Blower Assembly Service Guide
Contents
1. Refer to Figure 3 and the bearing discussion below for maintenance of the blower assembly BEARING LUBRICATION IMPORTANT READ THIS SECTION CAREFULLY All bearing units are pre lubricated with grease chosen for its chemical and mechanical stability and should be checked at least once a month Although operating conditions vary the optimum lubrication interval is established at every three months Conditions such as speed temperature and environment may indicate shorter or longer intervals FIGURE 1 FAN ROTATION DIRECTION Direction of Rotation 4 1 LUBRICATION PROCEDURE 1 Every 3 months turn unit off 2 Wipe the surface of the bearings and the grease fitting clean 3 While rotating the shaft by hand gently add grease to the bearing until a slight bead forms at the seal CAUTION DO NOT OVER GREASE Over greasing will damage seals and void warranty e For normal operating conditions lubrication requires a grease which conforms to NLGI No 2 penetration free from chemical impurities such as dust rust metal particles and abrasives Lubrication is usually accompanied by a slight rise in operating temperature of the bearing until the bearing chamber is stabilized with the proper amount of grease 4 2 BELT REPLACEMENT Replace the NU T LINK belt Size A 1 2 by following the instructions describing the illustration below Note the large end of belt links should be pointed in the direction of rotation FIGURE 2 INSTALL2. ATION INSTRUCTIONS FOR NU T LINK To unfasten turn stud heads 90 Insert tool and To fasten snap last link over stud heads and turn 2 Remove one in eleven links 1 Pull belt tight around sheaves seen fem e to check length Turn slowly counterclockwise FIGURE 3 BLOWER ASSEMBLY AND PARTS LIST m NE fa e e Item Description Quantity 1 Weldment Blower 1 2 Bearing 1 2 3 Label Rotation Arrow 1 4 wheel Aluminum 1 5 Cone Aluminum 1 6 Pop Rivets 10 7 Junction Box 1 8 Motor Mount 1 9 Motor 1 10 Belt NU T LINK 1 2 44 1 11 Sheave Motor 1 12 Bolt 5 16 x 1 Motor 4 13 Nut Motor 5 16 4 14 Washer Flat Motor 5 16 4 15 Bolt 3 8 x 1 1 4 8 16 Washer 3 8 8 17 Shaft 7 Key Assembly 1 18 Sheave Blower 1 19 Nut 3 8 8 20 Label Quality Assurance 1 5 0 WARRANTY INFORMATION PURAFIL warrants hardware equipment manufactured by PURAFIL to be free from defects in material and workmanship under normal use and service for twelve 12 months from startup date or eighteen 18 months from shipment date PURAFIL S obligation under this warranty shall be limited to replacing any parts thereof which shall be demonstrated to have been defective THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS PURAFIL MAKES NO WARRANTIES AS TO MERCHANTABILITY OR AS TO THE FITNESS
3. OF THE MERCHANDISE FOR ANY PARTICULAR USE AND SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE DIRECTLY OR INDIRECTLY ARISING FROM THE USE OF SUCH MERCHANDISE OR FOR CONSEQUENTIAL DAMAGES No person firm or corporation is authorized to assume for PURAFIL any other liability in connection with the sale of these goods Equipment parts and material manufactured by others and incorporated in PURAFIL equipment are warranted by PURAFIL ONLY TO THE EXTENT OF THE ORIGINAL MANUFACTURERS LIABILITY TO PURAFIL 6 0 TROUBLESHOOTING SYMPTOM PROBLEM CHECKS REMEDY Squeal sound coming from Belt is loose installed Follow instruction in Section blower section backwards 4 2 in this manual Motor seems to be running too slowly Electrical connections may be incorrect Have an electrician compare the connections with the instructions in Section 3 0 of this manual and modify accordingly Abnormal or excessive noise Lubrication may have been Review bearing lubrication coming from the bearing housing incorrectly done Belt loose instructions in Section 4 1 in this manual See Section 4 2 Bearing housing seems too warm Same as above Same as above Note In the event of any abnormal condition immediately check the electrical wiring and motor rotation direction 7 0 BEARING LUBRICATION RECORD Initial Start Up Date Projected Lubrication Date Date Lubrication Procedure Complet
4. ed Represented By Important Notice The information contained in this bulletin reflects the results of various testing and analytical procedures believed by PURAFIL INC a USA corporation to be useful indicators of the relative performance of air filtration systems and media It is intended for use by persons having appropriate scientific and technical knowledge and experience at their own risk This bulletin does not in any way constitute a representation warranty promise or guarantee by PURAFIL INC of the installed performance of PURAFIL media
5. equipment weights to be sure that the rigging equipment can handle them safely Be sure that the unit is balanced well in the transporting device Never pressurize the equipment in excess of specified test pressure Always conduct a thorough check when the installation is complete Never enter an enclosed blower cabinet or reach into a unit while fan is running The motors in PURAFIL equipment get very hot This is normal and should not be regarded as a problem with the motor However take special care to avoid touching the hot areas 1 2 STORAGE If the motor starter is purchased with the unit optional and it is to be stored with the unit be sure to read instructions enclosed in the starter kit to prevent problems due to storage 2 0 ELECTRICAL CONNECTIONS To allow maximum flexibility in installation of the unit no internal electrical connections or external electrical openings have been made A qualified electrician should connect wiring from the motor to the starter and to the supply panel All wiring and controls should comply with current NEC and local codes The standard unit does not have motor starter controls Should the starter be purchased separately the motor starter should be sized to provide proper overload protection 3 0 METHOD OF INTERNAL CONNECTIONS The motor should be wired to the power supply according to the motor manufacturers instructions The instructions are included with the motor 4 0 BLOWER UNIT
6. www purafil com FIRST IN CLEAN AIR PU Kal d SERVICE BLOWER ASSEMBLY INSTALLATION OPERATION amp MAINTENANCE INSTRUCTIONS 222 6367 QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV Purafil 2012 SrvcGde Service Guide BLOWER 1 Purafil Inc 2654 Weaver Way Doraville Georgia 30340 U S A www purafil com tel 770 662 8545 800 TABLE OF CONTENTS 1 0 PRE INSTALLATION INSTRUCTIONS 1 1 SAFETY CONSIDERATIONS 1 2 STORAGE 2 0 ELECTRICAL CONNECTIONS 3 0 METHOD OF INTERNAL CONNECTIONS 4 0 BLOWER UNIT 4 1 LUBRICATION PROCEDURE 4 2 BELT REPLACEMENT 5 0 WARRANTY INFORMATION 6 0 TROUBLESHOOTING 7 0 BEARINGS LUBRICATION RECORD FIGURE TITLE 1 FAN ROTATION DIRECTION 2 NU T LINK BELT 3 BLOWER ASSEMBLY AND PARTS 1 0 PRE INSTALLATION INSTRUCTIONS 1 1 SAFETY CONSIDERATIONS Read this Service Manual carefully Be thoroughly familiar with the controls and the proper use of the equipment This manual should be retained with the unit because it contains the information necessary for proper maintenance There is a pocket envelope provided for this purpose Attach it permanently to the unit Keep all nuts bolts and screws tight to be sure the equipment is in safe working condition CAUTION Installer should be a trained experienced service person Disconnect power supply before wiring connections are made to prevent possible electrical shock of damage to equipment Check the
Download Pdf Manuals
Related Search