SPX Cooling Technologies MARLEY 07-1126 User Manual

/ Marley Ultra Low-Noise Fan /User Manual 07-1126

10InstallationFan Diameter inchesBolt 15Bolt TorqueN·m ft·lb84" to 96" M18 282.5 208108" to 120" M20 400.3 294132" to 144&qu

11OperationPrior to Start-Up1––Make sure all the pillow blocks are fixed to the hub boss—if any movement of the blocks is detected, do not operate the

12Operation3––After the rotor has been running for one hour, check the torque of the hub screws 15.4––Repeat the check of screws 15 after 24 hours fro

13MaintenanceMaintenance and Operation1––Inspect the overall fan condition periodically.Inspection intervals depend on fan operating conditions and ma

14MaintenancePossible Causes of VibrationThe actual causes of vibration may change considerably. Some of the most common are as follows.1–– Unbalance

15Maintenance9––Worn output shaft bearing: this condition generates vibration on the tip path plane at a frequency equal to the rotor RPM.10––The fan

16Parts ListItemFigure 6DescriptionStandardMaterialStandardProtection1 Blade FRP ––2 Coupling Flange Steel Epoxy Paint3 Hub Disk Steel Epoxy Paint4 Lo

17Parts List1610B10A1413123746512151182117161098Figure 6

18TroubleshootingTrouble Cause RemedyLow air flowLow power absorptionSystem congestion. Clean the entire system.Obstacles to the air flow.Check the real

M07-11267401 WEST 129 STREET | OVERLAND PARK, KANSAS 66213 UNITED STATES | 913 664 7400 | [email protected] | spxcooling.comIn the interest o

3ContentsGeneral Information ... 4Installation ...

4General InformationDescriptionThe Marley Ultra Low-Noise series of fans represent the top in the new generation of super low noise fans—the FRP blade

5InstallationRotation and Flow DirectionThe rotation direction is correct when the airflow moves from the convex back (suction surface) of the blade, t

6Installation10B10A15937261048Figure 2

7InstallationTorque hub assembly bolts 11 according to the following table:Fan DiameterinchesFlange Type Bolt TypeBolt TorqueN·m ft·lb84" to 96&q

8InstallationThe drive shaft end must remain recessed at least 1⁄32" in the hub bore to prevent dangerous rotor vertical translation once retaini

9InstallationRotate the blade on its axis until the required pitch angle is ob-tained.Check there is no gap between each blade shaft shoul