Grundfos BME Manuale utente

BME, BMET

Pulley head

Dismantling and assembly

GRUNDFOS INSTRUCTIONS

CONTENTS

Page

1. Service tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3. Dismantling of pulley head for BME. . . . . . . . . . . . 5

4. Assembly of pulley head for BME . . . . . . . . . . . . 13

5. Dismantling of pulley head for BMT. . . . . . . . . . . 23

6. Assembly of pulley head for BMT . . . . . . . . . . . . 30

1. Service tools

TM01 1676 5097

Puller complete

(SV 08 52)

TM01 1675 5097

Depth gauge

TM01 1677 5097

Ratchet spanner

(size 19 mm)

TM01 1678 5097

Keys for hexagon socket head

screws

(sizes 5 and 6 mm)

TM01 1679 5097

Belt tension tester

(96 10 56 45)

TM01 1680 5097

Hook spanners

(ID 34 07)

TM01 1681 5097

Holder for rotating shaft

(SV 10 17)

TM01 1682 5097

Tool for spline shaft

(SV 10 16)

TM01 1683 5097

Puller

(SV 03 27)

TM01 1684 5097

Fitting punch for axial bearing

(SV 00 21)

Fitting punch for seal ring

(SV 00 20)

TM01 1685 5097

Shaft height gauge

(SV 01 15)

TM01 1688 5097

Hammer

TM01 1689 5097

Knife

TM01 1690 5097

Punches for adjustment of turbine

wheel

(SV 08 54 and SV 08 55)

TM01 1692 5097

Victaulic coupling

Tool for adjustment of turbine wheel

(SV 10 10)

TM01 1693 5097

Dismantling bolts

(hexagon socket head M6 x 30)

TM01 1694 5097

Hexagon head screws

(M8 x 100 and M10 x 110)

TM01 1695 5097

Fitting tools for bearing

(SV 00 19)

TM01 1696 5097

Ring/open-end spanners

(sizes 8, 10, 13, 17 and 19 mm)

2. General

If your system is a BME, it has only one pulley head:

• BME pulley head.

For the dismantling of the BME pulley head, go to

page 5 Dismantling of pulley head for BME.

For the assembly of the BME pulley head, go to

page 13 Assembly of pulley head for BME.

If your system is a BMET, it has two pulley heads:

• BME pulley head and

• BMT pulley head.

For the dismantling of the BME pulley head, go to

page 5 Dismantling of pulley head for BME.

For the assembly of the BME pulley head, go to

page 13 Assembly of pulley head for BME.

For the dismantling of the BMT pulley head, go to

page 23 Dismantling of pulley head for BMT.

For the assembly of the BMT pulley head, go to

page 30 Assembly of pulley head for BMT.

BME BMET

Dismantling of pulley head for BME 5

3. Dismantling of pulley head for BME

Note: To prevent water from mixing with the oil

when the motor-driven pump is removed, proceed

as follows:

• Pull the pulley head with pump out of the sleeve.

• Loosen the pump from the pulley head.

• Proceed as shown in the following illustrations.

Fig. 1

TM01 1543 4997

Pulley head complete.

Fig. 2

TM01 1544 4997

Slacken and remove the six screws (M6 x 30) holding the

front cover.

Fig. 3

TM01 1545 4997

Loosen the cover by means of dismantling bolts inserted in

the additional holes in the cover.

6Dismantling of pulley head for BME

Fig. 4

TM01 1546 4997

Remove the cover.

Note: Oil will run out when the cover is removed.

Fig. 5

TM01 1547 4997

Slacken and remove the six screws (M5 x 16) holding the

rear cover.

Fig. 6

TM01 1548 4997

Loosen the cover by means of dismantling bolts inserted in

the additional tapped holes in the cover.

Fig. 7

TM01 1549 4997

Puller in the correct position.

Rear cover

Dismantling of pulley head for BME 7

Fig. 8

TM01 1603 4997

Note: Position the curved side as indicated by the arrow.

Fig. 9

TM01 1550 4997

Pull off the pulley.

Note: Push the rear cover backwards and fit the puller di-

rectly to the pulley.

Fig. 10

TM01 1551 4997

Lift off the pulley.

Fig. 11

TM01 1552 4997

Slacken the three screws (M6 x 14) in the spacing pipe.

Rear cover

8Dismantling of pulley head for BME

Fig. 12

TM01 1553 4997

Remove the spacing pipe.

Fig. 13

TM01 1554 4997

Puller in the correct position.

Fig. 14

TM01 1603 4997

Note: Position the curved side as indicated by the arrow.

Fig. 15

TM01 1555 4997

Pull the ball bearing past the first fit.

Normally, the bearing can be removed by hand as the

bearing fits loosely on the stationary shaft.

Dismantling of pulley head for BME 9

Fig. 16

TM01 1556 4997

Pull the ball bearing past the second fit.

Normally, the bearing can be removed by hand as the

bearing fits loosely on the stationary shaft.

Fig. 17

TM01 1557 4997

Puller in the correct position.

Fig. 18

TM01 1559 4997

Press the ball bearing out of the first fit.

Fig. 19

TM01 1558 4997

Press the ball bearing out of the second fit.

10 Dismantling of pulley head for BME

Fig. 20

TM01 1560 4997

Slacken and remove the four screws (M8 x 30) holding the

stationary shaft.

Fig. 21

TM01 1561 4997

Loosen the shaft by means of dismantling bolts inserted in

the additional tapped holes in the shaft.

Fig. 22

TM01 1562 4997

Lift off the stationary shaft.

Take care not to damage the carbon of the shaft seal when

the stationary shaft is lifted free of the rotating shaft.

Fig. 23

TM01 1563 4997

Remove the rotating shaft.

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