Flowserve MENBLOC 60Hz User Manual download pdf (Page 31)

MENBLOC 60Hz USER INSTRUCTIONS ENGLISH 71559945 - 02/13

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6.6 Assembly

6.6.1 Reassembly of the MENBLOC unit

REASSEMBLY OPERATIONS

MENBLOC

WITH AN

ADDED

PUMP SHAFT

MENBLOC

WITH AN

EXTENDED

MOTOR

SHAFT

Fit the [2110] pump shaft on

the motor shaft end with its

[6700-01] key

X

Screw and tighten the [6570]

screw in the hole of the motor

shaft end

X

Put the motor vertically shaft

end upwards. Take

precautions not to damage the

fan cover

X X

Put the [9331] shield grid into

the cover for motor casing

X

Mount the lantern bracket

[3180] on the motor. Screw

and tighten the [6577-03] bolts

and the [6581] hexagon nuts

X

Mount the [1221] casing cover

with stuffing box on the [3130]

cover of motor casing and

respect the orientation (the 2

casing cover ribs facing the 2

oblong holes of the cover for

motor casing)

X

Mount the [1221] casing cover

on the [3180] lantern bracket

and respect the orientation

X

For an unclamped casing

cover: screw and tighten the

[6577-02] bolts with an

appropriate wrench tightening

opposing bolts and working

around the casing

X X

Put the fixed ring of the [4200]

mechanical seal into soapy

water and mount it in the

casing cover

X X

Plunge rotating ring into soapy

water

X X

Mount the complete stationary

ring, the spring and the seat of

the [4200] mechanical seal

X X

Mount the [6700] or [6700-02]

key

X X

Mount the [2250] impeller on

the shaft end and avoid

damaging the mechanical seal

seat

X X

Mount the [2905] plain washer.

Screw and tighten the [6570]

screw with an appropriate key

(fix the rotor in position)

X X

REASSEMBLY OPERATIONS

MENBLOC

WITH AN

ADDED

PUMP

SHAFT

MENBLOC

WITH

EXTENDED

MOTOR

SHAFT

Mount the [4590-03] special ring

on the casing cover. Mount the

pump shaft and respect the

orientation

X X

Screw the [6577-01] or [02] bolts.

Tighten opposing bolts working

around the cover with an

appropriate wrench (do not use a

striking-face wrench)

For MENBLOC

80-65-125, 80-65-160, 80-65-200L,

100-80-160, 100-125-250L, the

[6577-01] bolts have to be

mounted with sealing product

LOCTITE pipe sealant 577 or

similar.

X X

Check the correct rotation of the

rotor with an appropriate key at the

shaft end

X X

Reinstall the unit according to the

rules defined in this manual

X X

TO REINSTALL DIRECLY THE ELECTRIC MOTOR

The [6570] screw stays in the shaft

threading but does not hinder the

assembly, install the motor, mount

and block the [6577-03] bolts and

the [6581] nuts

X

Push on the pump shaft end

without shocks or blows until the

pump shaft presses against the

shoulders of the motor shaft.

Tighten the [6570] screw. (see the

following fig. 1)

X

To avoid loosening of the screw

during the running of the pump use

a nut locking compound, after

having pain carefully degreased

the screw and the threading

X

These recommendations correspond to a

complete assembly and to a complete dismantling.

For a partial dismantling, only certain areas will be

relevant.

The torques to be applied are:

Casing / casing Cover /Lantern [6577] Screw [6570]

m.daN

lbf.ft Nm lbf.ft

M10 3 22 ⅜ " 16 12

M12 5 37 ½" 41 30

M16 11 81 M12 60 44

M14 80 59

M18 120 89

M20 140 103

M24 160 118

1 2 ... 26 27 28 29 30 31 32 33 34 35 36

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