Cooper Tools Campbell GXL Manual Del Operador página 18

Inspection Procedure, (continued)
Springs: "GX" and "GXL" clamps are equipped with a
torsion spring, and testing for replacement is simple. The
spring should be of sufficient strength to hold the cam
against the pad. If it is not, the spring should be replaced.
"GXL" clamps are equipped with additional springs which
should be replaced if they appear deformed, or if they fail
to open and close locking mechanism. In the case of the
"E" clamp, the spring should be replaced if it fails to pro-
vide initial pressure at near zero grip. Any springs with
cracks should be replaced.
SAC Clamp Screws: Any screw with distorted or worn
threads or a ball head that will not allow free rotation of
the cam should be replaced.
Chains: Chains supplied with clamps should also be
inspected carefully. To do this, use a Campbell wear
gauge. Inspect chains link by link, checking for distorted,
stretched or cracked links,
nicks or gouges,
pitted links and excessive
wear of bearing surfaces
and barrels.
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