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HOTSY 771/772  •  8.941-246.0   • Rev. 12/10

OPERATOR’S MANUAL

   

PRESSURE WASHER 

 

4

INTRODUCTION & IMPORTANT SAFETY INFORMATION

Thank you for purchasing this Pressure Washer.
We reserve the right to make changes at any time 
without incurring any obligation.

Owner/User Responsibility:

The owner and/or user must have an understanding of 
the manufacturer’s operating instructions and warnings 
before using this pressure washer. Warning information 
should be emphasized and understood. If the operator 
is not fluent in English, the manufacturer’s instructions 
and  warnings  shall  be  read  to  and  discussed  with 
the operator in the operator’s native language by the 
purchaser/owner, making sure that the operator com-
prehends its contents.
Owner and/or user must study and maintain for future 
reference the manufacturers’ instructions.
The  operator  must  know  how  to  stop  the  machine 
quickly  and  understand  the  operation  of  all  controls. 
Never  permit  anyone  to  operate  the  engine  without 
proper instructions.

This manual should be considered a permanent 
part of the machine and should remain with it if 
machine is resold.
When ordering parts, please specify model and 
serial number. Use only identical replacement 
parts.
This  machine  is  to  be  used  only  by  trained  
operators.

IMPORTANT SAFETY 

INFORMATION

READ OPERATOR’S 

MANUAL THOROUGHLY 

PRIOR TO USE.

WARNING: To reduce the risk of 
injury,  read  operating  instruc-
tions carefully before using.

  1.  Read  the  owner's  manual 

thoroughly.  Failure  to  follow 
instructions could cause mal-
function  of  the  machine  and 
result in death, serious bodily 
injury  and/or  property  dam-
age.

  2.  Know how to stop the machine and bleed pressure 

quickly. Be thoroughly familiar with the controls.

  3.  Stay alert — watch what you are doing.
  4.  Do not replace LP tank while machine is running.
  5.  All installations must comply with local codes. Con-

tact your electrician, plumber, utility company or the 
selling distributor for specific details. If your machine 
is rated 250 volts or less, single phase will be pro-
vided with a ground fault circuit interrupter (GFCI). 
If rated more than 250 volts, or more than single 
phase this product should only be connected to a 
power supply receptacle protected by a GFCI.

DANGER:  Improper  connection  of  the  equip-
ment-grounding conductor can result in a risk of 
electrocution. Check with a qualified electrician or 
service personnel if you are in doubt as to whether 
the outlet is properly grounded. Do not modify the 
plug provided with the product - if it will not fit the 
outlet, have a proper outlet installed by a qualified 
electrician.  Do  not  use  any  type  of  adaptor  with 
this product.

WARNING

KEEP WATER 

SPRAY AWAY FROM 

ELECTRICAL WIRING.

WARNING: Keep wand, hose, and 
water  spray  away  from  electric 
wiring or fatal electric shock may 
result.

6.  To  protect  the  operator  from  
 

electrical shock, the machine  

 

must be electrically grounded.  

 

It  is  the  responsibility  of  the  

 

owner to connect this machine 

to a UL grounded receptacle of proper voltage and 
amperage ratings. Do not spray water on or near 
electrical components. Do not touch machine with 
wet hands or while standing in water. Always dis-
connect power before servicing.

RISK OF EXPLOSION:  

IF GAS SMELL 

PRESENT TURN OFF 

SUPPLY

WARNING

WARNING:  Flammable  liquids 
can create fumes which can ig-
nite,  causing  property  damage 
or severe injury.
WARNING:  Risk  of  explosion 
—  Operate  only  where  open 
flame or torch is permitted.

RISK OF FIRE.  

DO NOT ADD FUEL 

WHEN OPERATING 

MACHINE.

WARNING

WARNING: Risk of fire — Do not 
change tanks  when the product 
is operating or still hot. 
WARNING: Use vapor fuel only.

7.    Oil  burning  appliances  shall 

be installed only in locations 
where combustible dusts and 
flammable  gases  or  vapors 
are not present. Do not store 
or use gasoline near this ma-
chine.

  8.  Keep operating area clear of all persons.

WARNING

USE PROTECTIVE  

EYE WEAR 

AND CLOTHING  

WHEN OPERATING 

THIS EQUIPMENT.

WARNING: High pressure spray 
can cause paint chips or other 
particles  to  become  airborne 
and fly at high speeds. To avoid 
personal  injury,  eye,  hand  and 
foot  safety  devices  must  be 
worn.

  9.   Eye, hand, and foot protection 

must be worn when using this 
equipment.

Содержание 771

Страница 1: ... 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 Total Machine Amperage 13 Amps Machine Weight 355 Lbs Shipping Weight 390 Lbs Exhaust Stack Size 10 Machine Dimensions Length 31 5 Width 20 Height 36 5 MODEL 771 772 LISTE...

Страница 2: ...del 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 Introduction Safety Information 4 6 Component Identification 7 Assembly Instructions 8 Installation Instructions 9 12 Operating Instructions 13 14 Maintenance and Service 15 Troubleshooting 16 17 Warranty ...

Страница 3: ...50 volts or less single phase will be pro vided with a ground fault circuit interrupter GFCI If rated more than 250 volts or more than single phase this product should only be connected to a power supply receptacle protected by a GFCI DANGER Improper connection of the equip ment grounding conductor can result in a risk of electrocution Check with a qualified electrician or service personnel if you...

Страница 4: ...ecified in the manual 21 Do not replace LP tank while machine is running Serious injury could result WARNING Use vapor fuel only 22 The LP models are designed to run on vapor pro pane fuel Do not use liquid fuel Have a qualified serviceman install and service your equipment IMPORTANT SAFETY INFORMATION WARNING EAR PROTECTION MUST BE WORN WARNING Thismachineexceeds 85 db appropriate ear protection ...

Страница 5: ...onnect from electrical source and shut off gas valve 26 Install this machine on non combustible flooring 27 Do not allow acids caustic or abrasive fluids to pass through the pump 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 manua...

Страница 6: ...pressure Spray Gun Controls the application of water and detergent onto cleaning surface with trigger device Includes safety latch Wand Must be connected to the spray gun High Pressure Hose Connect one end to water pump high pressure discharge nipple and the other end to spray gun Relief Valve Secondary pressure release in the unlikely event the unloader valve fails Unloader Valve Safety device wh...

Страница 7: ...ct Plug Tools Required 10 Adjustable Wrench 1 ea Medium Phillips Head Screwdriver 1 ea Large Slotted Head Screwdriver 1 ea 3 16 Allen Wrench 1 ea Pipe Thread Sealing Compound For Gas Connec tors Teflon Tape 1 Install Hose GFCI Cord Hanger on coil tank as shown in Figure 1 Figure 1 Hose GFCI Cord Hanger Hose GFCI Cord Hanger Pocket on Coil Tank Pressure Hose Trigger Gun and Wand 1 When assembling u...

Страница 8: ...e properly When selecting the location for installation beware of poorly ventilated locations or areas where exhaust fans may cause an insufficient supply of oxygen Proper combustion can only be obtained when there is a sufficient supply of oxygen available for the amount of fuel being burned If it is necessary to install the machine in a poorly ventilated area outside fresh air may have to be pip...

Страница 9: ... soapy water 10 Reinstall the chassis front panel on the machine Converting From LP to Natural Gas Fuel 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 ...

Страница 10: ...e safety features within the gas valve adjustment of the burner ring gas pressure can only be made while the machine is running and the burner is lit Follow the instructions under Before Starting and To Start for details to operate burner 21 Turn pressure regulator adjustment screw clockwise to increase gas pressure Adjust gas pressure to 3 5 water column inches 13 PSI 22 Turn off the burner and p...

Страница 11: ... gas nozzles It is important to replace them as LP vapor gas is required to use smaller orifice gas nozzles than natural gas When installing the nozzles into the burner ring do not over tighten and do not use pipe thread sealing compound 5 Refer to Converting to Natural Gas and follow steps 11 through 13 except use LP Vapor Conversion Kit instead of Natural Gas Conversion Kit Refer to Figure 8 6 R...

Страница 12: ...up turn on the water supply and pump switch and allow water to run from the end of the wand until clear to prevent the nozzle from clogging IMPORTANT If the pressure washer has not been used for an extended period of time remove the nozzle from the end of the wand and turn on water supply and pump switch Allow water to run from the end of the wand until clear 8 Install the pressure nozzle on end o...

Страница 13: ...ing side to side motions This washes away heavy dirt and allows the detergent to soak as you work toward the top 4 Do not wash at a 90 angle to work straight at it This will allow water to splash back at you and reduces your cleaning power Wash at a 30 to 60 angle to the work This will allow the water to splash away from you and the water will wash the dirt away faster and easier 5 Use the full wi...

Страница 14: ...ANCE Use a water softener on the water system if known to be high in mineral content Use only high quality detergents and follow manu facturer s mix recommendations Flush the system with clean water immediately after using detergent solutions Clean filter screen on detergent inlet line periodi cally Flush the pressure washer system with antifreeze if storing for an extended period of time Refer to...

Страница 15: ...n if necessary Pump lost its prime Refer to Before Starting Step 9 LOW SPRAY PRESSURE AT NOZZLE Inadequate water supply Fully open faucet Check for kinked or damaged hose Use 5 8 inch minimum hose Check for debris clogging inlet screen Partially clogged or damaged nozzle Clean or replace Air being drawn through deter gent inlet line Refill detergent container Ensure that pick up screen is fully im...

Страница 16: ...on Loose electrical connections Tighten electrical connection Gas valve off Turn gas valve on Pressure switch not operative Test pressure switch and replace if defective Manual valve on gas supply line is closed Open valve Low service supply pressure Refer to Using LP Vapor Gas From A Portable Bottle or Converting To Natural Gas and sections on how to check and set incoming pressure Ai in gas line...

Страница 17: ...eaning and clearing of obstructions 6 Transportation to service center field labor charges or freight damage WHAT YOU MUST DO TO OBTAIN WARRANTY SERVICE In order to obtain warranty service on items warranted by Hotsy you must return the product to your Authorized Hotsy Distributor freight prepaid with proof of purchase within the applicable warranty period If the product is permanently installed y...

Страница 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 ...

Страница 19: ...Form 8 941 246 0 Revised 12 10 Printed in U S A by Hotsy ...

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