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Marley X7 Fan

D E S I G N E D F OR I N D U CE D-D RAFT COOLI N G TOWE R APPLI CATI ON S

M2010-1234A    I SSUED 3/2012

R EAD AN D U N D E R STAN D TH I S MAN UAL PR I OR TO OPE RATI N G OR S E RVI CI N G TH I S PR OD U CT.

U S E R MAN UAL

Summary of Contents for Marley X7 Fan

Page 1: ...Marley X7 Fan D E S IG N E D FOR I N D UCE D D RAFT COOLI NG TOWE R APPLICATION S M2010 1234A ISSUED 3 2012 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT US E R MAN UAL...

Page 2: ...ial Pitch Angle___________________________________ Final Pitch Angle__________________________________ Speed rpm_______________________________________ Contract hp_____________________________________...

Page 3: ...on the hub On fans where the blades overlap at the hub be sure to have the leading edge under the trailing edge of the forward blade Refer to Figure 2 4 Ensure the blade shank safety collar is inboard...

Page 4: ...e below the top of the shaft by not more than 1 8 3 mm The key is a tight fit across the width and must never be altered 4 After cleaning apply a coat of anti seize compound to the engage ment portion...

Page 5: ...near the tip For flare tip blades the pitch is measured across the end cap as shown in Figure 4 For full chord blades the pitch is measured across the aluminum airfoil about 1 inboard of the end cap...

Page 6: ...drain holes at fan tip Service Proper identification of your fan is necessary to insure you receive cor rect replacement parts The Marley cooling tower serial number can be used to determine the fan...

Page 7: ...tors operating with Variable Fre quency Drive controls may read up to 15 high from errors in measuring the approximated sine wave Instruments capable of measuring a squared off wave form accurately sh...

Page 8: ...7439 spxcooling spx com spxcooling com In the interest of technological progress all products are subject to design and or material change without notice ISSUED 3 2012 M2010 1234A COPYRIGHT 2012 SPX C...

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