Carrier AquaEdge 19XR Start-Up, Operation And Maintenance Instructions Manual page 82

Table 43 — 19XR 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
M Thrust Assembly Seal Ring Axial 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 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 assembly
cannot be pulled from impeller end. The transmission assembly must
be removed from the compressor casting (after the impeller is
COMPRESSOR, TRANSMISSION AREA (FRAME 5 COMPRESSOR SHOWN)
Fig. 53 — 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 –.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
1
COMPRESSOR, TRANSMISSION AREA (FRAME 5 COMPRESSOR SHOWN)
1) OIL HEATER RETAINING NUT (NOT SHOWN)
2) BULL GEAR RETAINING BOLT
3) DEMISTER BOLTS (NOT SHOWN)
4) IMPELLER BOLT
FRAME 3 FRAME 4
321-389, 3ZZ, 421-487,
32E-38H 4B1-4W7
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 –.0014/.0000
* *
.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
removed) and the bearing temperature sensor must be removed from
the high speed shaft and bearing assembly 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.
3
A
2
D
82
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
* *
* *
.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
SEE VIEW B
Rolling
Element
Bearings
.0069/.0059
.0065/.0055
N/A
.013/.009
.020/.008
*
N/A
*
.0024/.0010
.0012/.0004
.010/.006
.012/.008
N/A
N/A
N/A
0 Float
N/A
4
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