+5F to +120F
+40F to -60F
40 qt. or
AF - After
OR OEA (MIL-L-46167)
S - Semi-annual
AN - Annually or
(See Note 11)
OC - On Condition
For Arctic Operation Refer to FM 9-207
1. TRANSMISSION OIL FILL. OE/HDO 15/40 MUST
5. HARD TIME INTERVAL. If AOAP Laboratory is
not available, every 1,500 miles or annually, drain oil,
change filter. Hard time interval may be shortened if
you are operating the equipment under adverse
2. A complete oil and filter change is required when
converting to a different grade of oil in accordance with
Temperature Key Chart.
6. TRANSMISSION OIL FILTER. Replace filter
element and packings each time a transmission oil
change is required. When AOAP Laboratory support
Transmission can be damaged when filled above
is not available, change transmission oil filter annually,
or every 1,500 miles, or when transmission differential
pressure light comes on (filter clogged).
3. TRANSMISSION OIL LEVEL. After operation,
check transmission oil level. Oil level should be at
7. OIL FILTER REMOVAL AND INSTALLATION
FULL mark on gauge rod. When oil is warm, oil level
INSTRUCTIONS (TM 9-2350-247-20).
should be at or just above ADD mark on gauge rod.
days, obtain a sample of transmission oil. Samples
should be taken as near the prescribed interval as
possible. If sampling at the prescribed interval is not
possible, a 10 percent variance is permissible.
Card 8 of 40