VARISCO V Series Instructions For The Installation, Use And Maintenance Download | Manualshive

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Instructions for the

installation, use and

maintenance of pumps

Series

V

V

V

V

GB

1
2
3
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Summary of Contents for V Series

Page 1: ...Instructions for the installation use and maintenance of pumps Series V V V V GB...

Page 2: ...revention and elimination of most common operating problems The following instructions are valid in general for the installation use and preventive maintenance of all V series internal gear pumps For...

Page 3: ...ler 10 11 3 Removing the idler pin 10 11 4 Removing the casing 11 11 5 Removing the ball bearings 11 11 6 Removing the packed gland cast iron pumps from V6 to V25 11 11 7 Removing the packed gland cas...

Page 4: ...acuum gauges rub ber or plastic items etc or damage caused by misuse or improper handling of the pump by the end user Parts replaced under guarantee become the property of the manufacturers Date 3 GEN...

Page 5: ...neutral detergent if this liquid could pollute the product to be pumped it is necessary to wash out the pump before installation Do not pump water for any reason or leave traces of water in the casing...

Page 6: ...e added to the anchor bolts as necessary Anchor bolts whose shapes are specified by sized in proportion to the holes on the base plate Check the alignment of the unit after tightening the anchor nuts...

Page 7: ...ructions carefully 9 1 The pump fails to prime Wrong direction of rotation No liquid in the pump to create a seal between the gears and the casing The suction gauge hardly moves or else oscillates If...

Page 8: ...to become corrosive Check that the concentration has not changed and or that the liquid temperature is within the permitted range The operating limits have been exceeded This is shown by excessive bro...

Page 9: ...all below the setting eg 8 bar At this point the by pass is set and the delivery valve can be opened to let the system operate normally To reset the by pass to a higher or lower pressure follow the sa...

Page 10: ...d to be pumped and the duty Remove the used idler bush using a bench press The bush is usually press fitted Clean the bush thoroughly and check the surfaces for wear Replace the bush if it has externa...

Page 11: ...80 Remove the springs 80 5 and the washer 49 3 Using a packing extractor or a screwdriver and replace them after cleaning the gland thoroughly Mount the new packing rings supplied as a spare part If...

Page 12: ...damage the gasket 75 If the gasket is damaged it must be replaced Loosen the grub screws of the rotating parts of the mechanical seals 66 1 and 66 2 and remove them by sliding them carefully along the...

Page 13: ...oroughly Slip on the rotating part of mechanical seal 66 1 with the seat facing away from the rotor Take care not to damage the internal gasket during this operation Lock the grub screws after positio...

Page 14: ...e grub screws after positioning the seal as shown in the table below NB The table shows the diameter D of the shaft and the distance L2 between the seal 66 1 and the seal box 77 when the rear cover 09...

Page 15: ...ble solvent Avoid using water Pour a little oil fuel oil or rust preventer into the pump grease the bearing and turn the pump over a few times If the pump is to be left out in the open close the ports...

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 Edition 04 Rev 00...

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