The shoreline pump is a large pump that sends crude from an offshore platform to a processing facility on land. It consists of a Gas engine driver Cat G399, a Western 8110MS speed increaser gearbox and a 5 stage IR pump. Very high vibration (0.78 ips peak), was detected in the horizontal...
Routine vibraton readings were taken on a caterpillar G398 engine generator set. This unit runs at a constant speed of 1200 rpm. An increase of over 100% in the overall amplitude of vibration was detected for a reading on the outboard axial (non drive end radiator/fan side) of the engine...
The main bearings #1 and #2 of a G399 Cat engine failed after 17000 hrs. The inboard crankshaft seal was leaking for a long time prior to failure and heavily at the time of failure. The failed bearing closest to the seal showed the most damage and indicated metal to metal contact. The #2 bearing...