Saint-gobain-vidros PFD1 Manuel d'utilisateur télécharger pdf (Page 11)

PFD1/PFS1 – OPERATING INSTRUCTIONS

INDEX DATE N°

03 27/09/01 DC01020US

10/11

• Use the pick (P/N 1643) to correctly position the sleeve in its groove. Be careful not to damage the

sleeve (Figure 7):

• Repeat this operation for the 4 sets of rings.

15) Fit the plates and the body rings (P/N 2706, Mark L) on the core (tighten moderately the screws

P/N 2729), insert first the O.ring (P/N 1720) under the screw head,

16) Fit new plastic caps (P/N 1028) so that tightness between the core and the plates is ensured,

17) Important: lightly wipe the central shaft and shaft composite rings with silicon grease (Molykote

111) before re-assembly. Then insert the central shaft without turning it when threaded part reaches

the O.rings,

18) To re-assemble follow the above instructions but in reverse order.

VI.3.4 – Replacing the PTFE sleeves

Follow the same procedure as for VI.3.3 until 14); after replacing the composite rings, remove the PTFE

sleeves (P/N 7220) from the groove with a blunt pointed instrument. Clean and re-assemble the new part.

A pump that was not originally fitted with PTFE sleeves can be equipped with sleeves. In this case, you

need to change the plates (P/N 2709 and 2728, Marks B and C).

VI.3.5 – Replacing the bellow and body O.rings

After removing the bellows (see V1.3.2, step 8), remove the bellow Viton O.rings (P/N 2725) and the

body O.rings (P/N 2739, Mark H

)

. Then carefully replace the new ones without scratching the surface

of the bellows (P/N 2613 or 2613S, Mark F) or housing (P/N 7145, Mark K).

VI.3.6 – Replacing the manifold O.rings

Follow point VI.3.2, steps 3) and 4). Carefully replace the manifold O.rings (P/N 2745, Mark G). Take

care as these parts are fragile, especially the elbow connectors.

1643

Figure 7

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Pas de commentaire

Saint-gobain-vidros PFD1 Manuel d'utilisateur Page 11