ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 TABLE 3-2.  Troubleshooting - Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 3.  Check for short in charging circuit. If shorted, repair charging circuit.  Refer to end item maintenance manual. Section III.  GENERAL MAINTENANCE 3-3.  GENERAL. This section provides general maintenance not found in other sections of Chapter 3. 3-3.1.  General Instructions. Warning Where applicable, prior to performing engine maintenance, ensure batteries are disconnected to prevent serious injury or death. NOTE Refer to end item maintenance manual for removal of any components necessary to gain access to engine. a. It is strongly recommended that bolts or nuts securing cylinder heads, covers, and doors be tightened in proper sequence. b. When  assembling  an  engine,  it  is  always  advisable  to  replace  nuts,  bolts,  and  lockwashers  that  have  been removed  from  high  stress  locations,  in  particular  nuts  and  or  bolts  from  connecting  rods  and  cylinder  heads should be replaced. c. When assembling an engine it is always advisable to apply a small quantity of new engine lubricating oil (MIL-L- 2104) to all moving parts.  After any maintenance work on engine has been completed lubricating oil and fuel levels must be checked and all safety guards installed before operating. d. When a new fan drive belt has been installed, check belt tension after first 20 hours of operation. e. Wear protective overalls, and keep items of loose clothing clear of all hot and moving parts. f. Whenever possible, clean components and surrounding area before removing or disassembling.  Take care to exclude all dirt and debris from fuel injection equipment while it is being serviced. g. Some parts are cemented with gasket compound with others being dry.  Before assembly, remove all traces of old  gasket  and  compound.    Take  extreme  care  to  exclude  dirt  from  all  gasket  surfaces  and  gasket  compound from all tapped holes unless otherwise specified. h. It  is  recommended  that  all  oil  seals  are  replaced  once  they  have  been  removed  from  their  original  position. Seals  must  be  installed  square  in  housing  and  all  lip  seals  must  be  installed  with  lip  facing  lubricant  to  be retained. A service tool should be used to install all oil seals and care must be taken to prevent damaging new seal when it passes over shafts. 3-15