Troubleshooting, Problem Cause Remedy | Stanley Black & Decker BR87

TROUBLESHOOTING

PROBLEM

CAUSE

REMEDY

Tool does not run.	Power unit not functioning.	Check power unit for proper flow and pressure
		(7–9 gpm/26–34 lpm, 1500-2000 psi/105–140 bar.
	Couplers or hoses blocked.	Remove restriction.
	Pressure and return line hoses	Be sure hoses are connected to their proper ports.
	reversed at ports.
	Mechanical failure of piston or	Disassemble breaker and inspect for damaged
	automatic valve.	parts.
Tool does not hit effectively.	Power unit not functioning.	Check power unit for proper flow and pressure
		(7–9 gpm/26–34 lpm, 1500–2000 psi/105–140
		bar.
	Couplers or hoses blocked.	Remove restriction.
	Low accumulator charge	Recharge accumulator. Replace diaphragm if
	(pressure hose will pulse more	charge loss continues.
	than normal).
	Fluid too hot	Provide cooler to maintain proper fluid
	(above 140 °F/60 °C).	temperature (130 °F/55 °C).
	The collar support is not sliding	Remove, clean and replace as required. Make
	freely in the foot bore.	sure hex bushing is in the proper location.
Tool operates slow.	Low gpm supply from power	Check power unit for proper flow (7–9 gpm/
	unit.	26–34 lpm).
	High backpressure.	Check hydraulic system for excessive
		backpressure (over 250 psi/17 bar).
	Couplers or hoses blocked.	Remove restriction.
	Orifice plug blocked.	Remove restriction.
	Fluid too hot (above	Check power unit for proper fluid temperature.
	140 °F/60 °C) or too cold (below	Bypass cooler to warm the fluid or provide cooler
	60 °F/16 °C).	to maintain proper temperature.
	The collar support is not sliding	Remove, clean and replace as required. Make
	freely in the foot bore.	sure hex bushing is in the proper location.
	Relief valve set too low.	Adjust relief valve to 2100–2250 psi/145–155 bar.
Tool gets hot.	Hot fluid going through tool.	Check power unit. Be sure flow rate is not too
		high causing part of the fluid to go through the
		relief valve. Provide cooler to maintain proper fluid
		temperature (140 °F/60 °C max).
		Check the relief valve setting.
		Eliminate flow control devices.
Fluid leakage on tool bit.	Lower piston seal failure.	Replace seal.
Fluid leakage through charge	Upper piston seal failure or	Replace seals, recharge or replace accumulator
valve cap.	accumulator O-ring failure or	diaphragm.
	accumulator charge loss or
	failure.
Fluid leakage around trigger.	Valve spool seal failure.	Replace seals.

BR87 User Manual ◄ 13

BR87 specifications

Stanley Black & Decker BR87 is a robust and innovative tool that is designed to meet the demands of both professional contractors and DIY enthusiasts. This powerful tool combines cutting-edge technology with a user-friendly design, making it an essential addition to any toolbox.

One of the standout features of the BR87 is its high-performance motor. Designed to deliver a strong output, this motor ensures efficient operation across a variety of applications. Whether users are drilling into wood, metal, or masonry, the BR87 adapts to different materials effortlessly. Furthermore, the tool's variable speed control allows users to adjust the speed according to the task, providing added precision and versatility.

Another key characteristic of the BR87 is its ergonomic design. The tool is equipped with a comfortable grip that reduces hand fatigue during prolonged use. This is particularly beneficial for professionals who may be using the tool for extended periods on job sites. Additionally, its lightweight design makes it easy to maneuver, further enhancing user comfort.

The BR87 is also packed with advanced safety features. It includes a built-in overload protection system that prevents damage to the motor in case of excessive strain. This feature not only prolongs the lifespan of the tool but also ensures user safety. The design adheres to the highest industry standards, making it a reliable choice for construction and renovation projects.

In terms of technology, the BR87 utilizes a brushless motor, which enhances its efficiency and runtime. Unlike traditional motors, brushless designs produce less heat and require less maintenance, resulting in longer operational life. This technology also contributes to reduced noise levels, making it pleasant to use in residential areas.

Additionally, the BR87 is compatible with a range of accessories and attachments, allowing users to customize their tool for specific tasks. From drill bits to chisels, the versatility of the BR87 makes it suitable for a wide array of projects.

In summary, the Stanley Black & Decker BR87 is a powerful, versatile, and user-friendly tool that combines advanced features with an ergonomic design. With its high-performance motor, brushless technology, and strong safety mechanisms, the BR87 stands out in its category. Whether for professional use or home improvement tasks, the BR87 delivers reliability and efficiency that users can depend on.