• Oil Hard to adjust valves
• Tight packing

Oil degrades over a period of time. Sludge and acids are by-products of degraded oil. Dark color and foul odors are also indicators. A small one-time-use kit called a total acid number test will determine if the oil has degraded beyond use. TAN numbers greater than 0.7, indicate the oil should be replaced. (Tank replacement)

** All manufacturer names used in this online catalog are for identification purposes only.  By including names on this online catalog, GCI does not imply sponsorship, endorsement, affiliation or association with or by any manufacturer.