Overview; Safety Precautions; Unintended Machine Movement; Flammable Cleaning Solvents - Danfoss 45 J Series Service Manual

Service Manual
Introduction

Overview

Safety Precautions

Series 45 J Frame Open Circuit Axial Piston Pumps
This manual includes information for the installation, maintenance, and minor repair of the Series 45
frame J open circuit axial piston pumps. The manual includes a description of the units and their
individual components, troubleshooting information, and minor repair procedures. Performing
installation, maintenance, and minor repair of Series 45 J frame axial piston pumps according to the
procedures in this manual will not affect your warranty.
Performing minor repairs requires the unit to be removed from the vehicle/machine. Thoroughly
clean the unit before beginning maintenance, or repair activities. Since dirt and contamination are
the greatest enemies of any type of hydraulic equipment, follow cleanliness requirements strictly.
This is especially important when changing the system filter and when removing hoses or plumbing.
A worldwide network of Danfoss Authorized Service Centers (ASCs) is available for major repairs.
Major repairs require the removal of the unit's endcap, which voids the warranty unless done by an
ASC. Danfoss ASCs are trained by the factory and certified on a regular basis. You can locate your
nearest ASC using the distributor locator at www.Danfoss.com
Always consider safety precautions before beginning a service procedure. Protect yourself and others
from injury. Take these general precautions whenever servicing a hydraulic system.

Unintended machine movement

 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

 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

 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

 Warning
Protect yourself from injury. Use proper safety equipment, including safety glasses, at all times.
520L0607 • Rev AI • Sep 2013
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