OPERATING PROCEDURES TMS9000-2 OPERATOR MANUAL
4-30
Published 02-21-2019, Control # 611-05
• A shift can be advanced by pressing the up/down
buttons when the transmission is near the shift point.
• The transmission may also deny a shift while ascending
or descending grades if the load of the vehicle, and
grade of the terrain in combination with the drivetrain
ratio and engine torque will fall outside of the acceptable
range to perform a shift. If the shift is denied it will sound
a tone.
NOTE: Multiple gear upshifts and downshifts may be
allowed when the shift buttons are pushed multiple
times (Each button push equals one gear change
request).
NOTE: If the driver attempts to select a non-neutral mode
without depressing the service brakes the
transmission will not shift into gear and the driver
will have to return to Neutral and depress the
brakes before selecting the desired mode again.
MANUAL Mode
MANUAL mode should be used whenever the driver wants
to select the shifts instead of letting the transmission select
them automatically. For example, when the driver is moving
around the yard, over railroad tracks, or on steep grades.
• Driver manually selects the start gear and uses the up/
down buttons to shift (see Note).
• System holds current gear unless otherwise prompted
by using up / down-shift buttons, except for the
“Transmission Override” conditions noted below.
NOTE: Multiple gear upshifts and downshifts may be
allowed when the shift buttons are pushed multiple
times (Each button push equals one gear change
request).
NOTE: For optimal vehicle performance, it is
recommended the vehicle be operated in “D” Drive
mode.
MANUAL / Hold Mode
• The ability to restrict driver use of MANUAL mode is
configurable. The default setting for this configuration is
“Disabled” which allows standard MANUAL mode
operation in all gears.
• When configured the MANUAL mode becomes a Hold
gear function only (i.e. up/down buttons have no effect).
In addition, provides an alert tone every 10 seconds.
• If the driver has selected MANUAL mode, and the
transmission is in a gear equal to or greater than the
configured Hold Gear; the transmission will remain in the
current gear, up/down buttons are disabled (except for
“Transmission Override” conditions).
• Gears lower than the configured hold gear will allow
standard MANUAL mode operation.
• The system will automatically shift or inhibit shifts to
prevent over-speed or under-speed of the engine.
• The transmission may also deny a shift while ascending
or descending grades if the load of the vehicle, and
grade of the terrain in combination with the drivetrain
ratio and engine torque will fall outside of the acceptable
range to perform a shift. If the shift is denied it will sound
a tone.
Transmission Manual Override
• If the vehicle is being back driven and the engine is
approaching a higher than normal level, the
transmission system will override the MANUAL position
and perform an upshift.
• If the start gear is changed and it causes the engine to
lug at takeoff, the transmission system will override the
MANUAL position and select the best available gear.
NOTE: If the driver attempts to select a non-neutral mode
without depressing the service brakes the
transmission will not shift into gear and the driver
will have to return to Neutral and depress the
brakes before selecting the desired mode again.
CAUTION
Prior to ascending a steep grade the driver should reduce
default start gear by one or ensure full throttle is applied
for the duration of the grade so the vehicle maintains the
proper engine and vehicle speed during the entire grade.
Driver can button down by using the down arrow on the
shift lever.
CAUTION
If the driver depresses and holds both pedals (even if
done accidentally) the launch will be abrupt and the
engine and brake forces may rock and bounce the
vehicle. Releasing either pedal will stop this immediately.
CAUTION
The transmission initiates upshifts from MANUAL and
LOW for engine over speed protection. Some engines do
not use the Eaton engine overspeed protection.
CAUTION
If the driver depresses and holds both pedals (even if
done accidentally) the launch will be abrupt and the
engine and brake forces may rock and bounce the
vehicle. Releasing either pedal will stop this immediately.
To Next Page
Loading...
