Related Manuals for Marley 2700-3000 Series
Summary of Contents for Marley 2700-3000 Series
- Page 1 u s e r m a n u a l 2700 - 3000 Series Geareducer ® I N S TA L L AT I O N - O P E R AT I O N - M A I N T E N A N C E uk_Z0529732_A ISSUED 06/2017 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.
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Page 2: Maintenance Schedule
maintenance schedule Maintenance Service Monthly Semi-annually Seasonal Startup or Annually Geareducer Drive: Inspect and tighten all fasteners including oil plug Check for and repair oil leaks Check oil level Change oil Make sure vent is open Check driveshaft or coupling alignment Inspect and tighten driveshaft or coupling fasteners Check driveshaft or coupling bushing / flex elements for unusual wear Lube Lines (if equipped) -
Page 3: Operation And Service
INITIAL PROTECTION AGAINST CORROSION replacement orders. Before operating the mechanical equipment, As shipped, a Marley Geareducer is protected internally against check to be sure the oil level is at the full mark at the Geareducer corrosion with machine enamel on unmachined parts and with and that the external gauge placard (if equipped) full mark corre- rust-proofing oil and grease on machined surfaces. -
Page 4: Scheduled Maintenance
Intermittent opera- tion and extended periods of downtime can cause condensation of water in the oil. If using Marley Gearlube, the oil condition must be inspected every six months—see Changing Geareducer Oil for maximizing service life. - Page 5 If your Geareducer ever needs replacement or repair, Marley recom- If the cooling tower has an external oil gauge and drain line equipped mends returning the unit to a Marley factory service center. Contact with a three-way valve below the oil level gauge. See Figure 2.
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Page 6: Parts List
parts list BEARING RETAINER WATER SLINGER DOWEL PIN VENT CASE COVER DOWEL PIN GEAREDUCER CASE PINION CAGE PINION CAGE BOTTOM CAP Figure 3... - Page 7 parts list PARTS LIST Complete Geareducer Assembly 008 Ring Gear Hub 100 Spiral Bevel Gear Set Set of matched spiral bevel gears, including integral pinion shaft with key Gear ratios as follows: Model 2700 5.77 to 1 7.71 to 1 8.66 to 1 Model 3000 5.06 to 1...
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Page 8: Field Repair
See Figure 4. seal and gaskets should be carefully inspected for damage before being reinstalled. Marley recommends that new O-rings and oil seal Remove water slinger*. be installed during a major overhaul. - Page 9 field repair PINION CAGE SUBASSEMBLY Drive dowel pins down into case. Remove bolts and case cover and lift fan shaft assembly out Place oil slinger (301) on pinion shaft. of the case. Press head bearing cone (311) on pinion shaft making sure oil Turn case over and remove bottom cap and shim pack (420).
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Page 10: Final Assembly
field repair Example: Removing .003 shims at the bottom bearing cap requires Measure fan shaft end play with a dial indicator on a surface normal to the plane of rotation. Lift shaft axially and rotate slowly the addition of .003 shims at the bearing retainer to maintain correct until all axial movement stops. - Page 11 field repair Backlash Etched on Gears Set the Gears to Backlash .008 .010 .003 / .008 .009 .0115 .003 / .008 .010 .013 .003 / .008 .011 .014 .004 / .010 .012 .015 .004 / .010 .013 .017 .004 / .010 .014 .0185 .004 / .010...
- Page 12 Geareducer U S E R M A N UA L SPX COOLING TECHNOLOGIES UK LTD 3 KNIGHTSBRIDGE PARK uk_Z0529732_A (uk_02-128C) ISSUED 06/2017 WORCESTER WR4 9FA UK COPYRIGHT © 2017 SPX CORPORATION In the interest of technological progress, all products are subject to design 44 1905 750 270 @spx.com ct.fap.emea...
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