Stanley Black & Decker DL07 user manual Troubleshooting, Problem Cause Solution

Page 13

TROUBLESHOOTING

If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem. When diagnosing faults in operation of the wrench, always check that the hydraulic power source is supplying the correct hydraulic flow and pressure to the tool as listed in the following table. Use a flow meter known to be accurate. Check the flow with the hydraulic fluid temperature at least 80 °F/27 °C.

PROBLEM

CAUSE

SOLUTION

Tool will not start.

Power not being supplied.

Check to make certain that both hoses are

 

 

connected.

 

 

Turn hydraulic circuit control valve ON.

 

Defective quick disconnects.

Check each quick disconnect.

Low drilling torque.

Relief valve set too low.

Set relief valve at 2100 psi/145 bar.

 

Fluid restriction in hose or valve.

Locate and remove restriction.

 

Excess flow and pressure loss.

Use correct fluid.

 

 

Fluid not warmed up. Preheat system.

 

 

Hoses too long for hose ID. Use shorter

 

 

hose.

 

 

Hose ID too small for hose length. Use

 

 

larger ID hose.

Low tool speed.

Fluid flow rate is too low.

Check circuit flow rate.

High tool speed.

Fluid flow rate is excessive.

Check circuit flow rate. Add proper flow

 

 

control valve or reduce the pump RPM.

Oil leaks around gear housing.

Hydraulic pressure and return

Correct hose connections. Pressure should

 

hoses reversed.

be to the handle port away from the trigger,

 

 

return is near the trigger, then replace the

 

 

main shaft oil seal.

Oil gets hot, power unit working

Open-center tool on a closed-

Use tools to match circuit.

hard.

center circuit or vice-versa.

 

 

Circuit relief set too low.

Adjust relief valve to 2100 psi/145 bar.

 

Too much oil going through tool.

Adjust flow for 12 gpm/45 lpm maximum or

 

 

less.

Oil leaks at reversing spool.

Damaged O-rings.

Replace as required.

 

Wrong hydraulic fluid. Circuit too

Refer to Operation section for correct fluid/

 

hot.

circuit specifications.

Oil leak at motor cap face.

Fasteners loose.

Refer to Service Manual.

 

Face O-ring worn or missing.

Replace as required.

 

Motor cap/main housing dam-

Replace as required.

 

aged.

 

DL07 User Manual ◄ 13

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Contents Hydraulic Drill Weisbeck, Andy Declaration of ConformityTable of Contents Local Safety Regulations Safety SymbolsSafety Precautions PSI / 140 BAR Tool Stickers & TagsHose Types Hose Safety TagsTAG Shown below is Attached to Conductive Hose Tool to Hydraulic Circuit Hose Recommendations Hose RecommendationsHtma / Ehtma Requirements Htma / Ehtma RequirementsOperation Preoperation ProceduresDrill Operation Assist HandleCold Weather Operation Tool Protection & Care Problem Cause Solution TroubleshootingTorque Hydraulic Flow Drill Speed Torque and Drill SpeedsSound and Vibration Declaration Wood Auger BITS, 5/8 Inch HEX AccessoriesWood Auger BITS, 7/16 Inch HEX DL07 Parts Illustration QTY Description DL07 Parts ListUnderwater Models only Underwater Tools Depth Guideline

DL07 specifications

Stanley Black & Decker DL07 is a powerful and versatile cordless impact wrench designed for both professionals and DIY enthusiasts. Renowned for its robust performance and innovative features, the DL07 is ideal for a wide range of applications, including automotive repair, construction, and heavy-duty fastening tasks.

One of the standout features of the DL07 is its brushless motor technology, which offers superior efficiency and increased runtime compared to traditional brushed motors. The brushless design not only enhances the tool's longevity but also ensures consistent power delivery, allowing users to tackle tough jobs with ease. The motor generates impressive torque, providing the necessary strength to loosen stubborn bolts and drive fasteners quickly.

The 20V battery platform is another hallmark of the DL07, offering a powerful power source with extended battery life. Users can easily swap batteries with other tools in the Stanley Black & Decker lineup, making it a convenient addition to any toolkit. The tool’s ergonomic design, complemented by an adjustable soft grip, ensures comfort during prolonged use, reducing user fatigue.

The DL07 also features a built-in LED work light, illuminating dark working areas and enhancing visibility while working in confined spaces. This is particularly useful for automotive work and other applications where lighting is subpar. Additionally, the variable speed trigger provides precise control over the wrench's speed, allowing users to adjust the power output based on the specific task at hand.

With its 1/2-inch anvil and friction ring, the DL07 ensures quick and secure socket changes, making it easy to switch attachments as needed. The compact and lightweight design enhances portability, making it an ideal option for users who often work in tight or elevated spaces.

Durability is key, and the DL07 excels in this area as well, featuring a rugged housing designed to withstand the rigors of daily use. Whether you're a seasoned professional or a home improvement novice, the Stanley Black & Decker DL07 impact wrench delivers the performance, reliability, and innovative features needed to get the job done efficiently. With its combination of power, versatility, and user-friendly design, it stands out as a top choice in the cordless impact wrench market.
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