Introduction; Safety Instructions; Description - Parker QAC Manual De Instalación Y Servicio

Introduction

The purpose of this manual is to serve as a reference guide for
installation, maintenance and operation of the QAC series of air
oil coolers.
Keep the manual at hand. A lost manual should be replaced as
soon as possible.
For optimum performance and in order to prevent incorrect
use, please read this manual carefully and observe all safety
precautions prior to putting the air oil cooler into service.
Installation and maintenance work should only be carried out by
qualified personnel. Parker reserve the right to make technical
alternations without notice.
Use
The QAC-series of air oil coolers is designed to cool hydraulic
fluids in systems for industrial applications.
Warranty and claims
In the event of breakdown, consult your local Parker office. Parker
shall not be held responsible for any consequences due to modifi-
cation and/or variation made by the customer.

Safety instructions

The installation contractor as well as the user should be aware
of, understand and observe all safety precautions in this manual,
including any information mentioned on labels fixed to the
product.
Definition of Safety Warning Levels...
...concerning personal safety
All precautions concerning personal safety are classified as
per below, depending on how severe the consequences of an
incident could be.
Danger This alerts you to an action or procedure that, if
performed improperly, will produce bodily harm or death.
Caution This alerts you to an action or procedure that, if
performed improperly, is likely to produce bodily harm or
death.
Precaution This alerts you to an action or procedure that, if
performed improperly, is likely to cause an accident with
physical harm.
...concerning other safety issues
Notifications concerning other safety issues (property, process
or environment) and maintenance work are classified as follows.
Important This alerts you to an action or procedure that, if per-
formed improperly, is likely to result in damages to the product,
process or environment.
...concerning additional information
Additional information is marked as follows:
Note! This alerts you to important information related to the text
in a paragraph.
Overall instructions
Lifting
Caution Risk of bodily injury. To prevent physical harm
when lifting the unit, ensure correct lifting tech-nique.
Make sure that all lifting devices are free from damage and
approved for the weight of the air oil cooler.
Installation
Danger Electrical shock hazard. All electrical connections
must be made by a qualified electrician!
Installation and Servicing Manual - QAC
Operation, handling and maintenance
Caution Risk of bodily injury. Disconnect the motor
power supply prior to maintenance.
Caution Risk of bodily injury. Before disconnecting the
hydraulic hoses and connections, make sure the system
is depressurized.
Caution Risk of severe burns. This indicates danger
from high temperature surfaces. The air oil cooler could
become extremely hot during operation. Always make sure
the cooler is cool before touching.
Precaution Risk of bodily injury. If the air oil cooler is
fitted with a thermo contact, the fan will start automati-
cally when the preset temperature has been reached. Be
careful when standing close to rotating units.
Precaution This indicates a toxic hazard. To prevent
bodily injury, damage to property or environment, used
fluid should be collected and taken to a special depôt.
Important! Static electricity. Fans generate static electricity. Do not
put sensitive devices (electronics etc.) in the immediate vicinity of
the air oil cooler. Antistatic fans are available on request.
Note! Use hearing protection when standing close to an operating
air oil cooler for long periods of time.
Warning label
The warning label shown below is fitted to the air oil cooler at
delivery. Always replace a damaged or missing label.
Caution! High temperature surface! Use hearing protection!
Rotating fan! (P/N 500029 - 70x30 mm or P/N 5000291 -
120x50 mm) See Figure 1.

Description

Principally the QAC air oil cooler consists of a cooler matrix, an
AC-motor, a fan, a fan housing and a fan guard. The cooler ma-
trix is fitted to the hydraulic system with hydraulic hoses.
QAC air oil coolers are equipped with a standard three phase
asynchronous inner rotor motor according to IEC 60072 and
IEC 60034.
Normal ambient temperature for the electric motor:
-20 °C - +40 °C.
Connect the electrical motor to the electricity supply system
according to Electrical connection.
See, the rating plate for further information.
The electric motor on large air oil coolers is equipped with a
motor bracket. The air oil cooler can be provided with a thermo
contact. The fan will then start automatically when the preset
temperature has been reached.
The acoustic pressure level could reach 50-92 LpA dB(A) at 1 m
distance normal operating conditions. Inappropriate locatation,
or operation under extreme conditions, could generate increase
in acoustic pressure level and reduced cooling capacity. For
general operating data, see Technical data.
Identification plate
The identification plate is fitted on the fan housing. See Figure 2.
The identification plate contains the following information:
A – Part number
B – Designation
C – Serial number
D – Date of delivery
(year and week, e.g. 1943, i.e. year 2019 and week 43).
Replace a damaged or missing type plate as soon as possible.
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