TK 61753-2-MM-EN
105
Compressors with Pressurized Seal Cavity
Starting in the first quarter of , the pressurized seal cavity was phased into use on large shaft four cylinder compressors.
Compressors with a pressurized seal cavity can be identified by the “P” on the seal cover as shown (Figure 51, p. 105).
The model number of the compressor has been changed to X430P to signify the Pressurized Seal Cavity as shown
(Figure 52, p. 105). The pressurized seal cavity uses a new compressor seal with a hex drive and a new crankshaft with a
hex drive collar. See “Hex Drive Compressor Seal Replacement,” p. 105 for the replacement procedure.
Figure 51. Seal Cover for Compressor with Pressurized Seal Cavity
1. “P” Indicates Pressurized Seal Cavity
Figure 52. Model Number Location
1. “X430P” Indicates Pressurized Seal Cavity
Hex Drive Compressor Seal Replacement
1. Remove the compressor from the unit.
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