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Generac Portable Products 1421-1, Owner'S Manual

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Generac Portable Products 1421-1 Owner'S Manual Download Page 1

Problems?

Questions?

Before 

taking 

your 

unit

back 

to the 

store,

call 

the pressure 

washer

helpline 

at 

1-800-270-1408

M-F 

8-5 CT

4000

PSI

Pressure Washer Owner’s Manual

GENERAC

This is the safety alert symbol. It is used to alert you to potential personal injury hazards.

Obey all safety messages that follow this symbol to avoid possible injury or death.

Model No. 1421-1  (4,000 PSI High Pressure Washer)  Manual No. 186817 Revision 0 (5/4/2000)

Visit our Generac website: 

www.generac-portables.com

The Reliable Ones

Summary of Contents for 1421-1

Page 1: ...ner s Manual GENERAC This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death Mod...

Page 2: ...rting adjusting or making repairs to your high pressure washer always disconnect the spark plug wire from the spark plug and place the wire where it cannot contact spark plug DANGER Engine exhaust con...

Page 3: ...ay gun at people animals or plants The high pressure stream of water that this equipment produces can pierce skin and its underlying tissues leading to serious injury and possible amputation Hold the...

Page 4: ...ground This system prevents internal pump damage Chemical Injection Tube Used to siphon chemical from the detergent container to the pump Choke Lever Prepares a cold engine for starting Fuel Tank Fill...

Page 5: ...quick connect fitting Owner s manual Engine manual If any of the above parts are missing or damaged call the pressure washer helpline at 1 800 270 1408 PREPARING PRESSURE WASHER FOR USE If you have a...

Page 6: ...ult in an engine failure Place the pressure washer on a level surface Refer to the engine owner s manual to add the provided oil to the engine crankcase NOTE Check oil often during engine break in NOT...

Page 7: ...connect your garden hose to the water inlet inspect the inlet screen see Figure 6 typical pump shown Clean the screen if it contains debris or have it replaced if damaged DO NOT RUN THE PRESSURE WASH...

Page 8: ...gine powered pressure washer for the first time is to follow these instructions step by step This starting information also applies whenever you start the engine after you have let the pressure washer...

Page 9: ...arter grip and pull slowly until you feel some resistance Then pull cord out with rapid full arm stroke Let rope return slowly Do Not let rope snap back against starter If the choke lever was moved to...

Page 10: ...between 8 to 24 inches away from the cleaning surface If you get the spray nozzle too close you may damage the cleaning surface Cleaning and Applying Chemical WARNING You must attach all hoses before...

Page 11: ...le from the nozzle extension Select and install the desired high pressure nozzle following the instructions given in How to Use the Nozzles on page 10 Keep the spray gun a safe distance from the area...

Page 12: ...high pressure hose for leaks Check chemical injection tube and filter for damage Check spray gun and nozzle extension assembly for leaks Rinse out garden hose to flush out debris PRESSURE WASHER MAINT...

Page 13: ...rding to instructions given in How to Start Your Engine on page 8 Squeeze the trigger on the spray gun and hold When the water supply is steady and constant engage the safety latch and refasten the no...

Page 14: ...ld not remain in the unit for long periods of time Sediments of minerals can deposit on pump parts and freeze pump action If you do not plan to use the pressure washer for more than 30 days follow thi...

Page 15: ...Generac Portable Products 4 000 PSI High Pressure Washer 15 NOTES...

Page 16: ...ning tube 3 Use low pressure black chemical nozzle to apply detergent Engine runs good at no load but bogs when load is added Engine speed is too slow Move throttle control to FAST position If engine...

Page 17: ...Generac Portable Products 4 000 PSI High Pressure Washer 17 NOTES...

Page 18: ...Generac Portable Products 4 000 PSI High Pressure Washer 18 EXPLODED VIEW MAIN UNIT...

Page 19: ...4 20 x 3 4 29 186327 1 BRACKET Muffler Item Part Qty Description 30 95531 2 SHCS 5 16 24 x 75 31 B2071 2 NUT 1 4 20 Flange Lock 32 B2509 1 KIT Nozzle Cleaning 33 B4805 1 HOSE 3 8 x 50 34 B1436B 1 GUN...

Page 20: ...iew shows a right hand pump your unit is supplied with a left hand pump All parts are are identical regardless of left or right side assembly For your unit items 31 32 34 35 36 37 38 39 and 40 are ins...

Page 21: ...1 Bearing 18 186383 1 Pump Housing 19 117B2327 1 Oil Cap 20 118B2327 3 Nut 21 119B2327 3 Washer 22 120B2327 3 Piston 23 121B2327 3 Spacer 24 122B2327 3 O Ring 25 161B2327 3 Ring 26 123B2327 3 Piston G...

Page 22: ...Generac Portable Products 4 000 PSI High Pressure Washer 22 EXPLODED VIEW UNLOADER...

Page 23: ...bow 16 186868 1 Seat Union NPT 607 17 186869 3 O ring 2068 18 186870 1 Ball 19 186871 1 O ring 2043 20 186872 1 Ball spring 21 186873 1 Seat 22 186874 1 Shutter 23 186876 1 2 0 Nozzle 24 186877 1 3 8...

Page 24: ...equipment Parts such as GUNS HOSES WANDS NOZZLES or other wear items such as quick couplers oil gauges belts o rings filters pump packing etc Pumps which have been run without water supplied Damage o...

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