ARMY TM 5-5420-212-10-1 MARINE CORPS TM 08676A-10/1-1 Section I.  LUBRICATION 8-1. OPERATOR LUBRICATION a. Keep all lubricants in closed containers and store in a clean, dry place away from external heat.  Do not allow dust, dirt or other foreign material to mix with lubricants.  Keep all lubrication equipment clean and ready for use. b. Keep all external parts not requiring lubrication clean of lubricants.  Before lubricating components, wipe all points  to  be  lubricated  free  of  dirt  and  grease.    Clean  all  lubrication  points  after  lubricating,  to  prevent  accumulation  of foreign material. c. Apply a light coat of oil MIL-L-7870A (2, Appendix D) to components to be kept in storage. d. Store hydraulic jacks in an upright position. e. Lubricate components as specified in Table 8-1. TABLE 8-1.  Operator Lubrication Table COMPONENT LUBRICANT INTERVAL REMARKS Shoot bolt Grease, MIL-G10924 Every six months. Apply light coat.  Wipe off (Bottom Panel) excess with clean dry cloth. Pins, chains (Launching Lubricating oil, Every six months. Apply light coat.  Wipe off Nose Cross Girder and MIL-L-7870A excess with clean dry Adjustable Support) cloth. Hydraulic jack Lubricating oil, Before use. Check oil level and fill. (15T & 20T) MIL-L-7870A Check filler plug air vents. Check and clean ram wiper seal. Clean between quadrant and jack body. Every month. Oil ram. Leveling screws Grease, MIL-G10924 Every six months. Apply light coat.  Wipe off (Adjustable Support and excess with clean dry Davits) cloth. Section II.  TROUBLESHOOTING 8-2. OPERATOR TROUBLESHOOTING PROCEDURES a. Table 8-2 lists the common malfunctions which may be found during the operation or maintenance of MGB or its components.  The tests/inspections and corrective action should be performed in the order listed. b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions.  If a malfunction is not listed or it is not corrected by listed actions, notify the supervisor. c. Be sure that Preventive Maintenance Checks and Services has been applied before troubleshooting (para 2- 2). d. The Symptom Index is to assist the operator in locating the troubleshooting procedures in Table 8-2. 8-2