SEAL (PACKING) REPLACEMENT
CB5A-021 page 19/24
Follow steps 1 through 6 of the "Compressor
Disassembly" section of this manual.
1. Remove the upper and lower retainer ring from the
packing box being serviced. Disassemble the
packing box and discard the old packing sets and
packing springs.
2. Clean the packing box in a suitable solvent. Inspect
the bore for wear, roughness, or corrosion. Clean or
replace as necessary.
3. Ensure that the 6
th
digit of the Compressor ID
number is a "1", indicating a TYPE 1 packing
arrangement. See "Nameplate Data" in this manual.
Refer to Figures 12 and 13 for proper TYPE 1
component location and orientation.
4.
Single-Seal Packing Box Assembly
a. Install the lower retainer ring.
b. Install the packing rings, spring, washers, and
the upper retainer ring. To ease installation on
the second retainer ring, use a screwdriver
handle and press on the last washer to
compress the seal spring slightly.
5.
S
3R Seal Cup (LB602C only)
Disassembly
a. Remove the seal cup from the packing box by
removing the eight socket head capscrews.
b. Remove the retainer ring, spring, packing and
washers.
c. Remove the remaining two socket head
capscrews to remove the seal cup cover.
d. Remove the S3R seal from the seal cup.
Fig. 13c – LB602C Packing Box Assembly
Figure 13 - TYPE 1 Seal Orientation
Figure 12 - Typical Seal Assembly
