TM 5-4310-393-14TABLE 3-1. OPERATOR/CREW TROUBLESHOOTING PROCEDURES (CONTINUED).MALFUNCTION/SYMPTOMPROBABLE CAUSETEST OR INSPECTION/CORRECTIVE ACTION14 EXCESSIVE OIL CONSUMPTION.Check all cylindersReplace rings and pistons as required (see Chapter 6).15 INCORRECT OIL PRESSURE.Air trapped in oil pump.Vent oil pump and line (paragraph 3-14.1).Incorrect regulator setting.Reset (paragraph 3-14.1).Foreign material in regulator.Remove regulator. Clean and reset (paragraph 3-14.1).16. INCORRECT INTERSTAGE PRESSURE.Inlet or discharge valves in preceding stage malfunctioning.Repair or replace valves Refer to Unit Maintenance.Safety relief valves leaking.Replace safety valves.Piston in final stage binding in bushing.Check floating piston (see Chapter 6).3-13
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