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Hydraulic 
Rock Drill  
HRD20 

 

From serial  
number 3195 
 
Revised 
18.10.2010 

 
 

 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

Prior to Operation 

 

We thank you for choosing a 
HYCON rock drill. 

 

To ensure smooth operation 
and long-lasting performance 
of your new tool, we re-
commend you to study this 
operating manual carefully and 
pay special attention to the 
chapters about 

 

Safety and Service 
Precautions

  

 
and 
 

Oil Flow and Pressure 

 

We hope you will be satisfied 
with your new HYCON rock 
drill. 
 
Best regards 
HYCON A/S 

 

 

HYCON A/S 

Juelstrupparken 11 
DK-9530 Støvring 
Denmark 
 
Tel: +45 9647 5200 
Fax: +45 9647 5201 
Mail 

[email protected]

 

www.hycon.dk 

 

Summary of Contents for HRD20

Page 1: ...ce of your new tool we re commend you to study this operating manual carefully and pay special attention to the chapters about Safety and Service Precautions and Oil Flow and Pressure We hope you will be satisfied with your new HYCON rock drill Best regards HYCON A S HYCON A S Juelstrupparken 11 DK 9530 Støvring Denmark Tel 45 9647 5200 Fax 45 9647 5201 Mail hycon hycon dk www hycon dk ...

Page 2: ... Oil Flow and Pressure 4 Starting Instructions 4 Technical Data 5 Performance Chart 6 Connection to Hydraulic Power Sources 7 Service and Maintenance 8 Oil Types 9 EC Declaration of Conformity 10 Warranty Conditions 11 Spare Parts List 12 ...

Page 3: ...roved hoses Contact your dealer if necessary The operator must pay extra attention and show caution when working in difficult working areas such as slopes and other dangerous nature of the ground Do not reach too far with the rock drill but always maintain a good footing and keep your balance The operator must be properly trained in using the rock drill or under supervision of a qualified instruct...

Page 4: ... The rock drill may never be operated without tool or without being held against the working surface as this may result in overload of the rock drill Always make sure that the rock drill labels and warning signs are legible Always use hoses couplings and spares as such recommend by HYCON A S Repairs may only be carried out by experienced personnel Make sure that all couplings are cleaned before co...

Page 5: ...s correct and that the maximum allowed pressure is not exceeded On page 5 you will find a complete survey of the technical data and on page 7 there is a guide to connection to hydraulic power sources and how to ensure that the rock drill is not overloaded Starting Instructions START Insert tool Connect hoses clean couplings before connection Set the power source on ON Get a good footing before you...

Page 6: ... relief valve on power source Max 150 bar Max oil temperature 80 C Tool chuck size 22x108 mm Built in compressor air supply Max 0 08 m min 2 bar Drilling performance ø45 3 m deep For drilling holes deeper than 800 mm the HRD20 must be rebuilt for external air supply Under water use The HRD20 must be rebuilt for external air supply Blow frequency rotations 4 settings 0 1 2 3 Blows 1 min 1500 1350 1...

Page 7: ...0 5 10 15 20 25 30 HRD20 3 8 hose diameter 1 2 hose diameter 5 8 hose diameter HRD20 Rock Drill Maximum length of different sizes of hoses Pressure from power pack 150 bar Flow 28 l p m zero elevation 2 set couplings per 10 m hose ...

Page 8: ...y is not too high the working pressure is not too high the return pressure is not too high the pressure relief valve is not set higher than 150 bar the internal diameter of the hoses is sufficient min all couplings are clean the power source is equipped with an oil filter of min 25 Micron Hoses with too small internal diameter and or defect couplings cause the rock drill to work with incorrect wor...

Page 9: ...r outlet MAINTENANCE 1 Check hydraulic oil on a regular basis to ensure it is always clean If the oil sticks or changes the colour replace it 2 Before starting check if oil volume is sufficient as it decreases by connecting and disconnecting the hoses 3 The air filter protects the built in compressor from sucking in dust Take out the element and the filter from the filter housing and clean them da...

Page 10: ...O Replacement of motor shaft o ring O Replacement of every o ring O Oil Types The HYCON rock drill uses standard hydraulic oil i e all types of mineral oil and biodegradable oil which comply with the following values Recommended viscosity 20 40 cSt Permitted viscosity 15 1000 cSt Viscosity index Min 100 Temperature area 20 to 70 C If using biodegradable oil we recommend the use of oil based on rap...

Page 11: ...195 service weight 25 kg is manufactured in conformity with the EC Directive 98 37 EC HYCON A S Juelstrupparken 11 DK 9530 Støvring Denmark Henrik Steen General Manager 15 04 2004 HYCON A S Juelstrupparken 11 DK 9530 Støvring Denmark Tel 45 9647 5200 Fax 45 9647 5201 Mail hycon hycon dk www hycon dk ...

Page 12: ...pplies to faults that can be related to construction and production errors Faults caused by incorrect operation incorrect handling lack of maintenance or the like will not be accepted as warranty The warranty covers the parts necessary for repair and the suggested average time needed for repair For further warranty details please contact your local dealer ...

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