bar Comet AX Series Assembly, Operation And Maintenance Instructions

High pressure pumps

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HIGH PRESSURE PUMPS
USO E MANUTENZIONE
ASSEMBLY, OPERATION AND MAINTENANCE INSTRUCTIONS
(EN)
(IT)
WARNING. Read the instructions before using and assembling.
(EN)
(FR)
(ES)
(DE)

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Summary of Contents for bar Comet AX Series

  • Page 1 HIGH PRESSURE PUMPS USO E MANUTENZIONE ASSEMBLY, OPERATION AND MAINTENANCE INSTRUCTIONS (EN) (IT) WARNING. Read the instructions before using and assembling. (EN) (FR) (ES) (DE)
  • Page 2 BW - AW LW - ZW FW - FW2 TW - SW...
  • Page 5: General Information

    FOREWORD This manual consists of two distinct parts. The first is intended for both the end user and the Skilled Technician and contains the pump operation and maintenance instructions; the second is dedicated to the Skilled Technician only and provides instructions for the correct integration of the pump in the end machine and for special maintenance. By Skilled Technician is meant: • the Manufacturer of the machine (e.g., high pressure cleaner) in which the pump is integrated (from now on, when reference is made to “machine in which the pump is integrated”, this may also refer to “system in...
  • Page 6: Specifications And Technical Data

    60 - 140 Min water temperature °C - °F 5 - 41 Max water pressure bar - psi 8 - 116 Max priming depth m - ft 1 - 3,3 (1000, 1450 and 1750 RPM) 0,5 - 1,7 (2800 and 3400 RPM)
  • Page 7 60 - 140 Min water temperature °C - °F 5 - 41 Max water pressure bar - psi 8 - 116 Max priming depth m - ft 1 - 3,3 (1000, 1450 and 1750 RPM) 0,5 - 1,7 (2800 and 3400 RPM)
  • Page 8: Identification Of Components

    E.g.: TW 10522 (105 x 0.378 = 39.7 l/min), LW 2015 (20 : 10 = 2 USgpm). By means of the last two figures, the maximum pressure can be determined according to the following table: Max pressure in bar = last two figures x 6.9 Max pressure in psi = last two figures x 100 E.g.: TW 10522 (22 x 6.9 = 151.8 bar), LW 2015 (15 x 100 = 1500 psi). NOTE: in the case of FW2, the “2” must be excluded from what is before which identifies the second series of FW pumps. IDENTIFICATION OF COmPONENTS Refer to Figures from 1 to 3 at the beginning of the manual. 1. Suction fitting 11. motor flange support 2. Pump head 12.
  • Page 9: Intended Use

    WARNING • The pressure unloader/regulation valve is set either by the pump Manufacturer or by that of the machine in which the pump is integrated. Never try and adjust the pressure unloader/regulation valve to alter its setting: only adjust this by means of the knob  (15). INTENDED USE WARNING • The pump must not be run by itself. It is only meant to be integrated in a machine. • The pump must only be integrated in machines used for the following purposes: - pumping of water at high pressure in washing machines (high pressure cleaners); - pumping water for non-edible use. • The pump must not be integrated in machines for pumping: - unfiltered water or with impurities; - detergents, paints and chemical substances, both pure and in aqueous solution; - seawater or water with high salt concentration; - fuels and lubricants of all kinds and types; - inflammable liquids or liquefied gases; - edible liquids; - solvents and thinners of all kinds and types; - water with temperatures above 60 °C/140 °F or below 5 °C/41 °F; - liquids containing granules or solid parts in suspension. • The pump must not be integrated in machines designed to wash: people, animals, energized electrical apparatus, delicate objects, the pump itself or the machine in which it is integrated. • The pump is not suitable for being integrated in machines designed to operate in environments with special conditions such as, for example, corrosive or explosive atmospheres. • For integration in machines designed to operate on board vehicles, ships or planes, contact the Manufacturer’s Technical After-Sales Service, inasmuch as additional requirements may be necessary. All other uses are to be deemed incorrect. The Manufacturer disclaims all liability for any damage deriving from incorrect or erroneous uses. PRELImINARY ACTIvITIES WARNING • The pump cannot be operated unless the machine in which it is integrated conforms to the safety requirements laid down by European directives. Such conformity is indicated by markings and by the declaration of conformity of the Manufacturer of the machine in which the pump is integrated.
  • Page 10 • Wear clothing and personal protective equipment able to provide adequate protection from any high-pressure jets and chemical products used. CAUTION • In case of operation at very low temperatures, make sure there is no ice inside the pump and pipes. • Perform the checks required by routine maintenance, with special reference to those relating to the oil. Carry out the preliminary activities indicated in the manual of the machine in which the pump is integrated; unless otherwise indicated, with respect to the pump, always remember the following. a) Replace the oil cap without vent (17) with the oil cap with vent (8) (see Fig. 3). This operation could already have been performed by the Manufacturer of the machine in which the pump is integrated. b) With the pump off and completely cooled down, make sure the oil level is at mid-point of the oil level indicator (10). The oil level can also be checked (except for AX and BX models) by unscrewing the cap with vent (8): the correct level is between the two notches shown on the dipstick. “S For any touch ups, refer to the types of lubricants indicated in the paragraph PECIFICATIONS AND TECHNICAL...
  • Page 11 • Before using the pump, put on individual protective gear and devices to ensure adequate protection from wrong manoeuvres with the jet of fluid under pressure. • WARNING. Do not use the pump or the machine in which it is integrated near people if these are not wearing personal protective equipment. • WARNING. Do not direct high-pressure jets against yourself or other people to clean clothes or footwear. • WARNING. High-pressure jets can be hazardous if incorrectly used. High-pressure jets must not be directed against people, energized electrical appliances or the pump itself or the machine in which it is integrated. • Never run the machine in which the pump is integrated in closed premises, if this is driven by an internal combustion engine. • WARNING. Explosion risk - Do not spray inflammable liquids. “o ” paragraph carefully. • Read the peration with detergent • Keep clear of moving parts of the pump and of the machine in which it is integrated, even if these are adequately protected. • Do not remove the guards of the moving parts. • Do not touch pipes containing liquids under pressure. • Do not perform maintenance operations on the pump and on the machine in which it is integrated if this is operating. • Read the “i ” paragraph carefully. ntended use • Do not modify in any way the installation conditions of the pump. In particular, do not modify the fastening, the hydraulic connections and the guards. • Do not open any taps on the pump unless these are connected to an accessory that prevents the accidental escape of the pumped liquid. • Do not deactivate or tamper with the controls and the safety devices and the pressure unloader/regulation valve. • The connection of the machine in which the pump is integrated to the power mains must be made by a Professional Electrician in accordance with the regulations applicable in the country of use. During operation: - always keep an eye on the pump and the machine in which it is integrated and out of the reach of children; in particular, be very careful when using near nurseries, clinics and old-people’s homes, in case of children, elderly people or disabled people without supervision; - do not direct high-pressure jets against materials containing asbestos or other substances harmful for the health;...
  • Page 12: Stopping Operation

    The detergent suction option is standard only for a number of models of the LW, ZW, AX and BX series. To learn how to use the detergent, refer to the detergent pack label, with special attention to doses. Perform the steps relating to operation with detergent shown in the manual of the machine integrating the pump; unless otherwise indicated, in relation to the pump, the following should be remembered. a) Reduce the pressure of the pump to below 30 bar/435 psi (e.g., in the case of a high pressure cleaner, by moving the nozzle head to low-pressure position). b) If the detergent suction adjustment option is provided, adjust the knob (16): turn it clockwise to reduce the flow of detergent suctioned and anticlockwise to increase such flow. CAUTION • To prevent scale and/or deposits, after using with detergent, it is best to wash the flow ducts by sucking up some water.
  • Page 13 STOPPING, CLEANING AND DECOmmISSIONING WARNING • Follow the instructions regarding stopping, cleaning and decommissioning contained in the manual of the machine in which the pump is integrated. STOPPING WARNING • Always make sure that, once stop operations have been performed, no part of the pump and of the machine in which it is integrated is moving and no pipes contain liquid under pressure. Always remember in particular, if present: - to disconnect the power supply; - to disconnect the sparking plug contact (petrol motors), or remove the ignition key (diesel engines). Perform the stop operations contained in the manual of the machine in which the pump is integrated; unless otherwise indicated, in relation to the pump, remember the following. a) Close the water supply.
  • Page 14: Routine Maintenance

    NOTE: After a prolonged stop, slight water dripping could occur underneath the pump. Such dripping normally disappears after a few hours of operation. Should it persist, contact a Skilled Technician. mAINTENANCE WARNING • Follow the maintenance instructions contained in the manual of the machine in which the pump is integrated. “s ” • All maintenance jobs must only be performed after carrying out the operations described in the paragraph, meaning without any moving parts, no pipe full of liquid under pressure and only after complete cooling.
  • Page 15: Dismantling And Disposal

    DISmANTLING AND DISPOSAL Only qualified persons must be allowed to dismantle the pump and this operation must be performed in compliance with the laws applicable in the country where the machine in which it is integrated has been installed. TROUbLESHOOTING WARNING • Also follow the instructions contained in the manual of the machine in which the pump is integrated. “s ” paragraph. • Before doing any jobs, perform the operations described in the In the event of not being able to restore the correct operation of the pump with the aid of the information contained on the following table, contact a Skilled Technician. PRObLEmS CAUSES REmEDIES The pump does not Suction of air. Check the integrity of the suction circuit. prime. Delivery line closed (e.g., spray gun closed). Reset the delivery pressure (e.g., press the spray gun lever).
  • Page 16: Standard Fittings

    PART TWO (for Skilled Technicians only) WARNING • This part of the manual is dedicated to Skilled Technicians and is not intended for users of the machine in which the pump is integrated. UNPACKING WARNING • During unpacking, always wear gloves and protective eyewear, to prevent injuring hands and eyes. “s ” paragraph) and these • Some pumps are heavy components (also refer to the peciFications and technical data are therefore best unpacked by cutting away the bottom of the cardboard box. • The packaging elements (plastic bags, staples, etc.) must not be left within reach of children as they represent potential hazard sources. • Packaging components must be disposed of according to the regulations in force in the country where the machine in which the pump is integrated has been manufactured. Plastic packaging must not be discarded in the environment. • After unpacking the pump, make sure no parts are missing and that all parts are in perfect condition, and that the identification plate is in place and legible. In case of any doubt, do not install the pump, but contact the Manufacturer or a Skilled Technician. • This manual and the warranty certificate must always accompany the machine in which the pump is integrated and made available to the end user. STANDARD FITTINGS Make sure the purchased product consists of the following elements: • pump; • oil cap with vent (8); • pump manual;...
  • Page 17: Optional Accessories

    OPTIONAL ACCESSORIES WARNING • Inadequate optional accessories could negatively affect pump operation and make this hazardous. Only ever use original optional accessories recommended by the Manufacturer. • As regards general information, safety precautions,installation and maintenance of optional accessories, refer to the accompanying documents. The standard pump equipment can be integrated with the following range of accessories: • pressure unloader/regulation valve; • safety valve; • thermal valve; • suction filter; • suction fitting of various shapes and sizes; • pressure gauge; • etc. For further details contact your dealer. APPLICATIONS WARNING • Adequately protect the moving parts with suitable guards. Special attention must be given to pulley applications. • The pump must operate without exceeding the pressure limits and rotation speed as shown on the plate (7) “s ” paragraph). In particular, always make sure the pressure (also refer to the peciFications and technical data unloader/regulation valve is correctly set and that this setting is guaranteed, e.g., by paint coating. • The pump must always be firmly fastened either to the motor flange or on a stable base by means of the feet (optional). The pumps described in this manual, depending on the model, are available in versions for numerous applications: • female shaft Ø 3/4” for internal combustion engine with flange SAE J 609 A;...
  • Page 18 HECKING AND CONNECTING UP TO THE WATER ” and “S ” paragraphs. SUPPLY PECIFICATIONS AND TECHNICAL DATA In particular, the suction circuit must be sized so as not to determine on the pump suction fitting: - a pressure higher than 8 bar/116 psi; - a vacuum higher than: 0,15 bar/2,18 psi (series AX, BX and pumps at 1000, 1450 and 1750 RPM); 0,1 bar/1,45 psi (MTP LWR-K, MTP ZWR-K); 0,1 bar/1,45 psi (pumps at 2800 and 3400 RPM). • At pump suction, a filter of adequate dimensions must be fitted. In case of doubts, contact the Manufacturer. • The suction pipes must have a suitable internal diameter and a nominal pressure of 10 bar/145 psi. • The delivery pipes must have a nominal pressure not below the pump max. pressure. On the models LW, ZW, FW, RW, HW, AW, BW, SW and TW, suction and delivery fittings are available both on the right side and on the left side of the head.
  • Page 19 SPECIAL mAINTENANCE Follow the instructions in the corresponding paragraph of section one. The tightening torques to be used are shown on the following table (refer to Fig. 5). Tightening torques Nm (lb.ft) Adhesive to Description LW ZW be applied < 230bar 10 (7,4) a Head screws 25 (18,4) 25 (18,4) 10 (7,4) 10 (7,4) 25 (18,4) > 230bar 80 (59,0) Valve caps (aluminium head) 35 (25,8) 40 ( 9,5) Loctite 243...
  • Page 20 COMET S.p.A. - Via G. Dorso, 4 - 42124 Reggio Emilia - ITALY Tel. +39 0522 386111 E-Mail Italia: vendite@comet.re.it - fax +39 0522 386300 E-Mail Export: export@comet.re.it - fax +39 0522 386286 www.comet.re.it 1610 0325 00A - 02/2012 - Rev. 01...

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