Varisco Mechanical Seal Kit
Varisco Mechanical Seal Kit
Varisco Mechanical Seal

VARISCO Mechanical Seal Kit

£174.00 {+VAT}

Please note, this is a generic image, your item may vary.

DELIVERY? ?3-5 Days if in Stock | Average 2-3 Weeks | Contact us for Confirmation

SKU: 10043766_for_JE_2-120_P10_E_T/M_0 Categories: , , , , , , ,

Description

Varisco Mechanical Seal Kit

For information on how to replace the Mechanical seals please visit the O&M Manual for your specific Pump.

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Replacing the mechanical seal type 1 – 2 – 3 (figs. 10, 11, 12) (Illustrations in O&M)
(Type 4 & 5 below)

  • Drain the pump casing
    Attention: residual liquid may be found inside the pump casing, head and suction line; take all necessary precautions if the liquid is hazardous (inflammable, corrosive, poisonous, infected, etc.)
  • Remove the nuts (52) and remove the casing (01)
  • Block the impeller (03) and remove the self-locking impeller nut (33)
  • Remove the impeller
  • Remove the head (19). The rotating part of the seal (40) mounted on the shaft sleeve (31) will slide off the shaft together with the head
  • Remove the stationary seat (39) and its gasket (38) from the head
  • Remove the lip seal (41)
  • Wash the head with solvent to remove any residue of grease and clean the seats of the stationary seal and lip seal thoroughly
  • Mount a new lip seal in the head. To facilitate assembly, smear a little oil on the seat and on the outer surface of the lip seal
  • Mount the stationary portion of the seal (39) together with its gasket (38). To facilitate this operation, wet the seat on the head and the gasket with methylated spirits. If necessary, use a wooden plunger or similar to push the stationary seal (39) into its seat
  • Reassemble the head taking care not to touch the shaft with the stationary seal seat. If this is ceramic, it could easily break or chip
  • Tighten the head screws (45) and nuts (45.1)
  • Smear the gasket of the rotating seal seat (40) and the shaft sleeve (31) with oil and slip the seal on to one end of the shaft sleeve
  • Slip the sleeve and seal on to the shaft and push to overcome the slight resistance offered by the lip seal. Take care that the seal does not slip off the shaft sleeve.
  • Mount the seal support ring (25.1). Push this forward until it is possible to reassemble the impeller key (60)
  • Reassemble the impeller (03), the impeller washer (66) and tighten the impeller nut (33)
  • Check that the distance between the impeller and the front wear plate as described in paragraph 13.7
  • Reassemble the casing gasket (43) after smearing both sides with grease
  • Reassemble the casing and tighten the nuts, checking that the impeller is free to rotate
  • Fill the seal lubrication chamber (see paragraph 12.1.1, 12.1.2) with grease.

 

Replacing type 4 – 5 cartridge seals (fig. 10, 13, 14, 15, 16)

  • Drain the pump casing as described in paragraph 7.
    Attention: residual liquid may be found inside the pump casing, head and suction line; take all necessary precautions if the liquid is hazardous (inflammable, corrosive, poisonous, infected, etc.)
  • Unscrew the nuts (52) (fig. 10) and remove the pump casing, taking care not to damage the casing gasket (43)
  • Block the impeller (03) and remove the self-locking impeller nut (33)
  • Remove the impeller
  • Disconnect the flushing lines.
  • Fix the seal lock setting plates (25.4) in their seats (fig. 13)
  • Loosen the grub screws of the shaft sleeve (fig. 14)
  • Unscrew the screws (20.2) which fix the seal flange to the head (fig.15)
  • Remove the head (19)
  • Remove the seal (25), the shaft sleeve (31), the seal box (20) and the gasket (20.1)
  • If the gasket (20.1) is damaged, replace it.
  • To assemble, proceed in reverse order
  • To facilitate the initial assembly of the seal (fig. 16), smear a little oil on the shaft sleeve (31)
  • Tighten the fixing screws (20.2) carefully (fig. 15) so as to avoid strain on the stationary seat of the seal
  • Tighten the grub screws as far as they will go (fig. 14)
  • Remove the setting plates (25.4) which hold the seal (fig. 13) and fix them in the appropriate
  • ?holes in the flange so that they can be used again to remove the seal
  • Reconnect the flushing lines, begin flushing and bleed out air from the area around the seal. The seal must not run dry even for a few moments

DOWNLOADS

OPERATION AND MAINTENANCE MANUALS
Manual_-_JS-JP-JE-JO-JT
Manual_-_J_ATEX

GENERAL INFORMATION
Varisco_Sales_Brochure_-_2020

Shipping & Delivery

We offer free standard delivery (3-5 working days) to all UK Addresses. Free delivery relates to all Pumps on our website and individually purchased spares or accessories over the value of £60 (before VAT). Individual Spares or Accessories purchased under £60 will incur a £8.50 + vat delivery charge.

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