Navistar WorkStar Series User Manual

Operation
the shift selector places the transmission in “N” (Neutral) and
engages the park pawl (always use with the Parking brake).
NOTE: If you attempt to engage “P” position while vehicle is in
motion (1 mph, 2 km/hr) or higher, the park pawl mechanism will
ratchet, and will not hold the vehicle.
“PB” – Parking Brake. For the transmissions with the
Auto-Apply Parking Brake – “PB” position, selecting PB places
the transmission in “N” (Neutral) and automatically engages the
Air or Hydraulic parking brake.
CAUTION
Do not apply the parking brake with the vehicle
in motion. Transmission and/or driveline damage
can result. In the event of a dynamic brake apply,
recheck the torque of all brake mounting bolts to
verify the integrity of the mount.
CAUTION
Sustained use of the parking brake with the
engine running and the transmission in range can
cause an overheating failure of the transmission.
The instrument panel gauge cluster contains a
Parking Brake indicator that illuminates when
the ignition switch is “ON”, the parking brake
is applied, and the transmission selector is in
range.
Parking The Vehicle
The following WARNINGS provide the methods of parking the
vehicle using the various transmission shift selectors.
WARNING
To prevent sudden, unexpected vehicle
movement and property damage, personal
injury or death, always use the parking brake
IN ADDITION TO leaving the transmission in
gear.
To prevent sudden, unexpected vehicle
movement and possible property damage,
personal injury or death, perform the following:
• Bring the vehicle to a complete stop.
• Put transmission selector in “P” – Park Pawl, “PB” -
Auto Apply Parking Brake , or N – Neutral.
For the park pawl (P – Park) transmissions, slowly lift
foot from brake pedal to engage transmission park pawl
mechanism.
• Apply the parking brake (either lever or Parking Brake
dash control) and ensure that it is holding properly. (For
the“P”–ParkPawltransmissions,donotrelysolely
upon the parking mechanism of the transmission).
124 3879634R1

Navistar WorkStar Series Specifications

General

Brand	Navistar
Model	WorkStar Series
Category	Trucks
Language	English