Cook Lo-pro User manual

LO-PRO IO&M B51021-004

LO-PRO

Low Prole Centrifugal Exhaust Fans

INSTALLATION, OPERATION AND MAINTENANCE MANUAL

Receiving and Inspection

Carefully inspect the fan and accessories for any dam-age

and shortage immediately upon receipt of the fan.

• Turn the wheel by hand to ensure it turns freely and does

not bind

• Check dampers (if included) for free operation of all moving

parts

• Record on the Delivery Receipt any visible sign of damage

Handling

Lift the fan by the base.

NOTICE! Never lift by the shaft, motor or housing.

Storage

If the fan is stored for any length of time prior to installation,

completely ll the bearings with grease or moisture-inhibiting oil

(refer to Fan Bearings, page 3). Store the fan in its original crate

and protect it from dust, debris and weather.

• Cover the inlet, and outlet opening to prevent the

accumulation of dirt and moisture in the housing

• Periodically rotate the wheel to keep a coating of grease on

all internal bearing parts

• Periodically inspect the unit to prevent damaging conditions

Lo-Pro

Rotating Parts & Electrical Shock Hazard:

Fans should be installed and serviced by qualied personnel

only.

Disconnect electric power before working on unit (prior to re-

moval of guards or entry into access doors).

Follow proper lockout/tagout procedures to ensure the unit

cannot be energized while being installed or serviced.

A disconnect switch should be placed near the fan in order

that the power can be swiftly cut o󰀨, in case of an emergency

and in order that maintenance personnel are provided com-

plete control of the power source.

Grounding is required. All eld-installed wiring must be com-

pleted by qualied personnel. All eld installed wiring must

comply with National Electric Code (NFPA 70) and all appli-

cable local codes.

Fans and blowers create pressure at the discharge and vac-

uum at the inlet. This may cause objects to get pulled into the

unit and objects 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 windmilling. Wind-

milling will cause hazardous conditions due to unexpected ro-

tation of components. Impellers should be blocked in position

or air passages blocked to prevent draft when working on fans.

Friction and power loss inside rotating components will cause

them to be a potential burn hazard. All components should be

approached with caution and/or allowed to cool before con-

tacting them for maintenance.

Under certain lighting conditions, rotating components may

appear stationary. Components should be veried to be sta-

tionary in a safe manner, before they come into contact with

personnel, tools or clothing.

Failure to follow these instructions could result in death or se-

rious injury.

The attachment of roof mounted fans to the roof curb as well

as the attachment of roof curbs to the building structure must

exceed the structural requirements based on the environmen-

tal loading derived from the applicable building code for the

site. The local code o󰀩cial may require variations from the

recognized code based on local data. The licensed engineer

of record will be responsible for prescribing the correct attach-

ment based on construction materials, code requirements and

environmental e󰀨ects specic to the installation.

This publication contains the installation, operation and

maintenance instructions for standard units of the Lo-Pro:

Low Prole Centrifugal Exhaust Fans (LPD & LPB).

Carefully read this publication and any

supplemental documents prior to any

installation or maintenance procedure.

Loren Cook catalog, Lo-Pro, provides additional information

describing the equipment, fan performance, available acces-

sories and specication data.

For additional safety information, refer to AMCA Publication

410-96, Safety Practices for Users and Installers of Industrial

and Commercial Fans.

All of the publications listed above can be obtained from:

• lorencook.com

• [email protected]

• 417-869-6474 ext. 166

For information and instructions on special equipment, con-

tact Loren Cook Company at 417-869-6474.

LO-PRO IO&M B51021-004

Installation

To prevent damage to the fan during shipping, motors 5 HP

and larger, and extremely heavy motors (cast iron or severe

duty) are shipped loose and must be eld mounted by bolting

the motor on the motor mounting plate in the existing mount-

ing slots.

Damper Installation

If your fan is supplied with dampers, follow the directions

below. If your fan does not include dampers, proceed to Belt

and Pulley Installation.

1. Place the damper inside the curb or inside the duct work.

Ensure the damper will open freely for the correct direc-

tion of the airow.

2. Secure to curb at the damper shelf.

3. Drill hole in the curb shelf for conduit needed for motor

wiring.

4. Operate the dampers manually to ensure the blades move

freely.

5. Install ventilator over curb.

Wall Installation

1. Position unit so that hinge on topcap is facing down.

Belt and Pulley Installation

Belt tension is determined by the sound of the belts when

the fan is rst started. The belts will produce a loud squeal,

which dissipates after the fan is operating at full capacity. If

belt tension is too tight or too loose, lost e󰀩ciency and dam-

age can occur.

Do not change the pulley pitch diameter to change tension.

The change will result in a di󰀨erent fan speed.

1. Loosen the motor plate adjustment nuts on motor base

and move motor plate in order that the belts can easily slip

into the grooves on the pulleys. Never pry, roll, or force the

belts over the rim of the pulley.

2. Adjust the motor plate until proper tension is reached. For

proper tension, a deection of approximately 1/4” per foot

of center distance should be obtained by rmly pressing

the belt. Refer to Figure 1.

3. Lock the motor plate adjustment nuts in place.

4. Ensure pulleys are properly aligned. Refer to Figure 2.

Tolerance

Center

Distance

Max.

Gap

Up thru 12” 1/16”

12” up

through 48 1/8”

Over 48 1/4”

OFFSET ANGULAR OFFSET/ANGULAR

CENTER

DISTANCE

(CD)

GAP GAP

Pulley Alignment

Pulley alignment is adjusted by loos-

ening the motor pulley setscrew and by

moving the motor pulley on the motor

shaft.

Figure 2 indicates where to measure

the allowable gap for the drive

alignment tolerance. All contact points

(indicated by WXYZ) are to have a

cap less than the tolerance shown in

the table. When the pulleys are not the

same width, the allow-able gap must

be adjusted by half of the di󰀨erence

in width. Figure 3 illustrates using a carpenter’s square to

adjust the position of the motor pulley until the belt Figure 3 is

parallel to the longer leg of the square.

Wiring Installation

Leave enough slack in the wiring to allow for motor move-

ment when adjusting belt tension. Some fractional motors

have to be removed in order to make the connection with the

terminal box at the end of the motor.

Refer to Wiring Diagrams, page 6.

NOTICE! Follow the wiring diagram in the discon-

nect 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).

Optional Diverter

1. Position diverter so that air ow is directed up.

2. Seal between diverter ange and unit side panel with RTV

400 silicone. (RTV Silicone is NOT supplied.)

3. Use screws provided to secure diverter to unit.

Optional Grease Terminator Installation

1. Attach hardware to drain hole in the diverter. See Figure 4.

2. Screw new canister into lid.

Conduit Nipple

Diverter

Terminator Lid

Sealing Nut

Terminator

Roof Top Installation ShownRoof Top Installation Shown

Figure 4Figure 4

1 foot

1/4 inch

Figure 1

Figure 2

LO-PRO IO&M B51021-004

Final Installation Steps

1. Inspect fasteners and setscrews, particularly fan mount-

ing and bearing fasteners, and tighten according to the

recommended torque shown in the table below, Recom-

mended Torque for Setscrews/Bolts.

2. Inspect for correct amperage and voltage with an amme-

ter and voltmeter.

3. Ensure all accessories are installed.

4. Check wheel-to-inlet clearance on power roof fans.

5. Test the fan to be sure the rotation is the same as indicat-

ed by the arrow marked “Rotation.”

Fan Installation

Place fan over roof opening. Secure the fan with lag

screws, anchor bolts, or other suitable fasteners.

Operation

Pre-Start Checks

1. Lock out all the primary and secondary power sources.

2. Inspect fasteners and setscrews, particularly those used

for mounting the fan, and tighten if necessary.

3. Inspect belt tension and pulley alignment. (Remember, if

belt tension is correct, a loud squeal occurs as the fan in-

creases to full power.)

4. Inspect motor wiring.

5. Ensure the belt touches only the pulleys.

6. Ensure fan and ductwork are clean and free of debris.

7. Test the fan to ensure the rotation of the wheel is the same

as indicated by the rotation label.

8. Close and secure all access doors.

9. Restore power to unit.

Recommended Torque for Setscrews/Bolts (IN-LB)

Setscrews Hold Down Bolts

Size

Key Hex

Across

Flats

Recommended

Torque Size Recommended

Torque

Min. Max.

#8 5/64” 15 21 3/8”-16 324

#10 3/32” 27 33 1/2”-13 780

1/4 1/8“ 70 80 5/8 ”-11 1440

5/16 5/32” 140 160 3/4”-10 2400

3/8 3/16” 250 290 7/8”-9 1920

7/16 7/32” 355 405 1”-8 2700

1/2 1/4“ 560 640 1-1/8”-7 4200

5/8 5/16” 1120 1280 1-1/4”-7 6000

3/4 3/8” 1680 1920 - -

7/8 1/2” 4200 4800 - -

19/16” 5600 6400 - -

Start-Up

Turn the fan on. In variable speed units, set the fan to its

lowest speed. Inspect for the following:

• Direction of rotation

• Excessive vibration

• Unusual noise

• Bearing noise

• Improper belt alignment or tension (listen for a continuous

squealing noise)

• Improper motor amperage or voltage

If a problem is discovered, immediately shut o the

fan. Lock out all electrical power and check for the

cause of the trouble. Refer to Troubleshooting, page 7.

Inspection

Inspection of the fan should be conducted at the rst 30

minute, 8 hour and 24 hour intervals of satisfactory opera-

tion. During the inspections, stop the fan and inspect as per

the chart below.

30 Minute Interval

Inspect bolts, setscrews, and motor mounting bolts. Adjust

and tighten as necessary.

8 Hour Interval

Inspect belt alignment and tension. Adjust and tighten as

necessary.

24 Hour Interval

Inspect belt tension. Adjust and tighten as necessary.

Maintenance

Establish a schedule for inspecting all parts of the fan. The

frequency of inspection depends on the operating conditions

and location of the fan.

Inspect fans exhausting corrosive or contaminated air within

the rst month of operation. Fans exhausting contaminated air

(airborne abrasives) should be inspected every three months.

Clean the wheel and air inlets if mate-rial build-up is exces-

sive. Excessive build-up can cause imbalance and failure of

the wheel.

Regular inspections are recommended for fans exhausting

non-contaminated air.

Regular inspections of the Grease Terminator 2 are recom-

mended. Depending on the amount of grease dis-charged

through the fan, the Terminator 2 should be changed every 30

to 45 days to ensure proper operation. Any buildup of grease

is easily seen during a visual inspection of the clear canister.

However, if the Terminator 2 becomes saturated, grease will

no longer be absorbed.

It is recommended the following inspections be con-

ducted twice per year:

• Inspect bolts and setscrews for tightness. Tighten as

necessary. Refer to Torque chart

• Inspect belt wear and alignment. Replace worn belts with

new belts and adjust alignment as needed. Refer to Belt and

Pulley Installation, page 2

• Bearings should be inspected as recommended in the

Conditions Chart, page 4

• Inspect for cleanliness. Clean exterior surfaces only.

Removing dust and grease on motor housing assures

proper motor cooling

Fan Bearings

The fan bearings are provided prelubricated. Any special-

ized lubrication instructions on fan labels supersedes informa-

tion provided herein. Bearing grease is a petroleum lubricant

in a lithium base conforming to an NLGI #2 consistency. If

user desires to utilize another type of lubricant, they take re-

sponsibility for ushing bearings and lines, and maintaining a

lubricant that is compatible with the installation.

An NLGI #2 grease is a light viscosity, low-torque, rust-in-

hibiting lubricant that is water resistant. Its temperature range

is from -30°F to 200°F and capable of intermittent highs of

25 0°F.

Bearings should be relubricated in accordance with the con-

dition chart below.

LO-PRO IO&M B51021-004

For best results, lubricate the bearing while the fan is in

operation. Pump grease in slowly until a slight bead forms

around the bearing seals. Excessive grease can damage seal

and reduce life through excess contamination and/or loss of

lubricant.

In the event that the bearing cannot be seen, use no more

than three injections with a hand operated grease gun.

Motor Bearings

Motors are provided with prelubricated bearings. Any lubri-

cation instructions shown on the motor nameplate supersede

instructions below.

Conditions Chart

RPM Temp. °F Greasing Interval

Up to 1000 -30 to 120 3 months

120 to 200 1 month

1000 to 3000 -30 to 120 1-1/2 months

120 to 200 2 weeks

Over 3000 -30 to 120 2 weeks

120-200 1 week

Any Speed < -30 Consult Factory

Any Speed > 200 1/2 week

For moist or otherwise contaminated installations, divide the interval by a

factor of 3.

Direct Drive 1050/1075,1200,1300 &1500 rpm units use a

prelubricated sleeve bearing that has a oil saturated wicking

material surrounding it. The initial factory lubrication is ade-

quate for up to 10 years of operation under normal conditions.

However, it is advisable to add lubricant after 3 years. Use

only LIGHT grade mineral oil or SAE 10W oil up to 30 drops.

If the unit has been stored for a year or more it is advisable

to lubricate as directed above. For VCR direct drive units and

other units in severe conditions, lubrication intervals should be

reduced to half.

Motors without sleeve bearings (as described above) will

have grease lubricated ball or roller bearings. Motor bearings

without provisions for relubrication will operate up to 10 years

under normal conditions with no maintenance. In severe ap-

plications, high temperatures or excessive contaminates, it is

advisable to have the maintenance department disassemble

and lubricate the bearings after 3 years of operation to prevent

interruption of service.

For motors with provisions for relubrication, follow intervals

of the following table.

Relubrication Intervals

Service

Conditions

Nema Frame Size

Up to and

Including 184T 213T-365T 404T and Larger

1800

RPM &

Less

Over

1800

RPM

1800

RPM &

Less

Over

1800

RPM

1800

RPM &

Less

Over

1800

RPM

Standard 1-1/2 yrs. 3 months 1 yr. 3 months 6 months 1-1/2

months

Severe 6 months 1-1/2

months 6 months 1-1/2

months 3 months 2 weeks

Motors are provided with a polyurea mineral oil NGLI #2

grease. All additions to the motor bearings are to be with

a compatible grease such as Exxon Mobil Polyrex EM and

Chevron SRI.

Maximum RPM

LPB

Size

Maximum RPM

Standard Reinforced

100 3320 -

120 2755 -

135 2481 -

150 2051 -

165 1832 1971

180 1608 1754

195 1428 1758

210 1270 1507

225 1143 1319

LPB

Size

Maximum RPM

Standard Reinforced

245 1011 1335

270 871 115 4

300 835 1121

330 713 963

365 623 884

402 538 746

445 462 739

490 357 682

540 345 581

Motor Services

Should the motor prove defective within a one-year period,

contact your local Loren Cook representative or your nearest

authorized electric motor service representative.

Changing Shaft Speed

All belt driven H-Series fans with motors up to and including

5HP are equipped with variable pitch pulleys. To change the

fan speed, perform the following:

1. Loosen setscrew on driver (motor) pulley and remove key,

if equipped.

2. Turn the pulley rim to open or close the groove facing. If

the pulley has multiple grooves, all must be adjusted to

the same width.

3. After adjustment, inspect for proper belt tension.

Speed Reduction

Open the pulley in order that the belt rides deeper in the

groove (smaller pitch diameter).

Speed Increase

Close the pulley in order that the belt rides higher in the

groove (larger pitch diameter). Ensure that the RPM limits of

the fan and the horsepower limits of the motor are maintained.

Replacing Pulleys and Belts

1. Clean the motor and fan shafts.

2. Loosen the motor plate mounting bolts to relieve the belt

tension. Remove the belt.

3. Loosen the pulley setscrews and remove the pulleys from

the shaft.

If excessive force is required to remove the pulleys, a three-

jaw puller can be used. This tool, however, can easily warp a

pulley. If the puller is used, inspect the trueness of the pulley

after it is removed from the shaft. The pulley will need replace-

ment if it is more than 0.020 inch out of true.

4. Clean the bores of the pulleys and place a light coat of oil

on the bores.

5. Remove grease, rust and burrs from the shaft.

6. Place fan pulley on the fan shaft and the motor pulley on

the motor shaft. Damage to the pulleys can occur when

excessive force is used in placing the pulleys on their re-

spective shafts.

7. After the pulleys have been correctly placed back onto

their shafts, tighten the pulley setscrews.

8. Install the belts on the pulleys. Align and adjust the belts

to the proper tension as described in Belt and Pulley In-

stallation, page 2.

LO-PRO IO&M B51021-004

Replacing Grease Terminator

Set up a regular schedule for changing the Grease Termi-

nator. Depending on the amount of grease going through the

fan, the Grease Terminator should be changed every 30 to 45

days. To replace the Grease Terminator, simply unscrew the

used canister and screw on a new one.

Notice! If the Grease Terminator becomes completely

saturated, grease will no longer be absorbed and will run

through to the roof.

Bearing Replacement

The fan bearings are pillow block ball bearings.

1. Loosen screws on bearing cover.

2. Push bearing cover toward the wheel. As the bearing cov-

er moves toward the wheel, it will slide down to reveal the

bearings and shaft.

3. Remove the old bearing.

4. Remove any burrs from the shaft by sanding.

5. Slide new bearings onto the shaft to the desired location

and loosely mount bearings onto the bearing support.

Bearing bolts and setscrews should be loose enough to

allow shaft positioning.

6. Correctly position the wheel and tighten the bearing bolts

securely to the bearing support.

7. Align setscrews bearing to bearing and secure tightly to

the shaft.

Notice! Never tighten both pairs of setscrews before se-

curing bearing mounting bolts. This may damage the

shaft.

8. Inspect the wheel position again. If necessary, readjust

by loosening the bearing bolts and setscrews and re-

peat from step 5.

Wheel Replacement

1. Drill two holes approximately centered between the shaft

and the edge of the hub OD with the following dimensions:

• 1/4” diameter

• 3/8” to 1/2” deep

• 180° apart in face of hub

2. Tap 1/4” holes to 5/16” thread with the 5/16” hole tap. Do

not drill or tap any larger than recommended.

3. Screw the puller arms into the tapped holes full depth of

threads (3/8” to 1/2” approximately). Align center of pull-

er with center of shaft. Make certain all setscrews in hub

(normally a quantity of two) are fully removed. Work puller

slowly to back wheel o󰀨 the shaft.

Recommended Puller

Lisle No. 45000 Steering Wheel Puller. This puller is avail-

able at most automotive parts retail outlets.

Wheel Replacement Components

Above: Drilled Hole Location

Above: Wheel Puller

Wheel-to-Inlet Clearance

The correct wheel-to-inlet clearance is critical to proper fan

performance. This clearance should be veried before initial

start-up since rough handling during shipment could cause a

shift in fan components. Refer to wheel/inlet drawing for cor-

rect overlap.

Adjust the overlap by loosening the wheel hub and moving

the wheel along the shaft to obtain the correct value.

A uniform radial gap (space between the edge of the cone

and the edge of the inlet) is obtained by loosening the inlet

cone bolts and repositioning the inlet cone.

Wheel/Inlet Overlap

Size Overlap

100 - 165 3/16”

180 - 245 1/4”

270 - 300 5/16”

330 - 365 3/8”

402 7/16”

445 - 490 1/2”

540 13/16”

OVERLAP

RADIAL

CLEARANCE

WHEEL SHROUD

INLET

LO-PRO IO&M B51021-004

Wiring Diagrams

Single Speed, Single Phase Motor

T-

Ground B

Ground A

Line

When ground is required, attach to ground A or B with No. 6 thread forming

screw. To reverse, interchange T-1 and T-4.

2 Speed, 2 Winding, Single Phase Motor

Ground A

Ground B

T-1

T-

Low Speed

High Speed

Line

When ground is required, attach to ground A or B with No. 6 thread forming

screw. To reverse, interchange T-1 and T-4 leads.

Single Speed, Single Phase, Dual Voltage

Ground B

J-10

T-5

Ground A

Link A

Link B

Low Voltage

Line

Ground A

Link A & B

Line

Ground B

T-5

J-10

When ground is required, attach to ground A or B with No. 6 thread forming

screw. To reverse, interchange T-5 and J-10 leads.

Typical Damper Motor Schematic

Fan

Motor

Damper

Motor*

Second

Damper

Motor

ansformer** Transformer*

For 3 Phase, damper motor voltage should be the same between L1 and L2.

For single phase application, disregard L3. *Damper motors may be avail-

able in 115, 230 and 460 volt models. The damper motor nameplate voltage

should be veried prior to connection. **A transformer may be provided in

some installations to correct the damper motor voltage to the specied volt-

age.

3 Phase, 9 Lead Motor

456

L1L2L3

456

789

12 3

L1L2L3

Low Voltage

208/230 Volts

High Voltage

460 Volts

3 Phase, 9 Lead Motor

Y-Connection

6789

456

12 3

Low Voltage

208/230 V

olts

High V

oltage

460 Volts

L1L3

3 Phase, 9 Lead Motor

Delta-Connection

To reverse, interchange any two line leads.

2 Speed, 1 Winding, 3 Phase Motor

Motor

Together

High Speed

Line

Open

Low Speed

Line

Motor

To reverse, interchange any two line leads. Motors require magnetic

control.

2 Speed, 2 Winding, 3 Phase

Low Speed

High Speed

Motor

T12

T11

Line

To reverse: High Speed-interchange leads T11 and T12. Low Speed-inter-

change leads T1 and T2. Both Speeds-interchange any two line leads.

LO-PRO IO&M B51021-004

Troubleshooting

Problem and Potential Cause

Low Capacity or Pressure:

• Incorrect direction of rotation. Make sure the fan rotates

in same direction as the arrows on the motor or belt drive

assembly

• Poor fan inlet conditions. There should be a straight clear

duct at the inlet

• Improper wheel alignment

Excessive Vibration and Noise:

• Damaged or unbalanced wheel

• Belts too loose; worn or oily belts

• Speed too high

• Incorrect direction of rotation. Make sure the fan rotates

in same direction as the arrows on the motor or belt drive

assembly

• Bearings need lubrication or replacement

• Fan surge

Overheated Motor:

• Motor improperly wired

• Incorrect direction of rotation. Make sure the fan rotates

in same direction 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 tension

LO-PRO IO&M B51021-004

20 21

Part No. Description (100–540)

1Topc ap

2Belt Set

3 Bearing Support Channel

4Driven Sheave

5Bearings (2)

6Shaft

7 Topcap Hinge

8Hatch

9 Wheel Hub

10 Wheel

11 Upblast Diverters (Optional)

12 Outside Housing Panel

13 Inlet Side Inner Panel

14 Inlet

15 Base

16 Wrapper

17 Motor Access Panel

18 Motor Plate

19 Drive Side Inner Panel

20 Motor

21 Drive Sheave

LPD Parts List

Part No. Description (100–540)

1Topc ap

2Motor

3 Wheel Hub

4Wheel

5 Outside Housing Panel

6Upblast Diverters (Optional)

7 Inlet Side Inner Panel

8Inlet

9Base

10 Wrapper

LPD Parts List

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 modied

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 com-

pany manual. This warranty does not cover defects resulting from normal wear and tear. To make a warranty claim, notify Loren Cook Company, General O󰀩ces,

2015 East Dale Street, Springeld, Missouri 65803-4637, explaining in writing, in detail, your complaint and referring to the specic model and serial numbers of

your fan. Upon receipt by Loren Cook Company of your written complaint, you will be notied, 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 specically the right. You

may have other legal rights which vary from state to state. For fans provided with motors, the motor manufacturer warrants motors for a designated period stated

in the manufacturer’s warranty. Warranty periods vary from manufacturer to manufacturer. Should motors furnished by Loren Cook Company prove defective dur-

ing the designated period, they should be returned to the nearest authorized motor service station. Loren Cook Company will not be responsible for any removal

or installation costs.

September 2020

Corporate O󰀩ces: 2015 E. Dale St. Springeld, MO 65803

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

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