StreamPro ADCP Operation Manual - global site

StreamPro ADCP Operation Manuald. Lubricate the O-ring with a thin coat of silicone lubricant. Apply thelubricant using latex gloves. Do not let loose fibers or lint stick to theO-ring. Fibers can provide a leakage path.NOTE. TRDI uses Dow Corning’s silicone lube model number 111 but anytype of silicone O-ring lube can be used.CAUTION. Apply a very thin coat of silicone lube on the O-ring. Usingtoo much silicone lube on the O-ring can be more harmful than using noO-ring lube at all.8.6.2 Battery Compartment O-Ring Inspection & ReplacementThe battery compartment O-ring is normally held in place because thegroove it sits in is dovetailed. Should the O-ring ever fall out or it appearsdry or hard, replace it. Replace the Battery Compartment O-Ring by doingthe following.a. Turn the power switch OFF.b. Remove the solar shield by loosing the four thumbscrews.c. Open the battery compartment door by loosening the thumbscrew.d. Inspect the O-ring. When viewed with an unaided eye, the O-ring mustbe free of cuts, indentations, abrasions, foreign matter, and flow marks.The O-ring must be smooth and uniform in appearance. Defects mustbe less then 0.1 mm (0.004 in.).CAUTION. If the O-ring appears compressed from prior use, replace it.Weak or damaged O-rings will cause the StreamPro to flood.e. Clean and inspect the O-ring groove and the surface around the O-ring.Be sure the groove is free of foreign matter, scratches, indentations, corrosion,and pitting. Run your fingernail across damaged areas. If youcannot feel the defect, the damage may be minor; otherwise, the damagemay need repair. Clean the battery cover plate with a lint free cloth.CAUTION. Check the O-ring groove thoroughly. Any foreign matter inthe O-ring groove will cause the StreamPro to flood.f. Lubricate the O-ring with a thin coat of silicone lubricant. Apply thelubricant using latex gloves. Do not let loose fibers or lint stick to theO-ring. Fibers can provide a leakage path.NOTE. TRDI uses Dow Corning’s silicone lube model number 111 but anytype of silicone O-ring lube can be used.page 24Teledyne RD Instruments