Carrier AquaEdge 19XR Series Start-up, Operation And Maintenance Instructions Manual

Also see for AquaEdge 19XR series: Installation instructions Start-up, operation and maintenance instructions

Contents

86* Depends on impeller size, contact your Carrier Service Representa-tive for more information.NOTES:1. All clearances for cylindrical surfaces are diametrical.2. Dimensions shown are with rotors in the thrust position.3. Frame 3 rolling element style high speed shaft and bearing assemblycannot be pulled from impeller end. The transmission assembly mustbe removed from the compressor casting (after the impeller isremoved) and the bearing temperature sensor must be removed fromthe high speed shaft and bearing assembly before the high speedshaft and bearing assembly can be separated from the transmission.4. If any components within a rolling element high speed shaft andbearing assembly are damaged it is recommended that the entirehigh speed shaft and bearing assembly be replaced.5. Impeller spacing should be performed in accordance with the mostrecent Carrier Impeller Spacing Service Bulletin.Fig. 59 — Compressor Fits and Clearances — Single-Stage CompressorsTable 42 — 19XR Compressor Frame 2 Through Frame 5 Fits and Clearances (in.)ITEMCOMPRESSOR FRAME 2 FRAME 3 FRAME 4 FRAME 5Code 201-299,2ZZ321-389, 3ZZ,32E-38H421-487,4B1-4W7 501-599DESCRIPTION Oil FilmBearingsRollingElementBearingsOil FilmBearingsRollingElementBearingsOil FilmBearingsRollingElementBearingsA Low Speed Journal-Gear End .0050/.0040 .0050/.0040 .0055/.0043 .0055/.0043 .0069/.0059 .0069/.0059B Low Speed Journal-Motor End .0050/.0040 .0050/.0040 .0053/.0043 .0053/.0043 .0065/.0055 .0065/.0055C1 Low Speed Labyrinth to Thrust Disk .0115/.0055 N/A .010/.005 N/A N/A N/AC2 Labyrinth to Low Speed Shaft N/A .010/.005 .0095/.0055 .0095/.0055 .013/.009 .013/.009D Low Speed Shaft Thrust Float .020/.008 .020/.008 .023/.008 .023/.008 .020/.008 .020/.008E Impeller Eye to Shroud * * * * * *F1 Impeller Bore to Shaft-Rear –.0020/–.0005 –.0025/–.0010 –.0014/–.0029 –.0014/–.0029 –.0019/–.0005 –.0019/–.0005F2 Impeller Bore to Shaft-Front N/A N/A –.0005/–.0025 –.0005/–.0025 –.0014/.0000 N/AG Impeller Discharge to Shroud * * * * * *H Impeller Spacer to Shaft .0025/.0010 .0025/.0010 .0025/.0010 .0025/.0010 .0024/.0010 .0024/.0010I Slinger to Shaft .0013/.0005 .0012/.0004 .0012/.0004 .0012/.0004 .0012/.0004 .0012/.0004J Labyrinth to Slinger .013/.009 .010/.006 .010/.006 .010/.006 .010/.006 .010/.006K Labyrinth to Impeller .012/.008 .012/.008 .012/.008 .012/.008 .012/.008 .012/.008L High Speed Journal-Impeller End .0047/.0037 N/A .0040/.0028 N/A .0048/.0038 N/AM Thrust Assembly Seal Ring Axial Clearance .006/.002 N/A .006/.002 N/A .006/.002 N/AN Thrust Assembly Seal Ring to Shaft .0045/.0015 N/A .0045/.0015 N/A .0045/.0015 N/AO High Speed Shaft Thrust Float .014/.008 0 Float .014/.008 Float .014/.008 0 FloatP High Speed Journal-Gear End .0050/.0040 N/A .0048/.0038 N/A .0062/.0052 N/ASEE VIEW A1 OR A2 A 2 3 SEE VIEW B41COMPRESSOR, TRANSMISSION AREA (FRAME 5 COMPRESSOR SHOWN)1) OIL HEATER RETAINING NUT (NOT SHOWN)2) BULL GEAR RETAINING BOLT3) DEMISTER BOLTS (NOT SHOWN)4) IMPELLER BOLTDCOMPRESSOR, TRANSMISSION AREA (FRAME 5 COMPRESSOR SHOWN)a19-1635