Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for VARISCO V Series
Summary of Contents for VARISCO V Series
- Page 1 Instructions for the installation, use and Series maintenance of pumps...
- Page 2 The following instructions are valid in general for the installation, use and preventive maintenance of all V series internal gear pumps. For spe- cial pumps, further information may be supplied with the pump as nec- essary. Note should be taken of the pump model and serial number.
-
Page 3: Table Of Contents
CONTENTS 1 IDENTIFICATION Pag. 4 ........................Manufacturer . -
Page 4: Identification
1.5 Field of application The pumps are suitable for handling liquids of viscosity up to 100 000 cSt. 1.6 In case of breakdown Contact the nearest Varisco distributor (see list below) or the Varisco factory: Phone: + 39 049 82 94 312... -
Page 5: Safety And Accident Prevention Information
(if fitted) and on the terminal box side of the electric motor. Identify the suction and discharge ports before installation. V series pumps are totally reversible: the direction of flow can be inverted by changing the direction of rotation of the shaft. - Page 6 The base plate on which the unit is mounted must be sufficiently robust and should absorb vibrations rather than cause or amplify them. Steel base plates supplied by Varisco meet these requirements. The foundation on which the base plate is to be mounted should be per- fectly level and at least 50-100 mm wider than the base plate.
-
Page 7: Starting
Check that the mechanical seal quench is full of oil. Do not test V series pumps with water. Before pumping liquids other than that for wich the pump was sold, consult the Technical Manuals and other company literature or con- sult our Sales Department. -
Page 8: Excessive Pump Noise
Tight tolerances.This is shown by pump seizure, overheating, breakage of or damage to bushes, and motor overheating, breakage of or damage to bushes, and motor overload. Increase the clearances after consulting Varisco and giving full details on the application and duty. -
Page 9: Packed Gland Seal
10.3 Mechanical shaft seal fig. 8 If the pump has a reservoir for quench liquid (such as option +O2), check that the level of liquids is approximately 3/4 of the reservoir volume. The liquid in the reser- option voir must be compatible with the pumped liquid. Unless otherwise specified, the shaft seal gaskets are PTFE. -
Page 10: Removing The Cover
Mount the new bush using a bench press with a steady movement. For the V180, V200, heat the idler to 80 deg C and mount the bush. Use a lathe to bring the hole up to tolerance as instructed by Varisco. 11.3 Removing the idler pin (06) (see fig. 10) The idler pin is fixed to the cover. -
Page 11: Removing The Casing
Remove the idler pin from its seat using a press. If there are clear signs of wear, replace the idler pin. If the pin shows signs of overheating, this usually shows that the idler tends to gall. Check the idler bush and the idler thoroughly. 11.4 Removing the casing (01) (see fig. -
Page 12: Removing The St4, St5, St6 Single Mechanical Seal
11.9 Removing the ST4, ST5, ST6 single mechanical seal (see fig. 16) Unscrew the screw (80.1) and move the seal box (80) carefully along the shaft, to avoid breaking the rear oil seal V ring (68). The rotation portion of the seal (66.7) can thus be uncovered. -
Page 13: Assembly
ASSEMBLY V6>V25G In general, the disassembly instructions should be followed in reverse order. 12.1 Mounting the ball bearing (38) Clean the seat on the pedestal (08) thoroughly. Mount the bearing using a bench press. Tighten the bearing lock rings (14,15). They should be adjusted when the pump is completely assembled. -
Page 14: Mounting The St7 Double Mechanical Seal
12.6 Mounting the ST7 double mechanical seal (fig. 23) Set up the shaft in the vertical position with the rotor on the bench. Slip on the rear cover (09). Clean the shaft thoroughly. Slip on the rotating part of the mechanical seal (66.1) with the seat facing away from the rotor. -
Page 15: Mounting The Bushes
For the V 180 and V 200, heat the idler and rear cover to 80 degrees C before mounting the bushes. Wait until they have cooled completely and use machine tools to bring them to the tolerance indicated by Varisco. - Page 16 VARISCO POMPE S.r.l. Zona Industriale Nord - Terza Strada, 9 - 35129 PADOVA - Italy Tel. +39 049 82 94 312 - Fax +39 049 80 76 762 - e-mail: export@variscopompe.com Web site : www.variscopompe.com...