Xylem 9100 Series Base Mounted Centrifugal Fire Pumps AC User Manual download pdf (Page 6)

PUMP LOCATION

Locate the pump so there is sufficient room for

inspection, main-tenance and service. If the use of

a hoist or tackle is needed, allow ample head

room.

WARNING: Falling Objects Hazard

Eyebolts or lifting lugs, if provided, are for

lifting only the components to which they are

attached. Failure to follow these instructions could

result in serious personal injury or death, or

property damage.

If lifting base pump is required, use a nylon string,

chain, or wire rope, hitch around both bearing

supports. If lifting of the entire pump is required,

do so with slings placed under the base rails as

shown.

Care must be taken to size equipment for

unbalanced loads which may exist if the motor is

not mounted on the base at the time of lifting.

Motor may or may not be mounted at the factory.

Pump, base, and driver assemblies where the

base length exceeds 100 inches may not be safe

to lift as a complete assembly. Damage to the

baseplate may occur. If the driver has been

mounted on the baseplate at the factory, it is safe

to lift the entire assembly. If the driver has not

been mounted at the factory, and the overall

baseplate length exceeds 100 inches, do not lift

the entire assembly consisting of pump, base, and

driver. Instead, lift the pump and baseplate to its

final location without the driver. Then mount the

driver.

The best pump location for sound and vibration

absorption is on a concrete floor with subsoil

underneath. If the pump location is overhead,

special precautions should be undertaken to

reduce possible sound transmission. Consult a

sound specialist.

NYLON SLING,

CHAIN OR WIRE

ROPE

CHOKER

HITCH

AROUND

BEARING

FRAME

FIGURE 3

If the pump is not on a closed system, it should be

placed as near as possible to the source of the

liquid supply, and located to permit installation with

the fewest number of bends or elbows in the

suction pipe.

The installation must be evaluated to determine

that the Net Positive Suction Head Available

(NPSHA) meets or exceeds the Net Positive

Suction Head Required (NPSHR), as stated by the

pump performance curve. See page 15 for more

details on proper suction piping installation.

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Xylem 9100 Series Base Mounted Centrifugal Fire Pumps AC User Manual Page 6

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