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20
Technical Data
MODEL
WORKING PRESSURE
MAX PRESSURE
WEIGHT
DIMENSIONS LxW
TOOL CHUCK SIZE
HOSE CONNECTION
REQUIRED OIL FLOW
DRILL HOLE FLUSHING BUILT-IN
AIR COMPRESSOR
COMPRESSOR PRESSURE
AIR DISPLACEMENT
UNIT SERIAL NUMBER
SKIDRIL
P.O. BOX 8041
GREENSBORO, NC 27419
TEL: 800-843-3745
HD20
1600-1800 psi
2500 psi
46 lbs
24-5 / 8 " x 1 6 -1 / 4 "
7 / 8 " x 4 -1 / 4 "
3 / 8 "
5.5-7 GPM
29 psi
28 CFM
SKIDRIL
OPERATION & PARTS
MANUAL
HYDRAULIC ROCKDRILL
MODEL HD20
ANY PERSON
OPERATING THIS
MACHINE SHOULD
READ AND
UNDERSTAND THIS
MANUAL FIRST!
FOLLOW ALL SAFETY
INSTRUCTIONS
1-800-843-3745
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Troubleshooting
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Summary of Contents for SKIDRIL HD20
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Page 1: Technical Data
WEIGHT 46 lbs HYDRAULIC ROCKDRILL DIMENSIONS LxW 24-5 / 8 ” x 1 6 -1 / 4 ” MODEL HD20 TOOL CHUCK SIZE 7 / 8 ” x 4 -1 / 4 ” HOSE CONNECTION 3 / 8 ” ANY PERSON REQUIRED OIL FLOW 5.5-7 GPM... - Page 2 Contents Warranty Information CONTROL IDENTIFICATION The production of SKIDRIL hydraulic equipment is based on many years of experience and the use of high quality material which enables the equipment to resist the mechanical and thermic stress occurring under normal working conditions.
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Page 3: Operation
Parts List Applications The following constitute conventional and NOTICE! acceptable uses for the HD20 hydraulic drill/ breaker. * DO NOT use the rockdrill in applications 1. Hand drilling up to a 3-1/2” diameter hole in for which it is not r o c k o r c o n c r e t e u p t o a d e p t h o f 5 ’... - Page 4 9. Disconnect the quick-connect couplings at * DO NOT use The nitrogen accumulator is a feature of the HD20 that requires regular the rockdrill end. Connect both sets of mo r e t h a n 2 5 ’ o f service.
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Page 5: Maintenance
Damaged packing * Replace Motor housing O-ring worn. * Replace * SKIDRIL strongly recommends having your model HD20 9. Oil leaks from internal shaft. rockdrill serviced exclusively by a factory authorized SKIDRIL service center. Due to extremely high manufacturing CAUSE... -
Page 6: Troubleshooting
Troubleshooting Troubleshooting Continued 1. Drill does not operate when 3. Drill operates but strikes and rotates at slow rate. control lever is depressed. CAUSE SOLUTION CAUSE SOLUTION Start the power source and Hydraulic power source is not Low hydraulic source flow rate. Increase flow rate by increasing switch selector valve to allow oil in operation, or selector valve... -
Page 7: Troubleshooting
Failure to do this will result in poor flushing of the drill cuttings, and worse may result in premature wear of the compressor cylinder, piston ring and valve. * SKIDRIL strongly recommends having your model HD20 rockdrill serviced exclusively by a factory authorized SKIDRIL service center. Due to extremely high manufacturing... - Page 8 Using standard breaker tools will damaged hoses, result in unsatisfactory breaking performance. Call fittings or fasteners. SKIDRIL for prices and availability of slotted breaker tools. * DO NOT substitute hoses for another 5. Start the hydraulic power source and open flow make/type.
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Page 9: Control Identification
Control Identification Service Notes Nitrogen Accumulator A - CONTROL LEVER - Starts and stops drilling/impact function. B - HANDLE GRIP - Used to control and support the drill. C - AIR COMPRESSOR - Compresses air for flushing drill hole cuttings. D - HYDRAULIC HOSES - Top is pressure, Bottom returns to power source. -
Page 10: Safety First
NOT: USE EQUIPMENT IN APPLICATIONS FOR WHICH IT IS NOT INTENDED. goes here DO NOT: USE IMPROPERLY TRAINED OR UNQUALIFIED Your SKIDRIL requires regular service (at least PERSONNEL TO OPERATE OR PERFORM REPAIRS ON THIS annually) to maintain it in good running order, and EQUIPMENT. ensure long life.
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