Harbor Freight Tools 91840, 91839, 92199 manual Maintenance, Bleeding the Hydraulic System

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Maintenance

The engine must be off when performing any maintenance. If the unit was recently used, make sure that the engine has cooled to avoid burns.

1.After every use, wipe down the Log Splitter to remove any tree sap or dirt. This will extend the life of the unit. Always keep the wedge and base clean.

2.When storing, make sure the Log Splitter is locked in a location where children cannot reach it.

3.Read the maintenance section of the engine manual and follow all of the procedures.

Note: The recommended interval for changing the hydraulic oil and filter is approximately every 3 months.

4.BEFORETransporting, inspect the general condition of the Trailer. Check for loose Bolts and Nuts, misalignment or binding of moving parts, cracked, bent, or broken parts, exces- sively worn Safety Chain , damaged Tail Lights/Side Running Lights/Wiring Harness, loose Lug Nuts, loose Hitch connection, and any other condition that may affect its safe operation. If abnormal noise or vibration occurs, have the problem corrected before further use. Do not use damaged equipment.

5.BEFORE Transporting, check the Tires for wear and proper inflation (60 PSI).

6.Before Transporting and At 500 MILE intervals during Every trip, check and tighten the Tire Lug Nuts. Torque from 85 to 90 ft-lb.

7.EVERY 2,000TO 3,000 MILES OFTravel, lubricate the Hub Assemblies with a heavy weight bearing grease. Follow the Bearing Packing Instructions as explained on the last page of this manual. After each Hub Assembly is reassembled, tighten the Castle Nut until the wheel starts spinning with slight resistance. Loosen the Castle Nut about 1/2 turn from this point. Insert a new Cotter Pin through the Castle Nut and the hole in the axle. Bend the Pin back, locking it and the Nut in place.

Bleeding the Hydraulic System

If the Log Splitter begins to lose power or splitting efficiency, it may be a result of air becoming trapped in the hydraulic system. Follow the steps below to bleed air from the system.

1.Loosen the Oil Plug (37) and make sure the o-ring is out of the way to expose the air hole in the Oil Plug (37).

2.Remove the spark plug from the engine (see engine manual) to keep the engine from starting during this process.

3.Push the Directional Valve (58) forward, toward the front of the Cylinder (1) (see FIGURE 1).

4.Pull the engine starter cord 10-15 times until the hydraulic cylinder piston moves forward. CAUTION: Keep everything away from the splitting edge during this process.

5.Tighten the Oil Plug (37).

6.Replace the spark plug.

7.Test the Log Splitter to make sure it is operating properly. If not, repeat the above process.

SKUs

91839, 91840

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

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& 92199

 

 

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Contents For technical questions or replacement parts, please call Distributed exclusively by Harbor Freight ToolsSpecifications Safety Warnings and PrecautionsRead all instructions before using this tool For replacement parts, please callNever leave the Log Splitter unattended while in operation Never attempt to split two logs on top of each otherAttaching the Tires AssemblyUnpacking Connecting the Rail Assembly 2 to the Oil Tank Assembly 10B Place Log HereOperation TransportationThrottle Choke Starter Cord Maintenance Bleeding the Hydraulic SystemParts List Part Description QtyAssembly Drawing Kits Hydraulic Ram SealsSeal Bearing Packing Instructions Hydraulics Drawing

91840, 92199, 91839 specifications

Harbor Freight Tools offers an array of high-quality tools and equipment, among which the models 91839, 92199, and 91840 stand out for their functionality, versatility, and reliability. These tools are designed to meet the needs of both professional tradespeople and DIY enthusiasts, making them essential additions to any workshop.

The Harbor Freight Tools 91839 model is a compact air compressor that delivers an impressive performance in a space-saving design. It features a powerful 1.5 HP motor that generates sufficient air pressure for various pneumatic tools. The 91839 is equipped with a large 4-gallon tank, allowing for extended use without frequent cycling. Its lightweight and portable design come with a comfortable handle, making it easy to transport from one job site to another. Additionally, the unit operates quietly, minimizing noise pollution during use, which is particularly advantageous for residential areas.

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The Harbor Freight Tools 91840 is a high-performance impact wrench that delivers impressive torque, making it suitable for a wide range of applications, from automotive repairs to construction projects. Featuring a powerful motor, this impact wrench can effortlessly drive and remove fasteners with ease. Its compact design ensures that it can access tight spaces, providing users with versatility in various working environments. Moreover, the ergonomic handle offers a comfortable grip, reducing fatigue during prolonged use.

In summary, Harbor Freight Tools models 91839, 92199, and 91840 each bring unique features and technologies that cater to the demands of today’s professionals and hobbyists alike. From the efficient air compressor to the rugged tool chest and the powerful impact wrench, these tools exemplify quality and reliability, ensuring that users can tackle any project with confidence.
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