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SAFETY, OPERATION AND
MAINTENANCE MANUAL
DOA
Via Cortiva 5 – 22060 NOVEDRATE (
TEL ++39 031 792040 - FAX ++39 031 791917
www .doa .it
HYDRAULIC
HAMMER DRILL
s.r.l.
E-mail: info@doa.it
JULY 2013
HD 13
IMPORTANT
READ MANUAL BEFORE USE
KEEP THIS MANUAL FOR
FUTURE CONSULTATIONS
Como
– 1° edition
)
ITALY
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Summary of Contents for DOA HD 13
- Page 1 SAFETY, OPERATION AND MAINTENANCE MANUAL JULY 2013 – 1° edition HD 13 HYDRAULIC HAMMER DRILL IMPORTANT READ MANUAL BEFORE USE KEEP THIS MANUAL FOR FUTURE CONSULTATIONS s.r.l. Via Cortiva 5 – 22060 NOVEDRATE ( 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 APPLICATION ACCESSORIES ON REQUEST TYPICAL POWER SOURCES TECHNICAL CHARACTERISTICS GENERAL VIEW - MAIN COMPONENTS AND THEIR FUNCTIONS WEIGHT AND DIMENSION PERFORMANCES - SPEED HYDRAULIC CHARACTERISTICS •... -
Page 3: Introduction
INTRODUCTION DEAR CUSTOMER, CONGRATULATIONS FOR HAVING PURCHASED A DOA PRODUCT. THE TOOL 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: General View - Main Components And Their Functions
GENERAL VIEW – MAIN COMPONENTS AND THEIR FUNCTIONS TRIGGER – is the ON/OFF control of the tool, it has a device that prevents accidental tool starting , it can be pressed with minimal effort to guarantee operator comfort also in long cutting operations RETURN HOSE –... - Page 6 PERFORMANCES BLOW PER MINUTE 2100 ROTATION SPEED 260 rpm HOSE REQUIREMENTS For 20 meters flexible hoses connections use double hydraulic hoses type: ½” diameter, SAE 100 R1/A. DOA suggest flush face couplers as per EHTMA standards .
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Page 7: What Not To Do
SAFETY PRECAUTIONS The operators and personnell in charge of the maintenance of this tool must read and understand the simple instructions and advices containde in this manual before the drill or beginning its maintenance. WHAT NOT TO DO NOTE The following list describes the most common incorrect uses of the tool. As it is impossible to foresee all the types of misuses possible, it is not sufficient to guarantee total security of the operators. -
Page 8: Before Working
BEFORE WORKING CONNECTION OF THE TOOL TO THE POWER PACK OR OTHER HYDRAULIC SOURCE Lay down the flexible hydraulic hoses avoiding the contact of the couplers with the mud or dirt. Lay the tool on a clean surface. Make sure that the tool is in perfect condition and that bits are well installed and that the spring return of the trigger is perfectly efficient First connect the flexible hoses to the power pack whose engine must be OFF. -
Page 9: End Of Operations
Before using the tool, check the operational area, freeing if of objects that could cause obstruction and ensuring that there are not electric cables or pipes walled in or under the part to be drilled or demolished. Prepare a sort of “working plan”, trying to foresee and avoid unexpected events, damage or, worse, accidents. -
Page 10: Maintenance And Care
4. DISCONNECT THE TOOL FROM THE OIL FLEXIBLE HOSE RELEASING FIRST THE PRESSURE HOSE ( IS THE UPPER HOSE NEAR THE HANDLE) CORRESPONDING TO THE HOLE WITH P – IN THIS OPERATION WILL PREVENT ACCIDENTAL PRESSURE TRAPPING INSIDE THE TOOL. 5. -
Page 11: Periodical Control
WITH THE TOOL PERFECTLY DRY, SPRAY A PROTECTIVE-DEWATERING PRODUCT (CRC-or WD40) ON THE TOOL AND ON THE QUICK COUPLERS. DRY UP COMPLETELY THE TOOL HANDLE TO GUARANTEE A FIRM GRIP PERIODICAL CONTROLS EVERY TIME THE EQUIPMENT IS USED : 1. CONTROL THAT THE TRIGGER RETURN SPRING IS EFFICIENT , AND THAT THE SCREWS, THE VALVES, AND ALL COMPONENTS ARE WELL INSTALLED AND EFFICIENT, IN CASE SOMETHING IS DAMAGED IMMEDIATELY DISCARD THE PART OR INFORM YOUR FOREMAN SO THE PARTS WILL NOT BE REUSED... -
Page 12: Disposal And Scrapping
ENVIRONMENT department of your municipality. 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... -
Page 13: Repair
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... -
Page 14: Disassembly
MORE THAN ONE INSTALLABLE POSITION, IN THE ORIGINAL POSITION. HYDRAULIC COMPONENTS INSPECTION THE HYDRAULIC MOTOR SHOULD NEVER BE DISASSEMBLED. IF THE MOTOR SHOWS OIL LEAKS OR OTHER DAMAGES IT MUST BE SHIPPED TO DOA FOR REPAIR SEALS - O-RINGS •... -
Page 15: Problem / Cause / Solution / Chart
IF WORKING PROBLEMS REOCCUR OVER AND OVER, THE CAUSE OR CAUSES OF MALFUNCTIONING ARE PROBABLY IN THE HYDRAULIC CIRCUIT. FOR SOLVING THESE PROBLEMS, CONTACT THE NEAREST DOA SERVICE AGENT. THE TROUBLE SHOOTING CHART PROBLEM-CAUSE-SOLUTION AT THE END OF THIS MANUAL GIVES SOME GENERAL INFORMATION ABOUT FUNCTIONING PROBLEMS LINKED WITH HYDRAULIC CIRCUITS. - Page 16 The power pack does not give sufficient Control the power pack pressure delivery pressure The power pack has low setting of the Increase setting of relief valve of power relief valve pack Tool broken Control and contact the nearest DOA service agent...
- Page 17 Control the flow delivery of power pack in insufficient flow to tool – High back case contact the nearest DOA service pressure agent Broken tool or broken power pack or bad Control or repair and contact the nearest...
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Page 18: 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.
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