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Marley HP7000, Руководство пользователя

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Hub Cover Installation

 

Install the hub cover as shown in 

Figure 1

 and 

Figure 7

. Tighten all 

hex nuts to 15 ft·lb

ƒ

 (20 N·m) torque.

Figure 7

Fan Maintenance 

Preventative maintenance will prolong useful life and assure contin-
ued trouble-free operation.  After the first week and subsequently 
at six month intervals:
• Torque all hardware to specifications referenced in this manual.
•  Visually inspect the fan for airborne debris damage, contact with 
fan cylinder segments, and corrosive attack.  Correct any situations 
determined detrimental to fan operation.
• Remove any accumulated scale or dirt.
• Clear blade drain holes.

Содержание HP7000

Страница 1: ... Marley HP7000 Fan User Manual 97 1342B ...

Страница 2: ...200 132 100 Hub 101 Hub Center 102 Hub Plate 110 Kit Blade Clamp 111 Blade Clamp 120 Kit Center Hub Hardware 121 Cap Screw 5 8 122 Flat Washer 5 8 123 Pin 1 2 130 Kit Blade Clamp Hardware 131 Machine Bolt 3 4 132 Flat Washer 3 4 133 Locking Hex Nut 3 4 or Hex Nut 3 4 and Lock Washer 3 4 134 Thread Lubricant 140 Kit Hub Cover Hardware 141 Machine Bolt 3 8 142 Flat Washer 3 8 143 Lock Washer 3 8 144...

Страница 3: ...and must never be altered 3 Raise the fan hub above the fan shaft for installation Slowly lower the hub onto the shaft with the keyways properly aligned Make certain the key does not slide down during installation Stake the key in the keyway with a center punch if necessary The fan shaft key should be approximately centered in the engaged portion of the hub when engaged on the shaft Verify the cen...

Страница 4: ...center punch if necessary After the hub assembly is installed the bottom end of the key must extend through the bottom of the center hub and the top end of the key must extend 5 8 16mm minimum above the top of the fan shaft Do not force the key down once these criteria are met 4 Figure 3 illustrates proper retention plate and hardware installa tion The retention plate is designed to allow clearanc...

Страница 5: ...l cap screws provided with the fan installation kit Thoroughly clean the bushing center bore and outside taper barrel surface to remove any protec tive coating After cleaning apply a thin coat of anti seize compound to the outer taper surface of the bushing 3 Aligning the outside taper barrel bushing key with the keyway of the hub bore loosely start the Type 1 or Type 2 bushing into the bore of th...

Страница 6: ...he bushing bore It may be necessary to slightly wedge open the split taper bushing for easier engagement of the fan shaft into the bush ing bore This can be accomplished by driving a wedge into the bushing flange split 6 Using a torque wrench tighten the stainless steel cap screws sequentially until each is tightened to 140 ft lbƒ 190 N m When the cap screw torque is at or near 140 ft lbƒ 190 N m ...

Страница 7: ...e spacers Position the blade clamps around the shank of a blade with the machined face end of the blade clamp against the blade safety shoulder See Figure 4 Large nylon cable ties can be used to hold blade clamps on the blade during installation providing easier assembly 3 Insert the blade with blade clamps around the shank and with the concave blade side TOP on the discharge side between the hub ...

Страница 8: ... safety shoulder is in contact with the blade clamp then set the pitch See Figure 5 Blades should be within 1 4 of the desired pitch angle After the de sired setting is obtained progressively tighten the 3 4 hex nuts to 120 ft lbƒ 163 N m torque Recheck the pitch angle If required loosen the hex nuts and reset the pitch as necessary until the proper pitch angle is obtained with the 3 4 hex nuts at...

Страница 9: ...l prolong useful life and assure contin ued trouble free operation After the first week and subsequently at six month intervals Torque all hardware to specifications referenced in this manual Visually inspect the fan for airborne debris damage contact with fan cylinder segments and corrosive attack Correct any situations determined detrimental to fan operation Remove any accumulated scale or dirt ...

Страница 10: ...b assembly identification number see Figure 1 is required to identify a replacement hub assembly or repair components Please provide the Marley sales office or sales representative the necessary information when ordering replacement fans or components Blades can be replaced without rebalancing the entire fan If rebalancing is desired contact the Marley sales office or repre sentative in your area ...

Страница 11: ... Measurements taken on motors operating with Variable Fre quency Drive controls may read up to 15 high from errors in measuringtheapproximatedsinewave Instrumentscapableof measuring a squared off wave form accurately should be used for measuring power in this situation Do not exceed 30 sec hour total motor starting time as motor may overheat Note VOLTSN Nameplate Volts AMPSN Nameplate Amperage HPN...

Страница 12: ...ND PARK KANSAS 66213 UNITED STATES 913 664 7400 spxcooling spx com spxcooling com In the interest of technological progress all products are subject to design and or material change without notice 2008 SPX Cooling Technologies Inc Printed in USA ...

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