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S

STATEMENT OF WARRANTY

The manufacturer of this washer offers the original owner a one (1) year limited warranty.  The manufacturer guaran-
tees the 

air driven

 cold water pressure washer to be free from defects in materials and/or workmanship.  Any 

defective parts not subject to normal wear and tear will be repaired or replaced at the manufacturers option during the 
warranty period.  All warranties will begin from the original date of purchase.

ONE (1) YEAR PARTS WARRANTY

Thirty (30) day warranty on high pressure hose, strainer filter, trigger gun and wand

 and all other accessories.

WARRANTY DOES NOT COVER:

 Normal wear parts: pump packing, pump valves, unloader, detergent valves, o-rings, or spray nozzles.

 Parts damaged due to misuse or operation at other than recommended speeds, pressures, temperatures or improp-
er installation.

 Parts damage due to misuse or worn because of low temperatures, the use of caustic liquids or by operation in 
abrasive or corrosive environments or under conditions causing pump cavitation.

IMPORTANT:
 This unit was designed to be operated in a 

medium

 duty application only.  The use of this washer in any other 

applica-tion will void warranty.  Failure to follow the recommended operating and maintenance procedures or failure 
to use genuine  parts also voids the warranty.

GENERAL INFORMATION:
 The 

motor

 warranty will be handled through the 

motor

 factory.  The consumer will be responsible to prepay freight if 

warranty is to be considered. Parts returned prepaid to our factory or to an  Authorized Service Center will be 
inspected and replaced free of charge if found to be defective and subject to this warranty.  There are no warran-ties 
which extend beyond the description on the face hereof.  Under no circumstances shall the manufacturer bear 
responsibility for loss of the unit, loss of time, inconvenience, consequential damages, pickup or delivery charges.

For service or warranty consideration contact:

CHAPPELL SUPPLY AND EQUIPMENT/ 6509 P.O. BOX 270960 / OKLAHOMA CITY, OK 73137

405-495-1722 / 800-525-4970 / Fax 405-495-9830

Monday - Friday  8:00 a.m. - 5:00 p.m.  CST

Revision 11/3/2021

18 

Summary of Contents for ES320AIR

Page 1: ...ATORS MANUAL DIRECT DRIVE PRESSURE WASHER Once the unit has been removed from the box immediately write in the serial number of your unit in the space provided below SERIAL NUMBER_____________________...

Page 2: ...ON 11 WATER SUPPLY 12 UNLOADER 12 THERMAL RELIEF VALVE 12 PRE START INSPECTION PROCEDURES 13 OPERATING INSTRUCTIONS 14 15 PRIMING THE PUMP 14 START UP 14 CLEANING WITH DETERGENTS 15 SHUTDOWN 15 STORAG...

Page 3: ...MPHASIZE SAFETY WARNINGS THAT MUST BE FOLLOWED WHEN OPERATING THIS PRESSURE WASHER ACCOMPANYING THE SAFETY WARNINGS ARE SIGNAL WORDS WHICH DESIGNATE THE DEGREE OR LEVEL OF HAZARD SERIOUSNESS THE SIGNA...

Page 4: ...Complete the following checklist prior to starting installation in a hazardous area All actions must be completed in accordance with Directive 2014 34 EU Checklist for installation in hazardous areas...

Page 5: ...e Connect the sound absorber on the exhaust air port or valve connection Do not add any thrust to the end or side of the shaft when making connections Do not use a hammer on the shaft or connections L...

Page 6: ...ent will help to maintain proper vane performance Flush the motor if it is operating slowly or inefficiently Use only Gast AH255B Flushing Solvent DO NOT use kerosene or ANY other combustible solvents...

Page 7: ...peratetheunitwhenfatigued PS VOEFS UIF JO VFODF PG BMDPIPM PS ESVHT 4 NEVER squeeze the trigger unless securely braced The thrust from the water traveling through the nozzle may be powerful enough to...

Page 8: ...JOH UIF pump to thaw 4 When connecting the water inlet to the water supply mains local regulations of your water company must be observed In some areas the unit must not be connected directly to the p...

Page 9: ...air lines 5VSOJOH the machinery over by hand during adjustment or cleaning might start the motor and machinery with it causing serious injury to the operator 3 Know how to stop the pressure washer and...

Page 10: ...SO JT CFTU TVJUFE GPS VTIJOH EJSU NVE BOE HSJNF 6TFT 8FU TXFFQJOH MFBWFT GSPN XBMLT DVSCT BOE ESJWFXBZT DMFBOJOH TUBCMF PPST XBTIJOH TXJNNJOH pool bottoms degreasing engines 5IF OP MF 5IJT JT B MPX QS...

Page 11: ...equired on some models e Connect the wand assembly to the gun hose assembly 4 Follow the incoming water requirements listed below a Water pressure must be a minimum of 25 pounds per square inch PSI an...

Page 12: ...UIF TZTUFN PRE START INSPECTION PROCEDURES FGPSF TUBSUJOH UIF VOJU QFSGPSN UIF GPMMPXJOH QSPDFEVSFT 1 Check the oil level in the pump and motor 2 Inspect the water inlet strainer Clean or replace if...

Page 13: ...unit during start up Slowly apply air flow to the motor not to exceed 100 psi 7 bar 7 Once the motor has started perform the following procedures with the gun open a Inspect for system oil leaks and f...

Page 14: ...UIF USJHHFS O B fewmomentsadetergent watermixturewillexitthelowpressurenozzle Start spraying the lower portion of the surface being cleaned and move up using long overlapping strokes Applying from th...

Page 15: ...cement o ring to correct the leak Additional o rings can be purchased from your dealer TROUBLESHOOTING GUIDE Problem Reason and Remedy for Problem Low Torque Low Speed Won t Run Runs Hot Runs Well The...

Page 16: ...ich you are winterizing NOTE Proper winterizing is based on the recommended manufacturer s instructions listed on the Protection Chart shown on the back label of most antifreeze containers f Remove th...

Page 17: ...gun closed for more than 3 minutes Defective valve Replace Oil appears milky or foamy Water in oil Change pump oil Fill to proper level Oil leaking from unit DO NOT USE Contact CSE Customer Service D...

Page 18: ...osive environments or under conditions causing pump cavitation IMPORTANT This unit was designed to be operated in a medium duty application only The use of this washer in any other applica tion will v...

Page 19: ...ZW D Pom pe Pum ps 3 4 0 0 3 4 0 0 RPM r Revision 11 3 2021 19...

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