Fuel System/MICO In-line Fuel Injection Pump SERVICE INJECTION PUMP OVERFLOW VALVE (IN-LINE INJECTION PUMP) The overflow valve (A) cannot be adjusted. Replace valve in case of leakage or bad operation. CD30730 -UN-23FEB99 CD,3274,G40,83 -19-04JAN99 40 41 CTM3274 (01JUL99) 40-41 Saran Liter Engines 060799 PN=286