Unit Preventive Maintenance Checks and Services
Check for carbon or dirt buildup on impellers (1) and casing
port. If buildup is present, the turbocharger must be cleaned.
up on impellers.
Notify direct support maintenance.
Check for oil on impellers (1). The presence of oil indicates
Oil on impeller.
seal leaks. Oil seal leaks are caused by blocked air intake
ducts or damaged oil seals. If the air filter and intake ducts are
not blocked, the turbocharger oil seals must be replaced. Notify
general support maintenance.
Turn impellers (1) by hand. Impellers should turn freely. If im-
pellers scrape the casing wall, or if the impeller shaft binds, the
turbocharger must be replaced or repaired.
Replace coolant filter (1).
Class III leak.
Not Fully Mission