR High Speed CMX-20 23" 23" Length: Base Width: 15" 15" 43" Height: 43" 72 lbs Weight: 70 lbs Motor: 115 V, 1/2 HP TEFC 115 V, 1/2 HP TEFC...
  • Page 5: Assembly Instructions

    RX-20/CMX-20 Page 3 Assembly Instructions To prepare your machine for use, If you purchased a High Speed RX-20, follow these instructions: it may require assembling if it was shipped in two separate boxes. a) Remove the machine from the packaging. Inspect the machine...
  • Page 6: Operation

    20 power cord. Serious injury or death ideal position for each person which may result. To connect the power cord will ensure the RX-20 will do the to the unit, insert the male twist-lock work instead of you. plug (from the unit) into the female end (on the power cord) and twist u n t i l 2.
  • Page 7: Operating Instructions

    CAUTION drives the cleaning heads. On the left hand side, the trigger controls Do not operate your RX-20 on dry the high pressure solution spray. carpets The friction generated by the The air flows constantly while the revolving cleaning heads may damage RX-20 is in operation.
  • Page 8: Cleaning Information

    Page 6 RX-20/CMX-20 Cleaning Information Cleaning Patterns 2. DO NOT operate your RX-20 on hardwood floors. For regular carpet cleaning use an over- lapping arc pattern three times over the 3. DO NOT operate your RX-20 over same area (two passes with solution and loose or unraveled carpet seams.
  • Page 9 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, as shown in the illustration below, so that the hoses are dragged behind you during the...
  • Page 10: Machine Maintenance

    Keep in mind that the handle. Rinse under water to your RX-20 will be in full view of your remove debris. If necessary, use a customer. An RX-20 that is dirty and...
  • Page 11 RX-20/CMX-20 Page 9 30 weight SAE motor oil. Also, put assembly, spin it a few drops into the hub threads. with your hands. If the clean- ing head is difficult to remove, you may use a ¾ inch socket wrench on the ex- posed center nut.
  • Page 12: Periodic Maintenance

    Turn the star until you can see the inspection hole in the gear. With Check for a registered HydraMaster the RX-20 sitting flat on a table or Service Center in your area. the floor, the oil level should be up to, but not above, the middle of the gear.
  • Page 13: Machine Assembly Drawings And Parts Lists

    RX-20/CMX-20 Page 11 Machine Assembly Drawings and Parts Lists Figure 1 High Speed Handle Assembly HydraMaster Corporation 8/4/99...
  • Page 14 Page 12 RX-20/CMX-20 Figure 2 High Speed Base Assembly HydraMaster Corporation 8/4/99...
  • Page 15 Ring, Snap Ring (E-Clip) x ½” 000-139-010 Ring, Snap Ring (E-Clip) x " 000-141-004 Axle, Hi Speed RX Wheel 000-141-005 Rod, Hi Speed RX-20 Handle Arc 000-141-006 Rod Assy, Hi Speed RX Handle Adjusting 000-020-004 Collar, ” Set 000-041-013 Cover, Handle Access...
  • Page 16 Handle, RX Express Base - Lift 000-052-276 Rotary Union, ” NPT 000-078-108 Kit, Roto Shroud Bumper and Rivet 000-105-008 Plate, Cast RX-20 Base - Seal 000-106-014 Plug, RX-20 Gearbox Vent 000-143-166 Screw, 10-24 x ” s/s BTN HD Cap 604-052-005...
  • Page 17 RX-20/CMX-20 Page 15 ITEM PART NO DESCRIPTION 000-094-009 Nut, 5/16-18 s/s Nylock Half 000-107-0201 Hub with Ring, Double Lead Thread 000-107-089 S/S Heat Treated Star 000-143-012 Screw, 5/16-18 x ¾” s/s HHC 000-143-162 Screw, 5/16 x 1" Stripper - 1/4-20 s/s...
  • Page 18: Repair

    If the valve has been frozen, inspect it for not require a large amount of oil.) This leakage before reinstalling the back plate. seal and its condition play an important part in the optimum performance of your RX-20. HydraMaster Corporation 8/4/99...
  • Page 19: Troubleshooting

    RX-20/CMX-20 Page 17 Troubleshooting Problem/Possible Cause Solution Low Vacuum Flow at the Cleaning Heads Hub not sealing properly. Replace felt seal with a lubricated one. Restricted air flow. Remove jets and clear them of debris. Low vacuum flow from power Refer to Troubleshooting section of source.
  • Page 20 Loose or ruptured oil seal. Replace damaged oil seal. Refill gearbox with oil. Problem/Possible Cause Solution No Power. RX-20 wiring or power source. Have an electrician inspect unit for possible wiring or motor problems. Overload power source Locate an unused power source. Gearbox...
  • Page 21: Limited Warranty Plan

    HydraMaster unless otherwise specified in the listing below. HydraMaster agrees, at its option, to repair at the point of shipment, or to replace without charge, any parts or parts of products of HydraMaster’s manufac- ture, which within the specified warranty period shall be proved to HydraMaster’s...
  • Page 22 All components not specifically referenced in the schedule below are covered under this warranty for a period of one (1) year, excepting those parts which are considered, by HydraMaster, to be expendable in normal use, including but not lim- ited to paint, labels and other cosmetic parts or features.

This manual is also suitable for:

Cmx-20

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