HydraMaster RX20 NEXTGEN 120 VAC Manual de usuario

RX-20 Rotary Extractor
Owner’s Manual
Models 700-041-006 and 700-041-007
HydraMaster
11015 47th Avenue West
Mukilteo, Washington 98275
MAN-33272 Rev. 5, August 23, 2013
(000-182-006)
No part of this manual may be reproduced or used in any form or by any means (i.e. graphic, electronic, photocopying or electronic
retrieval systems) without the express written permission of HydraMaster. Specications and information in this document are
subject to change without prior notice.
All rights reserved. © 2013 HydraMaster
DOMESTIC AND INTERNATIONAL

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i - RX-20 / CMX-20 Owner’s Manual
RX-20
i - RX-20 Owner’s Manual
Table of Contents
INTRODUCTION..........................................................................................SECTION 1
Contact Information................................................................................. 1-2
Warnings, Cautions and Notices............................................................. 1-3
MACHINE SPECIFICATIONS......................................................................SECTION 2
Congurations.........................................................................................2-2
ASSEMBLY INSTRUCTIONS...................................................................... SECTION 3
OPERATING INSTRUCTIONS.....................................................................SECTION 4
Preparation..............................................................................................4-1
Operation ................................................................................................4-2
CLEANING INFORMATION.........................................................................SECTION 5
Cleaning Patterns....................................................................................5-1
Special Information .................................................................................5-2
Cleaning Hints.........................................................................................5-2
MACHINE MAINTENANCE..........................................................................SECTION 6
Daily Maintenance...................................................................................6-1
Periodic Maintenance..............................................................................6-4
Transport and/or Storage........................................................................6-5
Freeze Warning and Protection ..............................................................6-5
ELECTRICAL DIAGRAMS...........................................................................SECTION 7

RX-20 / CMX-20 Owner’s Manual - ii
RX-20
RX-20 Owner’s Manual - ii
ASSEMBLY DRAWINGSAND PARTS LISTS.............................................. SECTION 8
Final Assembly Parts List (120V) ...........................................................8-3
Final Assembly Parts List (230V)............................................................ 8-5
Final Assembly OS Parts List (230V)......................................................8-7
Base and Drive TrainAssembly Parts List .............................................8-9
Base and Drive TrainAssembly Parts List (230V) .................................. 8-11
Upper and Lower Handle Assembly Parts List (120V) ...........................8-14
Upper and Lower Handle Assembly Parts List (230V) ...........................8-17
Vacuum Head Assembly Parts List.........................................................8-19
Vacuum Head Assembly OS Parts List................................................... 8-21
Handle Locking Linkage Assembly Parts List ........................................8-22
Gear Box Assembly Parts List ................................................................8-23
Vacuum Shoe and Skid Assembly Parts List .......................................... 8-24
Vacuum Shoe and Cast Skid Assembly Parts List.................................. 8-25
Vacuum Head Assembly OS Parts List................................................... 8-27
Vacuum Shoe and Skid Assembly OS Parts List....................................8-28
Solution Valve Assembly Parts List......................................................... 8-29
Valve Stem Assembly Parts List..............................................................8-30
REPAIR AND REPLACEMENT....................................................................SECTION 9
Felt Vacuum Seal ...................................................................................9-1
High Pressure Valve Assembly ..............................................................9-2
TROUBLESHOOTING .................................................................................SECTION 10
WARRANTY INFORMATION.......................................................................SECTION 11

iii - RX-20 / CMX-20 Owner’s Manual
RX-20
iii - RX-20 Owner’s Manual
List of Figures
Figure 2-1. RX-20 Optional Equipment ....................................................................... 2-3
Figure 3-1. Fully Assembled RX-20............................................................................. 3-1
Figure 4-1. (1) Pull or Push on Adjustment Lever; (2) Location of 440 Male Quick
Connect; (3) Vacuum Hose Inlet ............................................................... 4-1
Figure 4-2. Location of Control Triggers and Momentary Switch
as Viewed from Front of Machine (Opposite of Operator’s Position)........ 4-2
Figure 4-3. Lift or Lower Handle to Maneuver; Illustration to the
Right Shows Incorrect Maneuver.............................................................. 4-3
Figure 4-4. Correct Cleaning Patterns......................................................................... 4-4
Figure 5-1. Clean into Area or Room........................................................................... 5-2
Figure 6-1. Remove Nut/Inline Filter............................................................................ 6-1
Figure 6-2. Check Jet Spray for Even Flow................................................................. 6-2
Figure 6-3. Loosen Cleaning Head Assembly............................................................. 6-2
Figure 6-4. Location of Rotary Union........................................................................... 6-2
Figure 6-5. Clean Off Debris from Gear Box Shaft...................................................... 6-3
Figure 6-6. Lubricate Vacuum Seal on Top of Hub...................................................... 6-3
Figure 6-7. Lubricate Shaft and Re-install Head Assembly......................................... 6-3
Figure 6-8. Remove Retaining Clip with Screwdriver.................................................. 6-4
Figure 6-9. Tighten Setscrew....................................................................................... 6-4
Figure 7-1. Wiring Diagram - 120 V, 60 Hz.................................................................. 7-1
Figure 7-2. Wiring Diagram - 230 V, 50 Hz.................................................................. 7-2
Figure 8-1. Final Assembly (120V).............................................................................. 8-2
Figure 8-2. Final Assembly (230V).............................................................................. 8-4
Figure 8-3. Final Assembly OS (230V)........................................................................ 8-6
Figure 8-4. Base and Drive TrainAssembly (120V) - View 1 of 2 ............................... 8-8
Figure 8-5. Base and Drive TrainAssembly (120V) - View 2 of 2 ............................... 8-9
Figure 8-6. Base and Drive TrainAssembly (230V) - View 1 of 2 ............................. 8-10
Figure 8-7. Base and Drive TrainAssembly (230V) - View 2 of 2 ..............................8-11
Figure 8-8. Upper and Lower Handle Assembly (120V) - View 1 of 2....................... 8-12
Figure 8-9. Upper and Lower Handle Assembly (120V) - View 2 of 2....................... 8-13

RX-20 / CMX-20 Owner’s Manual - iv
RX-20
RX-20 Owner’s Manual - iv
Figure 8-10. Upper and Lower Handle Assembly (230V) - View 1 of 2..................... 8-15
Figure 8-11. Upper and Lower Handle Assembly (230V) - View 2 of 2..................... 8-16
Figure 8-12. Vacuum Head Assembly....................................................................... 8-18
Figure 8-13. Vacuum Head Assembly OS................................................................. 8-20
Figure 8-14. Handle Locking Linkage Assembly ....................................................... 8-22
Figure 8-15. Gear Box............................................................................................... 8-23
Figure 8-16. Vacuum Shoe and Skid Assembly ........................................................ 8-24
Figure 8-17. Vacuum Shoe and Skid Assembly OS ................................................. 8-25
Figure 8-18. Solution Valve Assembly....................................................................... 8-26
Figure 8-19. Valve Stem Assembly............................................................................ 8-27
Figure 9-1. Carefully Pry Seal Up and Lift Out............................................................ 9-1
Figure 9-2. Quick Connect, Back Plate and Stainless Steel Hose
Removed from Upper Handle Assembly................................................... 9-2

1-1: Introduction
RX-20
1- Introduction
Congratulations,
You now own a piece of equipment that incorporates the latest in carpet, tile and grout
cleaning technology. Your foresight in purchasing an RX-20 shows that you care enough
to give your customer the maximum cleaning process available. You have invested in
not only a cleaning tool, but a marketing tool
that will enhance your professional image in
every way.
The RX-20’s features will almost certainly
increase your productivity while decreasing
the fatigue factor that may have prevented
you from going after some of the larger
cleaning jobs that are available to carpet
cleaners and maintenance professionals
today.
Your new RX-20 is a powerful Rotary Jet
Extractorthathasbeenprecisionengineered
to bring you to the state-of-the-art in carpet, tile and grout 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
head, or star, assembly. Cleaning solution is injected through the center of the
gear box shaft directly to the three spray jets.
Soiled solution is then extracted from the carpet by ve
stainless steel cleaning heads and drawn through the
aluminum exhaust manifold to your cleaning system’s
recovery tank.
The RX-20 is available in either the 120 V 60 Hz
version or the 230 V 50Hz/60Hz versions. Photos
and illustrations throughout this manual show only
the RX-20 120 V version due to space limitations.

Introduction: 1-2
RX-20
CONTACT INFORMATION
If you have any questions regarding the operation, maintenance or repair of this machine,
refer to the following information and contact the appropriate HydraMaster department.
Hours Telephone Numbers E-mail Addresses
Monday-Friday (425) 775-7275 Support Tech Support:
techsupport@hydramaster.com
7:00 a.m. to 5:00
p.m. (425) 775-7276 Parts Parts Support:
parts@hydramaster.com
Pacic Time
FAX
(425) 771-7156 - Parts
(800) 426-4225 - Support
When calling your distributor, be sure to reference the serial number and date of
purchase.
FOR YOUR REFERENCE:
Serial No.____________________________________________________
Date of Purchase:_____________________________________________
Purchased From (Distributor): __________________________________

1-3: Introduction
RX-20
WARNINGS, CAUTIONS AND NOTICES
HydraMaster uses this WARNING symbol throughout the manual to warn of
possible injury or death.
This CAUTION symbol is used to warn of possible equipment damage.
This NOTICE symbol indicates that federal or state regulatory laws may apply,
and also emphasizes supplemental information.

Introduction: 1-4
RX-20
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