Related Manuals for SPX Cooling Technologies Marley Geareducer 2200
Summary of Contents for SPX Cooling Technologies Marley Geareducer 2200
- Page 1 u s e r m a n u a l Geareducer models 2200 - 2250 - 2250S - 2400 ® O P E R AT I O N - M A I N T E N A N C E – R E PA I R Z0490769_C ISSUED 06/2022 READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT...
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Page 3: Operation And Service
operation and service Vent Inspection Oil Level Check and Fill Drain Plug Vibration Mounting Location 1/4 - 28 UNF Figure 1 Service Fittings Protection Against Corrosion Initial Operation All Marley Geareducer units ship from the factory with a protective Check to be sure that the Geareducer is filled with oil and that coating of epoxy enamel paint on all unmachined parts and with there are no visible oil leaks. - Page 4 operation and service If lubricants other than Marley factory lubricants are used, they must Seasonal temperature changes may require one viscosity of oil for not contain any additives (such as detergents or EP additives) which summer operation and another for winter operation. Refer to the are adversely affected by moisture and could reduce the service tables below for the seasonal selection information.
- Page 5 operation and service Scheduled Maintenance Changing Geareducer Oil Warning—Make certain that mechanical equipment is inoper- Drain the Geareducer oil by removing the drain plug. See Figure 1 for location. If equipped with an external dipstick/oil able during periods of maintenance—or during any situation of possible endangerment to personnel.
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Page 6: Field Repair
field repair WATER SLINGER 2250S ASSEMBLY WATER SLINGER BEARING RETAINER BEARING RETAINER NPT PLUG GEAREDUCER AIR VENT CASE PINION CAGE “O”-RING PINION CAGE 2250S ASSEMBLY PINION CAGE BOTTOM CAP BEARING RETAINER Figure 2 Exploded Cross Section... -
Page 7: Parts List
Parts List Complete Geareducer Assembly. Ring Gear Hub. 100 Spiral Bevel Gear Set. 101 Set of matched spiral bevel gears including integral pinion shaft with key. Gear ratios as follows: 3.45 to 1 3.79 to 1 4.10 to 1 4.56 to 1 5.11 to 1 5.50 to 1 6.12 to 1... - Page 8 field repair General Pinion Cage Disassembly Geareducers can be repaired in the field—however, major repairs 1. Remove pinion cage cap* from pinion cage. require the use of a fully equipped machine shop. When field repair 2. Remove O-rings* (504 and 505). or replacement of parts is necessary, the following procedure is 3.
- Page 9 FAN HUB RETENTION HARDWARE FAN SHAFT BEARING RETAINER O-RING WATER SLINGER PIPE PLUG GEAREDUCER CASE AIR VENT O-RING PINION GEAR OIL SEAL RING GEAR PINION SHAFT PINION CAGE RING GEAR O RING PINION CAGE DRAIN PLUG BOTTOM COVER CAP OIL SLINGER BOTTOM BEARING O-RING RETAINER CAP...
- Page 10 field repair Pinion Cage Subassembly 5. Turn the Geareducer right side up and rotate the fan shaft 1. Place O-ring (506) on pinion shaft (101). several turns in each direction to seat the bearing rollers. With 2. Place oil slinger (301) on pinion shaft. a dial indicator and using the Geareducer case as a reference, measure and adjust the fan shaft bearings to .003-.005"...
- Page 11 field repair Gear Setting Procedure adjustment must be made at the bearing retainer. The proper mounting of the gear set is essential to obtain long life and smooth operation of the gears. The pinion and ring gears Example: Removing .003" shims at the bottom bearing retainer were positioned approximately in the preceding steps.
- Page 12 Geareducer U S E R M A N UA L Correct Pinion and Ring Gear Tooth Contact Patterns Incorrect Ring Gear Tooth Contact Patterns OUT-OF POSITION CONTACT Cause: Pinion too close to gear center. Remedy: Move pinion out. ORIGINAL PATTERN AFTER CONCAVE SIDE CONVEX SIDE...