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Dawson EMV-70 METRIC Operator's Instructions/Spare Parts List

Excavator mounted vibrator
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INNOVATION
PILING
EQUIPMENT
HYDRAULIC PILING 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
HANDLING / LIFTING
www.dcpuk.com
www.dcpuk.com
EMV-70 METRIC
EXCAVATOR MOUNTED VIBRATOR
OPERATORS INSTRUCTIONS &
SPARE PARTS LIST
(Serial No.70-056 onwards)
EMV70v8 METRIC HOSE KIT

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Summary of Contents for Dawson EMV-70 METRIC

  • Page 1 EMV-70 METRIC EXCAVATOR MOUNTED VIBRATOR INNOVATION OPERATORS INSTRUCTIONS & PILING EQUIPMENT SPARE PARTS LIST (Serial No.70-056 onwards) HYDRAULIC PILING HAMMERS EMV70v8 METRIC HOSE KIT EXCAVATOR MOUNTED VIBRATORS EXCAVATOR MOUNTED DRILLS QUIET, VIBRATIONLESS PUSH-PULL PILING PILE EXTRACTION SHEET PILE GUIDE FRAMES...
  • Page 2 January 2013 v8 DAWSON CONSTRUCTION PLANT LIMITED EMV 70 OPERATORS INSTRUCTIONS & SPARE PARTS LIST PART No. 070.000.00.00 (Serial no.70-051 onwards)

  • Page 3: Table Of Contents

    CONTENTS EC Declaration of Conformity Introduction Figure 1 – Basic Technical Specifications 2.1 Basic Safety Points 2.1.1 Who is responsible? 2.1.2 Working conditions 2.1.3 Working near underground obstacles 2.1.4 The Danger Area 2.1.5 Transporting the Vibrator 2.1.6 Transporting piles on site How does the EMV70 work? Mounting Instructions 4.1 Mounting the Vibrator...

  • Page 4: Ec Declaration Of Conformity

    We declare that the machinery/equipment detailed below is in compliance with the applicable regulations and harmonised standards as listed. This declaration ceases to be valid if alterations are made the machinery/equipment without agreement with Dawson Construction Plant Ltd. Category Piling Equipment...

  • Page 5: Introduction

    Technical advise on this product is available through the manufacturer and their network of worldwide distributors. Further training with Dawson Construction Plant Ltd can be provided as required. Please contact: Dawson Construction Plant Ltd...
  • Page 6 EMV70 EXCAVATOR MOUNTED VIBRATOR BASIC TECHNICAL SPECIFICATIONS SPECIFICATIONS EMV70 UNITS METRIC STATIC MOMENT 0.7 kgm 60 in Ibs FREQUENCY 3,000 rpm CENTRIFUGAL FORCE 70 KN 15,730 lbs.F AMPLITUDE 4 mm 0.157 in MIN. HYDRAULIC FLOW RATE 30 L/min 8 gpm MAX.

  • Page 7: Basic Safety Points

    2.1 Basic Safety Points • The vibrator should only be operated by suitably qualified personnel. • There should be visual contact between operator and slinger (spotter) at all times. • Monitor the piling operation constantly – interrupt the process immediately if any danger occurs.

  • Page 8: The Danger Area

    2.1.4 The Danger Area This is an area defined as that being within a 15m(50’) radius of the vibrator. Personnel are at risk when within this area from: • Falling piles – should the pile be handled incorrectly • Liquids under high pressure and associated components •...
  • Page 9 3.0 HOW DOES THE EXCAVATOR MOUNTED VIBRATOR WORK? Modern pile vibrators basically work in the same way. Pairs of high-speed contra-rotating eccentric weights are geared together so as to produce net vertical vibratory forces. The vibrations produced are transmitted to the pile through a powerful hydraulic grip. Consequently the pile is vibrated at the same speed and displacement (or movement) as the gearbox itself.

  • Page 10: Mounting Instructions

    If the excavator is fitted with a quick hitch it will either be necessary to remove it or purchase half a quick hitch and modify to suit the Dawson adaptor bracket. Standard brackets are available for different machine size ranges. Typically, one of these brackets can be adapted to fit a variety of different pin sizes and dipper end widths by using a kit of bushes and spacers.

  • Page 11: Hydraulic Hoses - Layout And Connections

    Hydraulic Hoses - Layout and Connections The EMV hydraulic fittings are metric for the EMV70. The pressure and return lines (already connected to the vibrator) have metric 16 S. The pressure line is usually connected to the bucket ram "extend" circuit and the return line to the bucket ram “retract”...

  • Page 12: Operating Instructions

    5.0 OPERATING INSTRUCTIONS Preparations – before driving/extracting piles. It is the excavator operator's responsibility to ensure that the equipment is functioning and performing correctly and that the EMV method of piling is implemented efficiently. In order to meet this responsibility please note the following points:- Bundles of sheet piles should be set out on the job site so as to minimise the amount of handling and travelling required with the EMV.

  • Page 13: Extracting Piles

    hangs too far away from the clamp when it is raised to the vertical – this will make it difficult to engage the pile in the clamp. Clear all personnel standing in the Danger Area and lift up the pile until it just hangs freely off the ground.
  • Page 14 Clamp the vibrator onto the pile head ensuring that it is level. Ensure all personnel are out of the Danger Area. Start the vibrator and allow the soil to loosen around the pile. Start to lift up the pile. Ensure the pile clutches are not rubbing together. Pay attention to the distortion of the rubber sandwich mounts - under no circumstances should these mounts be allowed to deflect by more than the stipulated amount shown on Figure 1 in section 2.0.

  • Page 15: Maintenance

    • Secure the equipment against unexpected starting during the maintenance process. • The equipment should be inspected by a Dawson technician or by one of their approved distributors once a year or every 1000 working hours.
  • Page 16 on the pile during driving and certainly during extraction. Besides causing a reduction in performance this can become a safety hazard. We define the following wear limit: Hard Jaw Wear Limit - 90% of all teeth on any hard jaw should make contact with the pile and 80% of all teeth should have points with flats no greater than 3mm.
  • Page 17 Swivel Assembly Breather/Filler Plug Clamp Cylinder Hard Jaws Clamp Body Grease Point – for the Moving Jaw Lifting Chain & Chain Clamp Side View Gearbox Oil Base View Drain Plug...

  • Page 18: Every 50 Working Hours

    It is recommended that the unit be inspected and serviced by the manufacturer. Apart from undertaking to do the relevant preventative maintenance work and checks as described above Dawson will inspect the structural integrity of the equipment and ensure there are no safety related matters that may go unchecked. Bearings and gears will also be inspected to check for signs of unusual wear or potential problems.

  • Page 19: Trouble Shooting

    Please ensure that troubleshooting, inspection work and repairs are undertaken by suitably qualified personnel. Training can be carried out by the manufacturer or by your local approved Dawson distributor. The following guidelines are intended to assist with basic diagnostics and are not intended to be a definitive list –...

  • Page 20: Emv Clamp Closes But The Unit Will Not Vibrate

    7.2 EMV clamp closes but the unit will not vibrate 7.2.1 Check the base machine operating pressure and flow rate. If the pressure output of the excavator is too low the EMV will not run at all. This is because the sequence valve pressure setting has to be overcome before oil can pass to the drive motor.

  • Page 21: Oil Blowing Out Of The Motor Blow-Off Valve

    7.4 Oil blowing out of the motor blow-off valve. 7.4.1 Drain line restricted or blocked – stop work immediately. Motor Blow- Off Valve 7.4.1.1 Check the drain line hose for obvious restrictions at fittings, filters etc. 7.4.1.2 Check the drain hose for damage – look carefully as the bore of the hose can be crushed even when the outside of the hose looks to be in good order at a casual glance.

  • Page 22: Clamp Closes Itself Immediately After Being Opened

    Consequently the clamp can be driven closed again. Should this problem occur Dawson could supply a reverse flow check valve as a fix. 7.7 Clamp looses grip on the pile Check the condition of the Hard Jaws –...
  • Page 23 8.0 HYDRAULIC METRIC HOSE AND FITTING LIST – EMV70 Item Part No. Description Qnty Hose pack numbers to be confirmed...
  • Page 24 8.0 HYDRAULIC METRIC HOSE AND FITTING LIST – EMV70 Item Part No. Description Qnty H00440 REDR1x1/2 bush H00446 GEV16SRWD stud coupling H00448 ELVD12L run tee H00450 GEV10LR3/8WD stud coupling H00462 ½” EP 16S straight to 16S 45° 1200mm CHL H00463 3/82EP 12L straight to 12L 45°...
  • Page 25 8.0 HYDRAULIC METRIC HOSE AND FITTING LIST – EMV70 7,15 2,3,9 2,3,9 Item Part No. Description Qnty H00439 16176 fixed female H00440 REDR1x1/2 bush H00444 7B06 socket H00446 GEV16SRWD stud coupling H00452 IBP0606 adaptor H00453 GEV10SRWD stud coupling H00459 ¼”EP 10S 90° to 10L 90° AOR 90° 1500mm CHL H00460 ½”...
  • Page 26 8.0 HYDRAULIC METRIC HOSE AND FITTING LIST – EMV70 Item Part No. Description Qnty H00449 GEV10LRWD stud coupling H00458 ¼”EP 10S 90° to 10L 90° AOR 90° 1000mm CHL H00459 ¼”EP 10S 90° to 10L 90° AOR 90° 1500mm CHL...
  • Page 27 8.0 HYDRAULIC METRIC HOSE AND FITTING LIST – EMV70 Item Part No. Description Qnty H00456 ¼” EP 10S straight to 10L 90° 300mm CHL H00455 RV10 3/8 (4219A) non return valve...
  • Page 28 8.0 HYDRAULIC METRIC HOSE AND FITTING LIST – EMV70 Item Part No. Description Qnty Hose pack numbers to be confirmed H00441 RSWV10SR banjo...

  • Page 29: Parts Lists For The Emv70

    9.0 PARTS LISTS FOR THE EMV70...
  • Page 38 TIGHTENING TORQUES FOR SCREWS WITH STANDARD METRIC THREAD Preload values F based on Tightening torques M Wrench size for Grades in N based on Grades in Nm Screw size Hex head screw Socket head screw 10.9 12.9 10.9 12.9 Inch Inch M4 x 0.7 3,900...
  • Page 39 EXCAVATOR MOUNTED OR CRANE SUSPENDED VIBRATORS Dawson excavator mounted vibrators have been designed specifically to work in place of an excavator bucket to drive and extract piles. The pile can be lifted to vertical using the built-in lifting chain where it is then gripped tightly in a powerful hydraulic jaw.
  • Page 40 TECHNICAL SPECIFICATIONS Excavator Mounted Vibro Model SPECIFICATION UNITS EMV70 EMV220 EMV300A EMV450 EMV550 in lbs STATIC MOMENT 8.23 FREQUENCY 3,000 3,000 2,400 2,460 2,500 15,730 50,236 67,420 100,000 125,592 CENTRIFUGAL FORCE 0.157 0.45 0.58 0.54 0.54 AMPLITUDE - PEAK TO PEAK 14.7 13.7 13.7...
  • Page 41 Clamps Mass 300 Universal Clamp 163 kg 450 Universal Clamp 273 kg 550 Universal Clamp 416 kg EMV300 Stand = 115kg Caisson Beam with Clamps 670 kg VIBRO MODEL SPECIFICATION UNITS EMV70 EMV220 EMV300A EMV450 EMV550 TRANSPORT WEIGHTS 1165 1300 1500 (approx) DIMENSION ON A...
  • Page 43 QUICK HITCH ADAPTOR When an excavator has a guide hitch fitted and a double acting breaker to supply the EMV, the Dawson quick hitch adaptor bracket supplies fast, easy connection to the end equipment while maintaining the same degree of movement.
  • Page 44 EXCAVATOR MOUNTED DRILL Dawson’s excavator mounted drilling machine has been designed to fit via an adaptor plate to the stick arm of an excavator and runs via the flow and return lines that normally supply the bucket or a double acting breaker circuit .
  • Page 45 EMV-70 METRIC EXCAVATOR MOUNTED VIBRATOR Dawson Construction Plant Ltd Chesney Wold. Bleak Hall, Milton Keynes, MK6 1NE, England Tel: +44 (0) 1908 240300 Fax: +44 (0) 1908 240222 D.C.P. RESERVES THE RIGHT TO DISCONTINUE EQUIPMENT AT ANY TIME, OR CHANGE SPECIFICATIONS OR DESIGNS WITHOUT NOTICE OR INCURRING OBLIGATIONS Ver.
  • Page 46 PRE-DELIVERY INSPECTION SHEET EMV’S, VPC’S AND EMD’S MACHINE TYPE EMV550 EMV450 EMV400 EMV300 EMV70 EMD140 EMD70 ADAPTOR BRACKET / QUICK HITCH ASSEMBLY Serial No: Adaptor Pin Diameter Length Photo taken before dispatch: Bushes List Additional Spares Supplied HOSES SADDLE ASSEMBLY Hoses Condition Sandwich Mount Condition Spring Guard Condition...
  • Page 47 A GUIDE TO EMV GENERAL MAINTENANCE PROCEDURE (USED WITH PDI CHECK SHEET) DEALER NETWORK GLOBAL SUPPLY, LOCAL SUPPORT. DAWSON CONSTRUCTION PLANT CHESNEY WOLD, BLEAK HALL, MILTON KEYNES, MK6 1NE ENGLAND TEL. +44 1908 240300 FAX. +44 1908 240222 EMAIL. DAWSON@DCPUK.COM...
  • Page 49 ADAPTOR BRACKET ASSEMBLY Remarks: • Check for wear on pin adaptor • Visual inspect weld condition • Check bushes for wear • Check pin is ok, free from warping Severe wear to pin Wear to bush Wear to adaptor • Check for wear to post Old position of grease point on post •...
  • Page 50 GEARBOX ASSEMBLY Remarks: • Check general condition • Check temperature of bearing - (Run on test pile for 15mins, check and compare, temperatures on bearing caps should be even) • Visual check for oil leaks - Bearing Cover / Gasket •...
  • Page 51 HOSE ASSEMBLY Remarks: • Check general condition • Check spring guard condition Severe damage to hose assembly • Insure fittings are all tight • Check for running leaks...
  • Page 52 4mm new jaw 2mm acceptable wear level limit SECTION OF JAW CLAMP ASSEMBLY Remarks: • Check Static and Moving jaw wear on teeth and general damage • Inspect chain for damage Severe damage and wear to teeth on jaws on left, in comparrison new jaw on right Damage to chain link •...
  • Page 53 STAND Remarks: • Inspect general condition of stand...
  • Page 54 DAWSON EMV INSPECTION PROCEDURE Dawson Construction Plant Ltd Chesney Wold. Bleak Hall, Milton Keynes, MK6 1NE, England Tel: +44 (0) 1908 240300 Fax: +44 (0) 1908 240222 D.C.P. RESERVES THE RIGHT TO DISCONTINUE EQUIPMENT AT ANY TIME, OR CHANGE SPECIFICATIONS OR DESIGNS WITHOUT NOTICE OR INCURRING OBLIGATIONS...

This manual is also suitable for:

Emv 70Emv 70a

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