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FP USER INSTRUCTIONS ENGLISH 71576286 - 02/13

Page 25 of 40

6.2.5 Gland packing

6.2.5.1 Pump fitted with a packed gland

A well run in and correctly adjusted packing gland

requires little maintenance.

If, after some time, the leakage becomes too great,

the gland should be tightened again in order to

return these to a normal level.

If re-tightening is not possible, new packing must be

installed

6.2.5.2 Gland packing inspection and removal

a) Remove the shield guards.

b) Slide back the gland.

c) Remove the packing rings with an extractor

designed for this purpose (including the lantern

ring if it exists; note its position and its direction

of rotation).

d) Inspect the state of the sleeve surface; the

presence of many marked grooves will indicate

that it must be replaced.

e) Carefully clean the different pieces of the

packing gland.

6.2.5.3 Gland packing fitting

If the packing is supplied as cord the packing must

be cut so that the external diameter is lightly

tightened and there is an initial gap between the

sleeve and the packing ring.

For that purpose, wind the packing helically around

the shaft sleeve or a chuck of the same diameter.

(Take precautions to avoid damaging sleeve)

Example of straight

Example of bevel cut

Ensure a tightening on the stuffing

box housing and not on the sleeve.

SETTING OF PACKING

Follow the instructions:

a) Assemble of the packing in S.

b) Stagger by about 90° between two rings.

c) Assemble packing after packing.

After setting the last packing ring, secure the

packing with the gland and tighten the nut by hand.

After tightening, the shaft should turn by hand as

easily as before the setting of the packing.

PUMP

TYPE

DIMENSIONS IN MILLIMETERS PACKING

D1 D2 D3 D4 D5 L1 Lgth







50 FP 24 30 46 70 M10

48 600 8

65 FP 24 30 46 70 M10

48 600 8

80 FP 32 40 60 86 M12

63 800 10

100 FP 32 40 60 86 M12

63 800 10

122 FP 45 55 75 100 M12

45 850 10

125 FP 40 50 70 96 M12

60 1000

152 FP 55 70 95 135 M12

78 1100

202 FP 65 80 109 150 M16

91 1200

For arrangement of packing, see section 8.1,

Sectional drawings.

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 39 40

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