Cook Inlet Vane Damper Manuel d'utilisateur télécharger pdf

This publication contains the installation, operation

and maintenance instructions for standard Inlet Vane

Damper’s on Centrifugal Blower

units.

Carefully read this publication prior to any installa-

tion or maintenance procedure.

For additional safety information, refer to AMCA publica-

tion 410-96,

Safety Practices for Users and Installers of

Industrial and Commercial Fans.

All of the publications listed above can be obtained from

Loren Cook Company by phoning 417/869-6474, extension

166; by FAX at 417/862-0968; or by e-mail at info@loren-

cook.com.

For information on special equipment or torque settings,

contact Loren Cook Company Customer Service Depart-

ment at 417/869-6474.

Receiving and Inspection

Carefully inspect the Inlet Vane Damper for any damage

and shortage immediately upon receipt.

• Turn the blower wheel by hand to ensure it turns freely

and does not bind.

• Inspect dampers for free operation of all moving parts.

• Record on the

Delivery Receipt

any visible sign of dam-

age.

Handling

Lift unit by the outside housing or by the blower mounting

brace.

Never

lift by the linkage.

Storage

If the unit is stored for any length of time prior to installa-

tion, store the unit in its original shipping crate.

Preventive Maintenance

• Check for freedom of operation.

• Check for excessive wear.

• Semi-annually, the linkage should be lubricated with light

weight oil, and inspected for wear. Replace if neces-

sary.

• When equipped with actuator, the manufacturer’s recom-

mended maintenance procedure should be observed.

Check visually to see that the vane position agrees with

the position of the control arm.

WARNING

This unit has rotating parts. Safety precautions

should be exercised at all times during installation,

operation, and maintenance.

ALWAYS disconnect power prior to working on fan.

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

2015 E. DALE STREET

SPRINGFIELD, MO 65803-4637

417.869.6474

www.lorencook.com

Nested

External

If the unit is a double width fan equipped with variable inlet

vane control, synchronize both inlet vanes so that they are in

the same relative position with respect to the impeller on

both inlets).

Make certain that as variable inlet vanes close they cause

entering air to spin in the same direction as the impeller.

Inlet Vane Damper IOM - October 1999

WARNING

Un-synchronized inlet vanes cause an unbalanced

flow between inlets, which results in deficient air

performance, unbalanced thrust on the bearings and/

or a surge condition in the fan.

NOTE: Only recommended for non-ducted inlets.

Inlet Vane Damper

Inlet Vane Damper 1

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Page 1 - Inlet Vane Damper

1 This publication contains the installation, operation and maintenance instructions for standard Inlet Vane Damper’s on Centrifugal Blower units.C

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Cook Inlet Vane Damper Manuel d'utilisateur

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