Using The Differential Lock; Four-Wheel Drive - Toro 07213TC Operator's Manual

Liquid-cooled diesel utility vehicle
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wide by 165 cm long and can hold up to 746 kg of
evenly distributed cargo.
Loads vary in how they are distributed. Sand spreads
out evenly and quite low. Other items, such as bricks,
fertilizer or landscape timbers, stack higher in the box.
The height and weight of the load has a significant
influence on tip overs. The higher a load is stacked,
the more likely the vehicle is to tip over. You may find
that 746 kg stacks too high for safe operation.
Reducing the total weight is one way to reduce the risk
of a tip over. Distributing the load as low as possible is
another way to reduce the risk of a tip over.
If the load is positioned toward one of the sides, it will
make the vehicle much more likely to tip over on that
side. This is especially true when turning if the load is
on the outside of the turn.
Never position heavy loads behind the rear axle. If the
load is positioned so far to the rear that it is behind the
rear axle, it will reduce the weight on the front wheels
and this will reduce steering traction. With the load all
the way to the back, the front wheels can even come
off of the ground when going over bumps or up a hill.
This will result in a loss of steering and may lead to
the vehicle tipping over.
As a general rule, position the weight of the load
evenly from front to rear and evenly from side to side.
If a load is not secured, or you are transporting a liquid
in a large container such as a sprayer, it can shift. This
shifting happens most often while turning, going up or
down hills, suddenly changing speeds or while driving
over rough surfaces. Shifting loads can lead to tip
overs. Always secure loads so that they do not shift.
Never dump the load while the vehicle is sideways on
the hill.
Heavy loads increase stopping distance and reduce
your ability to turn quickly without tipping over.
The rear cargo space is intended for load carrying
purposes only, not for passengers.

Using the Differential Lock

The differential lock increases the vehicle's traction by
locking the rear wheels so one wheel will not spin out.
This can help when you have heavy loads to haul on
wet turf or slippery areas, going up hills and on sandy
surfaces. It is important to remember however, that
this extra traction is only for temporary limited use. Its
use does not replace the safe operation, already
discussed concerning steep hills and heavy loads.
The differential lock causes the rear wheels to spin at
the same speed. When using differential lock your
ability to make sharp turns is somewhat restricted and
may scuff the turf. Use the differential lock only when
needed, at slower speeds and only in first or second
gear.
Tipping or rolling the vehicle on a hill will cause
serious injury.
The extra traction available with the differential
lock can be enough to get you into dangerous
situations such as climbing slopes that are too
steep to turn around. Be extra careful when
operating with the differential lock on,
especially on steeper slopes.
If the differential lock is on when making a
sharp turn at a higher speed and inside rear
wheel lifts off the ground, there may be a loss of
control that could cause vehicle to skid (Refer
to section on Using the Differential Lock, p. 30).
Use the differential lock only at slower speeds.

Four-Wheel Drive

Four-Wheel Drive Model Only
The "Automatic on Demand" four-wheel drive feature,
on this vehicle, does not require operator activation.
The front wheel drive is not engaged (no power
delivered to front wheels) until the rear wheels begin
to lose traction. The bi-directional clutch senses the
rear wheels slipping, engages the front wheel drive
and delivers power to the front wheels. The four-wheel
drive system continues to deliver power to the front
wheels until the rear wheels have enough traction to
move the vehicle without slipping. Once this occurs,
the system stops delivering power to the front wheels
and the handling characteristics become similar to that
of a two-wheel drive vehicle. The four-wheel drive
system functions in both forward and reverse,
however, when turning the rear wheels will slip
slightly more before power is delivered to the front
30
WARNING

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