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Propeller Wall Fans - Loren Cook Company

1. air j Air Flow XN Flow Gf b wl cf lt Description Part XPD SPD XPHD 1 Motor 2 Wire Guard Power Assembly 3 Wall Base 4 Venturi 5 Stamped Aluminum Propeller 6 Fan Box Panels 7 End Wire Guard 8 Motor Plate 9 Mounting Collar Angles 4 10 Anchor Angles 2 11 Shutter Assembly Note Since 2012 the venturi and base are one piece XLW XMW XLP XLPH XMP XMPH Exhaust D PN Exhaust 2 Prop Z bu 3 Venturi G ey 4 Shaft L QO 5 Bearings 2 Nar 6 Motor T Motor Plate 8 Driven Sheave 9 Drive Sheave 10 Belt Mounting Collar Angles 4 12 Anchor Angles 2 MA 13 End Wire Guard Rotation 14 Shutters XLWH XMWH Note Since 2012 the Exhaust venturi and base are one piece Part Description Part Description 1 Power Assembly Rail 8 Motor 2 Base 9 Motor Plate 3 Prop 10 Drive Sheave 4 Power Assembly Feet 3 11 Driven Sheave 5 Shaft 12 Belt 6 Bearings 2 13 End Wire Guard 7 Venturi Note Since 2012 the venturi
2. Air Flow Rotation 4 Part Description Part Description 1 Motor 5 Stamped Aluminum Propeller 2 Wire Guard Wall Collar 3 Wall Base 7 End Wire Guard 4 Venturi Note Since 2012 the venturi and base are one piece Size 12 18 XWHD Exhaust Rotation Exhaust Suppl Supply Rotation Part Description 1 Motor 2 Power Assembly 3 Wall Base 4 Venturi Stamped 5 Aluminum Propeller 6 End Wire Guard 7 Motor Plate Note Since 2012 the venturi and base are one piece Size 20 24 Exhaust n XPD amp SPD Exhaust E Air Flow XPHD Exhaust Size 12 18 Air KR ar q Flow Flow dum r ot S 4 Supply Size 12 18 Size 20 24 EN Co 1 y
3. Exhuast Air Flow Supply Air Flow Supply Rotation EPD Exhaust EPB Exhaust 44 T Supply 14 13 1 3 13 1 3 Air 19 Air 16 Flow 5 Flow 7 gt mE L 9 8 WALL 11 E 0 11 10 1 Gf 7 5 4 5 4 Part Description Description V Power Assembly 10 Driver Sheave 2 Prop 11 Belt 3 Base 12 Driven Sheave 4 Venturi 13 Fan Box Panels Mounting Collar 5 Motor 14 Angles 4 Motor plate 15 Anchor Angles 2 7 End Wire Guard 16 Shutters 8 Bearing Note Since 2012 the Se venturi and base are one piece 12 Weather Hood Size 36 to 60 8 8 Part Description Description 1 Top Panel Piece 1 6 Bird Screen Support 2 Top Panel Piece2 7 1 2 Mesh Galvanized Bird Screen 3 Right Side Panel 8 1 4 X 1 2 Speed Screw 4 Left Side Panel 9 5 16 SAE Steel Washer 5 Bottom Panel 13 Weather Hood Size 8 to 30 4 78 s Part Description Description 1 Top Panel 1 2 Mesh Galvanized Bird Screen 2 Right Side Panel 1 4 X 1 2 Speed Screw 3 Left Side Panel 5 16 SAE Steel Washer 4 Bottom Panel Weather Hood EWB 72
4. Part Description Part Description 1 Top Panel Piece 1 7 Bottom Panel 2 Top Panel Piece 2 8 Bird Screen Support 3 Right Side Panel Tip 9 1 2 Mesh Galvanized Bird Screen 4 Right Side Panel 10 1 4 X 1 2 Speed Screw 5 Left Side Panel Tip 11 5 16 SAE Steel Washer 6 Left Side Panel 14 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
5. 30 to 120 1 month Over 3000 120 to 200 2 weeks Any Speed lt 30 Consult Factory Any Speed gt 200 1 week For moist or otherwise contaminated installations divide the interval by a factor of 3 For vertical shaft installations divide the interval by a factor of 2 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 Propeller Wall fans with motors up to and including 5HP are equipped with variable pitch pulleys To change the fan speed perform the following a Loosen setscrew on driver motor pulley and remove key if equipped b 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 c 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 Maximum RPM EWB Maximum AWB Maximum APB Maximum Size RPM Size RPM Size RPM 24 1675 24 1510 24 100
6. APB XMWH XLPH EPB B APD A E B Belt WO SPD XMP EPD Direct 8 i 18 16 12 39 1 13 1 4 XMPH e 8 I _ 10 5 8 13 5 8 13 174 42 22 18 3 4 14 3 8 13 1 17 1 4 10 12 14 5 8 17 5 8 17 1 4 14 26 21 3 4 15 3 8 13 1 21 1 4 14 16 18 5 8 20 21 1 4 18 20 20 22 5 8 22 34 1 4 25 1 4 2 30 24 1 2 17 5 8 13 1 25 1 4 24 24 27 7 8 23 34 1 4 31 1 4 20 30 24 1 2 17 5 8 21 1 25 1 4 30 30 24 33 7 8 24 3 8 37 78 37 14 m a0 24 9 araa 43 3302 3124 36 36 30 39 7 8 28 3 8 39 3 8 43 1 4 24 34 27 14 18 3 4 21 1 1 2 31 1 4 42 42 36 45 7 8 33 5 8 40 5 8 49 1 4 30 30 24 40 31 1 2 18 3 4 21 1 1 2 37 1 4 48 48 42 51 7 8 39 5 8 50 5 8 55 5 16 36 36 30 46 35 3 4 19 1 2 21 1 1 2 43 1 4 ca 42 42 36 52 40 19 1 2 26 1 1 2 49 1 4 60 54 63 7 8 44 3 4 7 3 4 67 172 48 48 42 58 44 1 4 19 3 4 26 1 1 2 55 5 16 60 69 7 8 S 47 3 4 73 12 54 48 64 48 1 2 19 3 4 28 1 1 2 61 5 16 72 81 7 8 50 3 4 85 1 2 60 54 70 52 3 4 19 3 4 28 1 1 2 67 1 2 60 76 57 19 34 28 1 1 2 73 1 2 gt 72 88 67 1 2 19 3 4 31 1 1 2 85 1 2 Parts List XWD amp SWD Exhaust Air Flow
7. and base are one piece AWD Exhaust 1 2 4 gt Rotation Supp 1 2 Part Description 1 Power Assembly Se 2 3 Base x 4 Venturi con Air Flow Rotation 5 Mac AWB 6 Motor Plate Exhaust 7 Wire Guard 1 P 8 Shaft B 9 Bearings 10 Driver Sheave L 11 Belt ASE 12 Driven Sheave GJ Note Since 2012 the venturi and base are Rotation one piece Supply AirFlow 4 lt 11 APD Exhaust 1 2 Suppl UG Rotation APB Exhaust Part Description Description 1 Power Assembly 10 Shutters 2 Prop 11 Driven Sheave 3 Base 12 Driver Sheave 4 Venturi 13 Belt 5 Motor 14 Shaft 6 Motor Plate 15 Bearings 7 Wire Guard 8 Mounting Collar Angles 4 9 Anchor Angles 2 Note Since 2012 the venturi and base are one piece EWD Exhaust Rotation Exhuast Air Flow Supply Air Flow lt Supply Rotation EWB Exhaust Rotation
8. condition with no rounded corners The key should be fully engaged in the setscrew and held squarely to prevent the rounding out of the setscrew socket when applying maximum torque 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 propeller alignment Excessive Vibration and Noise Damaged or unbalanced propeller 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 Typical Installations Dimensions are in inches Exhaust fan with OSHA wire guard amp shutter Illustrated is the typical installation of an exhaust wall fan with an OSHA wire guard and shutter in a steel structure with corrugated siding The installer will provide a sleeve of s
9. rpm units use a prelubricated sleeve bearing that has a oil saturated wicking material surrounding it The initial factory lubrication is adequate 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 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 applications 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 table below Relubrication Intervals NEMA Frame Size o Up to and 8 5 including 184T 213T 365T 404T and larger 25 a5 Over ics Over GC Over o End 1800 1800 ELS 1800 RPM RPM RPM less less less g S 6 6 3 S 3yrs months Y 9 months TR months n 9 1 yr 1 yr s e months yr months months months Motors are provided with a polyurea mineral oil NGLI 2
10. 0 Ensure the power supply voltage frequency and current carrying capacity of wires is in accordance with the motor nameplate Follow the wiring diagram in the disconnect switch and the wiring diagram provided with the motor Leave enough slack in the wiring to allow for motor movement 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 Wall Fans 1 Extend wires to the fan 2 Prevent excess wire from entering the shaft and propeller area by restraining the excess wire to a point outside the base Wall Fans with Wire Guard 1 Remove end panel from the wire guard to gain access to the motor 2 Extend wires through a side panel of the wire guard to gain access to the motor 3 Prevent excess wire from entering the shaft and propeller area by restraining the excess wire to a point outside the base Wall Fans with Wall Housing 1 Remove end guard from the wall housing 2 hole through either side panel at a convenient location and pull the wires through Do not pull wires through wire guard at the back panel 3 Restrain the incoming wire at the side panel to prevent excess wire from entering the shaft and propeller area Single Speed Single Phase Motor Ground A Ground B 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 Win
11. 5 30 1370 30 1145 30 800 36 1310 36 990 36 645 42 1175 42 905 42 660 48 1215 48 900 48 605 54 960 60 890 72 700 Xn Maximum d Maximum Size REM Size RPM 20 1280 24 1012 24 1100 30 666 30 1074 36 566 36 895 42 424 42 870 48 356 48 761 54 316 54 472 60 260 60 446 Se Maximum Size RPM Size RPM 20 1280 24 1276 24 1385 30 830 30 1175 36 680 36 948 42 498 42 829 48 414 48 726 54 346 54 522 60 318 60 530 nd Maximum Ku Maximum Size Size REM 20 1276 24 1018 24 1126 30 674 30 1074 36 570 36 895 42 422 42 870 48 356 48 761 54 320 54 478 60 256 60 438 URS Maximum iR Maximum Size REM Size REM 20 1462 z 24 1272 24 1385 30 860 30 1175 36 672 36 948 42 498 42 829 48 416 48 726 54 350 54 522 60 320 60 530 Pulley and Belt Replacement 1 2 3 Clean the motor and fan shafts Loosen the motor plate mounting bolts to relieve the belt tension Remove the belt Loosen the pulley setscrews and remove the pulleys from the shaft NOTICE 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 replacement if it is more than 0 020 inch out of true Clean the bores of the pulleys and place a light coat of oil on th
12. D COOK Propeller Wall Fans Installalation Operation And Maintenance Manual This installation manual provides information for installing and configuring the Loren Cook Company Propeller Wall Fans XWD APD XWHD APB XPD EWD XPHD EWB e XLW XMW EPD XLWH XMWH EPB XLP XLPH SWD XMP XMPH SPB AWD SPD e AWB Exhaust amp supply models XLWH shown AWARNING Rotating Parts amp Electrical Shock Hazard Disconnect electric power before working on unit 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 off in case of an emergency and in order that maintenance personnel are provided complete control of the power source Grounding is required All field installed wiring must be completed by qualified personnel All field installed wiring must comply with National Electric Code NFPA 70 and all applicable local codes Failure to follow these instructions could result in death or serious injury Carefully read this publication and any supplemental documents prior to any installation or maintenance procedure Loren Cook Company s Propeller Wall catalog provides additional information describing the equipment fan performance available accessories and specification data For information and instructions on special equipm
13. aminated air airborne abrasives should be inspected every three months Clean the propeller and air inlets if material build up is excessive Excessive build up can cause imbalance and failure of the propeller Regular inspections are recommended for fans exhausting non contaminated air It is recommended the following inspections be conducted twice per year Inspect bolts and setscrews for tightness Tighten as necessary Inspect belt wear and alignment Replace worn belts with new belts and adjust alignment as needed See Belt and Pulley Installation on page 2 Bearings should be inspected as recommended in the Conditions Chart below Inspect for cleanliness Clean exterior surfaces only Removing dust and grease on motor housing assures proper motor cooling Lubricants Loren Cook Company uses petroleum lubricant in a lithium base conforming to NLGI grade 2 consistency Other grades of grease should not be used unless the bearings and lines have been flushed clean If another grade of grease is used it should be lithium based A NLGI grade 2 grease is a light viscosity low torque rust inhibiting lubricant that is water resistant Its temperature range is from 30 F to 200 F and capable of intermittent highs of 250 F Motor Bearings Motors are provided with prelubricated bearings Any lubrication instructions shown on the motor nameplate supersede instructions below Direct Drive 1050 1075 1200 1300 amp 1500
14. and larger and extremely heavy motors cast iron or severe duty are shipped loose and must be field mounted by bolting the motor on the motor mounting plate in the existing slots The motor should be mounted in order that the motor plate is between the fan shaft and the motor shaft 1 Remove the motor plate mounting bolts and motor plate 2 Remove the motor mounting bolts from the motor plate 3 Mount the motor to the motor plate aligning the appropriate holes 4 Place the motor plate on the power assembly and reinstall the mounting bolts Belt and Pulley Installation Belt tension is determined by the sound of the belts when the fan is first started 14 The belts will produce a loud if squeal which dissipates after the fan is operating at full capacity If belt tension is too tight or too loose lost efficiency and damage can occur Do not change the pulley pitch diameter to change tension The change will result in a different 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 deflection of approximately 1 4 per foot of center distance should be obtained by firmly pressing the belt See drawing to the right 3 Lock the motor plate adjustment nuts in p
15. ding Single Phase Motor Ground B When ground 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 A Ground B When ground required attach to ground A or B with No 6 thread forming screw To reverse interchange L4 Lo Line T 5 and J 10 leads Low Speed Ground Typical Damper Motor Schematic OO L3 Fan uo L2 Motor 5 so L1 NI Ld NI Hd Transformer Transformer 2 14 1 Damper pud 1 Damper Motor Motor For 3 phase damper motor voltage should be the same between L1 and L2 For single phase application disregard L3 Damper motors may be available in 115 230 and 460 volt models The damper motor nameplate voltage should be verified prior to connection A transformer may be provided in some installations to correct the damper motor voltage to the specified voltage 3 Phase 9 Lead Motor Y Connection 3 Phase 9 Lead Motor Y Connection Low Voltage High Voltage 208 230 Volts 460 Volts o o o 456 456 789 1929 3 TAA L4 L2 L3 Ly L2 L3 To reverse interchange any 2 line leads 3 Phase 9 Lead Motor Delta Connection 3 Phase 9 Lead Motor Delta Connection Low Voltage High Voltage 208 230 Volts 460 Volts IH E B 4 5 Es ig La Mo L4 L2 L3 To revers
16. e interchange any 2 line leads 2 Speed 1 Winding 3 Phase Motor Motor High Speed 1 2 Jj Together 3 4 o 5 o L2 Line 6 9 L3 Low Speed Motor 2 o L2 Line 4 o 5 o Open 6 o To reverse interchange any 2 line leads Motors require magnetic control 2 Speed 2 Winding 3 Phase Motor Ta Speed T2 Low Speed T4 Low Speed T44 High Speed 12 High Speed High Speed ae L4 Lo Line L3 To reverse High Speed interchange leads T11 and T12 Low Speed interchange leads T1 and T2 Both Speeds interchange any 2 line leads Shutters If your fan is supplied with a shutter follow the direction below If your fan is not supplied with a shutter proceed to Final Installation Steps To ensure long life make a weather proof seal by using a good quality silicon caulking under the shutter flange 1 M Place the shutter into the wall opening Mount the shutter to the supporting surface using Number 12 sheet metal screws on six inch centers around the perimeter 3 Manually operate the shutter to ensure the blades move freely Typical Installation Refer to page 8 Final Installation Steps 1 Inspect fasteners and setscrews particularly fan mounting and bearing fasteners and tighten according to the recommended torque shown in the table on page 4 Recommended Torque for Setscrews Bolts Inspect for correct volta
17. e bores Remove grease rust and burrs from the shaft 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 respective shafts After the pulleys have been correctly placed back onto their shafts tighten the pulley setscrews Install the belts on the pulleys Align and adjust the belts to the proper tension as described in Belt and Pulley Installation page 2 Bearing Replacement The fan bearings are pillow block ball bearings 1 Mark the position of the shaft in reference to both the bearing races and the propeller and pulley Make a note of the clearance between the propeller and the frame Remove the pulley Remove the propeller from the shaft A two jaw puller may be needed to remove the propeller from the shaft Remove the bearing hold down bolts Remove the shaft and the bearings as one unit Remove the anti corrosion coating from the shaft with a suitable degreaser Remove the bearing from the shaft using a bearing puller If a bearing puller is not available remove the bearing by using a wood block and hammer An emery cloth or file may be needed to remove imperfections in the shaft left by the setscrews Clean the shaft and bearing bore thoroughly Place the bearings into position ensuring they are not on a worn section of the shaft Tapping the inner ring face with a soft driver may be required Do not
18. ent contact Loren Cook Company For additional safety information refer to AMCA publication 410 96 Safety Practices for Users and Installers of Industrial and Commercial Fans This document and all Cook publications may be obtained from Cook by phoning 417 869 6474 extension 166 by FAX at 417 832 9431 or by e mail at info LorenCook com All Cook publications are available on LorenCook com Receiving and Inspection Carefully inspect the unit and accessories for any damage and shortage immediately upon receipt of the unit Turn the propeller by hand to ensure it turns freely and does not bind Record on the Delivery Receipt any visible sign of damage Handling Lift propeller wall fans by attachment to the power assembly or by the shipping carton Never lift by the shaft motor or housing Storage If the fan is stored for any length of time prior to installation coat the shaft with grease or a rust preventative compound Store it in its original shipping crate and protect it from dust debris and the weather Rotate the wheel several revolutions every three to five days to keep a coating of grease on all internal bearing parts Installation Fans mounted to a wall require a different wall opening size than fans mounted in wall collars or wall housings For specific dimensions refer to the submittal drawing for the specific fan type Motor Installation To prevent damage to the fan during shipping motors 5 HP
19. for a continuous squealing noise Improper motor amperage or voltage NOTICE If a problem is discovered immediately shut off the fan Lock out all electrical power and check for the cause of the trouble Refer to Troubleshooting Recommended Torque for Setscrews Bolts In Lb Setscrews Hold Down Bolts Recommended Recommended Size Sa Torque Torque Flats Min Max Size Rer 10 3 32 28 33 3 8 16 240 1 4 1 8 66 80 1 2 13 600 5 16 5 32 126 156 5 8 11 1200 3 8 3 16 228 275 3 4 10 2100 7 16 7 32 348 384 7 8 9 2040 1 2 1 4 504 600 1 8 3000 5 8 5 16 1104 1200 1 1 8 7 4200 3 4 3 8 1440 1800 1 1 4 7 6000 Inspection Inspection of the fan should be conducted at the first 30 minute 8 hour and 24 hour intervals of satisfactory operation During the inspections stop the fan and inspect as per directions 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 first month of operation Fans exhausting cont
20. ge with voltmeter Ensure all accessories are installed Test the fan to be sure the rotation is the same as indicated by the arrow marked Rotation PON A CAUTION Proper Rotation Do not allow the fan to run in the wrong direction This will overheat the motor and cause serious damage For 3 phase motors if the fan is running in the wrong direction check the control switch It is possible to interchange two leads at this location so that the fan is operating in the correct direction Operation Pre Start Checks 1 Lock out all the primary and secondary power Sources 2 nspectfasteners and setscrews particularly those used for mounting the unit and tighten if necessary 3 Inspect belt tension and pulley alignment Remember if belt tension is correct a loud squeal occurs as the fan increases to full power 4 Inspect motor wiring 5 Ensure the belt touches only the pulleys 6 Rotate the prop to ensure it does not rub against the venturi 7 Ensure fan and ductwork are clean and free of debris 8 Test the fan to ensure the rotation of the propeller is the same as indicated by the rotation label 9 Close and secure all access doors 10 Restore power to unit 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
21. grease All additions to the motor bearings are to be with a compatable grease such as Exxon Mobil Polyrex EM and Chevron SRI The above intervals should be reduced to half for vertical shaft installations Fan Bearings The fan bearings are provided prelubricated Any specialized lubrication instructions on fan labels supersedes information provided herein Bearing grease is a petroleum lubricant in a lithium base conforming to a NLGI 2 consistency If user desires to utilize another type of lubricant they take responsibility for flushing bearings and lines and maintaining a lubricant that is compatible with the installation A NLGI 2 grease is a light viscosity low torque rust inhibiting lubricant that is water resistant Its temperature range is from 30 F to 200 F and capable of intermittent highs of 250 F Bearings should be relubricated in accordance with the condition chart below 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 Conditions Chart RPM Temp F Greasing Interval 30 to 120 6 months Up to 1000 120 to 200 2 months 1000 to 30 to 120 3 months 3000 120 to 200 1 month
22. hammer on the housing 9 The outer ring of the bearing is spherical and swivels in the housing to compensate for misalignment Slightly tighten the hold down bolts 10 Align the setscrews on the bearings and tighten one setscrew on each bearing 11 Rotate the shaft to allow the bearing outer rings to find the center of free movement 12 Install the propeller on the shaft and adjust the bearing position to center the propeller in the opening 13 Tighten the hold down bolts to the proper torque Refer to the Torque Chart page 4 14 Turn the shaft by hand Resistance should be the same as it was before the hold down bolts were fully tightened 15 Tighten the bearing setscrews to the specified torque 16 Install the pulley and adjust the belt tension 17 After 24 hours of continuous operation tighten the setscrews to the appropriate torque This assures the full locking of the inner race to the shaft Ensure the socket key or driver is in good condition with no rounded corners The key should be fully engaged in the setscrew and held squarely to prevent the rounding out of the setscrew socket when applying maximum torque 18 Tighten the bearing setscrews to the specified torque 19 Install the pulley and adjust the belt tension 20 After 24 hours of continuous operation tighten the setscrews to the appropriate torque This assures the full locking of the inner race to the shaft Ensure the socket key or driver is in good
23. 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 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 during 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 15 LOREN COMPANY Corporate Offices 2015 E Dale Street Springfield MO 65803 Phone 417 869 6474 Fax 417 862 3820 lorencook com 16 Propeller Wal IOM Manual Oct 2012
24. lace 4 Ensure pulleys are properly Figure 3 aligned See next section Tolerance Pulley Alignment Center Distance uo Pulley alignment is adjusted Up thru 17 116 by loosening the motor pulley 12 ep thro REDE NUT OFFSET ANGULAR OFFSET ANGULAR ET 4 CENTER DISTANCE CD del L L Z B La DAP GAP setscrew and by moving the motor pulley on the motor shaft The drawing below indicates where to measure the allowable gap for the drive alignment tolerance All contact points indicated by WXYZ are to have a gap less than the tolerance shown in the table When the pulleys are not the same width the allowable gap must be adjusted by half of the difference in width Figure 3 illustrates using a carpenter s square to adjust the position of the motor pulley until the belt is parallel to the longer leg of the square Installation Insert the fan into the wall opening and secure with lag screws anchor bolts or other suitable fasteners Always mount belt drive wall fans in order that the motor base is below the fan shaft Wiring AWARNING Proper Electrical Safety Habits 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 All wiring should be in accordance with local ordinances and the National Electrical Code NFPA 7
25. taller hood provides suitable fasteners Hex bolts or Lag screws to support the fan It is recommended that 5 16 minimum bolts on 6 to 10 centers be used on the perimeter of the housing Mounting flange should be caulked to exterior of the wall Fans with motors in excess of 80 Ibs should be additionally supported by hanging rods or supports placed underneath the fan Illustrated is the typical installation of a supply wall fan in a masonry wall with a wall collar OSHA wire guard motorized supply shutter and weather hood The installer provides suitable fasteners to support the fan Fasteners should be placed on 6 to 10 centers on the perimeter of the wall collar Wall collar should be caulked to the exterior of the wall The weather hood should be securely fastened and sealed to the wall Fans with motors in excess of 80 Ibs should be additionally supported by Aa Tannas hanging rods or supports placed underneath the fan RE WO aa I A Y Y dis Y gt B awg XLW ot EWS E B D E wo XMW EWD XLP SWD
26. uitable material to support the fan at a correct distance from the shutter minimum distance is the A dimension B A A D Y Y p 1 1 2 A gt 1 1 2 Fan support and flashing by others Wo XLWH EWB AWD XMw res BLUE Std Wire SWD XMWH Fan Guard 8 11 13 12 34 10 1 12 4 2 13 1 4 ps 12 13 16 34 14 1 16 746 17 1 4 14 16 12 13 20 34 18 1 20 7 16 21 1 4 2 13 12 24 34 22 1 24 7116 25 1 4 20 13 21 24 34 22 1 24 7116 25 1 4 24 15 21 30 3 4 27 1 1 2 30 7 16 31 1 4 z 24 E 15 13 30 3 4 27 1 1 2 30 7 16 31 1 4 30 30 24 16 21 36 3 4 33 1 1 2 36 7 16 37 1 4 36 36 30 16 21 42 3 4 39 1 1 2 42 716 43 1 4 42 42 36 17 26 48 7 8 45 1 1 2 48 7 46 49 1 4 48 48 42 17 26 54 7 8 51 1 1 2 54 7 16 55 5 16 54 48 17 28 60 7 8 57 1 1 2 60 7 16 61 5 16 60 54 17 28 66 7 8 63 1 1 2 66 7 16 67 1 2 60 17 28 72 7 8 69 1 1 2 72 716 73 1 2 72 17 31 84 7 8 81 1 1 2 84 7 46 85 1 2 Exhaust package fan with shutter guard Supply fan with wall collar OSHA wire Illustrated is the typical installation of an exhaust PAC guard motorized supply shutter amp weather Fan in a masonry wall with a shutter guard The ins

Propeller Wall Fans - Loren Cook Company

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