CompAir EO40/0001, User Manual

CompAir Limited

page 8

electrical components while voltage is applied

unless it is necessary for measurements, tests or

adjustments. Such work should be carried out only

by a qualified electrician equipped with the proper

tools and wearing appropriate body protection

against electrical hazards.

On a unit equipped with an Automatic Start/Stop

system, attach a sign stating 

'THIS UNIT MAY

START WITHOUT WARNING' 

next to the display

panel.

On a unit equipped with an Automatic Restart

device, attach a warning notice stating 

'THIS UNIT

HAS BEEN MODIFIED AND WILL START

AUTOMATICALLY ON APPLICATION OF POWER'

next to the display panel and on the inside of the

unit next to the starter contactors.

If the unit is equipped with a Remote Control device,

attach warning notices stating 

'THIS UNIT CAN BE

STARTED REMOTELY'

 in prominent locations, one

on the outside of the unit, the other inside the

control compartment.

As a further safeguard, take adequate precautions

to make sure there is no one checking or working

on the unit before attempting to switch on remotely

controlled equipment. Attach a 

'CHECK THAT ALL

PERSONNEL ARE CLEAR OF THE UNIT BEFORE

STARTING'

 or similar warning notice to the remote

start equipment.

Parts of the compressor, auxiliary equipment and

pipework with a working temperature in excess of

80°C must be insulated or guarded and clearly

marked in accordance with the local safety code.

If there is any indication that the compressor is

overheating it must be shut down and the cause

investigated. Beware of burns from hot metal parts,

hot oil and water when working on a unit which has

recently been shut down.

The compressor must not be operated at pressures

above the nominal pressure given on the data plate.

The compressor must not be operated in ambient

temperatures outside of those given under 'Leading

Particulars'.

The 'Noise at Work Regulations 1989' suggest that

ear protectors should be worn where noise levels are

85 dB(A) or higher.

Be aware that high noise levels can interfere with

communication.

6.

MAINTENANCE AND REPAIR PRECAUTIONS

Maintenance, repairs or modifications must only be

carried out by competent personnel under a qualified

supervisor.

If replacement parts are needed use only CompAir

Genuine Parts.

Before removing any panels from the enclosure, if

fitted, or dismantling any part of the unit, carry out

the following preparatory operations:-

1.

Isolate the compressor unit from the main

electrical power supply. Lock the isolator in the

'OFF' position and remove the fuses.

2.

Attach a label to the isolator switch and

display panel carrying the warning 

'WORK IN

PROGRESS - DO NOT APPLY VOLTAGE'. 

Do

not switch on electrical power or attempt to

start the unit if a warning label is attached.

3.

Close the isolating valve between the

compressor unit and the users pipework. Close

the isolating valve in the cooling water inlet

pipe. Attach a label to each valve carrying the

warning 

'WORK IN PROGRESS - DO NOT

OPEN'

4.

Check that all pressurised air trapped in the

system is released to atmosphere. Check that

all pressure gauges on the display panel

register zero.

5.

Ensure that the cooling water system has

been drained on water cooled models.

6.

Check that the drain valve on the delivery

manifold is clear and air pressure released.

7.

Open the manual drain cock to ensure that

pressurised air trapped between the first and

second stages has been released.

8.

Stand clear of the valve covers when removing

the securing screws.