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

5

 

 

PRESSURE WASHER  

 

OPERATOR’S MANUAL

  

 

WARNING

PROTECT FROM 

FREEZING

WARNING: Protect machine from 
freezing.

13.  To  keep  machine  in  best  
 

operating  conditions,  it  is  

 

important you protect machine  

 

from freezing. Failure to protect  

 

m a c h i n e   f r o m   f r e e z i n g  

 

could cause malfunction of the  

 

machine and result in death, 

serious bodily injury, and/or property damage. Fol-
low storage instructions specified in this manual.

14.  Inlet water must be clean fresh water and no hotter 

then 90°F.

 

WARNING

RISK OF 

ASPHYXIATION. USE 

THIS PRODUCT ONLY 

IN A WELL 

VENTILATED AREA.

WARNING: Risk of asphyxiation. 
Use  this  product  only  in  a  well 
ventilated area. 

 15.  Avoid  installing  machines  in 

small  areas  or  near  exhaust 
fans.  Adequate  oxygen  is 
needed  for  combustion  or 
dangerous carbon monoxide 
will result.

 16.  Manufacturer  will  not  be  liable  for  any  changes 

made to our standard machines or any components 
not purchased from us.

 17.  The best insurance against an accident is precau-

tion and knowledge of the machine.

WARNING

RISK OF INJURY 

FROM FALLS WHEN 

USING LADDER.

WARNING: Be extremely careful 
when using a ladder, scaffolding 
or any other relatively unstable 
location.  The  cleaning  area 
should  have  adequate  slopes 
and drainage to reduce the pos-
sibility of a fall due to slippery 
surfaces.

 

 18.  Do  not  overreach  or  stand  on  unstable  support. 

Keep good footing and balance at all times.

 19.  Do not operate this machine when fatigued or under 

the influence of alcohol, prescription medications,  
or drugs.

 20.  Follow  the  maintenance  instructions  specified  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: This machine exceeds 
85 db appropriate ear protection 
must be worn.

 

HOT DISCHARGE FLUID:   

DO NOT TOUCH OR 

DIRECT DISCHARGE 

STREAM AT PERSONS.

CAUTION:  Hot  discharge  fluid. 
Do not touch or direct discharge 
stream at persons.
WARNING:  This  machine  pro-
duces hot water and must have 
insulated components attached 
to protect the operator.

WARNING

RISK OF INJURY.  

HOT SURFACES  

CAN CAUSE BURNS

WARNING:  Risk  of  injury.  Hot 
surfaces can cause burns. Use 
only designated gripping areas 
of spray gun and wand. Do not 
place hands or feet on non-insu-
lated  areas  of  the  pressure 
washer.

 

 10.  To reduce the risk of injury, close supervision is 

necessary when a machine is used near children. 
Do  not  allow  children  to  operate  the  pressure 
washer. 

This machine must be attended during 

operation. 

 

TRIGGER GUN KICKS 

BACK - HOLD WITH  

BOTH HANDS

WARNING

WARNING: Grip cleaning wand 
securely with both hands before 
starting. Failure to do this could 
result in injury from a whipping 
wand.

11.   Never  make  adjustments  on 

machine while in operation.

12.  Be certain all quick coupler fit-

tings are secured before using 
pressure washer.

RISK OF INJECTION 

OR SEVERE INJURY 

TO PERSONS. KEEP 

CLEAR OF NOZZLE.

WARNING

WARNING: High pressure devel-
oped  by  these  machines  will 
cause personal injury or equip-
ment  damage.  Keep  clear  of 
nozzle. Use caution when oper-
ating.  Do  not  direct  discharge 
stream at people, or severe in-
jury or death will result. 

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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