VARISCO M Series Скачать руководство пользователя страница 27

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Varisco S.p.A.

Z.I. Nord - Terza Strada, 9 - 35129 PADOVA – ITALY

Tel.+39.049.8294111 Email: [email protected]

Fax+39.049.8076762 Web: www.variscospa.com

1. Ambient temp. °C between -16 and +40
2. Elevation less than 1000 m.

Single-speed motors with star-delta connection (6 terminals)

9.5.2 MOTORS CONNECTION

L1 L2 L3

STAR−DELTA

Содержание M Series

Страница 1: ...NG CAVITY PUMPS 5 2 FUNCTIONING 5 3 BRIEF DESCRIPTION OF THE PRODUCT 6 3 1 MAIN TECHNOLOGICAL FEATURES OF PROGRESSING CAVITY PUMPS 6 3 2 CLASSIFICATION 6 3 3 MOTORS 6 3 4 AVAILABLE CONFIGURATIONS 7 4...

Страница 2: ...16 8 4 4 MOTOR VARIATOR 16 8 5 MALFUNCTIONING 16 9 DISASSEMBLY AND ASSEMBLY OF COMPONENTS 17 9 1 DISASSEMBLY OF ROTOR STATOR 17 9 1 1 CERAMIC ROTOR 18 9 2 ROTOR STATOR RE ASSEMBLY 18 9 3 ROTOR JOINT...

Страница 3: ...lled by employers executives and operators must be drawn up according to the degree of exposure to the noise by the workers The noise made by the machine is within range 1 wherein the noise risk is co...

Страница 4: ...e moving parts e g joint may not be removed when the machine is working Leakage of hazardous materials e g from shaft seal such as explosive poisonous and overheated materials shall be disposed of wit...

Страница 5: ...when dismantling the pump the rules related to the discharge material handling must be complied with i e protecting apparel smoking prohibition etc before restarting all protective devices mechanical...

Страница 6: ...the fluid Pumping of very high viscous liquids Dosage of liquids No inlet or delivery valves Centrifugation free pumping with low tension stress in the pumped material High pumping pressure 6 BAR for...

Страница 7: ...steel pipe internally coating with elastomeric material chemically compatible with the properties of the fluid to be pumped It may be made with different elastomers Class MST C MATERIAL MAX TEMP Clas...

Страница 8: ...eric sleeve and changeable bushing for high power Type SN6 Universal joint with elastomeric sleeve and changeable bushing Type SN7 Open Pin joint for use with foods without sleeve Type SN8 Pin joint w...

Страница 9: ...rked and supplied with handling instructions Upon receipt check for possible damages Transport damages are to be reported immediately to the carrier Pumps are to be brought packed as near as possible...

Страница 10: ...inted pump parts Grease Motors see manufacturer s instructions 6 ELECTRIC CONNECTION PIPELINE CONNECTION 6 1 INSTALLATION OF MOTOR 6 1 1 ELECTRIC CONNECTION The work relating to electric connections s...

Страница 11: ...e the joint cover and check its alignment by means of a ruler before startup If the foundation is not properly leveled the base may buckle The tolerances usually allowed in joints used by the company...

Страница 12: ...e fluid upstream and downstream in order to ensure that there is always enough fluid in the pump to provide lubrication at startup Minimize the air intake in the body pump Note In case fluxed packing...

Страница 13: ...its body with the liquid to be pumped before the first startup Control the rate of delivery by modifying the rpm of the motor instead of setting choking valves Install an immediate stop device in cas...

Страница 14: ...1 PROCEDURES 7 3 1 1 STATOR In case of prolonged stop the rotor may permanently deform the stator on the contact surfaces compression set In this case a greater pickup torque is required at restart It...

Страница 15: ...h subsequent leakage of fluid NOTE The packing seal is in optimal working condition if constantly damped by the product to be pumped 8 2 2 2 SINGLE MECHANICAL SEAL The type and brand of the mechanical...

Страница 16: ...bearings are greased at NR In case they were removed their seat shall be filled with grease according to the table above 8 4 3 PROPELLER SHAFT JOINTS Pin joints with sleeve are to be periodically lub...

Страница 17: ...the liquid percentage Install a grid at intake 8 Clean the pump and repeat the operation after each single use 9 Increase the level of liquid at intake to prevent air intake 10 Check seals and careful...

Страница 18: ...The rotor shall not collide with the pump body under any circumstances Struck parts become critical and could trigger early failures 9 2 ROTOR STATOR RE ASSEMBLY 1 Before re assembly it is necessary...

Страница 19: ...low instructions in Chap 9 1 2 Extract the pump body in the direction of the black arrow see below Then the drive joint connected to the rotor will be visible 3 Follow the instructions given in this p...

Страница 20: ...ackwards 09 in the direction of the black arrow 3 Remove the internal flat sleeve 10 by operating on the larger part then move it in the direction of the black arrow 4 Remove the grub screw 11 5 Move...

Страница 21: ...r flange 18 NOTE The screw 20 serves the purpose of topping up the oil in the joint during the maintenance cycles SN5 This kind of joint has no spare parts available In case of malfunctioning it shall...

Страница 22: ...ey ll both be free of the joint Then the hexagonal head screws holding the bell to the rotor or hollow shaft depending on the joint involved will be visible 6 Unscrew the screws 34 The bell will be co...

Страница 23: ...s 44 Then the rotor will be completely free ready for replacement SN9 IMPORTANT Bushes increase the life of the system but are integral with the pin hence when the pin is replaced they shall always be...

Страница 24: ...revent it from damage upon the disjunction of the seal from the hollow shaft 7 Remove the stationary seat 12 using a screwdriver RE ASSEMBLY 1 Check the condition of O Rings seal and stationary seat f...

Страница 25: ...ASSEMBLY 1 Check the condition of the seal faces as well as the O rings in some types of seal 2 Check the condition of the hollow shaft 3 Clean the hollow shaft the slot 04 see picture above and all i...

Страница 26: ...parts 4 Clean and oil the motor shaft Rust jams the shafts coupling thus increasing the danger of damage during disassembly 5 Wet with glycerine the hollow shaft on the involved area to ease the inser...

Страница 27: ...9 049 8294111 Email export variscospa com Fax 39 049 8076762 Web www variscospa com 27 1 Ambient temp C between 16 and 40 2 Elevation less than 1000 m Single speed motors with star delta connection 6...

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