Goulds-pumps 3409 - IOM User Manual download pdf (Page 53)

24. Bolt the outboard bearing housing (134) to lower half

casing (100) first.

CAUTION

Be sure that both bearing housing (134) are seated

properly in lower half casing (100).

25. Bolt inboard bearing housing (134) to lower half

casing (100).

NOTE: Check again to be sure bearing housings are

seated properly in lower half casing.

Replacing Upper Casing Half

26. Sling around lifting ears and with stabilizing rod

installed, pick casing upper half off the ground and

rotate top half so that main joint flange is vertical.

(See Fig. 36 with rotation in opposite direction shown.)

27. Move upper half casing (100) towards lower half

casing (100) using alignment rods located in lower half

casing as guides.

28. Prior to complete engagement of upper half onto lower

half, use dowel pins to guide the upper half into its

final exact position.

29. Reinstall all main joints bolts, following tightening

sequence illustrated in Fig. 39. The number of casing

bolts varies with the size of the pump. (See Fig. 23)

Torque bolts 300 ft-lb minimum for .75"-10 Ferry Cap

Countr-bor screws (Grade 8) and 400 ft-lb minimum

for 1.0"-8 Ferry Cap Countr-bor screws (Grade 8).

NOTE: Torquing bolts to proper values in proper

sequence is essential in obtaining

proper gasket compression so no leakage

can occur at main joint.

CAUTION

If impeller was removed from shaft, double check

rotation of pump before installing upper half casing

(See Fig. 15).

30. Rotate shaft making sure it spins free. If the motor or

line shafting has been removed it will now be possible

to reinstall.

COMPLETE PUMP REMOVAL

Should it be necessary to remove a complete pump, it will

be necessary to remove the line shafting or motor,

disconnect the pedestal from its anchor bolts, disconnect

and remove if necessary sections of the suction and

discharge piping, and turn the entire pedestal horizontal

enabling complete pump removal from horizontal position.

3409 IOM 11/04 53

Fig. 39

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 67 68

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Goulds-pumps 3409 - IOM User Manual Page 53

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