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SPX Cooling Technologies Marley Geareducer 2200, User Manual, Page: 12 / 12

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SPX Cooling Technologies Marley Geareducer 2200 User Manual Download Page 12

Figure 7 

 Tooth Contact Pattern—Correct and Incorrect

DIRECTION OF ROTATION

RING GEAR

ORIGINAL

PATTERN

AFTER

BREAK IN

*

*

*

*

CONVEX SIDE

ENTERING

CONCAVE SIDE

LEAVING

CONCAVE SIDE

CONVEX SIDE

OUT-OF POSITION CONTACT

Cause:     Pinion too close to

                gear center.

Remedy: Move pinion out.

OUT-OF POSITION CONTACT

Cause:     Pinion too far from

                gear center.

Remedy: Move pinion in.

Correct Pinion and Ring Gear Tooth Contact Patterns

Incorrect Ring Gear Tooth Contact Patterns

Z0490769_C (M99-1260E) 

 |  

ISSUED 06/2022   

COPYRIGHT © 2022 SPX TECHNOLOGIES
In the interest of technological progress, all products are subject to design 
and/or material change without notice.

Geareducer

U S E R MAN UAL

SPX COOLING TECH, LLC

7401 WEST 129 STREET
OVERLAND PARK, KS 66213 USA
913 664 7400  |  [email protected]

spxcooling.com

Summary of Contents for Marley Geareducer 2200

Page 1: ...Geareducer models 2200 2250 2250S 2400 OPERATION MAINTENANCE REPAIR Z0490769_C ISSUED 06 2022 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT user manual ...

Page 2: ......

Page 3: ...pling must be properly aligned Refer to the alignment instructions in the Driveshaft or Coupling Manual shipped with the cooling tower Copies are also available from your local Marley sales representative Initial Operation Check to be sure that the Geareducer is filled with oil and that there are no visible oil leaks If equipped with an external dipstick oil level gauge be sure the oil full mark c...

Page 4: ...ration Refer to the tables below for the seasonal selection information Table 1 Synthetic oil 5 year oil change interval Winter or Summer Severe Duty High Temperature Air Temperature at Geareducer Below 110 F 43 C Above 110 F 43 C ISO 150 ISO 220 R Refer to instructions within this manual Note It is recommended at least weekly that the general operation and condition be observed Pay particular att...

Page 5: ...commended to monitor the oil condition every six months throughout the five year period per the instructions in Changing Geareducer Oil operation and service Changing Geareducer Oil Drain the Geareducer oil by removing the drain plug See Figure 1 for location If equipped with an external dipstick oil level gauge remove the drain plug at that location and drain the entire system When using syntheti...

Page 6: ... RETAINER CAP 503 420 BOTTOM CAP 8 411 202 101 102 WATER SLINGER BEARING RETAINER 210 420 502 203 PINION CAGE CAP 320 501 103 104 312 311 301 101 NPT PLUG 201 PINION CAGE CAP 501 WATER SLINGER BEARING RETAINER 521 520 505 412 504 O RING 2250S ASSEMBLY 2250S ASSEMBLY field repair ...

Page 7: ...n attaching hardware Cap screws and washers 301 Oil Slinger 310 Set of Two Pinion Shaft Bearings 311 Head tapered roller bearing 312 Tail tapered roller bearing 320 Pinion Cage Shims 410 Fan Shaft Bearing Set 411 Lower tapered roller bearing 412 Upper tapered roller bearing 420 Fan Shaft Shims 500 O Rings Set 502 Water slinger O ring 3 ID 31 4 OD 1 8 503 Bearing retainer O ring 5 ID 51 4 OD 1 8 50...

Page 8: ...allet 8 For S Models Only Remove fan shaft lip seal 520 from upper bearing retainer and sleeve 521 from water slinger Pinion Cage Disassembly 1 Remove pinion cage cap from pinion cage 2 Remove O rings 504 and 505 3 Remove locknuts and lockwasher 103 and 104 then press pinion shaft 101 out of pinion cage This will free tail bear ing cone 312 A hydraulic press or jack is recommended for removing or ...

Page 9: ...43 THE PINION SETTING DISTANCE IS THE DISTANCE THE END OF THE PINION SHOULD BE FROM THE CENTERLINE OF THE RING GEAR SHAFT Figure 4 Gear Match Numbers and Setting Data Figure 3 Cross Section FAN HUB RETENTION HARDWARE FAN SHAFT WATERSLINGER BEARINGRETAINER PIPE PLUG GEAREDUCERCASE OILSEAL PINION SHAFT PINION CAGE CAP PINION CAGE O RING ORING OILSLINGER PINION GEAR BOTTOM COVERCAP RINGGEAR O RING BO...

Page 10: ...ll the fan shaft assembly seating the upper fan shaft bearing cone into its cup Install the lower bearing cup 411 4 Install the bottom cover cap using sealer as indicated in Figure 5 and tighten cap screws to 25 ft lbƒ 34 N m Use old shim pack or make up equivalent thickness shim pack 420 and installthebottombearingretainercap DonotinstalltheO ring for the bottom bearing retainer at this time Tigh...

Page 11: ...lash to make sure it is within the proper limits With gears adjusted to the proper backlash blue Prussian blue in oil the pinion teeth By using a long handled brush or swab the pinion teeth can be reached through the inspection opening Drive the pinion by turning the fan shaft in both directions for several revolutions Observe the markings on both gears on both sides of the teeth Compare the marki...

Page 12: ...CONTACT Cause Pinion too far from gear center Remedy Move pinion in Correct Pinion and Ring Gear Tooth Contact Patterns Incorrect Ring Gear Tooth Contact Patterns Z0490769_C M99 1260E ISSUED 06 2022 COPYRIGHT 2022 SPX TECHNOLOGIES In the interest of technological progress all products are subject to design and or material change without notice Geareducer US E R MAN UAL SPX COOLING TECH LLC 7401 WE...

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