Adjustment: Differential Lock Linkage - Cub Cadet 6X4 Shop Handbook

Chapter 3 - Drive System: Drive Shafts and Differentials
5b. A cam/roller type over-running clutch
within the differential provides a limited
slip feature between the two front wheels.
5.3. Each differential transfers power to the drive
hubs through a drive shaft with Rzeppa-type
constant velocity joints at each end.
See Figure 3.4.
Figure 3.4
DRIVE SYSTEM: SERVICE INTENT
1. The transfer case is manufactured by Cub
Cadet. If it fails during the first two years, it
should be removed and replaced as a complete
unit.
• In the event of a failure, the transfer case will be
called back for engineering analysis.
• If the failure is warrantable, Cub Cadet will cover
the cost of replacement.
• If the failure is not warrantable, replacement will
be at the customer's expense.
• Beyond the warranty period, internal parts will be
made available so that the dealer can repair or
replace the transfer case at their own discretion.
2. The remainder of the drive system (CVT, drive
shafts, axles, differentials) is purchased from
outside vendors.
• If any of these items fail in the first two years,
they should be removed and replaced with a
complete unit. The only exception to this may be
the axles. Rzeppa (Constant Velocity) joints
may be available to repair rather than replace
axles. Service intent has not been decided as
this manual goes to print.
• In the event of a failure, the component will be
called back for engineering analysis and vendor
recovery.
• If the failure is warrantable, Cub Cadet will cover
the cost of replacement.
• If the failure is not warrantable, replacement will
be at the customer's expense.
• Beyond the warranty period, internal parts for
the differentials will be made available so that
the dealer can repair or replace them at their
own discretion.

ADJUSTMENT: DIFFERENTIAL LOCK LINKAGE

1. The differential lock lever (located next to the
Hurst gear selector lever) operates on the rear
axle only:
• When engaged, the rear drive wheels are locked
together, eliminating differential action.
• When engaged, the differential lock improves
rear wheel traction at the expense of steering
response.
2. Proper use and operational behavior:
• The operator should only engage the differential
lock when the vehicle is stationary
• Engaging the differential lock when there is great
disparity in the speed of the two rear tires will
cause immediate and severe damage to the rear
differential by shock-fracturing the differential
lock. This type of damage is readily apparent. It
is considered to be customer abuse, and is not
warrantable.
• For safest handling, the differential lock should
be used only as required for traction, then disen-
gaged.
• When the differential lock control lever is moved
to the disengaged position, the lock may remain
engaged until the drive load between the two
rear wheels equalizes, relaxing the load on the
lock mechanism. For example, if one wheel has
poor traction, or the vehicle is going around a
turn, the lock may not actually disengage until
the vehicle is stopped or driven in a straight line
on a surface that provides good traction.
3. To check the differential lock, lift and support the
rear of the vehicle in a safe manner.
CAUTION: Engagement of the 4-wheel drive
system (4X4 rocker switch located on the dash-
board) with the engine running and the rear
wheels lifted may cause an accident.
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