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In addition to this, the relationship between the opener disc and the cast coulter face
should be observed to ensure the gap is close enough to prevent ingress of straw and
which may initiate a blockage.
On The DTS, the tungsten carbide tiles are fitted to prolong the operational life of the
cast components. However, these should be routinely monitored in terms of wear.
On The DD, the grease free bearings should be externally examined for debris build
up as well as checking for excessive “play”.
Disc wear and position of the cast coulter in relation to height should be considered.
Disc wear will directly affect the depth to which the seed is placed. As the disc wears,
the cast coulter component should be lifted on its adjustment slot.
6.3 Lubrication & Greasing
Lubrication and greases can be harmful to both the user and the environment. Avoid
contact with skin/eyes. Make sure to clean up any unwanted spillage, and always wear
the correct PPE for these activities. Sumo advises using sustainable, biodegradable
oils, unless otherwise stated. Avoid mixing substances, otherwise you risk causing a
chemical reaction. Do not use pneumatic grease guns as the pressure can cause
damage to bearings. Always wash your hands thoroughly and other contaminated
areas immediately after contact.
Hydraulic Cylinders Inc Auto-Reset - Grease points requiring one pump every 50
hours are located on all rams, wing hinge bushes, axle hinge bushes, drawbar hinge
bushes front and back on both top and bottom elements. Exposed chrome ram rods
should also be greased weekly to prevent these valuable parts from rusting and
causing costly oil leaks.
Disc Bearings - The disc bearings should be greased until old grease is forced out once
a week when in normal use and after washing the machine off to expel any water in
the bearing.
6.4 Cleaning
High pressure washers can be used to clean Sumo machines, however for elements
such as bearings which are greased and have oil seals, try to avoid direct contact. This
may cause damage.
Sumo machines also have a variety of electrical equipment and cables running across
the machine. To avoid electrocution do not touch the machines whilst cleaning it, and
observe/repair any damaged electrical circuits.
For best results, clean the machine regularly and remove any build-up of dirt/mud
which might solidify and later cause bungs. A clean machine is a safe machine,
exposed to less pressure during working and transport, and will therefore serve you
better and longer.
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