New Holland Workmaster 25 Tier 4B, Operator'S Manual

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3 - CONTROLS AND INSTRUMENTS
Differential lock pedal
WARNING
Steering is difficult with the differential lock engaged. An accident could result.
During field operation, use the differential lock for traction improvement but release for turning at row
end. Do not drive at high speeds or on roads with the differential lock engaged.
Failure to comply could result in death or serious injury.
W0292A
The differential lock pedal is located on the left-hand foot
platform
(1) on hydrostatic transmission models and on
the right-hand foot platform (2) on mechanical transmis-
sion models. The differential lock is used to obtain addi-
tional traction in wet or loose soil.
When the differential lock pedal is depressed, power is
split evenly between the two rear wheels. Whenever one
wheel begins to slip in wet or loose soil, use the lock to
obtain additional traction from the opposite wheel.
To operate the differential lock, depress and hold the
pedal down until the lock is positively engaged. It is best
to engage the lock while the wheels are turning slowly to
minimize shock loads to the drive-line. If a wheel spins at
high speed, such as on ice, reduce engine speed to idle
before engaging the lock or damage may result. Release
the pedal to disengage the differential lock.
NOTE: In some instances, the lock may remain engaged
after the pedal is released. This can occur if one rear
wheel is turning at a faster speed than the other. The lock
can be disengaged in one of two ways if this occurs:
• Decrease the drawbar pull by raising or disengaging the
implement so that neither wheel tends to slip.
• Depress the clutch pedal and rapidly apply and release
a light braking load to the wheel with less traction.
NHIL12CT00687AA
1
NHIL13CT00039AA
2
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