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Read instructions carefully before attempting to assemble, install, operate or service this pressure
washer. Failure to comply with instructions could result in personal injury and/or property damage!
Pump Volume At Pump Head: 3.0 GPM/180 GPH
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Pump Pressure At Pump Head: 1500 PSI
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Burner Type:
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Machine Voltage: 230VAC/60Hz/1Ph
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®
Conforms To UL Standard 1776
Total Machine Amperage: 13 Amps
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Machine Weight: 355 Lbs.
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Shipping Weight: 390 Lbs.
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Exhaust Stack Size: 10"
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Machine Dimensions: Length = 31.5", Width = 20", Height = 36.5"
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SERIAL NUMBER:
DATE PURCHASED:
FOR SALES AND SERVICE, PLEASE CONTACT:
MODEL 771/772
OPERATING INSTRUCTIONS
AND PARTS MANUAL
SPECIFICATIONS
(771) LP Gas Fired, 376,000 BTU/Hr.;
(772) Natural Gas Fired, 378,000 BTU/Hr.
C
®
Certified to CAN/CSA - B140.11
8.941-246.0
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Summary of Contents for Hotsy 771
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Page 1: Specifications
Failure to comply with instructions could result in personal injury and/or property damage! SPECIFICATIONS Pump Volume At Pump Head: 3.0 GPM/180 GPH ● Pump Pressure At Pump Head: 1500 PSI ● Burner Type: (771) LP Gas Fired, 376,000 BTU/Hr.; ● (772) Natural Gas Fired, 378,000 BTU/Hr. Machine Voltage: 230VAC/60Hz/1Ph ● ® ®... -
Page 2: Table Of Contents
The model and serial numbers will be found on a decal attached to the pressure washer. You should record both serial number and date of purchase and keep in a safe place for future reference. HOTSY 771/772 • 8.941-246.0 • Rev. 12/10... -
Page 3: Introduction & Safety Information
If rated more than 250 volts, or more than single AND CLOTHING 9. Eye, hand, and foot protection WHEN OPERATING phase this product should only be connected to a must be worn when using this THIS EQUIPMENT. power supply receptacle protected by a GFCI. equipment. HOTSY 771/772 • 8.941-246.0 • Rev. 12/10... - Page 4 Do not direct discharge pane fuel. Do not use liquid fuel. Have a qualified stream at people, or severe in- RISK OF INJECTION serviceman install and service your equipment. OR SEVERE INJURY jury or death will result. TO PERSONS. KEEP CLEAR OF NOZZLE. HOTSY 771/772 • 8.941-246.0 • Rev. 12/10...
- Page 5 28. Never run pump dry or leave spray gun closed longer than 1-2 minutes. WARNING: If connection is made to portable water supply, a back flow device must be provided. Follow the maintenance instructions specified in the manual. Example Of Down Draft Diverter For Gas Fired Machines HOTSY 771/772 • 8.941-246.0 • Rev. 12/10...
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Page 6: Component Identification
Includes safety latch. Unloader Valve — Safety device which, when the Wand — Must be connected to the spray gun. spray gun closes, prevents over pressurization. HOTSY 771/772 • 8.941-246.0 • Rev. 12/10... -
Page 7: Assembly Instructions
1. Install Hose/GFCI Cord Hanger on coil tank as shown in Figure 1. NOTE: The pressure nozzle is not to be installed at this time. 4. Make sure all plumbing connections are tight. Hose/GFCI Cord Hanger Pocket on Coil Tank Figure 1 - Hose/GFCI Cord Hanger HOTSY 771/772 • 8.941-246.0 • Rev. 12/10... -
Page 8: Installation Instructions
IMPORTANT: The use of a backflow-preventer on The model 771 has been factory built to use LP Vapor the water supply hose is recommended and may be fuel. DO NOT USE LIQUID FUEL. - Page 9 CAUTION: Have a qualified gas service technician modify, install and service your equipment. The Model 771 has been factory built to use LP Vapor fuel, however this model can be field converted to run on natural gas fuel. It is very important to follow these instructions when converting the unit for natural gas fuel.
- Page 10 This reading will indicate Part Number 707432. This hose is supplied in the the incoming gas pressure from your gas supply. 771 portable gear/LP bottle Rack Kit, Part Number 18. It is very important that the incoming gas pressure 280771.
- Page 11 Natural Gas Conversion Kit. (Refer to Figure 8.) 6. Refer to Converting to Natural Gas and follow steps 14 and 15. 7. To complete LP vapor conversion reference LP Vapor Gas From A Portable Bottle and follow steps 4 through 11. HOTSY 771/772 • 8.941-246.0 • Rev. 12/10...
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Page 12: Operating Instructions
Allow water to run from the IMPORTANT: Do not allow the machine to run with trig- end of the wand until clear. ger of trigger gun released for more than 10 minutes HOTSY 771/772 • 8.941-246.0 • Rev. 12/10... - Page 13 For the best results, mixed detergent. The detergent metering valve on the contact your Hotsy dealer to help you select the best chassis allows the detergent flow to be controlled. detergent for your application.
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Page 14: Maintenance And Service
Contact your local service center when desooting is needed. Proper Pump Care • DO NOT pump acids. • DO NOT allow pump to run dry. • Winterize if storing in freezing temperatures, refer to Storage for details. HOTSY 771/772 • 8.941-246.0 • Rev. 12/10... -
Page 15: Troubleshooting
Ensure that powdered or mixing. detergents are fully dissolved. Wrong detergent Select appropriate for the application. detergent. Rinsing with A final rinse with cold hot water. water will reduce water spotting. HOTSY 771/772 • 8.941-246.0 • Rev. 12/10... - Page 16 OBNOXIOUS ODOR IMPORTANT If the pressure washer demonstrates other symptoms or the corrective actions listed do not correct the problem, contact the local authorized Hotsy Service Center. The Hotsy Service Center can be identified by visiting www.hotsy.com or by calling 1-800-525-1976.
- Page 17 Hotsy does not authorize any other party, including authorized Hotsy Distributors, to make any representation or promise on behalf of Hotsy, or to modify the terms, conditions, or limitations in any way. It is the buyer’s responsibility to ensure that the installation and use of Hotsy products conforms to local codes.
- Page 18 If you are looking for replacement parts for your Hotsy, please contact your local dealer. You can find a dealer by calling Hotsy at 800-525-1976 or by visiting www.hotsy.com.
- Page 19 Form # 8.941-246.0 • Revised 12/10 • Printed in U.S.A. by Hotsy...