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USE AND MAINTENANCE
HIGH PRESSURE HYDRAULIC POWER PACK
SAFETY MANUAL
KOLUBRA
DOA
s.r.l.
-
Via Cortiva 5
TEL +39 031 792040 FAX +39 031 791917
www.doa.it
DECEMBER 2008 – 2
READ THIS MANUAL BEFORE
USING THE TOOL
KEEP ALWAYS FOR FUTURE
REFERENCES
NOVEDRATE
22060
e-mail: info@doa.it
editionISSUE
IMPORTANT
(Como) ITALY
st
issue
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Table of Contents
Summary of Contents for DOA KOLUBRA
- Page 1 SAFETY MANUAL USE AND MAINTENANCE DECEMBER 2008 – 2 issue editionISSUE KOLUBRA HIGH PRESSURE HYDRAULIC POWER PACK IMPORTANT READ THIS MANUAL BEFORE USING THE TOOL KEEP ALWAYS FOR FUTURE REFERENCES s.r.l. NOVEDRATE Via Cortiva 5 22060 (Como) ITALY TEL +39 031 792040 FAX +39 031 791917 www.doa.it...
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Page 2: Table Of Contents
CONTENTS OF THE MANUAL Page INTRODUCTION SAFETY SYMBOLS DESCRIPTION OF THE PRODUCT Description Typical applications Accessories Other configurations available TECHNICAL CHARACTERISTICS General view – main components and their functions view of the control block Weight and dimension Hydraulic oil Flexible hose Quick couplers and use... -
Page 3: Introduction
INTRODUCTION Dear customer, Congratulations for having purchased a DOA product. The machine you bought, was manufactured with high quality materials to assure your maximum satisfaction and a long lasting service without problems. For your safety and obtaining the best result, we recommend to read this manual and respect the simple instructions contained, this will protect you from accidents and avoid damages to the equipment. -
Page 4: Safety Symbols
This symbol indicates important information WHEN THE EFFECTS OF A CERTAIN ACTION ARE NOT EXACTLY KNOWN, REMIND THAT EVEN THE SIMPLEST OPERATION MAY HIDE DANGERS. IN CASE OF DOUBTS DO NOT RISK – DO NOT MAKE EXPERIMENTS! ASK YOUR DOA DEALER OR YOUR FOREMAN. -
Page 5: Description
With electric motors single phase 230 Volt for INDOOR works or in applications where is not possible use gasoline engines With hydraulic motor ( oil to oil intensifier ), in this version is possible to power the KOLUBRA and obtaining high prerssure from a normal low pressure power pack or from the circuit of mini... -
Page 6: Technical Characteristics
5 - HYDRAULIC OIL TANK the oil capacity is 5 litres, tank is manufactured in steel sheet to resist to heat and impacts. 6 - PISTON PUMP it is quality a three pistons pump to assure durability and the best performances KOLUBRA is also available with electric motor and with hydraulic motor or equipped with oil cooler... -
Page 7: View Of The Control Block
VIEW OF THE CONTROL VALVE BLOCK Fig. 2 THE CONTROL VALVE BLOCK is the group that includes all hydraulic control components , the part is obtained working a laminated aluminium block 1 - PRESSURE GAUGE depending on models installed is rated for a maximum pressure of 600 or 700 2 - ON/OFF FLOW LEVER is the lever that controls the distribution valve that delivers oil to tools , the central position in the illustration is the OFF position where the tools are still , the lever must be put in this position before start and put off engine... -
Page 8: Weight And Dimension
KOLUBRA HIGH PRESSURE HYDRAULIC POWER PACK TECHNICAL CHARACTERISTICS WEIGHT AND DIMENSION WEIGHT ( dry ) HEIGHT LENGTH WIDTH HYDRAULIC CHARACTERISTICS PRESSURE min max 210 - 700 bar PRESSURE CAN BE REGULATED BY THE PRESSURE RELIEF VALVE FLOW max l/min 3... -
Page 9: Hydraulic Oil
TELLUS T 32 TELLUS T 46 If you use the hydraulic tools in extreme climatic conditions, please contact DOA for more information IN CERTAIN COUNTRIES OR IN SOME SPECIAL APPLICATIONS THE USE OF BIODEGRADABLE OIL IS PRESCRIBED BY LAW, IN THIS EVENTUALITY CONTACT DOA FOR MORE INFORMATION. -
Page 10: Flexible Hose
FEMALE QUICK COUPLER MALE QUICK COUPLER CEJN code 101151404 CEJN Code 101156404 DOA code A161103 DOA code A161104 DOA high pressure power packs and hydraulic tools are equipped with quick couplers made by CEJN like those one shown in the picture. - Page 11 USE OF THE QUICK COUPLERS CONNECTION Make sure that the contact surfaces of the couplers are clean and if necessary with a rag. Position the male coupler towards the female one, centring them. While pulling back the female knurled external bush press the male coupler against the female one. ...
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Page 12: Safety Rules
SAFETY RULES GENERAL SAFETY INSTRUCTIONS MAKE SURE THAT THE TOOL OR CYLINDER YOU ARE ACTIVATING FROM THE KOLUBRA IS RATED TO RESIST TO A PRESSURE OF 700 Bar OR TO THE PRESSURE YOU HAVE REGULATED FROM THE PACK THE FOLLOWING INSTRUCTIONS ARE GENERAL SAFETY RULES AND HAVE TO BE RESPECTED IN EVERY WORKS WITH POWER PACKS AND TOOLS. - Page 13 WORK ONLY IF THE ENGINES ARE OUTSIDE OR IN A WELL VENTILATED POINT. THE EXHAUST GAS OF THE ENGINES IS ODOURLESS AND ITS INHALATION CAN CAUSE SERIOUS OR FATAL ACCIDENTS. THE CONTACT WITH ELECTRIC ENERGIZED LINES CAN BE FATAL Pay the maximum attention when you cut, demolish, drill, etc.
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Page 14: What Not To Do
USE OF THE POWER PACK WHAT NOT TO DO THE FOLLOWING LIST IS GIVEN FOR DESCRIBING THE MORE COMMON ERRORS OR IMPROPER AND DANGEROUS USE OF THE POWER PACKS. SINCE IT IS IMPOSSIBLE TO FORESEE ANY DANGEROUS SITUATIONS, THE RULES ARE NOT SUFFICIENT TO GUARANTEE THE TOTAL SAFETY. -
Page 15: Before Working
4. CHECK THAT THE TOOL USED AND THE POWER PACK HAVE COMPATIBLE HYDRAULIC CHARACTERISTICS – IN CASE OF DOUBT DO NOT RISK but ask your DOA dealer or your foreman. 5. CLEAN THE POWER PACK PROPERLY if it is dirty, in particular clean the cooler eliminating mud or dirt, use compressed air if necessary ( see chapter ”... -
Page 16: Positioning Of The Power Pack
IF YOU WORK IN BAD WEATHER, WHEN THE OIL CAN BE VERY HARD AND VISCOUS, IT IS VERY IMPORTANT TO RESPECT THE FOLLOWING INSTRUCTIONS IN ORDER TO AVOID PROBLEMS OF THE PUMP SUCKING THE OIL ( CAVITATION PHENOMENON ) 1. USE HYDRAULIC OIL WITH THE RIGHT VISCOSITY ( SEE THE TABLE OF THE HYDRAULIC OILS IN THE PREVIOUS PAGES ) 2. -
Page 17: End Of Operations
IF A FLEXIBLE HOSE FULL OF OIL REMAINS UNDER THE SUN, THE OIL EXPANSION DUE TO THE HEAT CAN CAUSE A PRESSURE INCREASE AND PREVENT THE CONNECTION OF THE QUICK COUPLERS. TO DECREASE PRESSURE, LOOSEN ONE COUPLER, DRIPPING SOME OIL DROPS DE-PRESSURIZING THE HOSE. -
Page 18: Maintenance And Care
MAINTENANCE AND CARE OF THE POWER PACK PRESSURE RELIEF VALVE REGULATION THE PRESSURE RELIEF VALVE ( abbreviation RV ) IS LOCATED ON TOP OF THE VALVE BLOCK, THE RELIEF VALVE ADJUSTS AND CONTROLS THE MAXIMUM PRESSURE VALUE OF THE HYDRAULIC CIRCUIT PROTECTING THE TOOLS FROM RUPTURES OR EXCESSIVE PERFORMANCE. -
Page 19: Power Pack Cleaning
1. Prepare an Allen wrench of 3mm, an open wrench of 10 mm. . Loosen the lower blocking nut ( with a wrench of 10 mm ) of the RV and turn counter clock wise the central adjusting screw ( with a Allen key of 3 mm ) this operation will make sure that you start regulation from low pressures 2. -
Page 20: Periodical Controls And Substitution Of Wear Out Parts
CLEANING WITH RAGS OR PAPER The pack can also be cleaned with a damp rag, using a brush with gasohol or an air gun for eliminating all traces of dirt and oil Clean in particular the recessed points and cavities and the connection surface of the quick couplers. ... -
Page 21: Maintenance Of The Flexible Hose
MAINTENANCE OF THE FLEXIBLE HOSE INSPECTION OF THE HOSE Lay the flexible hoses on the floor and control if there are oil leaks and the hose surfaces are integral without peeled sections showing metallic braid with broken wires. the presence of little sections of wire braid can be tolerated only if the wires are not broken and still braided. -
Page 22: Disposal And Scrapping
Except for the liquids and materials of the previous list, the other components of the products manufactured by DOA are fabricated with recyclable materials that can be stored, disposed and scrapped without particular cautions. MATERIALS AND COMPONENTS USED BY DOA DO NOT CONTAIN ASBESTOS OR OTHER TOXIC ELEMENTS THAT REQUIRE SPECIAL CAUTION FOR THEIR USE. -
Page 23: Problem / Cause / Solution Chart
AUTHORIZED SERVICE AGENTS OTHERWISE THE WARRANTY WILL BE AUTOMATICALLY NULLIFIED. GENERAL INFORMATION Although we recommend that the repairs have to be carried out only by authorized DOA service agents, some minor repairs can be carried out also by other engineers, in this case follow these instructions: BEFORE DISASSEMBLY ... - Page 24 PROBLEM: THE HYDRAULIC TOOL HAS POOR PERFORMANCES CAUSE SOLUTION Damaged tool Check and/or repair the tool Low pressure - RV calibration Calibrate the RELIEF VALVE Engine not accelerated Increase engine acceleration and speed Improper circulation of the oil Control that oil pressure can reach well the tool –...
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Page 25: Warranty
WARRANTY All parts produced by DOA S.r.l. are guaranteed for a period of twelve months from the date of delivery to the final customer, against defect of: material, workmanship-assembly. Cost of labour and transports are not covered by warranty and should be paid by the customer. Parts and complete components not produced by DOA such as engines, compressors, alternators, etc., are covered by the warranty of the manufacturer.
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