TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download

Page 80 of 828

TM 9–2350–311–20–2 2–19 2–8.4 Lubricants and Military Symbols Lubricants are identified by standard military symbols in accordance with MIL–HDBK–113, MIL–HDBK–275, or MIL–HDBK–267, as applicable. Lubricants, along with their military symbols, required for unit maintenance are identified below. GAA Grease, Automotive and Artillery (MIL–G–10924) GMD Grease, Molybdenum Disulfide for Low and High Temperatures (MIL–G–21164) OHT Hydraulic Fluid, Petroleum Base, Preservative, Hydraulic Equipment (MIL–H–6083) 2–8.5 Leakage Definitions. Leakage definitions for PMCS shall be classified as follows: a. Class I. Seepage of fluid (as indicated by wetness or discoloration) not great enough to form drops. b. Class II. Leakage of fluid great enough to form drops but not enough to cause drops to drip from item being checked/ inspected. c. Class III. Leakage of fluid great enough to form drops that fall from the item being checked/inspected. 2–8.6 Lubrication Points Points that must be lubricated by unit maintenance, their required lubrication intervals, and the required lubricants are illus- trated below. The amount of lubricant required is given in the “Capacity” column of Table 2–1. Lubricant-Interval Interval-Lubricant Q GAA CAB RACE RING (See item 4) A OHT HYDRAULIC OIL, POWER PACK FIL- TER, AND MOUNT ASSEMBLY (See item 17) AOAP TEST CAB TRAVERSING RING GEAR AND TRAVERSING MECHANISM OUTPUT DRIVE GEAR GAA A TORQUE KEY AND GUN TUBE KEYWAY (See item 12) GMD or GAA 1500 RDS