TM 9-2350-247-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0128 00 NOTE For location of nearest AOAP Laboratory and complete information about AOAP, refer to TB 43-0106.  “Oil filters shall be serviced/cleaned/changed as applicable, when: (a) They are known to be contaminated, or clogged; (b) Service is recommended by AOAP Laboratory analysis, or (c) At prescribed hard time intervals.” LUBRICATION TABLES Lubrication intervals will be indicated by one of the following symbols: OC = AOAP On-Condition B = Before D = Daily AF = After W = Weekly M = Monthly S = 1,500 miles (2,400 km), Semi-annually AN = Annually The following tables are used during PMCS lubrication checks. Table 1. LUBRICATION SYMBOLS SYMBOL NOMENCLATURE SPECIFICATION FRH Hydraulic Fluid, Rust Inhibited, Fire Resistant MIL-H-46170 GAA Greas, Automotive and Artillery MIL-G-10924 OE/HDO Lubricating Oil, Internal Combustion Engine MIL-L-2104 OEA Lubricating Oil, Internal Combustion Engine MIL-L-46167 PE Preservation Oil MIL-L-21260 Table 2. LUBRICANT USAGE: ENGINE (M548A3) LUBRICANTS TO USE AT EXPECTED TEMPERATURES * COMPONENTS INTERVALS = AF, OC REFILL CAPACITY (APPROX) +5 F to +120 F (-15 C to +48.8 C) +40 F to -60 F (+5 C to -51.1 C) OE/HDO (MIL-L-2104) or OEA (MIL-L-46167) 18 qt. OE/HDO-15/40 OEA PE (MIL-L-21260) PE 30-1 * For Arctic Operation Refer to FM 9-207 0128 00-15