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 Rev D 

 1  Safety 

 

1.1  Hazards when handling the heat exchanger 

 

BOWMAN

®

 Hydraulic Oil Coolers are constructed to current practice and recognised safety standards.  

Hazards may still arise from operation, such as: 

 

Injury of the operator or 

 

Third parties or 

 

Damage to the heat exchanger or 

 

Damage to property and equipment 

 

Any person involved with the installation, commissioning, operation, maintenance or repair of the heat 

exchanger must be: 

-

 

Physically and mentally capable of performing such work 

-

 

Appropriately qualified. 

-

 

Comply completely with the installation instructions 

 

The heat exchanger must only be used for its intended purpose. 

In the event of breakdowns which may compromise safety a suitably qualified person must always be 

contacted. 

 

1.2  Approved use 

 BOWMAN

®

 Hydraulic Oil Coolers are only approved for cooling hydraulic oil.   Any other use unless 

specified by 

BOWMAN

®

 

is not approved.  

BOWMAN

®

 declines all liability for damage associated or 

arising from such use. 

 

The maximum permissible operating pressure must not exceed:  

Oil (primary side) 

 

20 bar max. 

 

 

 

 

 

Water (secondary side)   

16 bar max. 

Applies  to  EC-RK  three  pass  threaded  connections  only  –  for  other  versions  please  contact 

BOWMAN

®

 for guidance. 

 

The maximum permissible operating temperature must not exceed: 

 

 

 

Oil (primary side) 

 

120 Deg.C 

 

 

 

 

 

Cooling Water (secondary side)  : 

110 Deg.C 

Variants with higher temperature and pressure ratings are available.  Please contact the Sales for further 
details.   

Summary of Contents for EC Series

Page 1: ...HYDRAULIC OIL COOLER Installation Operation Maintenance Guide REG NO FM 38224 BS EN ISO 9001 2008 ...

Page 2: ...o ensure the long lasting performance from your new Hydraulic Oil Cooler Copies of the Hydraulic Oil Cooler brochure are available in other languages from French German http www ejbowman co uk downloads htm Italian Spanish All rights reserved E J Bowman Birmingham Ltd reserve the right to change specification and technical alteration without prior notice No part of this guide may be reproduced or ...

Page 3: ... E R A T I O N 8 4 C O M M I S S I O N I N G 8 5 M A I N T E N A N C E R E P A I R 5 1 Winter shut down in areas exposed to frost 9 5 2 General maintenance 9 5 3 Cleaning 9 5 4 End cover bolt tightening sequence 10 6 P O T E N T I A L S E R V I C E I S S U E S 6 1 Tube failures 10 6 2 Fault finding 11 7 W A R R A N T Y 11 8 S P A R E P A R T S 11 9 C E M A R K I N G 12 E J Bowman Birmingham Ltd Ch...

Page 4: ...tended purpose In the event of breakdowns which may compromise safety a suitably qualified person must always be contacted 1 2 Approved use BOWMAN Hydraulic Oil Coolers are only approved for cooling hydraulic oil Any other use unless specified by BOWMAN is not approved BOWMAN declines all liability for damage associated or arising from such use The maximum permissible operating pressure must not e...

Page 5: ...mise fluid loss 2 Installation 2 1 Transport storage The heat exchanger must be fully drained down prior to transportation Once drained and fully dry the heat exchanger must only be stored indoors within a non aggressive atmosphere The connections should be capped to avoid ingress of dirt and contaminants 2 2 Fitting Before fitting the heat exchanger should be checked for visible signs of damage T...

Page 6: ...er fittings are not recommended as these can split the shell and end cover castings if over tightened The correct length of fitting should be used as too long a fitting will damage the tubestack Pipework materials must be compatible with the oil cooler materials Stainless steel sea water pipes and fittings should not be used adjacent to the heat exchanger If the sea water supply is taken from the ...

Page 7: ...admiralty brass tube or its variants The purpose of the zinc anode or zinc pencil as it is sometimes called is to prevent dezincification of the brass alloy tubes As such zinc anode acts sacrificially in favour of the tube There are a number of American and European manufacturers that use these anodes in their products Bowman do not fit zinc anodes as the tubes used in the construction of our cool...

Page 8: ...st be adequately vented from both circuits f Stagnant water should not be allowed to accumulate in the oil cooler If it is not in use for any period of time the water should be drained off 4 Commissioning Commissioning of the heat exchanger should not be undertaken until such time that this document has been fully read and understood The primary and secondary circuits of the heat exchanger must be...

Page 9: ... solution can be circulated through the heat exchanger or the unit can be disassembled and the tubestack submerged in a container filled with cleaning fluid If necessary the fluid should be neutralized after cleaning and the unit should be flushed with fresh water and dried Small diameter rods and brushes for tube cleaning are available from companies such as Easy Products www easyproductsltd com ...

Page 10: ...ter is stagnant Low sea water flow rates can create a high temperature rise on the sea water side Under these conditions deposits may build or settle in the tube allowing pitting corrosion to take place under the deposits This is only a brief introduction to corrosion problems The subject is complex and the purpose of these notes is to outline in very general terms what may occur under extreme con...

Page 11: ...arts A comprehensive stock of spare parts is always available Details are given in the Hydraulic Oil Coolers brochure which can be downloaded from http www ejbowman co uk products HydraulicOilCoolers htm Please contact our sales department for price and availability or nearest stockist 9 CE Marking Documentation Heat exchangers are covered by the Pressure Equipment Directive 97 23 EC which is mand...

Page 12: ...followingindustries CHP Power Generation Engine Test House Cooling Marine Cooling Swimming Pool Heating Fishing Industry Cooling The product range includes Aquatic Heat Exchangers Calorifiers Exhaust Gas Heat Exchangers Plate Type Heat Exchangers Shell Tube Oil Coolers Stainless Steel Heat Exchangers Swimming Pool Heat Exchangers ...

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