Safety Precautions; Unintended Machine Movement; Flammable Cleaning Solvents; Fluid Under Pressure - Danfoss 51 Series Service Manual

Service Manual
Introduction

Safety Precautions

Series 51 Hydraulic Proportional Controls Service Manual
Always consider safety precautions before beginning a service procedure. Protect yourself and others
from injury. Take the following general precautions whenever servicing a hydraulic system.

Unintended Machine Movement

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Warning
Unintended movement of the machine or mechanism may cause injury to the technician or bystanders.
To protect against unintended movement, secure the machine or disable/disconnect the mechanism
while servicing.

Flammable Cleaning Solvents

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Warning
Some cleaning solvents are flammable. To avoid possible fire, do not use cleaning solvents in an area
where a source of ignition may be present.

Fluid Under Pressure

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Warning
Escaping hydraulic fluid under pressure can have sufficient force to penetrate your skin causing serious
injury and/or infection. This fluid may also be hot enough to cause burns. Use caution when dealing with
hydraulic fluid under pressure. Relieve pressure in the system before removing hoses, fittings, gauges, or
components. Never use your hand or any other body part to check for leaks in a pressurized line. Seek
medical attention immediately if you are cut by hydraulic fluid.

Personal Safety

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Warning
Protect yourself from injury. Use proper safety equipment, including safety glasses, at all times.

Hazardous Material

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Warning
Hydraulic fluid contains hazardous material. Avoid prolonged contact with hydraulic fluid. Always
dispose of used hydraulic fluid according to state, and federal environmental regulations.
11009446 • Rev BA • July 2014 5