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7.0 - Optional Equipment
Some Equipment is provided by Horizon Agricultural Machinery Ltd. as an optional extra. Elements
in this section may or may not be fitted to your equipment or have been added retroactively after
the machine left the factory. Information listed below is provided as a reference.
7.1 - Compressor
The SPX can be equipped with a compressor to supply air to the pneumatically actuated closing
system, trash wheels and downforce airbags if fitted (Cab Controlled Option). The system is
equipped with an automatic cut off pressure regulator, to control the pressure in the storage tank,
this requires no maintenance or adjustment. The compressor itself is an oilless maintenance free
compressor, fitted with an auto draining water trap. It is recommended the operator check the
water trap regularly to ensure it is still correctly functioning. The system is powered by an Anderson
connector shown in section 5.4, The system is connected to the pneumatic control systems by a
6mm Pneumatic hose directly from the compressor.
DANGER: Operators should NEVER drill, weld, or modify the storage tank in anyway.
Failure to do so can modify the structural integrity of the pressure vessel and can
consequently cause serious injuries
IMPORTANT: It is recommended operators drain the compressor air reservoir. A
reminder sticker is fitted to the tank itself to indicate the drainage location
7.2 - Liquid Fertiliser System
WARNING: Operators must wear appropriate and suitable PPE when working on
the liquid fertiliser systems. This PPE should be in accordance to the manufacturers
regulations
The fertiliser system comprises of 3 parts. The in-furrow outlet tubes, Wilger Manifold & Fertiliser
tank with control system. The fertiliser system can therefore be specified according to the operator's
needs.
7.2.1 - Wilger Flow Manifolds
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Wilger flow indicator manifolds allow the
user to visualise the flow of product to
each individual coulter outlet. The balls are
positioned in the sight glass depending upon
the flow conditions experience. If the ball is
resting at the bottom or is lowly suspended
it indicates there is a blockage between the
indicator and the outlet. If the ball is suspended
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