Carrier AquaEdge 19XR series Start-Up, Operation And Maintenance Instructions Manual page 143

19XR,XRV COMPRESSOR FRAME 2 THROUGH FRAME 5 FITS AND CLEARANCES (in.)
COMPRESSOR
CODE
ITEM
DESCRIPTION
A Low Speed Journal-Gear End
B Low Speed Journal-Motor End
C1 Low Speed Labyrinth to Thrust Disk
C2 Labyrinth to Low Speed Shaft
D Low Speed Shaft Thrust Float
E Impeller Eye to Shroud
F1 Impeller Bore to Shaft-Rear
F2 Impeller Bore to Shaft-Front
G Impeller Discharge to Shroud
H Impeller Spacer to Shaft
I Slinger to Shaft
J Labyrinth to Slinger
K Labyrinth to Impeller
L High Speed Journal-Impeller End
Thrust Assembly Seal Ring Axial
M
Clearance
N Thrust Assembly Seal Ring to Shaft
O High Speed Shaft Thrust Float
P High Speed Journal-Gear End
*Depends on impeller size, contact your Carrier Service Represen-
tative 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
assembly cannot be pulled from impeller end. The transmission
assembly must be removed from the compressor casting (after
the impeller is removed) and the bearing temperature sensor
1 — Oil Heater Retaining Nut (Not Shown)
2 — Bull Gear Retaining Bolt
3 — Demister Bolts (Not Shown)
4 — Impeller Bolt
COMPRESSOR, TRANSMISSION AREA (FRAME 5 COMPRESSOR SHOWN)
Fig. 58 — Compressor Fits and Clearances — Single-Stage Compressors
FRAME 2
201-299, 2ZZ
OIL FILM
BEARINGS
.0050/.0040
.0050/.0040
.0115/.0055
N/A
.020/.008
*
–.0020/–.0005 –.0025/–.0010 –.0014/–.0029 –.0014/–.0029 –.0019/–.0005
N/A
*
.0025/.0010
.0013/.0005
.013/.009
.012/.008
.0047/.0037
.006/.002
.0045/.0015
.014/.008
.0050/.0040
SEE VIEW A1 OR A2
LEGEND
FRAME 3 FRAME 4
321-389, 3ZZ,
421-487, 4B1-4W7
32E-38H
ROLLING
OIL FILM
ELEMENT
BEARINGS
BEARINGS
.0050/.0040 .0055/.0043
.0050/.0040 .0053/.0043
N/A .010/.005
.010/.005 .0095/.0055
.020/.008 .023/.008
* *
N/A –.0005/–.0025 –.0005/–.0025
* *
.0025/.0010 .0025/.0010
.0012/.0004 .0012/.0004
.010/.006 .010/.006
.012/.008 .012/.008
N/A .0040/.0028
N/A .006/.002
N/A .0045/.0015
0 Float .014/.008
N/A .0048/.0038
must be removed from the high speed shaft and bearing assem-
bly before the high speed shaft and bearing assembly can be
separated from the transmission.
4. If any components within a rolling element high speed shaft and
bearing assembly are damaged it is recommended that the entire
high speed shaft and bearing assembly be replaced.
5. Impeller spacing should be performed in accordance with the
most recent Carrier Impeller Spacing Service Bulletin.
A
2
D
1
143
FRAME 5
501-599
ROLLING
OIL FILM
ELEMENT
BEARINGS
BEARINGS
.0055/.0043 .0069/.0059
.0053/.0043 .0065/.0055
N/A N/A
.0095/.0055 .013/.009
.023/.008 .020/.008
* *
–.0014/.0000
* *
.0025/.0010 .0024/.0010
.0012/.0004 .0012/.0004
.010/.006 .010/.006
.012/.008 .012/.008
N/A .0048/.0038
N/A .006/.002
N/A .0045/.0015
Float .014/.008
N/A .0062/.0052
3
SEE VIEW B
ROLLING
ELEMENT
BEARINGS
.0069/.0059
.0065/.0055
N/A
.013/.009
.020/.008
*
–.0019/–.0005
N/A
*
.0024/.0010
.0012/.0004
.010/.006
.012/.008
N/A
N/A
N/A
0 Float
N/A
4
a19-1635