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Dawson HPH 1200, User Manual

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Dawson HPH 1200 User Manual Download Page 22

Summary of Contents for HPH 1200

Page 1: ...G HAMMERS EXCAVATOR MOUNTED VIBRATORS EXCAVATOR MOUNTED DRILLS QUIET VIBRATIONLESS PUSH PULL PILING PILE EXTRACTION SHEET PILE GUIDE FRAMES SHEET PILE CAPPING SYSTEMS CFA CLEANERS PILE POINTS SPLICERS...

Page 2: ...ON PLANT LIMITED HPH 1200 HYDRAULIC HAMMER AND POWER PACK USER S MANUAL HAMMER SERIAL NO HAMMER COMMISSION DATE POWER PACK SERIAL NO POWER PACK COMMISSION DATE ENGINE TYPE ENGINE SERIAL NO POWER PACK...

Page 3: ...checks 4 4 1 Changing Resilient Washers 4 4 2 Other items Figure 5 4 5 Planned 1000 hour maintenance checks 5 0 Power Pack Maintenance 5 1 Power pack specifications 5 1 1 Basic specification 5 1 2 Lu...

Page 4: ...on DAWSON CONSTRUCTION PLANT LIMITED CHESNEY WOLD BLEAK HALL MILTON KEYNES MK6 1NE ENGLAND EC DECLARATION OF CONFORMITY The above mentioned equipment conforms to the Machinery Directive 89 392 EEC a a...

Page 5: ...en limits at the touch of a button This enables precise energy control which is very important when commencing piling or when coping with delicate operations Robust construction The hammer has been de...

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Page 8: ...the right times for optimum performance The control valve is switched by hydraulic pilot signals from two mechanically actuated sensors mounted on the hammer casing The bottom sensor when actuated by...

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Page 10: ...hese connectors are of the quick release type The hoses should be disconnected from the power pack when moving the power pack around to avoid straining the connectors Make sure that the connectors are...

Page 11: ...endant will be dead for as long as L E D 12 is on To warm the oil a Run the engine at 1800 r p m b Turn the warm up run selector switch 13 to warm up The engine should go under load and the high press...

Page 12: ...weight is hitting the top of the hammer casing the hammer will stop automatically To reset see section 3 4 4 g Commence the piling operation using the hammer as required 3 4 3 Pile driving with the h...

Page 13: ...rnal damage to the unit The power pack will continue to run and the pressure gauge will read approximately 240 bar In order to reset the hammer turn off the power selector on the hand control pendant...

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Page 15: ...HPH 1200 hammer in standard format will drive a considerable range of steel piles In some applications however where sheet piles are particularly wide or perhaps boxed together it is possible to use...

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Page 18: ...IVE COUPLING FOR WEAR CONDITION OF EXHAUST CHANGE HYDRAULIC OIL AND CLEAN OUT SYSTEM CHECK ALL EXTERNAL FASTENERS FOR TIGHTNESS DOLLY CONDITION SUSPENSION BLOCK SUSPENSION RING CONDITION LIFTING POINT...

Page 19: ...f necessary These must be in good condition at all times These items act as the hammers suspension system reducing the shock transmitted from the blow to the hammer and its components very important f...

Page 20: ...a non metallic filter PAY EXTRA CARE NOT TO ALLOW DIRT INTO THE FILTER ASSEMBLY ON RE FITTING c Check the function and condition of the bottom trip device d Check the function of the hammer s overtrav...

Page 21: ...t with one of the axial slots in the Ram Connector thread This may require the Nut to be slightly backed off h Install the 3 no Dog Point Grub Screws using some Loctite 270 Studlock thread adhesive an...

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Page 23: ...DIN 51601 DK Diesel fuel capacity 235 litres 5 2 Daily maintenance checks for full details of diesel engine maintenance see Cummins service manual a Check hydraulic oil level must be visible in sight...

Page 24: ...l body can break due to expansion of dolly material Debris embedded in dolly remove debris and continue Severely cracked 6500 dolly should be replaced 4500 dolly starting to show signs of cracks after...

Page 25: ...5 3 Planned maintenance checks For full details of diesel engine maintenance see Cummins service manual and for power pack maintenance procedures see section 5 4...

Page 26: ...hand control pendant 5 3 2 Every 250 hours Check the following a Engine air cleaner b Engine intake system c Engine charge air cooler d Battery charging rate Change the following e Engine oil f Engine...

Page 27: ...taken the battery isolator switch must be switched off a Changing fuel hydraulic oil inlet filler elements i Replacement element ii Remove filter bowl iii Remove and discard filter element do not clea...

Page 28: ...ge vii Reverse procedure for re assembly viii Fill case drain of pump with clean hydraulic oil prior to start up following removal from the system port located on the top of the pump with adaptor fitt...

Page 29: ...fitting O rings as necessary viii Replace tank cover gasket ix Check all electrical connections for tightness x Check drive coupling for wear and replace or adjust if necessary 5 5 Setting procedures...

Page 30: ...box if reading is O K in b 6 4 Power pack generates pressure but hammer does not run a Anvil not pushed fully up into hammer casing see section 3 4 1 or the dolly is not sitting correctly in the anvi...

Page 31: ...cking the overtravel valve first check the small restrictor dowel on its top face for any blockage The valve is unlikely to be faulty inside and if this is suspected the unit should be returned to the...

Page 32: ...put set to 75 l min b Cold hydraulic oil see section 3 4 4 and reduce stroke To warm the oil see section 3 3 1 c Stroke adjuster set too high reduce immediately to continue working d Suspension blocks...

Page 33: ...or partially damaged plastic dolly This does not mean the dolly has to be thrown away Inspect the dolly as described in section 4 1 The dolly may only require dressing up and rotation prior to being...

Page 34: ...APPENDIX 7 1 HPH 1200 HYDRAULIC HAMMER PARTS LIST...

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Page 45: ...em to 16 x 1 5 heavy 8s 90 swept fem 1 111 11 02 4 off GE8 PSR ED 8s x BSP Stud 1 111 12 01 Power Side of Hammer Supply Side Assy Number 1 111 00 05 1 off Hose Assy 1335mm Flange to Cone 1 R13 c w 42...

Page 46: ...Appendix 7 2 Accumulator Parts List and Instructions...

Page 47: ...7 between the regulator and the charging set connection 4 Back off handle 8 anticlockwise until loose Check gas bleed valve 9 on charging set is closed and screw hand wheel 10 clockwise to open gas v...

Page 48: ...procedures it is recommended that the accumulators should only be inspected and repaired by a competent person Dawson Construction Plant Limited or their approved dealers will be happy to undertake th...

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Page 53: ...nner 1 150 27 01 1 off 22mm Combination Spanner 1 150 28 01 1 off 24mm Combination Spanner 1 150 29 01 1 off 27mm Combination Spanner 1 150 30 01 1 off 30mm Combination Spanner 1 150 26 01 1 off 10mm...

Page 54: ...MENT AT ANY TIME OR CHANGE SPECIFICATIONS OR DESIGNS WITHOUT NOTICE OR INCURRING OBLIGATIONS Dawson Construction Plant Ltd Chesney Wold Bleak Hall Milton Keynes MK6 1NE England Tel 44 0 1908 240300 Fa...

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