Interaxle Lock, Tandem Axles
The interaxle lock (axle lock, interaxle differential
lockout) feature causes the drive axle shafts to rotate
together, and is recommended for use under adverse
road conditions where greater traction is needed.
When engaged, the interaxle lock essentially makes
the driveshaft a solid connection between the drive
axles. Power entering the forward axle is transmitted
straight through to the rearmost axle(s). Driveline
torque is now delivered equally and the drive axles,
and wheels, turn together at the same speed. The
interaxle lock increases drivetrain and tire wear and
should be used only when improved traction is
required.
A status screen showing engaged locks is found in
the vehicle operations menus on the driver display.
See
Interaxle Lock Switch
The interaxle lock switch (see
) allows the
driver to lock the drive axles together.
Interaxle Lock Operation
NOTICE
The interaxle lock should not be engaged on a
vehicle with obviously spinning wheels. Engage-
ment at high speed or power can damage the
axle(s).
NOTE: If the interaxle lock is engaged when the
engine is turned off, the interaxle lock will disen-
gage.
1.
With the engine running, press the upper half of
the interaxle lock switch to engage the interaxle
lock. Do not wait until traction is lost and the tires
are spinning before engaging the interaxle lock.
2.
If the vehicle is moving, briefly let up on the ac-
celerator until the interaxle lock engages. An indi-
cator light on the interaxle lock switch illuminates
when the lock is engaged. Depending on the ve-
hicle configuration, a buzzer may also sound.
f611458
04/30/2020
Fig. 19.1, Interaxle and Differential Locks Status Screen
f611344
09/15/2016
DIFF
LOCK
FWD
DIFF
REAR
DIFF
INTR
AXLE
DIFF
LOCK
LIFT
AXLE
LOCK
UNLOCK
LOCK
UNLOCK
LOCK
UNLOCK
LOCK
UNLOCK
LOCK
UNLOCK
LOWER
RAISE
4
5
6
1
2
3
1.
Interaxle Lock Switch
2.
Forward Drive Axle Differential Lock Switch
3.
Rear Drive Axle Differential Lock Switch
4.
Differential Lock Switch, 6X4
5.
Differential Lock Switch, 4X2
6.
Lift Axle Switch
Fig. 19.2, Axle Switches
Drive Axles
19.1
Содержание Freightliner Cascadia 2021
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