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TROUBLE SHOOTING

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USE ONLY ORIGINAL SPARE PARTS, AVAILABLE AT ALL AUTHORIZED SERVICE CENTRES.

FAULT

POSSIBLE CAUSE

REMEDY

Pressure drop in tank

Air leaks at connections

Allow the compressor to reach max. 
pressure allowed. Switch it of and brush 
a soapy water solution onto all air 
connections. Look carefully for air bubbles
flowing out. Tighten those connections
where leaks are present.
If the problem is still present, contact the
After Sales Service.

The pressure switch 
valve leaks when the 
compressor is idle

Non-return valve seal defective

Contact your Local Service Centre

The compressor 
stopped and does not 
start

Overload cut-out tripped

See Page 8

The compressor does 
not stop even though 
the max. pressure 
allowed has been 
reached; the safety 
valve operates

Incorrect Setting

Contact your Local Service Centre

The compressor does 
not get to the set 
pressure and 
overheats

Compressor head gasket broken 
or valve faulty

Contact your Local Service Centre

The compressor is 
noisy with metallic 
clangs

Bearing or connecting rod 
seizure

Contact your Local Service Centre

The compressor does 
not hold regular speed

Belt is slipping

Contact your Local Service Centre

Summary of Contents for 77709

Page 1: ...e performing any kind of adjustment to the product and prior to any maintenance tasks By following all the general safety instructions contained in this manual it will ensure both product and operator safety together with longer life of the tool itself All photographs and drawings in this manual are supplied by DraperTools to help illustrate the operation of the product Whilst every effort has bee...

Page 2: ... declaration relates is in conformity with the following directive s 98 37 EC 97 23 EC 2000 14 EC 73 23 EEC 89 336 EEC 87 404 EEC JOHN DRAPER Managing Director 16 07 2004 CONTENTS Contents Declaration 1 Specification Guarantee 2 Power Supply 3 General Safety Instructions 4 Getting to KnowYour Compressor 5 Assembly 6 Operation and Use 6 8 Maintenance 8 10 Trouble Shooting 11 1 100 150 200 LITRE COM...

Page 3: ... Hampshire SO53 1YF England Telephone 023 8026 6355 If upon inspection it is found that the fault occurring is due to defective materials or workmanship repairs will be carried out free of charge This guarantee does not apply to normal wear and tear nor does it cover any damage caused by misuse careless or unsafe handling alterations accident or repairs attempted or made by any personnel other tha...

Page 4: ... The mains lead is coloured Green andYellow Earth Blue Neutral Brown Live As these colours may be correspond with the coloured markings identifying the terminals in you 16amp plug proceed as follows The wire which is coloured Green andYellow must be connected to the terminal in your plug marked with the letter E or by the earth symbol or coloured green or green andYellow The wire which is coloured...

Page 5: ...taining or replacing damaged parts ALWAYS disconnect the compressor from the power supply 5 EARTH This compressor is equipped with an approved 3 core power cable The green and yellow conductor in the core is the earth wire NEVER connect the yellow and green wire to a live terminal 6 AVOID DANGEROUS ENVIRONMENTS Do not use the compressor in damp or wet locations or expose it to rain Keep the work a...

Page 6: ... Gauge 5 UNPACKING After removing the packing material make sure the product is in perfect condition and that there are no visible damaged parts If in doubt do not use the compressor and contact the dealer from whom it was purchased The packaging materials plastic bags polystyrene etc must be disposed of in an appropriate refuse collection container These materials must not be left within the reac...

Page 7: ...replace the oil with one of those listed see page 10 When the installation procedure is complete the compressor is ready for use Make sure the pressure switch is positioned OFF Switch on the power then position the pressure switch to the ON position to start the compressor Fig 2 When starting the compressor for the first time leave it running for about 10 minutes with the air tap A or the bung on ...

Page 8: ...the machine from the power supply and turn the adjustment bolt clockwise 3 turns and replace the switch cover Run the compressor up to the desired capacity for the pressure switch to be set do not let the compressor run past its maximum pressure At this point turn the mains power off and disconnect from the supply Remove the cover and adjust the bolt anti clockwise gently until the switch is heard...

Page 9: ...he compressor proceed as follows Allow three minutes Position the pressure switch to 0 OFF Manually reset the thermal cut out Position the pressure switch to 1 ON If you restart the compressor and the overload cut out releases again turn the main switch to position 0 OFF unplug the equipment and contact the Authorized Service Centre If disconnection is required from the air tap assembly ensure the...

Page 10: ...the oil does not drop below the minimum so as to avoid any damage or seizure Drain condensation while the tank is pressurised by opening the valve H located under the tank Open the valve by turning it anti clockwise Fig 8 with a container under the valve Keep the compressor in a position to allow all condensation to flow out completely MONTHLY OPERATIONS OR MORE FREQUENTLY IF THE COMPRESSOR OPERAT...

Page 11: ... if necessary replace the seal Check intake and delivery valves on valve plates Recommended Oils Recommended oils with ISO 100 viscosity for compressors in accordance with DIN51506 VDL 100 E Standards and ISO6521 L DAC Specifications suitable for room temperature ranging from 6 C and 25 C AGIP DICREA100 API CM 8X BP ENERGOL CS100 CASTROL AIRCOL PD100 ESSO EXX OLUB H150 IP CALATIA OIL ISO 100 MOBIL...

Page 12: ...when the compressor is idle Non return valve seal defective Contact your Local Service Centre The compressor stopped and does not start Overload cut out tripped See Page 8 The compressor does not stop even though the max pressure allowed has been reached the safety valve operates Incorrect Setting Contact your Local Service Centre The compressor does not get to the set pressure and overheats Compr...

Page 13: ...NOTES 12 ...

Page 14: ...NOTES 13 ...

Page 15: ...NOTES 14 ...

Page 16: ...355 Fax 023 8026 0784 Published by Draper Tools Ltd No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior permission in writing from Draper Tools Ltd YOUR DRAPER STOCKIST http www draper co uk e mail sales drapertools com ...

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