background image

Using an engine indoors 
CAN KILL YOU IN MINUTES.
Engine 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

Email our engine support at: [email protected]

Do not return this 
pump to the store. 
Call 1-844-416-9141

Owner’s Manual & Safety Instructions

Save This Manual

 

Keep this manual for the safety warnings and precautions, assembly, 

operating, inspection, maintenance and cleaning procedures.  Write the product’s serial number in the 
back of the manual near the assembly diagram (or month and year of purchase if product has no number). 
Keep this manual and the receipt in a safe and dry place for future reference. 

18l

When unpacking, make sure that the product is intact 

and undamaged.  If any parts are missing or broken, 

please call 1-888-866-5797 as soon as possible.

Copyright

©

 2016 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.

Read this material before using this product. 
Failure to do so can result in serious injury. 
SAVE THIS MANUAL.

Summary of Contents for 63404

Page 1: ...ear the assembly diagram or month and year of purchase if product has no number Keep this manual and the receipt in a safe and dry place for future reference 18l When unpacking make sure that the prod...

Page 2: ...Single Cylinder 4 stroke OHV EPA phase III compliant Cooling System Forced air cooled Fuel Type 87 octane stabilizer treated unleaded gasoline Capacity 0 4 Gallons 1 4 Liters Engine Oil Type SAE 10W 3...

Page 3: ...SI approved safety goggles with side shields Read the manual before set up and or use WARNING marking concerning Risk of Hearing Loss Wear hearing protection Symbol property or Statement WARNING marki...

Page 4: ...ting devices with sufficient weight bearing capacity when transporting the Engine 8 Secure the Engine on transport vehicles to prevent the tool from rolling slipping and tilting 9 Industrial applicati...

Page 5: ...g a Turn the engine switch to its OFF position b Allow the engine to completely cool c Then remove the spark plug cap from the spark plug 2 Keep all safety guards in place and in proper working order...

Page 6: ...ed performance even with the proper main jet Operating this engine without the proper altitude kit installed may increase the engine s emissions and decrease fuel economy and performance The kit shoul...

Page 7: ...ase call 1 888 866 5797 ITEM 63404 SAFETY OpERATION MAINTENANCE SETUp Controls Water Drain plug Intake port Discharge port priming Cap Fuel Tank Cap Throttle Choke Muffler Air Filter Starter Handle Oi...

Page 8: ...rt of this pump they may be used Note The Intake Hose not included MUST be reinforced with non collapsible construction Match hose diameter to port diameters Do not reduce hose diameter size 1 Thread...

Page 9: ...l also help make it easier to prime the pump fill it with water 2 Route the Intake Hose with the Intake Strainer fully immersed in the water supply source 3 Place Strainer into water to be pumped NOTI...

Page 10: ...nded period of time will damage the Water pump and void the Warranty priming Cap Checking and Filling Engine Oil NOTICE Your Warranty is VOID if the engine s crankcase is not properly filled with oil...

Page 11: ...s been stored in a metal fuel container or a dirty fuel container It can cause particles to enter the carburetor affecting engine performance and or causing damage 3 If needed fill the Fuel Tank to ab...

Page 12: ...ot start check engine oil level Engine will not start with low or no engine oil 5 Allow the Engine to run for several seconds Then if the Choke lever is in the START position move the Choke Lever very...

Page 13: ...of the equipment to its OFF position wait for the engine to cool and disconnect the spark plug cap before performing any inspection maintenance or cleaning procedures TO pREVENT SERIOUS INJURY FROM EQ...

Page 14: ...ignition sources If the engine is hot from use shut the engine off and wait for it to cool before adding fuel Do not smoke 1 Clean the Fuel Cap and the area around it 2 Unscrew and remove the Fuel Ca...

Page 15: ...Spark plug Maintenance 1 Spark plug Cap Disconnect spark plug cap from end of plug Clean out debris from around spark plug 2 Using a spark plug wrench remove the spark plug 3 Inspect the spark plug I...

Page 16: ...Do not smoke 3 LUBRICATION a Change engine oil b Clean out area around spark plug Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole c Replace spark plug bu...

Page 17: ...is not primed 2 Intake Strainer clogged 3 Air leak at intake connector 4 Hose leaks 5 Suction hose has collapsing wall 6 Hose has too small diameter 7 Pump is too high above water surface 1 Prime Pump...

Page 18: ...RUN position Remove spark plug and pull the start handle several times to air out the chamber Reinstall spark plug and set Choke to START position 9 Replace Fuel Filter IGNITION SPARK RELATED 1 Spark...

Page 19: ...stabilizer treated unleaded gasoline Do not use gasoline with more than 10 ethanol E15 E20 E85 etc 2 Do not exceed equipment s load rating 3 Have qualified technician diagnose and service engine Engin...

Page 20: ...ase Air 1 54 Bolt 1 55 Shroud Cylinder Body 1 56 Bolt 1 57 Shroud Shield 1 58 Plug End 1 59 Gasket Carburetor 2 60 Plate Carburetor Insulator 1 61 Gasket Air Cleaner 1 62 Carburetor Assy 1 part Descri...

Page 21: ...rposes only and are not available individually as replacement parts Assembly Diagram 30 32 33 31 34 31 35 36 25 64 64 63 59 59 61 60 62 38 40 42 43 44 45 46 47 42 43 45 46 47 48 39 40 41 41 48 37 9 10...

Page 22: ...CE SETUp Assembly Diagram cont 17 13 16 15 14 20 19 18 21 88 87 87 86 83 82 85 84 55 54 53 56 51 52 52 52 52 57 58 49 50 50 50 76 77 78 79 80 80 81 70 72 73 74 74 68 69 71 75 71 71 117 116 121 121 121...

Page 23: ...cannot readily and quickly provide you with a replacement We will return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the...

Page 24: ...cover normal maintenance services or replacement of maintenance items such as filters oils or spark plugs WHAT YOU MUST DO TO OBTAIN WARRANTY SERVICE As the engine owner you are responsible for the p...

Reviews: