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800 RATED WATTS/900 MAXIMUM WATTS 

PoRTAblE GENERAToR

Model

66619

oPERATIoN AND SERvIcE INSTRUcTIoNS

 

DANGER

Using a generator indoors cAN KIll YoU IN 

MINUTES.
Generator exhaust contains carbon monoxide.  This 

is a poison you cannot see or smell.

NEvER use inside a home 

or garage, EvEN IF doors 

and windows are open.

only use oUTSIDE 

and far away from 

windows, doors, and 

vents.

visit our website at: http://www.harborfreight.com

 Read this material before using this product. 

Failure to do so can result in serious injury. 

SAvE ThIS MANUAl.

Copyright

©

 2008 by Harbor Freight Tools

®

.  All rights reserved.  No portion of this manual or any artwork 

contained  herein  may  be  reproduced  in  any  shape  or  form  without  the  express  written  consent  of 

Harbor Freight Tools.  Diagrams within this manual may not be drawn proportionally.  Due to continuing 

improvements,  actual  product  may  differ  slightly  from  the  product  described  herein.   Tools  required  for 

assembly and service may not be included.

For technical questions or replacement parts, please call 1-800-444-3353.

Revised Manual 10e

Portable G

enerator

Item 666

19

50:1 Unlea

ded Gaso

line and 2

 Stroke O

il mixture.

 Fuel Cap

acity: 1.1 G

allons

CARB and

 EPA Certi

fied

 

3600 RPm

   

 Recoil Sta

rt, 2HP, tw

o Stroke e

ngine   

 Output: 1

20 V~ / 60

 Hz

800 Rated

 Watts/90

0 max W

atts

Summary of Contents for 66619

Page 1: ... by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and servic...

Page 2: ...ower Draw 12 AC Application 12 Generator Shut Off 12 Specifications 14 Servicing 14 Maintenance Procedures 14 Air Filter Element Maintenance 14 Spark Plug Maintenance 15 Cleaning Maintenance and Lubrication Schedule Engine 15 After Initial 25 Operation Hours 15 Every 25 Operation Hours Thereafter 15 Every 50 Operation Hours 15 Every 100 Operation Hours 15 Every 300 Operation Hours 15 Storage 16 Ma...

Page 3: ... to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury WARNING Read all instructions Failure to follow all instructions listed below may result in fire serious injury and or DEATH The warnings and precautions discussed in this manual cannot cover all possible conditions and situations that may occur I...

Page 4: ...rs should 10 consult their physician s before use Electromagnetic fields in close proximity to a heart pacemaker could cause pacemaker interference or pacemaker failure Caution is necessary when near the engine s magneto or recoil starter Use only accessories that are 11 recommended by Harbor Freight Tools for your model Accessories that may be suitable for one piece of equipment may become hazard...

Page 5: ...pment Use the correct equipment for the 24 application Do not modify the equipment and do not use the equipment for a purpose for which it is not intended Service precautions Before service maintenance or 1 cleaning Turn the Power Switch of the Engine a to its OFF position Allow the Engine to completely cool b Then remove the Spark Plug c Keep all safety guards in place and in 2 proper working ord...

Page 6: ...anual of the product to be powered to make sure that it can be safely and efficiently powered by a portable generator Note When using a generator to provide home standby electricity a transfer switch sold separately is needed to prevent back feeding power into the utility line Connections for standby power to a building electrical system must be made by a qualified electrician The connection must ...

Page 7: ...AUTIONS Set Up Do not connect the Generator directly 1 into a home s utility electrical line Do not plug this Generator into an outlet in the home Connecting a generator directly to a utility power supply can back feed along the power lines and kill or injure utility workers working on the lines All connections and conduits from 2 the Generator to the load must only be installed by trained and lic...

Page 8: ...ce damage Service Keep all electrical equipment clean and dry Replace any wiring where the insulation is cracked cut abraded or otherwise degraded Replace terminals that are worn discolored or corroded Keep terminals clean and tight Basic Specifications Fuel Required Mixture 50 1 50 Parts 89 octane unleaded gasoline mixed with 1 part 2 cycle oil Capacity 1 1 Gallons Note Additional specifications ...

Page 9: ...ire prevention requirements Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Starting the Engine Inspect the Generator looking for damaged loose and missing parts before set up and starting If any problems are found do not use the unit until properly repaired Checking and Filling The Fuel Tank CAUTION Your W...

Page 10: ...rainer See Figure C Fill the Fuel Tank 73 to about 1 inch 7 under the fill neck of the Tank with the pre mixed unleaded gasoline 2 cycle oil mixture Then replace the Fuel Tank Cap 76 8 See Figure C Start Procedure Before starting the Engine Inspect the Generator and Engine a Fill the Fuel Tank 73 with the b proper amount and type of unleaded gasoline and 2 cycle oil See Figures B and C NOTE Only a...

Page 11: ...arts and warms up slowly move the Choke Lever 82 to its RUN position See Figure H IMPORTANT Allow the Engine to run at 6 no load until warm approx 3 minutes after each start up to allow the Engine to stabilize Break in Period Breaking in the Engine will help to 1 ensure proper equipment and Engine operation and will extend the Engine s lifespan The warranty is void if the Engine is not broken in p...

Page 12: ...etermine the wattage of electrical load devices Long power cords and extension cords draw additional power Keep cord length at a minimum AC Application Allow the Engine to run at no load until 1 warm approx 3 minutes after each start up to allow the Engine to stabilize FIGURE J 2 Plug the power cord of the 120 volt appliance tool into the 120 volt AC Outlet on the Generator See Figure J NOTE Do no...

Page 13: ... 66619 REV 09c 09g 09k FIGURE L OFF POWER SWITCH 3 Turn off the Generator s Power Switch to stop the Engine See Figure L FIGURE M OFF FUEL SWITCH 80 4 Turn the Fuel Switch 80 to its OFF position See Figure M Allow the Generator to completely cool 5 before storing ...

Page 14: ...inspection maintenance or cleaning procedures To prevent serious injury from equipment failure Do not use damaged equipment If abnormal noise vibration or excess smoking occurs have the problem corrected before further use Maintenance Procedures Many maintenance procedures including those not detailed in this manual will need to be performed by a qualified technician for safety If you have any dou...

Page 15: ...ger tighten until the plug contacts the head then about 1 16 turn more Cleaning Maintenance and Lubrication Schedule Engine Note This maintenance schedule is intended solely as a general guide If performance decreases or if the Engine operates unusually check systems immediately The maintenance needs of this Engine will differ depending on factors such as temperature air quality fuel quality and o...

Page 16: ...Plug Wire disconnected Pull Starter Handle to distribute oil d in Cylinder Stop after one or two revolutions when you feel the Piston start the compression stroke when you start to feel resistance Apply a thin coat of rust preventive oil to 3 all uncoated metal parts Cover and store in a dry well ventilated 4 area out of reach of children Maintenance and Cleaning Schedule Generator Before Every Us...

Page 17: ...dle several times to air out the chamber Reinstall spark plug and set choke to start position Ignition spark Related Spark plug wire not connected 1 securely Spark plug electrode wet or dirty 2 Incorrect spark plug gap 3 Spark plug wire or spark plug broken 4 Incorrect spark timing or faulty ignition 5 system Ignition spark Related Connect spark plug wire properly 1 Clean spark plug 2 Correct spar...

Page 18: ...perly adjust idle speed 3 Have qualified technician diagnose and 4 service engine Engine knocks Old or low quality gasoline 1 Engine overloaded 2 Incorrect spark timing deposit buildup 3 worn engine or other mechanical problems Fill fuel tank with fresh 89 octane 1 unleaded gasoline and 2 cycle oil mixture Do not exceed equipment s load rating 2 Have qualified technician diagnose and 3 service eng...

Page 19: ...353 SKU 66619 TROUBLESHOOTING GENERATOR UNIT Possible solutions shown below should only be carried out by a qualified technician Problem Possible Cause Possible Solutions Follow all safety precautions whenever diagnosing or servicing the equipment or engine ...

Page 20: ...5 Flange Bolt M6 x 12 10 36 Ignition Coil Assy 1 37 Clamp 1 38 Spring Washer 6 7 39 Cross Round Head Bolt M6 x 16 2 40 Flywheel 1 41 Flange Nut M10 x 1 25 1 Part Description Qty 42 Recoil Starter Assy 1 43 Intake Valve Gasket 1 44 Intake Valve Assy 1 45 Flange Bolt M6 x 20 4 46 Stud AM6 x 60 2 47 Intake Gasket 1 48 Carburetor 1 49 Carburetor Gasket B 1 50 Carburetor Gasket A 1 51 Supporting Plate ...

Page 21: ...Page 21 For technical questions please call 1 800 444 3353 SKU 66619 ASSEMBLY DIAGRAM ...

Page 22: ...Page 22 For technical questions please call 1 800 444 3353 SKU 66619 ASSEMBLY DIAGRAM CONTINUED ...

Page 23: ...Page 23 For technical questions please call 1 800 444 3353 SKU 66619 WIRING DIAGRAM ...

Page 24: ...s Board herein CARB the United States Environmental Protection Agency herein EPA and Harbor Freight Tools herein HFT are pleased to explain the emission control system warranty on your 1995 and later Small Off Road Engine herein engine In California the engine must be designed built and equipped to meet the State s stringent anti smog standards Elsewhere in the United States new off road spark ign...

Page 25: ...as required maintenance or are scheduled only for regular inspection to the effect of repair or replace as necessary are warranted for the warranty period Any warranted part which is scheduled for replacement as required mainte nance is warranted for the period of time up to the first scheduled replacement point for that part Any replacement part provided it is equivalent in durability and perform...

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