Goulds Pumps 3910 11th ed. - IOM User Manual

Page 33

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5. Loosen and remove seal chamber cover/bearing frame

bolts (370H).

6. Separate seal chamber cover (184) from bearing frame

(228) by tapping on cover flange with a hardwood
block or a soft face hammer.

7. Guide seal chamber cover (184) over end of shaft

(122) once cover releases from bearing frame (228).

$

!

CAUTION

Cartridge mechanical seal may be damaged if cover is
allowed to come in contact with it.

8. Loosen set screws and remove cartridge mechanical

seal from shaft (122).

9. Remove and discard mechanical seal O-ring or gland

gasket (360Q). (Replace this with a new O-ring or
gasket during reassembly.)

REMOVAL OF OPTIONAL WATER
JACKET COVER

1. Suspend seal chamber cover (184) from lifting sling, or

firmly support seal chamber cover in a vertical position
such that one water jacket connection is on the top and
the other is on the bottom.

s

!

WARNING

Seal chamber cover must be adequately supported so
that it cannot fall. Personal injury and/or damage to
equipment could occur.

2.

Introduce water slowly into the bottom connection
until all air is vented and only water comes out of the
top connection.

s

!

WARNING

All air must be vented from water jacket. If all air is
not vented, it can cause water jacket cover (490) to be
propelled from its fit in the seal chamber cover (184).
Personal injury and/or damage to equipment could
occur.

3. Stop introduction of water into water jacket.

4. Seal top connection with plug or other suitable means.

5. Slowly increase water pressure on inlet (bottom)

connection. Water jacket cover (490) should be forced
from its fit in the seal chamber cover (184). Be
prepared to catch water jacket cover.

$

!

CAUTION

Do not exceed 7.0 kg/cm

2

(100 psig) pressure in water

jacket.

6. Remove and discard outer and inner water jacket cover

O-rings (412S and 497T, respectively) from grooves in
water jacket cover (490). (Replace these with new
O-rings during reassembly.)

3910-1

1th IOM 5/08

33

Fig. 16

6

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