Loren Cook IMH Installation, Operation And Maintenance Manual Download Page 8

8

IMH IO&M

B51221-002

Arrangement 1 

Part 

No.

Sizes 70–290

Part 

No.

Sizes 70–290

1

Motor slide Base (optional)

9

Drive Side Bearing

2

Motor Sheave

10

Shaft Guard (optional)

3

Motor

11

Opposite Drive Side Bearing

4

Belt Set

12

Wheel

5

Fan Sheave

13

Inlet Side Panel

6

Housing

14

Spreader Bar (2)

7

Shaft

15

Bearing Pedestal

8

Belt Guard

16

Isolation Base (optional)

Arrangement 8 

Part 

No.

Sizes 70–290

Part 

No.

Sizes 70–290

1

Housing

7

Opposite Drive Side Bearing

2

Motor

8

Wheel

3

Optional Coupling Guard

9

Inlet Side Panel

4

Drive Side Bearing

10

Spreader Bar (2)

5

Shaft

11

Motor/Bearing Pedestal

6

Shaft Guard (optional)

Arrangement 9 

Part 

No.

Sizes 70–290

Part 

No.

Sizes 70–290

1

Motor Sheave

9

Shaft Guard (optional)

2

Motor Cover (optional)

10

Opposite Drive Side Bearing

3

Belt Set

11

Wheel

4

Fan Sheave

12

Inlet Side Panel

5

Housing

13

Spreader Bar (2)

6

Shaft

14

Bearing Pedestal

7

Belt Guard (optional)

15

Motor Slide Base

8

Drive Side Bearing

16

Motor

Arrangement 10 (available in SD only)

Part 

No.

Sizes 70–290

Part 

No.

Sizes 70–290

1

Motor Sheave

8

Opposite Drive Side Bearing

2

Belt Set

9

Wheel

3

Fan Sheave

10

Inlet Side Panel

4

Housing

11

Spreader Bar (2)

5

Shaft

12

Bearing Pedestal

6

Weather Cover/ Belt Guard

13

Motor Mount Assembly

7

Drive Side Bearing

14

Motor

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, misused, 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 ad

-

justment 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.

Corporate Offices:   2015 E. Dale St. Springfield, MO 65803

Phone 417-869-6474  |  Fax 417-862-3820  |  lorencook.com

April 2017

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

2

3

4

5 6

7

8

9

10

11

Arrangement 8

1

2

3

4

5

6

7

8

9 10

11

12

13

14

15

16

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Arrangement 10 

(Available in SD only)

 

Parts List

Summary of Contents for IMH

Page 1: ...ts to be propelled rapidly from the discharge The discharge should always be directed in a safe direction and inlets should not be left unguarded Any object pulled into the inlet will become a projectile capable of causing serious injury or death When air is allowed to move through a non powered fan the impeller can rotate which is referred to as windmill ing Windmilling will cause hazardous condi...

Page 2: ...ortion which can lead to excessive belt and bearing wear its perimeter should contain all base angles and ro tating parts Arrangement 10 fans above size 270 require isolation rails Please consult factory for isolation of ar rangement 9 fans due to the potential of uneven loading caused by the motor and drives Isolators should be lo cated between the fan system and the support structure NOTICE Alth...

Page 3: ... 16 5 16 7 16 190 3 16 5 16 3 8 1 2 210 5 16 7 16 7 16 9 16 230 5 16 7 16 7 16 9 16 260 5 16 7 16 1 2 5 8 290 5 16 7 16 5 8 3 4 Wiring Installation All wiring should be in accordance with local ordinanc es and the National Electrical Code NFPA 70 Ensure the power supply voltage frequency and current carrying ca pacity of wires is in accordance with the motor name plate Lock off all power sources b...

Page 4: ...f line reactors or filters if the lead length between the VFD and the motor exceeds 10 feet 3m Fan It is the responsibility of the installing body to perform coast down tests and identify any resonant frequencies after the equipment is fully installed These resonant fre quencies are to be removed from the operating range of the fan by using the skip frequency function in the VFD programming Failur...

Page 5: ...ecommended torque shown in the table Recommended Torque for Setscrews Bolts 2 Inspect for correct voltage with voltmeter 3 Ensure all accessories are installed Operation Pre Start Checks 1 Lock out all the primary and secondary power sources 2 Ensure fasteners and setscrews particularly those used for mounting the fan are tightened 3 Inspect belt tension and pulley alignment 4 Inspect belt tension...

Page 6: ...ssure should be avoided to prevent seal damage Exceptions to the greasing interval chart Periodic Applications any break of one week of more It is recommended that the full lubrication be performed prior to each break in operation Higher Temperature It is recommended to halve the intervals for every 30 F in crease in operating temperature above 120 F not to exceed 230 F for standard bearings High ...

Page 7: ...emove anti corrosion coating from the shaft with a suit able degreaser 8 Remove the bearing from the shaft using a bearing puller If a bearing puller is not available tap on the bearing with a wood block and hammer to remove it 9 Smooth and clean the shaft and bearing bore thoroughly 10 Place the bearings into position making sure they are not on a worn section of the shaft Tapping the inner ring ...

Page 8: ... 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 misused damaged or is in worn condition or if t...

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