Xylem IM191 R03 Marlow Series Prime Line Self-Priming Ce User Manual download pdf (Page 8)

Hazardous fluids can

cause personal injury

or property damage.

WARNING

Hazardous voltage

can shock, burn or

cause death.

Hazardous pressure can

cause personal injury,

property damage or death.

CAUTION

BEARING FRAME

1. Replace lip seals if removed.

2. Replace ball bearings if loose, rough or noisy when rotated.

3. Check shaft (38) for runout. Maximum permissible is

0.002" (0.05 mm) TIR.

4. Refer to the “MAINTENANCE” section of this manual

for bearing frame lubricating instructions.

5. Refer to the “MAINTENANCE” section of this manual

for bearing replacement of the E-Series bearing frame.

LIQUID END

1. Inspect shaft removing any debris or burrs.

2. Treat shaft with LOCQUIC

Primer “T”, or equivalent,

following manufacturer’s instructions carefully.

3. When replacing shaft sleeve, spray new shaft sleeve’s bore

with LOCQUIC

Primer “T”, or equivalent. Let parts dry

and then apply LOCTITE

#271 on the same surfaces.

Slide new sleeve, I.D. chamfer end ﬁrst, over shaft with a

twisting motion, wipe off excess. Let cure according to

instructions.

NOTICE: MECHANICAL SEAL MUST BE REPLACED

WHENEVER SEAL HAS BEEN REMOVED.

FOLLOW SEAL MANUFACTURER’S

INSTRUCTIONS CAREFULLY. FOR PACKED

BOX PUMPS SEE “PACKED BOX

INSTRUCTIONS”.

4. The stationary seal seat may be dipped in water to ease

installation. Place stationary seal seat squarely into seal

housing bore. Cover the polished face of the seat with

a thin piece of cardboard or paper towel. Press seat ﬁrmly

into bore using a round piece of plastic or wood that

disperses the force over the entire seal face. NOTE: If

mechanical seal is supplied with a spring retainer, remove

and discard the retainer.

5. Place adapter, concave face pointing up, over motor/frame

shaft and lower it onto the mounting face.

6. Install seal housing on adapter. Exercise care in that the

motor shaft does not dislodge or damage seal seat.

7. Fully and squarely install the rotary assembly of seal

against the stationary seat.

NOTICE: REPLACE IMPELLER BOLT/NUT AND

WASHER WHENEVER IMPELLER IS REMOVED.

8. Install impeller key in shaft keyway. Mount impeller on

shaft and push until it bottoms. Hold in place.

9. Install new impeller washer.

Reverse disassembly procedure to reassemble the pump.

NOTE: Make sure all gaskets, o-ring, rubber check valve and

seal assembly are in good condition before reassembly.

HYDROTEST

NOTE: If hydrostatic test is required in the ﬁeld, it must

be performed with check valve removed or with partially

open check valve.

The hydrotest pressure is generally 1½ times the working

pressure.

To set up the pump for hydrostatic test follow these

instructions:

Before hydrotesting the pump all air must be removed

from the suction priming chamber. This is done by:

(a) Removing ¼" pipe plug from top of the suction

inlet (50).

(b) Install a ¼" pet cock valve (not supplied by Goulds

Water Technology) in place of pipe plug.

pumped through ﬁller plug (129) provided on top of

casing. Do not close pet cock until all air is out of

casing (as shown by a solid stream of liquid coming

out of pet cock).

(d) Close pet cock, reinstall ﬁller plug. Unit is now ready

for hydrotest.

Maintenance

FAILURE TO DISCONNECT AND

LOCKOUT ELECTRICAL POWER

BEFORE ATTEMPTING ANY

MAINTENANCE CAN CAUSE SHOCK,

BURNS OR DEATH.

FAILURE TO RELIEVE SYSTEM

PRESSURE AND DRAIN SYSTEM

BEFORE ATTEMPTING ANY

MAINTENANCE CAN CAUSE

PROPERTY DAMAGE, PERSONAL

INJURY OR DEATH.

IF PIPING HAZARDOUS OR TOXIC

FLUIDS, SYSTEM MUST BE FLUSHED

PRIOR TO PERFORMING SERVICE.

CLOSE-COUPLED UNITS

• Bearings are located in and are part of the motor. For lubrica-

tion information, refer to motor manufacturer’s instructions.

FRAME-MOUNTED UNITS

P-Series

• S Frame has greased for life bearings. No regreasing is

possible or necessary.

• ML frame should be regreased every 2,000 hours or at a

three month interval, whichever occurs ﬁrst. Use a #2

sodium or lithium based grease. Fill until grease comes

out of relief ﬁttings, or lip seals, then wipe off excess.

E-Series

• Set and maintain oil level as shown below.

• Follow motor and coupling manufacturer’s lubrication

instructions.

• Recheck coupling alignment.

MAX.

MIN.

SIGHT WINDOW

/4"

Approximately

52 ﬂuids ounces.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 51 52

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Xylem IM191 R03 Marlow Series Prime Line Self-Priming Ce User Manual Page 8

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