CE-20 WATER BLASTER 500 Bar USER GUIDE & SPARE-PART
Contents
1. 28 29 4 Certificate of E U conformity DEN JET Nordic A S Terndrupvej 7 Astrup DK 9510 Arden Denmark According to E U Machine regulation 98 37 E U Appendix IIA We hereby declare that the electrical driven high pressure water blaster machines CE 20 350 50 60 Hz and CE 20 500 50 60 Hz Has been designed manufactured and tested to fully comply with the health and safety requirements of the E U machine regulations ANY modification or change of the machine without our prior consent will render this declaration null and void Appropriate E U regulations E U Machine Regulation 98 37 EU Current issue E U Low Tension Regulation 73 23 E E C E U EMC Regulation 89 336 E E C Coordinated standards Used particularly EN 809 pr EN 1889 EN 292 part 1 amp 2 EN 60204 1 EN 574 EN 294 EN 50081 2 EN 6100 6 2 Date 12 May 2005 Benny S Jensen Managing Director 5 Safety Precautions To safeguard the operator who uses the machine and its accessories and as accident prevention and protection of bystanders and property the following safety precautions must be observed Always treat the water blaster in the same way as any other power driven high speed cutting tool Never let children or people who have not been properly instructed operate the machine Use the electric plug in a proper socket with ground to earth wiring The entire electrical installation must be with earth wiring All electr2. 1 CE 20 WATER BLASTER 500 Bar 3X 400 V 50 Hz 3X 440 V 60 Hz UNLOADER USER GUIDE amp SPARE PART BOOK 2 Thank you for choosing our water blaster For your safety and correct operation please carefully read the information and instructions in this manual before use NOTE All of the information stated in this manual is based on data available at the time of printing DEN JET reserves the right to modify or change its products and or specification data at any time without prior notice DEN JET has no responsibility or liability regarding misuse of the product or use of the product with third party products DEN JET warranty s is limited to repair or replacement of faulty items at the time of manufacture DEN JET has the copyright for this material and all kinds of reproduction are prohibited without DEN JET s permission March 2008 Model Technical details CE20 500 50 Hz Version W P Bar Psi Flow Lpm Gpm 500 7250 16 4 2 60 Hz Version W P Bar Psi Flow Lpm Gpm 500 7250 16 4 2 Electrical Spec Motor Hp Kw Voltage 50 60 Hz Amperage A 20 15 400 440 21 19 Dimensions L x W x H mm Weight Kg 1060 x 760 x 850 280 3 Index General information Specification data 2 Index 3 Certificate s of conformity 4
3. at least one time a year Use AGIP SAE 30 Oil or 15W40 Multigrade Oil Quantity 1 04 Liter 0 27 US Gallon Fill up until the oil level is visible in the sight glass Renewal of oil Switch off the machine Loosen the oil drain screw on the lower back of the pump crank case Let the oil drain out into a waste oil tray Remount the oil drain screw and pour in new oil through the oil inlet on top of the pump until visible in the oil sight glass Notice Always dispose of the used oil in a proper manner Cleaning A part of keeping the machine and its accessories in good working condition is keeping it clean But NEVER clean the machine itself with high pressure Do not use solvents Storage Keep the unit frost free or flush the pump thoroughly with non alcoholic antifreeze fluid 11 Trouble shooting and repair Problem Repair When the main switch is turned on And the green start button is pushed in the Water blaster will not start Fault somewhere in the power supply Is the Power light on Make sure the main supply cable is connected correctly Inspect cord for cracks and wears The motor is humming but the pump does not run Too low voltage one phase is missing High pressure pump is blocked Check the mains voltage Check the main connection oltage with a meter With the machine turned off hand turn the motor at the fan if it remains blocked check the pump The pressure drops and the Water blaster works
4. switch The main switch pos 19 Electrical spare parts assembly disconnects the main supply UN PLUG MACHINE WHEN REPAIRING c Over load relay The overload relay protects the motor against overloading pos 27 Electrical spare parts assembly d Safety valve The safety valve built onto the top of the pump is protecting against over pressure pos 1 500 Bar Pump assembly Set Up amp Use Check Task Daily Inspection Check the strainer in the water tank Clean if necessary Check the oil level on the crankcase of the pump Fill up if necessary Check for air bubbles in the suction hose between tank and pump If there are bubbles then tighten the hose clips Check high pressure connections for leakage NEVER tighten connections under pressure Check high pressure hoses for wear and cracks Replace if necessary Check the power cord for wear and cracks Replace if necessary Check the air intake grill of the electric motor Clean for dust if necessary Notice To prevent damage to hoses and electrical cord avoid letting the high pressure hoses rub against sharp edges for example manholes or getting squeezed in door openings etc Replace if necessary Inlet water temperature must be below 60 C 140 F 10 Maintenance Maintenance Task Lubrication Oil renewal on the pump crankcase is to be completed the first time after no more than 50 hours of use Oil renewal is hereafter to be completed in every 400 hours of use Or
5. Safety precautions 5 6 Medical emergency information 7 Set up amp Use Preparing for use Operation of the machine 8 Safety devices 9 Set up amp Use 9 Check 9 Maintenance Lubrication 10 Cleaning 10 Storage 10 Trouble shooting Repair Problem Repair 11 12 Spare part lists Main spare part assembly 13 14 Water Tank Spare part assembly 15 16 Pump CE20 500 Spare part assembly 17 20 Electrical System Spare part assembly 21 22 Wiring diagram 23 Trigger Gun 24 25 Operation Rotating Nozzle 26 Replacement procedure Rep Kit Rotating Nozzle 27 Sand Blasting Equipment
6. cts relevant to such injuries Therefore all operating personnel should be provided with waterproof emergency medical alert tags or cards describing the nature of their work and the possibility of injury inherent in the use of water jetting equipment The below example of a standard card can be printed out or photo copied bend laminated and used as medical alert tag 8 Preparing the machine for operation 1 Place the machine in a safe location and secure the unit with lashing belts 2 Freshwater Connection Prepare the water supply for the blaster by attaching a 3 4 hose to the supplied low pressure inlet coupling on the side of the water tank Connect the other end to the fresh water supply from the vessel Open for the water supply and fill up the water tank before starting the machine Always use the inlet connection on the tank for supplying water 3 High Pressure Hose Connection Mount the high pressure hose to the blaster by attaching the swivel of the hose to the outlet fitting of the pump head Please use 2 x 27mm spanners wrenches to tighten the connection Additional high pressure hoses supplied with the machine should be mounted now by using the supplied nipples male male to connect the hoses together Please use 2 x 27mm spanners wrenches to tighten the connection 4 Trigger Gun Connection Mount the trigger gun with lance to the high pressure hose Please use 2 x 27mm spanners wrenches to tighten the connecti
7. ical installations must be made only by an electrician A GFCI Residual current device is recommended Always keep the high pressure cleaner and the belonging accessories in good working condition Check that the machine and its accessories are free from defects and in good working condition with special attention to the insulation on the electric cable In case of defect Do NOT OPERATE THE MACHINE Get the machine serviced Eye protection must be worn at all times when operating the machine to protect against repelling or ricocheting materials hitting the eyes and causing damage Ear protection must be worn at all times when operating the machine to protect against hear loss during operation Proper footwear and protective clothing must be worn at all times when using the equipment to avoid and prevent damage to the operator NEVER direct the jet at yourself Do not attempt to clean your clothes or footwear with the machine Precautions must be made to keep bystanders away from the working range NEVER spray jet on humans or live animals the high pressure jet can cause severe injury NEVER spray at electrical equipment or at the machine itself Make sure the machine is turned off and disconnected from the main power supply before service or repair 6 Safety Precautions The below shown protective clothing and devices should be worn both by personnel operating the water blaster system and equipment and by those working nearby Operators m
8. irregularly The strain filter in the water tank is blocked or dirty or the water supply from the tap is insufficient Air in the Suction hose Clean the strain water filter The machine should always suck from the water tank Open fresh water tap fully Tighten the hose clamps on the suction hose The Water blaster is running at high pressure when trigger is released The check valve in the un loader out let fitting is stuck or leaking Clean the check valve in the un loader out let fitting Replace the O ring The Water blaster does not reach the right working pressure when the trigger handle is activated Leakage from Safety valve hose connections trigger gun The pump sucks air The high pressure nozzle is worn or too big in size The un loader valve or safety valve is not correctly adjusted or is worn Plunger packings are worn Turn of the water blaster Inspect for leakage Replace the nozzle Set the un loader repair if necessary Change packings The Water blaster works with approximately 2 3 of the maximum pressure and the high pressure hose is vibrating There are dirt in the valves Turn off the Water blaster Dismantle the pump head and the valves remove the dirt and check to ensure the valve discs are moving freely and fits tight and smooth to their seats 12 Trouble shooting and repair Problem Repair Excessive water leakage from under the pump Packing is worn Replace packing Always re
9. on Mount the correct nozzle at the end of the lance 5 Electrical Power Connection Connect the power cable CEE plug to an earthed 3 phase 32 Amp power socket Should the CEE plug provided with the machine not fit your electrical system replace the plug with one that fits 6 Machine is now ready for operation Operation of the Machine A Ensure that the water supply is open B Turn the main power switch to ON Press the green START button machine starts Allow the machine a few seconds for the automatic star delta switch to turn over C Get a firm grip with both hands on the trigger gun handle and lance handle Press the trigger and start blasting Always be aware of other crew members in your working area Safety is first priority Note Do NOT let the machine run idle for more than 10 minutes as it may cause damage to the pump water heats up Shut down of the Machine A Press the red STOP button machine stops B Squeeze the trigger gun to release the pressure inside the high pressure hose C Turn off the water supply Storage of machine during Winter time Store the machine in a frost free location Drain the water from the machine and flush the pump with anti freeze fluid 9 The machine is equipped with the following safety devices a STOP button The STOP button pos 18 Electrical spare parts assembly stops the machine when pushed in The optional emergency STOP pos 41 do the same twist to release b Main
10. place O ring as well Noisiness The pump sucks air One or more valve springs are broken or stuck Dirt in the valves No or too little oil in the crankcase or motor bearings worn out Inspect the low pressure water supply Tighten hose clips Replace springs Clean the valves Replace the bearings Water in the oil The Oil seal is worn out High moisture in the air condensing inside the crankcase The high pressure seals are completely worn out Check or replace the oil seals Renewal of the crankcase oil more often Replace the high pressure seals Coupling Mounting
11. ust wear visors or goggles to guard against spray and flying debris A combination of both goggles and visor is recommended It will protect the eyes and the face during both water blasting as well as abrasive water blasting Safety helmets must be worn at all time by personnel within the work area Helmet material must be able to withstand mechanical shock exceeding 10G in 8ms without fracturing Shear proof gloves must be worn by the operator at all times A glove combination of a cloth inner lining and a water tight outer layer is preferable Safety boots with steel toecaps minimum 0 5mm 0 02 thick must be worn The toecap must cover at least 30 of the footwear length Basic safety footwear must also be equipped with metatarsal guards to protect the instep Safety boots are available in numerous designs Operators and other personnel exposed to noise levels of more than 90 dBa for more than 1 hour must wear suitable ear protection Ear plugs or ear muffs are usually sufficient Waterproof clothes protect the operator only from spray and flying debris They do NOT deflect direct jet impact Therefore an operator must take care never to point a water jet either at them selves or other personnel 7 Medical emergency information Immediate medical attention should be given to personnel who sustain equipment related injuries while operating the system In such cases it is vital that medical personnel be apprised of all fa
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