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Disassembly and Reassembly
37
Repair
1. Clean all parts thoroughly to remove all oil
and gaskets.
2. Polish the crankshaft with crocus cloth if it is
rusted or dirty. Do not allow abrasives to
contaminate the compressor.
3. Inspect each side of the crankshaft for flatness
with a straight edge. No light should be visible
between the shaft and the straight edge
(especially in the bearing contact areas).
Installation of Spring Loaded
Neoprene Bellows Type Seal
1. Install the lip seal in the seal plate with the lip
side facing out and the flat side facing toward
the compressor.
NOTE: Some early style seal plates do not
use the lip seal.
2. Install a new O-ring onto the new neoprene
seal and apply clean compressor oil to the seal
assembly. Ensure that the installation tool
(P/N 204-953) is clean. Use the installation
tool to push the seal (with the polished surface
toward the installation tool) fully into the seal
plate.
If the insertion tool is not available, use the
pad in the new seal packaging to protect the
polished surface of the seal during assembly.
1.
Lip Side Facing Out
2.
Flat Side Toward Compressor
Figure 30: Lip Seal Installation
1
ARC010
2
1.
This Side Toward Seal Plate
2.
This Side Toward Compressor
Figure 31: Hard Ring Positions
1.
Seal Plate
2.
O-ring
3.
Neoprene Seal—Install with Polished
Surface Toward Compressor
4.
Installation Tool P/N 204-953
Figure 32: Hard Ring Installation
CAUTION: Do not touch the hard ring or
the carbon ring surface (bronze seal for
0.875” shaft compressors) with your
hands, hold them by the edges.
1
2
AGA547
1
2
3
4
ARC022