LO-9-2350-247-12 Lubrication Order for M548A1 M548A3 M1015A1 Download
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LUBRICATION ORDER LO 9-2350-247-12 8 JULY 1994 (Supersedes LO 9-2350-247-12, March 1982) KEY EXPECTED REFILL LUBRICANTS TEMPERATURES* CAPACITY INTERVALS (APPROX) Above +40°F 0°F to to 32°F -10°F -65°F OE/HDO (MIL-L-2104C) LUBRICATING OIL, OE/ OE/ OEA AF - After OR OEA (MIL-L-46167) INTERNAL COMBUSTION HDO-30 HDO-10 S - 150 Hours, ENGINE 1,500 Miles Transfer Gearcase 2.5 qt. or Semi-annually Differential 18 qt. OC - On Condition For Arctic Operation Refer to FM 9-207 NOTES 1. TRANSFER GEARCASE (M548A1/M1015A1). After 2. DIFFERENTIAL (M548A1/M1015A1). After opera- operation, check transfer gearcase oil level for between tion, check differential oil level to make sure there is ADD and FULL marks on gauge rod. Add oil (OE/HDO) sufficient oil for warm-up operation. On carriers with old as necessary. Every 150 hours, 1,500 miles, or semi- style dipstick, add oil to differential if oil is below the letter annually, drain gearcase oil. Drain only when hot after "F" in the word “FULL.” Never add oil if level is above the operation. To drain, remove hull access cover (TM 9- Ietter "F". On M548A1 carriers, add oil only if level is 2350-247-20) and gearcase drain plug. Inspect oil being below safe range. Add oil (OE/HDO) as required. Every drained for metallic particles. If metal chips are found in 25 hours of operation or 30 days (whichever comes first), oil, notify direct support maintenance. Drain at least 15 obtain a sample of oil. Send the sample to the nearest minutes, clean and install gearcase drain plug. Fill trans- AOAP Laboratory. See TB 43-0106 for sampling instruc- fer gearcase with approximately 2 1/2 quarts of oil (OE/ tions. When AOAP Laboratory support is not available, HDO). Make sure gearcase filler cap is closed and drain differential every 150 hours, 1,500 miles, or semi- breather hole in gauge rod tube is open. Start engine: annually. Drain only when hot after operation. To drain, operate for 1 minute. Stop engine, and check oil level. remove front hull plug (TM 9-2350-247-20) and differen- Level should be between FULL and ADD marks on tial plug. Inspect differential drain plug for metallic par- gauge rod. INSTALL BOTTOM ACCESS COVER SE- ticles. If metal chips are found, notify direct support CURELY. maintenance. Clean and install drain plugs. Service oil filter. Remove gauge rod from housing, add oil (OE/ HDO) (refill with 18 quarts), and check level. Card 13 of 40