Table 2-2. Generator Set Troubleshooting (Cont) Malfunction 6. 7. 8. 9. 10. Engine runs but fails to reach  rated  speed. (Continued) Low oil pressure High  oil  pressure Engine lubricating oil consumption  high Engine noisy Probable  cause b. Lack  of  fuel. c. Defective  fuel  in- jection  pump. a. Defective  oil  pump. b. Worn  main  bearing. c. Defective oil regu- lating  valve  (oil pressure  below  45 psi). Defective oil regulating valve. (oil pressure above 45 psi) a. — b. c. a. b. c. d. e. f. g. h. Pistons, sleeves or rings worn or defective. Main  bearings  worn. Oil leaks at crank- shaft  seals Main  bearings  worn. Connecting  rod bearings  worn. Piston pins loose. Piston or rings broken. Timing gears worn. Crankshaft journals eccentric or out of round. Connecting  rods miss.lined. Incorrect  valve adjustment, Corrective  action c. — a. — b. — c. — b. Check fuel level. Replenish if necessary. (Operator and organ- izational maintenance manual). Inspect fuel injection pump. Re- pair or replace as required (para 14-44 and 14-45). Replace oil pump (para 14-65 thru 14-67). Replace main bearings (para 14-85 thru 14-87). Replace defective valve in cylinder block (para 14-78 and  14-87). Replace defective valve in cylinder block  (para  14-78  and  14-87). a. — b. — c. — a. — b. — c. — d. — e. Replace  pistons  and  rings  (para. 14-81  thru  14-83).  Replace cylinder  sleeve  (para  14-85 thru 14-87). Replace  main  bearings  (para 14-85  thru  14-87). Replace seal (para 14-85 thru 14-87). Replace if required (para 14-85 thru 14-87). Replace if required (para 14-81 thru 14-83). Replace the piston or rings (para 14-81 thru 14-83), Replace  pistons  or  rings (para 14-81 thru 14-83). Inspect gear fit and replace gears if required (para 14-72 thru 14-74). f. Inspect crankshaft and repair or replace (para 14-85 thru 14- 87). g. Realine connecting rods (para 14-82). h. Check valve adjustment. Adjust valves (Operator and Organizationl  Maintenance Manual). 2-12