Dawson EMV-300 Operator'S Instructions/Spare Parts List Download Page 44

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Chain clamp on EMV300

CLAMP ASSEMBLY

Remarks:
• Check Static and Moving jaw wear on teeth and
general damage
• Inspect chain for damage

• Inspect chain clamp where

tted for damage

Severe damage and wear to teeth on jaws on left, in comparrison new jaw on right

Damage to chain link

4mm new jaw

2mm acceptable wear level limit

SECTION OF JAW

Summary of Contents for EMV-300

Page 1: ...RATORS INSTRUCTIONS SPARE PARTS LIST 4000M2 EMV300v7 METRIC HOSE KIT HYDRAULIC PILING HAMMERS EXCAVATOR MOUNTED VIBRATORS EXCAVATOR MOUNTED DRILLS QUIET VIBRATIONLESS PUSH PULL PILING PILE EXTRACTION...

Page 2: ...May 2015 v7 DAWSON CONSTRUCTION PLANT LIMITED EMV 300 OPERATORS INSTRUCTIONS SPARE PARTS LIST PART No 4000 M2 Serial no 45 479 onwards...

Page 3: ...Preparations before driving extracting piles 5 2 Driving piles 5 3 Extracting Piles 6 0 Maintenance 6 1 Daily Maintenance 6 2 Every 50 working hours 6 3 Every 1000 working hours 7 0 Trouble Shooting...

Page 4: ...remely versatile and readily adapts to most suit excavators from 12 to 25 tonnes and with care up to 35 tonnes Hydraulic power supply is taken from the excavators bucket ram circuit providing adequate...

Page 5: ...Figure 1 Basic Technical Specifications...

Page 6: ...f or responsible for the use and maintenance must ensure that the vibrator and all it s auxiliary equipment are in good condition Piling should only be carried out under the supervision of an appropri...

Page 7: ...s to prevent contamination Disconnect the vibrator from the excavator 2 1 6 Transporting Piles on Site Transporting a pile using the vibrator should only be done over a small distance with the clamp f...

Page 8: ...ng effect can occur Also the ground effectively sticks itself to the pile and much of the power generated is lost in shaking the ground The EMV is particularly effective for its size and weight becaus...

Page 9: ...to installing the EMV A shear pin is used to fix the vibrator to the boom via an adaptor bracket Different adaptor brackets may be required for different excavators Check this prior to the start of in...

Page 10: ...r they should be replaced It is strongly recommended that quick release couplings are not used for this application For permanent installation ball valves can be added to the excavator boom to ensure...

Page 11: ...ore taking the equipment into service g It is particularly important that you make sure that during a piling operation the vibrator is kept directly above and in line with the pile otherwise the pilin...

Page 12: ...her whilst the EMV is running it will cause hydraulic system pressure spikes to occur i Remove the chain clamp and lifting chain from the pile lifting hole j Repeat steps b j to continue k When piling...

Page 13: ...e 1 in section 2 0 Reduce the extraction force to continue pulling Continue extracting the pile until the pile foot is almost extracted Stop vibration at this point and carefully pull the pile out the...

Page 14: ...r every 1000 working hours 6 1 Daily Maintenance a Grease the two grease points on the EMV300 one on the Saddle Swivel and the other on the side of the Clamp Body Two or three pumps with a molybdenum...

Page 15: ...r back into the Clamp Body fit the clamp hoses then fit and tighten the Cap Screws using the hexagonal wrench Ensure the clamp functions correctly after completing the work g Inspect the rubber Sandwi...

Page 16: ...Clamp Body Grease Point for the Moving Jaw Gearbox Oil Drain Plug Breather Filler Plug Swivel Assembly Gear Box Oil Sight Glass Lifting Chain Chain Clamp Clamp Cylinder Hard Jaws...

Page 17: ...class SAE 75W 90 will be suitable Alternatively in hotter climates fully synthetic oil of the same classification may be used For example Manufacturer Mineral Oil Reference Synthetic Oil Reference BP...

Page 18: ...thout adequate supervision 7 1 EMV clamp does not close 7 1 1 Check that base machine hydraulics lines are correctly connected see section 4 2 Operate control lever in both directions to check flow di...

Page 19: ...in this case the unit usually runs very slowly unless metal fragments have become entrapped in the transmission system as a result 7 2 6 Remove the motor from the gearbox and test 7 2 7 As a last reso...

Page 20: ...ain hose or the hose bore too small either of these can contribute to an increase in back pressure 7 4 4 Extremely cold weather if the base machine hydraulic oil is of an inappropriate viscosity grade...

Page 21: ...Consult with the manufacturer at this stage or one of their approved distributors it is strongly recommended that the unit be repaired by the manufacturer in order to ensure correct procedures and ma...

Page 22: ...20S 2 3 4224 1 Elbow Bulkhead WSV15L 1 4 4222 Hose Assembly with spring guard 1 5 4220 1 Hose Assembly with spring guard 1 6 4207 2 Hose Assembly with spring guard 1 7 4229 Centre Swivel Tee ETV20S 1...

Page 23: ...1 2 4227 Socket Modified FFB12 BSP 1 3 4204 1 Hose Assembly with spring guard 1 4 4212 Banjo Coupling WHO25SR1 1 5 4206 Hose assembly with spring guard 1 6 4205 Hose assembly with spring guard 1 7 1...

Page 24: ...ULIC METRIC HOSE AND FITTING LIST EMV300 SERIAL NO 45 478 ONWARDS Item Part No Description Qnty 1 1 111 05 01 Stud coupling GEV25PSR WD 2 2 4282 1 Hose assembly 1 3 4221 Hose assembly with spring guar...

Page 25: ...8 0 HYDRAULIC METRIC HOSE AND FITTING LIST EMV300 SERIAL NO 45 478 ONWARDS Item Part No Description Qnty 1 Sequence Valve 1 1...

Page 26: ...C METRIC HOSE AND FITTING LIST EMV300 SERIAL NO 45 478 ONWARDS Item Part No Description Qnty 1 4280 Hose assembly 1 2 4281 Hose assembly 1 3 4217 Stud coupling 2 4 4209 Elbow 1 5 4116 5 End swivel tee...

Page 27: ...8 0 HYDRAULIC METRIC HOSE AND FITTING LIST EMV300 SERIAL NO 45 478 ONWARDS Item Part No Description Qnty 1 4217 Stud Coupling 2 2 4282 1 Hose assembly 1 3 4283 1 Hose assembly 1 1 3 2...

Page 28: ...DAWSON CONSTRUCTION PLANT LIMITED 9 0 PARTS LISTS FOR THE EMV300...

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Page 37: ...ME 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 Fax 44 0 1908 24...

Page 38: ...Spares Supplied GEARBOX ASSEMBLY Oil Level Leaks Visual Case Breather Valve Motor Blow off Valve General Condition Remarks HOSES Hoses Condition Spring Guard Condition Running Leaks Fittings Addition...

Page 39: ...EAK HALL MILTON KEYNES MK6 1NE ENGLAND TEL 44 1908 240300 FAX 44 1908 240222 EMAIL DAWSON DCPUK COM DAWSON EMV INSPECTION PROCEDURE WORLDWIDE DEALER NETWORK GLOBAL SUPPLY LOCAL SUPPORT A GUIDE TO EMV...

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Page 41: ...REASE DAILY SADDLE ASSEMBLY Remarks Visual inspect saddle for cracks Check sandwich mounts for splits damage Check bump stops for damage Severe wear to pin Wear to adaptor Wear to bush 4QW 5HI QR When...

Page 42: ...peratures on bearing caps should be even Visual check for oil leaks Bearing Cover Gasket Ensure all bolts are tight Check case breather valve Check oil levels Check motor blow off valve Photo of EMV45...

Page 43: ...HOSE ASSEMBLY Remarks Check general condition Check spring guard condition Insure ttings are all tight Check for running leaks Severe damage to hose assembly...

Page 44: ...ng jaw wear on teeth and general damage Inspect chain for damage Inspect chain clamp where tted for damage Severe damage and wear to teeth on jaws on left in comparrison new jaw on right Damage to cha...

Page 45: ...STAND Remarks Inspect general condition of stand...

Page 46: ...T 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 Fax 4...

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