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HydraMaster Chem-Dry PowerHead, Owner'S Manual

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HydraMaster Chem-Dry PowerHead Owner'S Manual Download Page 46

Repair: 

 

9-2

 

 

Harris Research, Inc.

Chem-Dry

®

 

PowerHead

®

HIGH PRESSURE VALVE ASSEMBLY

In the event that the valve assembly 
needs to be replaced, follow this 
procedure (see Figure 9-3).
 

1.  Remove the 440 male quick 

connect (A) with a wrench. 

2. 

Remove the five hex head screws 

(B) in the back plate on the handle 
and lift the back panel off. 

3.  Disconnect the stainless steel 

hose from the bottom of the valve 
assembly (C). 

4.  Remove the bolt (D) holding the 

trigger. 

5.  Remove the two bolts (E) holding the valve assembly in the handle.
6.  The valve may now be rebuilt or replaced. 

If the valve has been frozen, inspect it for leakage before re-installing the back 
plate.

Figure 9-3.  Valve Assembly Parts

B

A

C

D

E

B

B

Summary of Contents for Chem-Dry PowerHead

Page 1: ...t 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 Harris Research Inc Specifications and information in this document are subject to change without prior notice All rights reserved 2014 Harris Research Inc ...

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Page 3: ... Cleaning Patterns 5 1 Special Information 5 2 Cleaning Hints 5 3 MACHINE MAINTENANCE SECTION 6 Daily Maintenance 6 1 Periodic Maintenance 6 3 Transport and or Storage 6 4 Freeze Warning and Protection 6 4 ELECTRICAL DIAGRAMS SECTION 7 ASSEMBLIES AND PARTS LISTS SECTION 8 PowerHead Final Assembly Parts List 8 3 Base and Drive Train Assembly Parts List 8 6 Upper and Lower Handle Assembly Parts List...

Page 4: ...em Dry PowerHead Owner s Manual ii Harris Research Inc Chem Dry PowerHead REPAIR SECTION 9 Felt Vacuum Seal 9 1 High Pressure Valve Assembly 9 2 TROUBLESHOOTING SECTION 10 LIMITED WARRANTY PLAN SECTION 11 ...

Page 5: ...e 6 6 Remove Retaining Clip with Screwdriver 6 4 Figure 6 7 Tighten Setscrew 6 4 Figure 7 1 Wiring Diagram 120 V 60 Hz 7 1 Figure 8 1 PowerHead Final Assembly 8 2 Figure 8 2 Base and Drive Train Assembly View 1 of 2 8 4 Figure 8 3 Base and Drive Train Assembly View 2 of 2 8 5 Figure 8 4 Upper and Lower Handle Assembly View 1 of 3 8 7 Figure 8 5 Upper and Lower Handle Assembly View 2 of 3 8 8 Figur...

Page 6: ...Chem Dry PowerHead Owner s Manual iv Harris Research Inc Chem Dry PowerHead This page intentionally left blank ...

Page 7: ...ional laborer Once again congratulations to another Chem Dry cleaning professional who will not wait for tomorrow and who will not have to compete against the PowerHead The competition will have to compete with you AN EVOLUTION THAT HAD TO HAPPEN Your new PowerHead has been precision engineered to bring you to the state of the art in carpet cleaning In the past a wand technician had to supply all ...

Page 8: ...ir of this machine please contact your local distributor 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 ___________________________________ ...

Page 9: ...CES The manufacturer 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 ...

Page 10: ...General Information 1 4 Harris Research Inc Chem Dry PowerHead This page intentionally left blank ...

Page 11: ...aceable Spring Steel Arms Cleaning Heads Five Cast Aluminum Solution Jets Five Stainless Steel 95015 Solution Strainer Mesh Stainless Solution Valve Stainless Steel High Pressure Cleaning Rate Five Heads Rotating at 130 rpm 650 Cleaning Passes Minute Handle Assembly Foam Grips Adjustable Height Transportation Wheels 8 diameter 1 1 2 Wide Gray Non Marking Electric Cord 50 ft 14 3 The operating temp...

Page 12: ...Machine Specifications 2 2 Harris Research Inc Chem Dry PowerHead This page intentionally left blank ...

Page 13: ...e base a Lean the machine back and rest it on the handle b Thread the star assembly cleaning head onto the exposed shaft in a counterclockwise direction Remove the solid shipping plug from the top of the gear box and replace it with the vented plug provided before operating the machine see Figure 3 1 and Figure 3 2 Failure to follow these directions may result in damage to the gear box and seal 5 ...

Page 14: ...Assembly Instructions 3 2 Harris Research Inc Chem Dry PowerHead This page intentionally left blank ...

Page 15: ...40 stainless steel male quick connect for the solution hose and an 1 vacuum hose inlet refer to Figure 4 1 The vacuum inlet requires a 1 I D and a 2 O D vacuum hose for proper air flow The vacuum hose must be in good condition to ensure maximum airflow Electrical Cord Connection The 50 ft electrical cord on your PowerHead is a detachable three prong grounded line requiring a three prong 15 Amp rec...

Page 16: ...r controls the low pressure carbonating solution spray The air flows constantly while the PowerHead is in operation MANEUVERING THE POWERHEAD Your PowerHead maneuvers like a buffer see Figure 4 2 1 To move the PowerHead to the right lift the handle slightly The more you lift or lower the handle the faster the PowerHead will move 2 Tomoveforwardandbackward positionthehandlesothattheunitremainsstati...

Page 17: ...4 3 A loss of control may result in damage to the unit or location EDGING TOOL The edging tool is located on the front right hand side of the PowerHead 1 To remove pull the edging tool upward until the alignment pin matches the large diameter of the key hole slot 2 Pull the tool away from the PowerHead and it is ready to use 3 When attaching it back onto the machine rest the end of the tool on the...

Page 18: ...Operating Instructions 4 4 Harris Research Inc Chem Dry PowerHead This page intentionally left blank ...

Page 19: ...uld develop a comfortable rhythm To obtain maximum performance from your PowerHead move it slowly and deliberately with a 50 overlap giving it time to clean and extract Unlike a manual wand the PowerHead 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 The following cautions should be observed while cl...

Page 20: ...ar on carpet surfaces it is caused by fibers that loosen because of weak twist or snags With a PowerHead loose yarns form balls and are kicked aside as the cleaning heads revolve This is normal when aggressive 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 us...

Page 21: ...ning into method works especially well in hallways or confined areas 2 The PowerHead is a very aggressive carpet cleaning machine and will leave the carpet with a freshly cleaned appearance The carpet should be brushed or groomed after the cleaning process to remove any swirl marks left behind The PowerHead has been very successful in restoring badly matted traffic lanes in front of doorways and s...

Page 22: ...Cleaning Information 5 4 Harris Research Inc Chem Dry PowerHead This page intentionally left blank ...

Page 23: ...rication and maintenance play a key role in the life of your PowerHead Hence the following daily and periodic maintenance steps must be followed Train yourself to maintain your unit on a regular schedule until it becomes habitual DAILY MAINTENANCE 1 Inspect the power cord for cuts breaks etc Repair or replace as needed 2 Inspect the vacuum hoses for breaks or tears Repair or replace as necessary 3...

Page 24: ...e rubber stopper available in the Harris Service Kit inside the threaded bore of the hub This will prevent debris from entering the solution lines and clogging the spray jets 9 Clean off any debris that may have accumulated on then gear box shaft or the inside threaded bore of the hub see Figure 6 3 10 Lubricate the felt vacuum seal on top of the hub with a quality 30 weight SAE motor oil see Figu...

Page 25: ...IODIC MAINTENANCE Oil Level Check the oil level in the gear box on a monthly basis This is a permanently lubricated gear box You do not need to change the oil However maintaining the proper oil level is important 1 To check the oil level remove the vent plug and look into the gear box 2 Turn the cleaning head until you can see the inspection hole in the gear 3 With the PowerHead sitting flat on a ...

Page 26: ... in order to even up the wear on the clamping pins TRANSPORT AND OR STORAGE Whenever your PowerHead is transported or stored it is recommended that the cleaning head star assembly be removed The machine will then sit flat on the floor and remain more stable especially during transport FREEZE WARNING AND PROTECTION Your PowerHead can sustain damage from freezing as can any equipment that functions ...

Page 27: ...7 1 Electrical Diagrams Chem Dry PowerHead 7 Electrical Diagrams Figure 7 1 Wiring Diagram 120 V 60 Hz 6037 ...

Page 28: ...Electrical Diagrams 7 2 Chem Dry PowerHead This page intentionally left blank ...

Page 29: ...ssemblies are detailed in this section PowerHead Final Assembly Parts List Base and Drive Train Assembly Parts List Upper and Lower Handle Assembly Parts List Vacuum Head Assembly Parts List Handle Locking Linkage Assembly Parts List Valve Stem Assembly Parts List Solution Valve Assembly Parts List Vacuum Shoe and Skid Assembly Parts List ...

Page 30: ...Assemblies and Parts Lists 8 2 Harris Research Inc Chem Dry PowerHead Figure 8 1 PowerHead Final Assembly 604 999 012 Rev B ...

Page 31: ...acuum X 34 Lg Gray 1 7 000 068 127 Hose Assembly 5 16 PTFE Teflon 48 5 Lg 1 8 000 052 521 Nipple 1 8 NPT X 1 4 JIC 1 PowerHead Final Assembly Parts List 9 000 052 522 Rotary Union S S 1 10 000 143 107 Screw 10 24UNC X 3 8 Lg Button HS 2 11 000 143 096 Screw 3 8 16UNC X 1 00 Lg Hex Head 3 12 000 131 027 Trimlok 1 8 X 3 8 X 1 0 Lg 1 13 000 131 027 Trimlok 1 8 X 3 8 X 14 50 Lg 1 14 000 131 027 Trimlo...

Page 32: ...nd Drive Train Assembly View 1 of 2 604 054 101 Rev D Prior to operating the machine replace the shipping plug P N 000 106 001 with the vented plug P N 000 106 014 See page 3 1 in this manual for more information This is part of motor P N 000 091 015 This is part of motor P N 000 091 015 ...

Page 33: ...Harris Research Inc 8 5 Assemblies and Parts Lists Chem Dry PowerHead Figure 8 3 Base and Drive Train Assembly View 2 of 2 604 054 101 Rev D ...

Page 34: ... Item Part Number Description Qty Item Part Number Description Qty 8 000 106 001 Plug 1 8 NPT 1 9 000 140 003 Rivet 1 8 X 5 16 Lg 8 10 000 143 166 Screw 10 24UNC X 3 8 Lg Hex Head 2 11 000 143 075 Screw 1 4 20UNC X 1 50 Lg Socket Head 4 12 000 143 096 Screw 3 8 16UNC X 1 00 Lg Hex Head 3 13 000 174 057 Washer 3 8 Lock 3 14 000 174 055 Washer Flr Tech Latch Pivot 3 Prior to operating the machine re...

Page 35: ...Harris Research Inc 8 7 Assemblies and Parts Lists Chem Dry PowerHead Figure 8 4 Upper and Lower Handle Assembly View 1 of 3 604 051 101 Rev H ...

Page 36: ...Assemblies and Parts Lists 8 8 Harris Research Inc Chem Dry PowerHead Figure 8 5 Upper and Lower Handle Assembly View 2 of 3 604 051 101 Rev H ...

Page 37: ...Harris Research Inc 8 9 Assemblies and Parts Lists Chem Dry PowerHead Figure 8 6 Upper and Lower Handle Assembly View 3 of 3 604 051 101 Rev H ...

Page 38: ...C Nylock 1 25 000 094 036 Nut 1 2 NPT Pipe 1 26 000 105 018 1 Plate Serial I D 1 Item Part Number Description Qty Item Part Number Description Qty 27 000 108 012 Protector Power Cord Relief 1 28 000 052 516 Quick Connect 440 Male w Viton 1 29 000 157 149 Relay AC Relay 120V 1 30 000 139 009 Ring Snap Ring E Clip X 1 2 2 31 000 139 010 Ring Snap Ring E Clip X 5 16 4 32 000 040 003 Rivet 1 8 X 5 16 ...

Page 39: ...Harris Research Inc 8 11 Assemblies and Parts Lists Chem Dry PowerHead Figure 8 7 Vacuum Head Assembly 604 053 004 Rev B Order P N 000 107 0401 when replacing items 5 and or 10 ...

Page 40: ... 000 052 515 Nipple 1 8 NPT X 4 Lg 5 8 000 094 019 Nut 1 2 13UNC Hex 1 9 000 094 009 Nut 1 4 20UNC Nylock 5 Item Part Number Description Qty Item Part Number Description Qty 10 000 139 001 Ring Plastic 1 11 000 143 045 Screw 1 2 Modified Star Removal Bolt 1 12 000 143 162 Screw 5 16 X 1 Lg Stipper 1 4 20UNC 5 13 000 143 012 Screw 5 16 18UNC X 3 4 Lg 5 14 000 107 089 Assembly Star 1 15 000 174 003 ...

Page 41: ...Rev B Handle Locking Linkage Assembly Parts List 1 000 107 097 Link 4 2 000 094 030 07 Nut Adjusting Linkage Handle Locking 1 3 000 103 012 Pin 1 4 X 7 8 Clevis 2 4 000 103 013 Pin Cotter 2 5 000 107 256 Plunger Handle Latching 2 6 000 139 006 Ring 5 8 Snap 2 Item Part Number Description Qty 6 2X 4 2X 1 4X 5 2X 2 3 2X ...

Page 42: ... 012 003 Rev A 1 2 5 4 3 Valve Stem Assembly Parts List 1 000 097 022 O Ring 3 32 X 1 16 1 2 000 097 010 O Ring Valve Plunger Large 1 3 000 107 129 Plunger Solution Valve 1 4 000 139 024 Ring Solution Valve Keeper S S 1 5 000 139 004 Ring Solution Valve Stem Snap Ring S S 1 Item Part Number Description Qty ...

Page 43: ...alve Assembly 000 169 047 Rev C Solution Valve Assembly Parts List 1 000 027 026 Cap Solution Valve S S 1 2 000 097 011 O Ring 5 8 X1 16 W 1 3 600 012 003 Assembly Valve Stem S S 1 4 000 155 003 Spring Solution Valve 1 5 600 012 001 Valve Body Welded 1 Item Part Number Description Qty 1 4 3 5 2 ...

Page 44: ...igure 8 11 Vacuum Shoe and Skid Assembly 000 064 022 Rev C Vacuum Shoe and Skid Assembly Parts List 1 000 057 048 Gasket Vacuum Head 1 2 000 064 030 Head Shoe 4 Cast One Piece 1 3 000 094 058 Nut 10 32 Nylock 2 4 000 107 049 07 Skid Vented 1 Item Part Number Description Qty ...

Page 45: ...appears worn or glazed so that it will not lubricate well turn it over see Figure 9 1 If that does not work or if it is damaged replace it with a new seal 3 Chem Dry recommends changing the felt seal after 10 hours of use Replace it with a seal that has been pre soaked in a quality 30 weight SAE motor oil 4 Press the seal in place and saturate it with the motor oil If a flattened seal will be re u...

Page 46: ...ive hex head screws B in the back plate on the handle and lift the back panel off 3 Disconnect the stainless steel hose from the bottom of the valve assembly C 4 Remove the bolt D holding the trigger 5 Remove the two bolts E holding the valve assembly in the handle 6 The valve may now be rebuilt or replaced If the valve has been frozen inspect it for leakage before re installing the back plate Fig...

Page 47: ...ible Cause Solution 2 1 Restricted jets Remove jets and clear them of debris 2 2 Kinkedorcloggedsolution hose Remove hose Repair or replace 2 3 Cleaning hub not properly threaded Remove cleaning hub from shaft to shaft Clean and rethread onto shaft 3 0 WATER LEAK AT ROTARY UNION Possible Cause Solution 3 1 Foreign matter in rotary union seal Dismantle rotary union Clean Re assemble and install 4 0...

Page 48: ...rHead wiring or power source Have an electrician inspect unit for possible wiring or motor problems 6 2 Overloaded power source Locate an unused power source 6 3 Gear box Repair or replace gear box 7 0 HEAD WOBBLES DURING OPERATION Possible Cause Solution 7 1 One leg of cleaning head is bent Straighten leg ...

Page 49: ...s HRI in writing of such alleged defect HRI will pay all freight and transportation charges within the United States via normal ground shipping means for replacement of parts covered under this warranty This warranty covers parts as specified and does not cover labor which may be necessary in completing repairs HRI s liability to the Chem Dry Franchisee owner whether in contract or in tort arising...

Page 50: ...hich results in deposits will VOID all warranties on affected components All recommended maintenance must be performed by authorized service personnel Records of periodic maintenance must be kept and copies may be required to be furnished to HRI before this warranty is honored Coverage Schedule Frame Handle Body 3 years Gearbox 1 year Motor 1 year Valves Hoses 1 year ...

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