KUHN HR303D, Руководство оператора

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Putting into service
Power harrows
HR303D/M
27
$ PUTTING INTO SERVICE
1. Coupling and uncoupling
Description of coupling elements
Category 2 linkage
- 2 hitch pins diameter 28 mm (1.10’’) for the lower link
arms.
- A top link hitch pin diameter 25 mm (0.98’’).
- A PTO shaft.
Preparing the tractor
The machine adapts to tractors fitted with a 3-point hitch
coupler category 2 or 3.
The tractor PTO stub must rotate at a nominal speed of
1000 min
-1
.
The power harrow can also be used with tractors
having a PTO speed of 540
min
-1
or
750 min
1
.The rotors are then driven at
intermediate speeds.
The 540 min
-1
PTO speed must be used
occasionally and only for top soil work in
light conditions or in conditions requiring
tractor power lower than 73 kW (100hp).
The tractor must be fitted with lower link
stabilizers.
The front axle load (1) must never, under any
circumstances, be less than 20% of the
tractor's unladen weight.