In-Situ Rugged TROLL 100/200 Operators Manual - Manual (Page 39)

800-446-7488 39 www.in-situ.com
Maintenance, Cleaning, and Storage
O-ring Inspection and Replacement
Examine O-rings for wear, dryness, discoloration, stretching, cracks, nicks, and
brittleness. Replace when any of these conditions are present. Replacing O-rings on a
regular schedule, regardless of O-ring condition, is the best way to protect against
damage.
Perform the following steps to replace an O-ring.
1. Remove and discard the damaged O-ring.
2. Use a clean, dry, soft cloth to clean the O-ring groove to remove dirt or residue.
3. Lubricate the new O-ring using high-vacuum grease.
a. Wash your hands thoroughly.
b. Apply a small amount of grease to the pad of your index finger, and
rub your index finger and thumb together to spread the grease
evenly.
c. Inspect the new O-ring and remove any debris stuck to it.
d. Rub your fingers around the O-ring until there is a thin layer of
grease on the entire O-ring.
4. Install the O-ring in the groove and remove any excess lubricant with a clean cloth.
Do not allow water or lubricant to enter the connector.
Cleaning the Instrument
Clean the instrument body with water and a soft brush or plastic scouring pad, or soak
overnight in a mild acidic solution, such as household vinegar. NEVER submerge the
connector portion of the instrument when it is not connected to a cable.
If the ports near the pressure sensor are clogged with silt or mud, try the following
procedures.
l
Agitate the instrument vigorously in a bucket of clean water.
l
Apply a gentle rinse of water from a wash bottle.
Do not attempt to remove material from the instrument by tapping the instrument against
a surface. You void the instrument's warranty by inserting anything into the
sensor opening. If contamination cannot be removed using the recommendations
above, please contact In-Situ Inc. for cleaning.