Standen OMEGA User manual

OMEGA
Separator Units
Standen Engineering Limited.
Hereward Works,
Station Road, Ely,
Cambridgeshire.
CB7 4BP
England.
Tel: 01353 661111 www.standen.co.uk Fax: 01353 662370


On delivery, check that the machine is as ordered and has not been damaged in transit.
Please report any shortfall to your Standen dealer.
The contents of this handbook, although correct at the time of publication, may be
subject to alteration by the manufacturers without prior notice.
Standen Engineering Limited operate a policy of continual product development.
Therefore, some illustrations and/or text within this publication may differ from your
machine.
The copyright of this handbook is the property of Standen Engineering Limited,
Hereward Works, Station Road, Ely, Cambridgeshire. CB7 4BP. This handbook is
issued on the condition that it must not be used, copied or exhibited without their written
permission.
IMPORTANT
This operator’s handbook should be regarded as part of the machine. Suppliers of
both new and second-hand machines are advised to retain documentary evidence
that this handbook was supplied along with the machine.
On installation of the machine (i.e. starting off in the field), the New Machine
Installation Record Card should be completed by the dealer/distributor and be
countersigned by the customer. The document is proof that the correct procedures
have been followed.
The New Machine Installation Record Card should be returned to Standen
Engineering Limited within 7 days of installation. Failure t
o do so may invalidate the
machine warranty.


Introduction to the Handbook
This handbook provides the information for the installation, operation and maintenance
of your Standen Omega Separator. To enable you to achieve the best results from the
machine, the manufacturer recommends that you read the handbook thoroughly prior to
using the machine for the first time.
Record below the details of your machine.
Dealers Name ..............................................................................…………………………..
Address ...................................................................................................…………………..
...............................................................................................................……………………
Telephone Number ..............................................................................……………………..
Machine Serial Number ............................................................................…………………
Date Purchased ........................................................................................…………………
Date Started Work ....................................................................................…………………
Throughout this handbook the terms 'front', 'rear', 'left-hand' (LH) and 'right-hand' (RH)
are derived from the tractor driver’s position facing forward in the normal direction of
travel.
Adjustments to the machine may have to be made singly or in combination according
soil conditions. Always allow the machine to settle to a new setting before making
further adjustments.
Recommended lubrication and maintenance instructions are included in this handbook
and if followed will help to keep the machine in a safe working condition.
Warranty
Should the machine suffer any faults or defects within the warranty period, please
contact your dealer. The warranty shall be effective only if the dealer is informed of any
such defect as soon as practicable upon discovery.
This symbol indicates important safety messages within this handbook.
When you see this symbol, be alert to the possibility of injury to yourself or
others and/or damage to the machine and carefully read the message that
follows.
INTRODUCTION
1.1

Replacement Parts
Recommended replacement parts are designed for your machine and have the full
backing of the warranty. Only when recommended parts are used can responsibility be
considered under the terms of the warranty.
THE OMEGA SEPARATION UNITS COMPRISED IN THIS MACHINE ARE ONLY
APPROVED FOR USE WITH EBONITE AND STEEL ROLLERS. RUBBER ROLLERS
MUST NOT BE FITTED INTO THESE MACHINES IN THE PLACE OF THE EBONITE
OR STEEL ROLLERS.
Section 2 of this handbook contains a list of spare parts available through your Standen
Agents. Each illustration shows a complete unit or assembly in exploded form.
Standen's policy of continual product development means that components or even
complete assemblies are redesigned from time to time. Where possible the
modifications are shown in the remarks column.
The first printing of each page in the spare parts section is identified as issue 1 at the
foot of the page. When a complete unit or assembly has been redesigned the
appropriate pages are revised and printed as issue 2. The revised pages are filed
behind the existing issue so that a complete modification history is gradually built up.
When using an illustration and parts list it is essential that both are of the same issue.
Always quote the full serial number of your machine when ordering spare parts.
1.2
INTRODUCTION

Safety
The Standen Omega Separators have been designed to comply with current Safety
Regulations. However, as with all machinery there will be inherent dangers whilst
operating and carrying out maintenance on the machine. The following safety
precautions should therefore be brought to the attention of all persons operating and
working on the machine. The list is not exhaustive. All machinery is potentially
dangerous and the operators must exercise great care at all times. Standen
Engineering Limited will not accept liability for damage or injury caused by their
products except when such liability is specifically imposed by English statute.
The machine must never be
operated by untrained
personnel or children.
Never set machinery in motion
before ensuring that everyone
in the vicinity is aware of your
intentions.
Never attempt to fit drive chai
ns
or drive belts to the machine
while the drive sprockets or
pulleys are in motion.
All guards, covers, warning
transfers and safety devices
must be correctly fitted and
operable at all times.
Inspect the machine on a
regular basis and replace
damaged or worn parts as
necessary.
Inspect the machine for damage
after use. Rectify as required.
Before working on the machine,
all free moving parts should be
locked to prevent them moving.
Regularly lubricate the machine
as per the operator’s handbook
and check the tightness of all
nuts and bolts.
Always use mechanical or additional
help when lifting heavy parts.
Safety is the responsibility of the
persons working with this machine.
Think "safety" at all times. Read
and remember the contents of this
handbook.
Avoid loose clothing near moving
parts. Wear gloves when
handling the implement or parts
with sharp edges.
Never operate the machine in a
state of disrepair.
Safety guards must be fitted to
prevent access to the Omega
drive chains, sprockets and
rollers.
SAFETY PRECAUTIONS
1.3

Omega Separator Installation and Operation
The basic Omega unit consists of a row of polyurethane scrolls followed by a clod roller.
The units are available with 2, 3 or 4 scroll shafts. A complete Omega separator
assembly is made up of a series of these units to give the required area of separation.
For example, 5 scroll shafts (3+2), 6 scroll shafts (3+3), 7 scroll shafts (3+4), 8 scroll
shafts (4+4) etc.
The scrolls shafts are driven hydraulically via a gearbox and drive chain. Each clod roller
is directly driven by its own hydraulic motor fitted with a manual reversing valve (item 1,
fig 1).
When installing the separator, the scroll shafts and the clod rollers should be made
adjustable for speed. This will enable the operator to obtain maximum performance from
the separator. Pivot points on the side plates allow the unit to have angle adjustment if
required.
Safety guards must be fitted to prevent access to the drive chains,
sprockets and rollers.
The height of the scrolls tips can be specified as 10mm (standard) or 6mm for less
aggressive action. The clod rollers can be either ebonite, mild steel, or stainless steel
and are available in different diameters. Stainless steel is the least aggressive due to
the smooth, shiny surface, while ebonite will give more aggressive, general-purpose
results. Also, fitting a smaller diameter clod roller allows larger more aggressive gaps to
be set through the separator.
The relative height of the clod rollers to the scrolls is set hydraulically by the ram on the
RH side of the unit. Raising the height of the clod roller introduces a larger ripple into the
crop flow creating more separation by allowing the crop to ride over the soil and top. To
work in conjunction with this, the relative speed and rotation direction of the clod rollers
can be set. When running the clod roller in reverse to the crop flow, the higher the
speed, the more aggressive the separation will be. Reducing the speed lessens the
pinching effect of the clod rollers. Running the clod roller 'with the crop flow at a slow
speed will give some separation, while increasing the speed will transfer all the crop and
soil.
1.4
INSTALLATION AND OPERATION
Fig 1 Fig 2

The clod rollers will normally be adjusted to run approximately 1 to 2 mm away from the
tip of the scrolls for effective haulm removal. The clod roller gap is set by adjusting the
stop bolts (item 1, fig 2) against the spring tension on the clod roller mounting plates.
Spring tension is adjusted on the spring tie bolts (item 2, fig 2).
Drive chain tension is set by releasing the bolt (item 3, fig 2) and rotating the tensioner
mounting (item 4, fig 2).
Each clod roller is fitted with a scraper (item 5, fig 2) which needs to be closely adjusted
to remove loose soil from the rollers.
NOTE: All adjustments must be made evenly on both sides of the units.
INSTALLATION AND OPERATION
1.5

Maintenance of the Mechanical Drives
Drive chains must be maintained at the correct tension. Maintaining correct tension,
alignment and lubrication will ensure the efficient running of the separator and prolong
the life of the drive components. Adjust the chains to give positive drive without undue
stretching. Where plastic chain tensioners or guides are fitted, these will show fairly
rapid wear initially but will settle down when the chain rollers rather than the chain side
plates come into contact with the plastic.
Lubrication
Regular lubrication will ensure that the Standen Omega separator will have a long and
efficient service life. Depending on soil and weather conditions, the service schedule
can vary. It is recommended that the separator be given a thorough inspection at least
weekly during the working season and at this time the machine should be greased and
the gearbox oil levels checked.
Shafts and bearings fitted with grease nipples should be lubricated using a good quality
general purpose grease. Bearings must not be allowed to run dry. When greasing it is
better to give a little frequently than a lot a long intervals.
The bearings are sealed and pre-lubricated. Care should be taken not to flood these
bearings with grease or the seals may burst allowing grease to escape and dirt to get in.
Should this happen, more frequent greasing will be required in order to keep the dirt at
bay. When lubricating sealed bearings, only two strokes of the grease gun every twenty
acres of work is necessary.
When checking the chain and gear drives, proprietary chain lubricant or a smear of
grease should be applied to prolong their life.
Gearbox oil levels should be checked occasionally and topped up with EP90 gear oil.
Apply grease to all pivot points, slideways and exposed threads etc. to ensure they
operate easily and remain free of corrosion.
1.6
MAINTENANCE
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