TM 9-2320-363-10
2-15. OPERATE TRANSMISSION (Con’t).
Do not allow truck to coast in Neutral (N). This can result
in severe transmission damage and engine braking is
not available.
(2)
Neutral (N). Neutral (N) is normal transmission position when
vehicle is not in use. Use this gear to start engine.
(3)
Drive (D). When placed in Drive (D), the transmission starts
out in 1st gear and automatically progresses to 4th gear. During slowdown, transmis-
sion automatically downshifts.
(4)
Gears 2 and 3. Use 2nd or 3rd gears when road, load, or
traffic conditions make it preferable to use lower gears. When conditions improve,
return to Drive (D).
(5)
Gear 1. 1st gear is the low gear used for pulling through mud,
snow, or going up steep grades. This position also offers maximum engine braking
power.
b .
Operation.
(1)
Depress brake pedal and hold.
(2)
Release parking brake (paragraph 2-2).
(3)
Move transmission selector lever to desired gear.
2-16. OPERATE TRANSFER CASE (ALL EXCEPT M915A2).
a.
General. Vehicle must be stopped completely and transmission
must be in Neutral (N) position before transfer case can be shifted into position.
(1)
High. High is the normal operating position.
(2)
Neutral (N). Neutral (N) is the normal position when vehicle
is not in use. Vehicle will not move if transfer case is in Neutral (N).
(3)
Low. Low engages all-wheel drive which is normally used
when transmission gear selection is other than Drive (D).
b.
Operation.
(1)
Stop vehicle and place transmission in Neutral (N) position.
2-88
