Bertolini 74.1030.97.3 Скачать руководство пользователя | Manualshive

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4.8 Errors to avoid

1) Avoid, otherwise a “siphon” effect could be created;
2) Avoid 90° bends;
3) Avoid reductions in diameter;
4) Never connect the bypass line to the feeding line return.

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Содержание 74.1030.97.3

Страница 1: ...1 PISTON PUMPS CHX Series Via F lli Cervi 35 1 42124 REGGIO EMILIA ITALY Operation maintenance and repair manual CHX Series Pumps EN Reggio Emilia Italy...

Страница 2: ...r confidence in us Please read this manual carefully and always keep it within easy reach You will find it useful in resolving any problem you may have concerning the characteristics and functionality...

Страница 3: ...16 5 2 A Protection against overpressure 16 5 2 B Protection against abrasive particles 16 5 2 D Protection against overheating 19 5 2 E Protection against insufficient or no water supply 19 5 2 F En...

Страница 4: ...e product was marketed and cannot be considered inadequate solely because it was updated on the basis of new experience IDROMECCANICA BERTOLINI S p A is entitled to update the products and relative ma...

Страница 5: ...stable sound secure base Wear protective goggles when using the system Always hold the spray gun with both hands when it is operating Do not point the jet towards people animals or fragile objects in...

Страница 6: ...arrives make sure that the data plate is similar to the one depicted below The data plate gives the following information 1 Pump model 2 Serial number 3 Maximum permissible pressure in bars 4 Maximum...

Страница 7: ...ssure and flow rate rpm l min GPM bars PSI kW HP No mm CHX 13 1000 74 1035 97 3 750 17 4 4 1000 14500 32 9 44 1 1 3 8 DIN 9611 3 14 CHX 24 1000 74 1036 97 3 750 18 8 5 1000 14500 36 9 49 5 3 15 CHX 21...

Страница 8: ...s 1 Crankcase 2 Oil fill plug with level dipstick 3 Eyebolt for lifting 4 Head or pump body 5 Delivery duct 6 Suction duct 7 Bearing supports 8 Pump shaft 9 Identification plate 10 Oil level plug 11 O...

Страница 9: ...liquids Solvents and diluents of all kinds and types Paints of all kinds and types Liquids at temperatures lower than 4 C or higher than 60 C Liquids containing granules or solids in suspension The p...

Страница 10: ...re to comply with the following instructions 4 1 Pump connection to the frame The system must be installed on a stable sound safe base using the six M14 holes at the base of the crankcase 4 3 Pump mot...

Страница 11: ...nsmission The pump can be controlled by a system of V belts or timing belts Minimum diameter of driven pulley on pump shaft 250 mm The radial load on the shaft must not exceed 7500 N Consult technical...

Страница 12: ...de for non supercharged pumps Filters with higher filtering grades can be used for supercharged pumps Whatever the case the filters installed must not lower the suction pressure indicated above Consul...

Страница 13: ...valve and regulating valve If the safety valve continues to trip immediately stop the pump and have the system checked by a specialized technician Do not connect the safety valve outlet or regulating...

Страница 14: ...Feeding line clear passage 37 6 Filter on suction side 200 mesh 750 rpm 200 mesh 1000 rpm 7 Pressure switch Pressure gauge to monitor supply 8 Safety valve 9 Safety valve bypass 10 Regulating or press...

Страница 15: ...15 4 8 Errors to avoid 1 Avoid otherwise a siphon effect could be created 2 Avoid 90 bends 3 Avoid reductions in diameter 4 Never connect the bypass line to the feeding line return...

Страница 16: ...ting and consequently damaging the pump Automatic regulating and bypass valve An automatic valve reduces this problem since the water is re circulated at a very low pressure in this type of valve and...

Страница 17: ...d altitude of the place where the pump is used with respect to sea level When a system is designed one must therefore remember that the pressure of the water at the pump inlet will always be lower tha...

Страница 18: ...18 Table 2 Losses per 10 m 10 ft of steel pipe for various Table 3 Loss of suction with dimensions and flow rates temperature of the water Table 4 Suction loss depending on height above sea level...

Страница 19: ...damage the pump itself A level switch that signals when there is insufficient water in the tank or when possible that stops the pump motor is recommended for the purpose of preventing the pump from ru...

Страница 20: ...ds increasing the risk of cavitation In addition all the components in the circuit especially the regulating valves will be subjected to continuous and excessive stress In short the flow rate of the p...

Страница 21: ...placed Answer Outer diam of pump pulley Outer diam of motor pulley x Motor rpm Pump speed rate Question If a motor has a lower rate than the max rate indicated on the data plate which is the maximum f...

Страница 22: ...that the oil level must always be checked when the pump is at a standstill and completely cooled Before starting the pump carefully read the instructions in this manual and in the manual of the machi...

Страница 23: ...jects which could be damaged or blown away if hit by the jet Always pay attention to the direction taken by the debris removed by the jet of water Use panels or baffles to protect items which could be...

Страница 24: ...ated performance Insufficient water supply Defective or badly adjusted regulating valve Nozzle of the wrong size or worn Worn piston gasket Worn valves Speed rate lower than value on data plate Make s...

Страница 25: ...vered by the warranty The warranty is valid When the pump has been used in full compliance with its technical specifications The warranty becomes void In the case of damage caused by malfunctioning of...

Страница 26: ...esence of water If water is found in the oil immediately check to find out where it enters and change the relative seals Thoroughly wash the crankcase and drive mechanism before changing the oil WARNI...

Страница 27: ...ws that fasten the sleeves without removing them Unscrew the two M12 bolts that fasten the head A and B and replace them with screw plugs code 77 3943 Remove the remaining M12 bolts that fasten the he...

Страница 28: ...dropping 10 4 A Suction valves Remove the plates the springs and the spring guides from the sleeves keep the components of the three pumping elements separate if the used parts are going to be re ass...

Страница 29: ...usings by applying lateral movements Remove the plates springs valve spacers and valve guides from the head keep the components of the three pumping elements separate if the used parts are going to be...

Страница 30: ...part Place a new front gasket in the thimble with the sealing lip pointing downwards Using the plug code 77 3942 insert the front gasket into the sleeve as far as the plug will go Make sure that you k...

Страница 31: ...ode 77 3946 Replace the O Ring Fit the valve components back into the head in the following order plate guide valve spacer spring plate Remove the axial gaskets rings made of plastic material which ma...

Страница 32: ...case spacer on the screw plug in the crankcase and allow it to slide fully against the crankcase Grease the pistons and position the rear pack anti extrusion rings and rear gaskets onto the pistons Al...

Страница 33: ...ng Loctite from the threaded holes of the piston guideways Apply Loctite 542 to the threads of the pistons and screw them into the piston guideways using 50 Nm torque Repeat these operations for the o...

Страница 34: ...sembly of head and sleeves Turn the shaft so as to expose the three pistons and grease Grease the O Ring on the outer diameter of each sleeve Make sure that the rear packs are positioned in their hous...

Страница 35: ...that order using at least 20 30 Nm torque so as to keep the pump crankcase and pistons square to each other Remove the two screw plugs and insert the remaining two M12 screws in their place Tighten a...

Страница 36: ...by levering as indicated in figure 5 Re assembly Insert the new retaining ring into the relative plug fig 6 and fit it into its housing with the aid of a mallet fig 7 Warning do not attempt to re asse...

Страница 37: ...embly plug 2 77 3946 Plug for seating axial gasket of valves 1 77 3944 Plug for seating rear gaskets 1 77 3941 Thimble for seating front gaskets 1 77 3942 Plug for seating front gaskets 1 Complete kit...

Страница 38: ...ovisions established by the aforementioned Directive is the responsibility of the manufacturer of the machine into which the pump is incorporated Idromeccanica Bertoloini S p A therefore declares that...

Страница 39: ...39...

Страница 40: ...40 PART No 74 0066 99 2 REV 00...

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