LO-9-2350-247-12
CARRIER, CARGO TRACKED, 6-TON: M548A1 AND M548A3; CARRIER, ELECTRONIC WARFARE SYSTEMS, TRACKED, 6-TON: M1015A1
LUBRICATION ORDER
JULY 1994
LO-9-2350-247-12 - Page 13 of 43
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
t o
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
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