Zetor HORTUS HS Series, Operator'S Manual

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Description
General Construction
The transmission case, clutch, clutch housing, engine and front axles are bolted together to form a complete
unit.
Front Axle & Wheels
The front 4WD axle is the center pin axle. The front-wheel drive mechanism is a part of the axle.
Front wheel drive power is taken from the rear transmission gearbox and is transmitted to the differential in
the front axle, where the power is divided into right and left, and the respective final gears.
In the final gears, the transmitted revolutions are reduced by means of the bevel gears to the front wheel
drive. The 4WD bevel gear mechanism provides a wider steering angle and extended durability.
Engine
The tractors are fitted with fuel efficient Turbo charged engines with 4 cylinders of HORTUS HS65 designed
by DEUTZ Engines Company.
Clutch and transmission
A single-disc dry clutch (diameter 11.81') is used on these tractors. The tractor with IPTO (independent rear
Power Take-Off) is equipped with a hydraulic clutch assembly. The HORTUS HS65 transmission gear box
has 24 forward and 24 reverse speeds in two high / low groups. At present, Zetor tractors are equipped with
synchro mesh type gears.
Brakes
Zetor tractors are provided with independent disc brakes operated by two road travel. Hand brake lever is
fitted for parking.
Rear axle & wheels
The rear axle is mounted on ball bearings which are bolted to the transmission case through housings. The
rims and disc with rear tires are bolted to the outer flange of the rear axle.
Hydraulic System & Linkages
Zetor tractors are fitted with live (i.e. system is in operation even when clutch is disengaged.) independent,
very touch of hydraulic System. Three point linkages can be used for category 2 type of implements.
Steering
It consists of a hydraulic cylinder and a tandem hydraulic pump.
Electrical System
A 12V lead acid propylene battery is used to start the engine, as well as to power the electrical system
including horn, front headlights, side turn signal lights, attachment lighting, brake light, instrument panel
lighting and warning lights. The fuse box is a part of the electrical system.
Warning:
When operating the tractor at high speed, do not attempt to make sharp turns by
using the brakes. This may result in overturning of the tractor causing serious injury or death.
GENERAL INFORMATION
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