background image

Twin City Engineering Supplement ES-191 

7

This page intentionally left blank.

Summary of Contents for TCVA

Page 1: ...pections Check for corrosion or damage to the unit and for debris within the fan Rotate the fan wheel a few revolutions Stop the wheel in a position other than the initial position Grease the bearings every month with a grease compatible with the grease supplied with the bearings Foundations and Supporting Structures Typical mounting arrangements are shown in Figures 4 and 5 on page 4 Floor mounte...

Page 2: ...placement If burrs are found use fine emery cloth or a stone to remove them Be careful that dust does not enter the bearings Check sheaves for wear Excessive slippage of belts on sheaves can cause wear and vibration Replace worn sheaves with new ones Carefully align sheaves to avoid premature sheave failure Inspect the belts for wear If fraying or other wear is observed to be mostly on one side of...

Page 3: ...te These torque values are to be obtained with a calibrated torque wrench DO NOT apply any lubricant to any part of the Trantorque hub DO NOT use an anaerobic thread adhesive such as Loctite on the threads Figure 2 Ball Bearing Relubrication Schedule 1 This equipment must not be operated without proper guarding of all moving parts While performing maintenance be sure remote power switches are lock...

Page 4: ...the correct shafts properly aligned and properly tensioned Check fan electrical components Motor is wired for proper supply voltage Motor size is sufficient to power the rotating assembly Motor is properly grounded All leads are properly insulated Trial bump Turn on power just long enough to start assembly rotating Check rotation for agreement with rotation arrow Listen for any unusual noise Run u...

Page 5: ...4 diameter end for additional leverage The blades can be turned by hand on open inlet fans If additional leverage is needed place a wrench on the leading edge of the blade near the hub Take care not to mar the surface of the blade 4 Prior to adjusting the blade angle check the performance data to insure that the motor will not overload 5 Turn blade to desired angle See Figure 6 There is an indicat...

Page 6: ...6 Twin City Engineering Supplement ES 191 This page intentionally left blank ...

Page 7: ...Twin City Engineering Supplement ES 191 7 This page intentionally left blank ...

Page 8: ...ITY FAN BLOWER WWW TCF COM 5959 Trenton Lane N Minneapolis MN 55442 Phone 763 551 7600 Fax 763 551 7601 Visit www tcf com to view all of Twin City Fan Blower s Installation Manuals and Fan Engineering Topics ...

Reviews: