MIL-PRF-46750E(AT)
TABLE IV. All forward ranges performance values - Continued.
Third
Item
First
Second
Fourth
Min. Max. Min. Max. Min. Max. Min. Max.
Steer clutch RH
1138
0
0
0
0
0
0
0
(165)
Steer clutch LH
1138
0
0
0
0
0
(165)
Cooler-in oil
116
127
116
127
116 127
116
127
temperature °C (°F)
(240)
(260)
(240)
(260)
(240) (260)
(240)
(260)
3.4.17 Brake and steer clutch performance. Brake and steer clutches shall function when
applied.
3.4.18 Valve movement. The steer valve shall move freely.
3.4.19 Leakage. After dynamometer operation, the transmission shall show no evidence
of a leak, drip, weep and seep (see 6.7).
3.4.20 Component performance.
3.4.20.1 Main assembly. The main assembly shall conform to performance requirements
as specified in 3.4.1 through 3.4.19.
3.4.20.2 Input transfer gear assembly. The input transfer gear assembly shall conform to
performance requirements in 3.4.1 through 3.4.3, inclusive, 3.4.5.1 through 3.4.5.3, inclusive,
3.4.9 and 3.4.19.
3.5 Interface requirements. Each transmission shall conform to the following inputs and
interfaces.
3.5.1 Interface and envelope dimensions. Transmission shall posses the requisite interface
and envelope dimensions necessary for satisfactory performance on the engines of the following
combat and tactical vehicles, the M107, M108, M109, M110, or the M578, as specified in the
contract or order (see 6.2 and 6.6).
3.6 Ownership and support requirements. Each transmission shall possess the following
life cycle ownership characteristics.
6
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