53 of 59 GH-24, GH-30, GH-45, GH-60 Rev.003
MAINTENANCE
Lubricate the base mount
o The base mount of the FlexArm requires periodic care and maintenance. Monthly lubrication or bi-
monthly lubrication is adequate. If it is necessary to remove the unit from the base mount, do not
allow the lower bore of the angle mount or the base mount shaft to be contaminated by dirt or
foreign materials. If the unit becomes contaminated, clean the lower bore of the angle mount and
the shaft of the rear mount thoroughly prior to re-assembly. Lubricate the rear base mount by
applying a slight amount of grease to the shaft to prevent premature wear.
Periodically check the bolts throughout the unit for tightness
o If the bolts have loosened up, use Loctite 242 on the threads and reassemble. This should prevent
any further problems.
If utilizing a motor with a quick change chuck
o Keep both the motor and the chuck free from contamination by cleaning regularly.
A simple air gun can be used to blow particles and contaminants off of the motor and chuck
collar. Make sure to clean inner surfaces of the chuck as well. If contaminants build up too
excessively, it may become necessary to soak the entire chuck into cleaning solvent or WD-40
type penetrating oil before using the air gun. Doing this regularly will considerably reduce, and
may even eliminate, the need to disassemble the quick change chuck to clean it. If, however, the
chuck has accumulated so much dirt and grime that disassembly is necessary, follow the
procedures given below:
o Slide the collar upward until it locks into the upper most position. The snap ring is located between
the chuck body and the collar (on the open end where the tap holders insert). Use an awl or small
slotted screwdriver to locate one of the snap ring ends. Rotate the snap ring end until it is positioned
in one of the two chuck slots. It can now be carefully lifted upward and by using a circular motion,
the ring can be completely removed. The collar can now be removed by depressing the ejector in the
center of the chuck body (CAUTION: The collar may eject rapidly. Be careful not to damage the collar
or lose the ball bearings, spring, or snap ring). Clean the exposed area of the chuck and reassemble (It
may be necessary to depress the ejector in the center of the chuck body to completely slide the
collar back into place). Replace the snap ring in the groove on the chuck body.
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