COOK PLC Installation, Operation And Maintenance Manual Download Page 8

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Corporate Offices:

 

2015 E. Dale Street

 

Springfield, MO 65803

 417.869.6474

lorencook.com

PLC IOM -  March 2011

Limited Warranty

Loren Cook Company warrants that your Loren Cook fan was manufactured free of defects in materials and workmanship, to the extent stated herein. For a period of one (1) 
year after date of shipment, we will replace any parts found to be defective without charge, except for shipping costs which will be paid by you.This warranty is granted only to 
the original purchaser placing the fan in service.This warranty is void if the fan or any part thereof has been altered or modified from its original design or has been abused, mis-
used, damaged or is in worn condition or if the fan has been used other than for the uses described in the company manual. This warranty does not cover defects resulting from 
normal wear and tear.To make a warranty claim, notify Loren Cook Company, General Offices, 2015 East Dale Street, Springfield, Missouri 65803-4637, explaining in writing, 
in detail, your complaint and referring to the specific model and serial numbers of your fan. Upon receipt by Loren Cook Company of your written complaint, you will be notified, 
within thirty (30) days of our receipt of your complaint, in writing, as to the manner in which your claim will be handled. If you are entitled to warranty relief, a warranty adjustment 
will be completed within sixty (60) business days of the receipt of your written complaint by Loren Cook Company.This  warranty  gives only the original purchaser placing the 
fan in service specifically the right. You may have other legal rights which vary from state to state.

PLC Parts List - Arrangement 3V

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Part

No.

Description

Sizes 

1

Shaft

2

Drive Side Bearing

3

Housing

4

Wheel

5

Inlet Cone

6

Extended Lube Line

7

Inlet Side Bearing

8

Motor Base

9

Motor

10

Motor Sheave

11

Belt Set

12

Fan Sheave

PLC Parts List - Arrangement 3T

Part

No.

Description

Sizes 

1

Shaft

2

Drive Side Bearing

3

Housing

4

Wheel

5

Inlet Cone

6

Extended Lube Line

7

Inlet Side Bearing

8

Motor Base

9

Motor

10

Motor Sheave

11

Belt Set

12

Fan Sheave

13

Removeable Cross Brace

PLC Parts List - Arrangement 3S

Part

No.

Description

Sizes 

1

Shaft

2

Drive Side Bearing

3

Housing

4

Wheel

5

Inlet Cone

6

Extended Lube Line

7

Inlet Side Bearing

8

Motor Mounting Pedestal

9

Motor Slide Base

10

Motor

11

Motor Sheave

12

Belt Set

13

Fan Sheave

Summary of Contents for PLC

Page 1: ... units of the PLC Centrifugal Plenum Fans Carefully read this publication prior to any installation or maintenance procedure Carefully read this publication and any supplemental documents prior to any installation or maintenance procedure Loren Cook Company s PLC catalog provides additional information describing the equipment fan performance available accessories and specification data For additi...

Page 2: ...mmon rigid base running the full length of the fan and motor The base must have sufficient rigidity to resist belt pull and prevent drive distortion which can lead to excessive belt and bearing wear Isolators should be located between this rigid base and the floor NOTICE Although a certain amount of vibration is inherent in operating centrifugal fans extreme vibra tion is a serious problem that ma...

Page 3: ...No 6 thread forming screw To reverse interchange T 1 and T 4 Single Speed Single Phase Motor When ground required attach to ground A or B with No 6 thread forming screw To reverse interchange T 1 and T 4 leads 2 Speed 2 Winding Single Phase Motor Single Speed Single Phase Dual Voltage 2 Speed 2 Winding 3 Phase When ground required attach to ground A or B with No 6 thread forming screw To reverse i...

Page 4: ...TER DISTANCE CD GAP GAP NOTICE Follow the wiring diagram in the disconnect switch and the wiring diagram provided with the motor Correctly label the circuit on the main power box and always identify a closed switch to promote safety i e red tape over a closed switch Wheel Rotation Test the fan to ensure the rotation of the wheel is the same as indicated by the arrow marked Rotation 115 and 230 Sin...

Page 5: ...he cause of the trouble See Trouble shooting Inspection Inspection of the fan should be conducted at the first 30 minute 8 hour and 24 hour intervals of satisfactory opera tion During the inspections stop the fan and inspect as per the Conditions Chart 30 Minute Interval Inspect bolts setscrews and motor mounting bolts Adjust and tighten as necessary 8 Hour Interval Inspect belt alignment and tens...

Page 6: ... Size Up to and including 184T 213T 365T 404T and larger 1800 RPM and less Over 1800 RPM 1800 RPM and less Over 1800 RPM 1800 RPM and less Over 1800 RPM Standard 3 yrs 6 months 2 yrs 6 months 1 yr 3 months Severe 1 yr 3 months 1 yr 3 months 6 months 1 months Bearing Replacement The fan bearings are pillow block ball bearings Bearings should be replaced individually for each side of fan An emery cl...

Page 7: ...cation or replacement Fan surge or incorrect inlet or outlet conditions Overheated Motor Motor improperly wired Incorrect direction of rotation Make sure the fan rotates in same direc tion as the arrows on the motor or belt drive assembly Cooling air diverted or blocked Improper inlet clearance Incorrect fan RPMs Incorrect voltage Overheated Bearings Improper bearing lubrication Excessive belt ten...

Page 8: ... serial numbers of your fan Upon receipt by Loren Cook Company of your written complaint you will be notified within thirty 30 days of our receipt of your complaint in writing as to the manner in which your claim will be handled If you are entitled to warranty relief a warranty adjustment will be completed within sixty 60 business days of the receipt of your written complaint by Loren Cook Company...

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