Kenworth T410, Driver'S Handbook Manual

Page: 166 / 418

Page 140 CAT: 8612 November 2019
OPERATING INSTRUCTIONS
ULTRASHIFT PLUS FEATURES
Proper Starting Gear
Choose a starting gear appropriate for the load and grade conditions while
at a stop in DRIVE and MANUAL modes by using the up/downshift request
procedure. Refer to DRIVE Mode (page 135) for detailed information.
Skip Shifting
• When appropriate, the transmission system may skip shift in DRIVE
Mode.
• Skip shifts can be performed in MANUAL Mode by pressing the up/
down buttons providing the current conditions like load and grade
allow this condition.
Multiple gear up/downshifts may be performed by using the up/downshift
procedure more than once.
Clutch Protection
• This vehicle uses an automated clutch for launching the vehicle;
however the clutch can still overheat and slip with improper use.
• DO select the lowest possible start gear for the application. If
moving slowly is require, select 1
st
or R1 .
• DO use Creep mode when appropriate.
• DO use the Service Brakes and let Hill Start Aid assist when
launching on an incline.
• DO minimize the time it takes to engage the clutch from rest.
• Do NOT use the throttle to hold the vehicle on an incline. (Use
Service Brakes).
• Do NOT use the throttle to stop roll back on an incline after Hill Start
Aid disengages. (Use Service Brakes and then relaunch).
• Do NOT continually start and stop, especially when loaded (use a
lower gear or Creep mode).
• If the automated clutch does start to overheat, the display will
show
CA
along with a warning tone. Full clutch actuation must be
completed quickly. If the abuse continues, the system will open
the clutch and take away throttle control for a short period of time
to allow the clutch to cool down.
Repeated incidents of clutch abuse may cause the clutch to fail and render
the truck immobile, resulting in extended down time.