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Summary of Contents for Marley MARLEY HP700
- Page 1 Marley HP7000 User Manual 97-1342B...
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Page 2: Fan Components
Fan Components 45 ft·lb ƒ (61 N·m) Hub Center Hub Plate Kit–Blade Clamp Blade Clamp Kit–Center Hub Hardware Cap Screw 5/8″ Flat Washer 5/8″ Pin 1/2″ Kit–Blade Clamp Hardware Machine Bolt 3/4″ Flat Washer 3/4″ Locking Hex Nut 3/4″ or Hex Nut 3/4″... - Page 3 Note 36 and 38 Geareducer Fan Hub Installation The following instructions detail the process for installing a Marley HP7000 fan on a Marley Geareducer shaft utilizing a bolted fan hub retention plate or a straight fan shaft using a split taper bushing. Installation on other gear reduction units may be different.
- Page 4 Figure 2 36 and 38 Geareducer Figure 3 36 and 38 Geareducer Fan Hub Installation GEAREDUCER FAN SHAFT 3–Raise the hub assembly above the fan shaft for installation. Slowly lower the assembly onto the shaft with the keyways aligned. Make certain the key does not slide down during installation.
- Page 5 Fan Hub Installation The U1 split taper bushing provided with the fan installation kit U1 Split Taper Bushing will be either a Type 1 or a Type 2 bushing. A Type 1 bushing will use the fan shaft key provided with the Geareducer. A Type 2 bushing uses an integral key that is shared by the output shaft and the fan hub keyways.
- Page 6 Figure 4 Fan Hub Installation 5–Position the bushing-hub assembly over the Geareducer fan shaft. Carefully align the bushing bore keyway with the previously installed shaft key—or if using a Type 2 split taper bushing, align the shared hub/bushing key with the fan shaft keyway. Lower the assembly onto the shaft.
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Page 7: Fan Blade Installation
Note Figure 5 Fan Blade Installation Marley HP7000 fan blades are manufactured to equal moment weight and blade clamps to equal static weight. The blades and clamps can be installed in any position without affecting fan balance. At the end of the blade shank on a nameplate is inscribed a let- ter code (i.e. -
Page 8: Pitch Angle
Figure 6 Adjusting Fan Blade Pitch The trial pitch is the calculated setting for design conditions (water rate , heat load, air density, and brake horsepower). The trial pitch is provided (see page 2). 1–Select a position on the fan circumference and rotate each blade to this common location when setting or checking blade pitch. -
Page 9: Fan Maintenance
Figure 7 Hub Cover Installation Install the hub cover as shown in Figure 1 and Figure 7. Tighten all hex nuts to 15 ft·lb (20 N·m) torque. ƒ 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: •... - Page 10 If rebalancing is desired, contact the Marley sales office or repre- sentative in your area. HP7000 Fan BLADE SIZE MOMENT WEIGHT CLASS SERIAL NUMBER For Additional Information Refer to HP7000 Manual SPX Cooling Technologies Overland Park, KS USA 913 664 7400 www.spxcooling.com...
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Page 11: Motor Load
Note Motor Load The corrected horsepower should be close to but not exceed the contract horsepower specified by Marley. Determine corrected horsepower using the following equation. × AMPS VOLTS × AMPS VOLTS Corrected Horsepower VOLTS Actual Volts AMPS Actual Amperage DENSITY Actual Air Density Actual volts and amperage must be obtained with the fan running... - Page 12 7401 WEST 129 STREET OVERLAND 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 Manual 97-1342B...
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