Harbor Freight Tools 68120, 68306 owner manual Cleaning, Maintenance, and Lubrication Schedule

Page 14

Maintenance

SAFETY

SETUP

OPERATION

MAINTENANCE

WARNING

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING:

Turn the Power Switch 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 EQUIPMENT FAILURE:

Do not use damaged equipment. If abnormal noise, vibration, or excess smoking occurs, have the problem corrected before further use.

Follow all service instructions in this manual. The engine may fail critically if not serviced properly.

Many maintenance procedures, including any not detailed in this manual, will need to be performed by a qualified technician for safety. If you have any doubts about your ability to safely service the equipment or engine, have a qualified technician service the equipment instead.

Cleaning, Maintenance, and Lubrication Schedule

Note: This maintenance schedule is intended solely as a general guide. If performance decreases or if equipment operates unusually, check systems immediately. The maintenance needs of each piece of equipment will differ depending on factors such as duty cycle, temperature, air quality, fuel quality, and other factors.

Note: The following procedures are in addition to the regular checks and maintenance explained as part of the regular operation of the engine and equipment.

Procedure

Before

Monthly or

Every 3 mo. or

Every 6 mo. or

Yearly or

Every

Each Use

every 20

50 hr. of use

100 hr. of use

every 300

2 Years

 

hr. of use

hr. of use

 

 

 

 

 

Brush off outside of engine

Check engine oil level

Check air cleaner

Check deposit cup

Change engine oil

 

Clean/replace air cleaner

*

Check and clean spark plug

1.Check/adjust idle speed

2.Check/adjust valve clearance

3. Clean fuel tank, strainer

**

**

and carburetor

 

 

4.Clean carbon build-up from combustion chamber

Replace fuel line if necessary

**

*Service more frequently when used in dusty areas. **These items should be serviced by a qualified technician.

Page 14

For technical questions, please call 1-800-520-0882.

Horizontal Engines

Page 13 Page 15
Image 14
Page 13 Page 15
Contents Email our technical support at predator@harborfreight.com Save this ManualTable of Contents Symbol Definitions RPMCarbon Monoxide Hazard Using an engine indoors can Kill Set up PrecautionsOperating Precautions YOU in MinutesDo not Overfill Service PrecautionsRefueling Engine on a Vehicle Battery Setup InstructionsTo Prevent Serious Injury Starter Handle Muffler Dipstick Engine SwitchEngine Controls Serial Number LocationPre-Start Checks Checking and Filling Engine OilInjury from Fire Starting the EngineChecking and Filling Fuel Turn the Engine Switch on Manual StartStopping the Engine Break-in PeriodTurn the Engine Switch to Start StartOFF To Prevent Serious Injury from Equipment Failure Cleaning, Maintenance, and Lubrication ScheduleTo Prevent Serious Injury from Accidental Starting Engine Oil Change Spark Plug Maintenance Cap Air Filter Element MaintenanceCleaning BrandStorage 10% ethanol E15, E20, E85, etc TroubleshootingDo not use gasoline with more than Use Engine will not start Compression Related section Manufacturer’s Warranty Coverage Limited 90 Day WarrantyEmission Control System Warranty Please Read the Following Carefully 68120 212cc Parts List Record Product’s Serial Number HereCall 68120 212cc AssemblyDiagram 088268121 212cc Parts List 68121 212cc Assembly Diagram 68136 346cc Parts List Assembly Diagram 68136 346cc68306 420cc Parts List Assembly 68306 420ccItem 68136 346cc and Item 68306 420cc Mounting Hole DiagramsItem 68120 / 68121 212cc For technical questions, please call Horizontal EnginesPower Take-Off Diagrams 16-24UNFMission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 800

68306, 68120 specifications

Harbor Freight Tools is known for offering a wide range of tools and equipment at competitive prices, making it a favored choice for DIY enthusiasts and professionals alike. Among their extensive catalog, the 68120 and 68306 models stand out for their performance and versatility.

The Harbor Freight Tools 68120 is a 1,000-pound capacity engine hoist designed for lifting heavy engines and machinery with ease. One of its main features is its compact design, which allows for great maneuverability in tight spaces. The hoist operates on a hydraulic system, providing smooth lifting capabilities that ensure safety and reliability. The adjustable boom extends from 45 to 70 inches, enabling users to reach a variety of engine positions without hassle.

Additionally, the 68120 boasts a sturdy steel construction that adds to its durability and longevity. It also includes oversized wheels, making it effortless to move around the garage or shop without damaging floors. A safety latch is integrated into the main boom, which secures loads during operation, providing peace of mind to the user. The hoist is designed with efficiency in mind, enabling users to complete tasks more quickly and effectively.

The 68306 model is a pneumatic tire changer, specifically designed for hassle-free tire changing on various vehicles. This tool features an impressive range of compatibility, accommodating tires from 10 to 21 inches in diameter. The robust construction includes heavy-duty steel components, ensuring that it can withstand the rigorous demands of repeated use in a busy workshop or in mobile situations.

One of the standout features of the 68306 is its pneumatic operation, which allows for quick and effortless tire mounting and demounting. The user-friendly design includes an adjustable arm for varying tire widths, ensuring versatility for different vehicle types. Moreover, the incorporated bead breaker makes it easy to separate tires from their wheels without exerting excessive force.

In summary, both the Harbor Freight Tools 68120 and 68306 provide exceptional value for users seeking reliable, efficient, and robust tools to enhance their automotive repairs. With their advanced features and durable designs, they exemplify the high-quality offerings available from Harbor Freight, catering to both casual and professional users. Whether you need to lift heavy engines or change tires quickly, these tools stand ready to deliver performance and convenience.
Top Page Image Contents