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equivalent lint-free cloth. Alcohol can be used to clean the plastic
parts, but use only water and mild detergent on the o-ring itself. Also,
inspect the o-rings for nicks and imperfections.
Using alcohol on o-rings may cause a loss of elasticity and
may promote cracking.
Do not use a sharp object to remove the o-rings. Damage to
the o-ring or the groove may result.
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Before re-installing the o-rings, make sure to use a clean workspace,
clean hands, and avoid contact with anything that may leave fibers on
the o-ring or grooves. Even a very small amount of contamination (hair,
grit, etc.) may cause a leak.
To re-install the sensor o-rings:
Place a small amount of o-ring grease between your thumb and index
finger. (More grease is NOT BETTER!)
Draw the o-ring through the grease while pressing the fingers together
to place a very light covering of grease to the o-ring. Place the o-ring
into its groove making sure that it does not twist or roll.
Use the previously grease-coated finger to once again lightly go over
the mating surface of the o-ring.
Do not over-grease the o-rings. The excess grease may collect
grit particles that can compromise the seal. Excess grease
can also cause the waterproofing capabilities of the o-ring to
diminish, potentially causing leaks. If excess grease is present,
remove it using a lens cloth or lint-free cloth.
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General Maintenance - DO Sensor Port
It is important that the entire sensor connector end be dry when
installing, removing, or replacing. This will prevent water from entering
the port. Once a sensor is removed, examine the connector inside
the port. If any moisture is present, use compressed air to completely
dry the connector or place directly in front of a steady flow of fresh
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