TA3H, TA3SH & TA3.5SH Page 4 - 3
4. Description
(3) Chassis
The chassis is of the two part articulating type having a centre pivot which articulates in both
vertical and horizontal planes. Front and rear axles are bolted directly to the chassis.
(4) Steering
Steering of the dumper is by an ‘Orbitrol’ hydrostatic steering unit, that powers a single ram
connecting the front and rear chassis units.The steering unit is operated by a conventional
steering wheel.
The steering wheel is fitted with a “spinner” knob to aid low speed manoeuvring on the worksite.
Under no circumstances must the knob be used to control the machine when it is used on the
public highway. If possible the knob should be removed from the steering wheel before highway
travel.
In the event of hydraulic failure the steering will still operate but under these circumstances
steering wheel loads are high and the dumper must only be driven at slow speeds.
(5) Transmission
Power is transmitted to the wheels by means of an hydrostatic drive to a conventional mechanical
transfer box and axles.
Because the machine has hydrostatic drive and will not “free wheel” as with a conventional
gearbox the transmission pumps free wheel facility must be engaged before the machine is
towed. Failure to do this will cause serious damage to the machine
(6) Brakes
The vehicle braking is provided by means of totally enclosed oil immersed brakes located within
the front axle
These brakes are self adjusting sintered multi-plate discs which are hydraulically operated. A
separate mechanically operated parking brake is fitted.
(7) Electrical System
A 12 volt negative earth electrical system is fitted. All models use a belt driven alternator to
charge the battery. Machines are available with full lighting when specified to comply with current
road traffic regulations.
(8) ROPS
Machines are fitted with a ROPS (Roll Over Protective Structure) to protect the operator in the
event the machine overturns.
bWARNING
Use of a steering wheel knob when travelling on the public highway is illegal and strictly
prohibited. Its use at travelling speeds may cause accidents leading to serious injury or even
death.
NOTICE
Place Hydrostatic Drive In “Freewheel” Before Towing Dumper. Failure To Do So Will Cause
Serious Damage
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