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Paccar Peterbilt 587 - Interaxle Differential Lock Switch; Two-Speed Rear Axle (Range) Switch

Paccar Peterbilt 587
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DASH-MOUNTED FEATURES PART 4: CONTROLS AND DISPLAYS
– 50 – Y53-6032 (R05/10)
WARNING! Using the engine brake when
operating on surfaces with poor traction
(such as wet or icy, slippery roads or gravel)
could cause an accident involving death or
personal injury.
Two-Speed Rear Axle (Range) Switch
If your vehicle is equipped with a two-speed rear axle, you
can select the axle range by the dash mounted switch
shown above.
The low range provides maximum torque for operating
off-highway.
The high range is a faster ratio for highway speeds.
For information on how to operate your two-speed rear
axle properly and safely, see “PART 7: STARTING &
OPERATING THE VEHICLE”.
Interaxle Differential Lock Switch
The interaxle differential allows differential action between
the forward rear and the rear rear driving axles. The inter-
axle differential lock switch allows the operator to LOCK or
UNLOCK the differential. The guard over this switch pre-
vents you from accidentally activating the lock. See “Inter-
axle Differential” on page 101 for more information on
using your interaxle differential.
03030
2
SHIFT AT ANY SPEED EXCEPT
IF A WHEEL IS SPINNING
03029
Y53-6032.book Page 50 Monday, May 24, 2010 3:37 PM

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