Eaton RTX-12510, Service Manual

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General Instructions
The shift through neutral is important only on the first
shift made after the control button is moved. Subsequent
shifts through neutral will not activate the automatic range
shift until the control button is moved once more.
When necessary to slow or
,..
stop the vehicle, shift
down through the individ-
ual short steps, allowing
the compression of the en-
gine to slow the vehicle.
The life of chassis and
trailer brakes can thus be
prolonged.
When slowing the vehicle, it is also permissible to coast in
high range with the clutch disengaged. The shift to low
range, however, should not be made until it is necessary to
accelerate the vehicle once more.
Shifts will be fast and short as the gear shift lever stroke is
2% inches between positions. Conical engagement teeth are
standard on these transmissions,
gear clashing. Gear ratios average
steps. thus helping to eliminate
26 per cent between ratio
Skip Shifting
After becoming proficient in shifting this transmission, the
operator may wish to skip some of the gear ratios to offset
a particular Operating con-
dition.
Skip shifting can be
done when upshifting pro-
viding the range control
button is pulled up to the
high range position before
making any shift which
passes fifth speed.
Skip shifting is also pos-
sible during downshifting
providing the range con-
trol button is pushed
down to the low range
Precautions
To protect the transmission from abuse, the following pre-
cautions should be observed when shifting the vehicle:
1. Do not attempt to shift
from high range to low
range at high vehicle
speeds.
This downward
range shift should be made
only at a road speed equal
to that provided by fifth
2.
or a
lower gear at governed
engine speed.
Do not attempt to make any range shifts either up or
down when the vehicle is moving in reverse. Stay in the
range originally selected.
A mylar shift diagram is furnished with each transmission
should be installed on the vehicle dashboard. If it has been mis-
placed,
new m shift diagrams can be purchased from the
Service t, Transmission Division, Eaton Corporation,
Kalamazoo, Michigan.
position before making any shift which passes sixth speed.
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