HP 85027A Operating And Service Manual page 78

HP 85027A/B/C Service
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USE CIRCULAR STROKES FOR OUTER
CONDUCTOR FACE ONLY.
WRAP THIN FOAM OR A LINT-FREE
CLOTH AROUND A SLENDER WOODEN
ROD (SUCH AS A TOOTHPICK) FOR
CLEANING AREAS THAT ARE TOO
SMALL FOR THE SWABS.
TRY TO CLEAN THE CONNECTOR WITH
COMPRESSED AIR BEFORE RESORTING
TO SWABS,
CIRCULAR STROKES LEAVE TORN
FIBERS SNAGGED ON EDGES OF
CENTER COLLET.
RADIAL STROKES DO NOT LEAVE
FIBERS.
Figure 8-3. Cleaning A PC-7 Connectors