DMC Econo-Mizer 982 Manuel utilisateur
OWNER’S MANUAL
ECONO-MIZER
GRAIN SPREADERS
MODELS
982, 986 & 996
DAVID MANUFACTURING COMPANY
1600 12th Street NE, Mason City, Iowa 50401 USA
TABLE OF CONTENTS
!CAUTION! Maintenance and Service I
!CAUTION! Operation II
EC Declaration of Conformity
Decal Placement III
Electrical Wiring 1
Installation 2
Adjustment & Operation of Cone Hopper Baffle 3
Wiring Diagrams
Single Phase Control Circuit 4
Three Phase Control Circuit 5
Parts Listing 6 - 7
TroubleShooting 8
Warranty 9
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Maintenance and Service
It is essential in undertaking any maintenance or servicing of the Grain Spreader that a safe
system of work is strictly followed. Failure to do so may result in serious injury to the opera-
tor. Before carrying out any work on the Grain Spreader:
Stop the Grain Spreader and all other machines operating in the bin.
Ensure the isolator switch is locked into the “off” position, with the only key in your possession.
Due to the position of the Grain Spreader in a bin, access to it for maintenance may be hazardous.
If access to the Grain Spreader is required when the bin is completely empty, always lower the Grain
Spreader to the bin floor to perform maintenance and repair.
Caution needs to be exercised when using a ladder to perform service work in a partially filled grain bin.
The ladder can sink into the grain allowing it to fall. Secure the top of the ladder to the bin.
Notice of Noise and Dust Hazard: The Grain Spreader runs at noise levels below 70 db and should
not present any problems.
Decals indicating the possibility of dust are provided in the owners manual bag and should be installed per
the diagram shown on page III. Dust may be created as a normal part of the spreading function of the
Grain Spreader ,and although no person should be in the bin during the spreading operation, some
residual dust may remain in the air after the Spreader has been turned “OFF”. The level of dust will vary
depending on the condition of the grain. Operators should assess the risk to themselves and others, as
required in the EU under the Control of Substances Hazardous to Health Regulations.They should then
implement appropriate control measures to reduce the risks to health.
Before starting the Grain Spreader, ensure that there is no one remaining in the bin and that the bin
access door is locked closed.
I
Before operating, familiarize yourself with the machine. It will help you
operate your Grain Spreader more efficiently, with better quality
returns to you.
FOR SAFETY SAKE
1. Read and understand the owner’s manual
2. Keep all safety shields in place.
3. Prior to inspecting, servicing, lubricating or adjusting the Grain Spreader,
ensure the isolator switch is locked in the “OFF” position, with the only key
in your possession.
4. Before operating your Grain Spreader, familiarize yourself with the machine.
Know how to operate and adjust it. This will enable you to get maximum
efficiency from the equipment, plus better quality grain as a result.
5. All electrical wiring should be in accordance to BS7671:1992. Be sure
equipment and bins are properly grounded.
6. The 982, 986 and 996 Grain Spreaders are designed to distribute grain in
round bins. Contact DMC for recommendations on using these Spreaders
for other materials and conditions
OPERATION
II
EC DECLARATION OF CONFORMITY
David Manufacturing Company
1600 12th Street NE
Mason City, Iowa 50401
USA
Declares that:
Machine Name: Grain Spreader
Type/Model: Econo-Mizer 982/986/996
Machine description/uses:
The primary function of the Grain Spreader is to distribute grain as evenly as possible
across the diameter of a grain bin during the filling process.
Conforms to the EC Directive 89/392/EEC, (amended by Council Directive 91/368/EEC),
the Machinery Directive, and in particular, the Essential Health and Safety Requirements
that apply to it. Specifically to:
Schedule 1: General Points
Signed
Keith Braun
for David Manufacturing Company
3067004
THE DECALS ON THIS PAGE MUST BE DISPLAYED AS SHOWN
Replacements are available upon request. Write to the following address:
David Manufacturing Company, 1600 12th Street NE, Mason City, Iowa 50401 USA
Please note: 1. The decals on this page are not actual size.
2. Keep all decals wiped clean at all times.
3. All decals must be replaced if they are destroyed, missing,
painted over or can no longer be read.
104L0014
On Spreader Pan
1067021
On Spreader Support Arm
1067020
1067023
♦
♦
♦
♦
III
ELECTRICAL WIRING
The DMC Grain Spreader is shipped without wiring installed in the
machine. A qualified electrician should install wiring that complies with
standard BS-7671:1992.
Electrical power to the Stir-Ator should be supplied through a single
lockable switch. A magnetic “ON/OFF” switch that defaults to “OFF”
with a power interruption should be installed outside of the bin as the
start switch for the Grain Spreader. These items are not furnished by
DMC. Awiring diagram of a recommended example of the control
circuit is shown on pages 26 and 27.
1
INSTALLATION
Figure 1: Hanger Brackets and Chains
The hanger brackets should be positioned
equally spaced around the outer fill hole lip
of the bin. Do not tighten the bracket
hardware until the spreader has been
installed and leveled. Hang the spreader from
these brackets by hooking the two chains that
are attached to each of the spreader support
arms to two adjacent hanger brackets. When
properly hung, each set of chains will form a
“V” and will restrict random movement of the
spreader.
The spreader can be installed at various
heightsin the bin depending on the bin
diameter and roof angle. The spreader
should be installed as level as possible by
checking with a level and adjusting the
position of the hanger brackets and/or the
lengths of the chains.
Finish the installation by securely tightening
the hanger brackets.
Wiring: Refer to the Wiring Diagram and
Tables A & B on the next page.
ADJUSTMENT & OPERATION
Figure 2: Slide Gate Adjustment
The slide gates are provided in the pan to allow grain to be spread in the center of the bin. These are
usually open wider for smaller diameter bins.
Figure 3: Center Hopper Baffle Adjustment
It is important that the incoming grain be directed onto the center of the hopper baffle in order to disperse
the grain evenly in the hopper. This baffle functions as a flow control and can be adjusted by lifting it from
the spreader and placing the hairpin clip in one of the holes in the baffle post. The baffle needs to be
adjusted higher above the spreader pan for greater capacities and lower for lesser rates. Best spreading
results are obtained when the baffle is adjusted to maintain a cushion of grain in the hopper.
Item 4: Adjustment Slinger
982, 986 & 996 Econo-Mizers have slingers that can be adjusted to accommodate various sizes of bins
and grain densities. The slingers will throw grain farther when in the most advanced position (hole #1) and
will not throw as far when in the swept back position (hole #3). A guide line to use for adjusting is to use
the third hole for 18 foot diameter bins, the middle hole for 24 - 30 foot bins and the first hole for 33 foot and
larger bins.
2
Fig. 1
Fig. 3
Fig. 4 Fig. 2
Spreading Capacities
Econo-Mizer 982 986
Heavy Grain 18’ - 30’ 31’ - 48’
2500 BPH
Heavy Grain 18’ - 27’ 28’ - 42’
3500 BPH
Light Grain 18’ - 24’ 25’ - 36’
3500 BPH
ADJUSTMENT & OPERATION OF
CONE HOPPER BAFFLE
The cone hopper baffle is used to restrict the entering grain and slow it down enough to ensure
that the cone will always be full and overflowing with grain. The cone baffle should be adjusted
high enough above the spreading pan to allow the overflowing grain to flow between the hop-
per and the cone baffle and to not flow over the sides of the main hopper. Entering grain
should be directedonto the expanded metal restrictor on top of the cone baffle.
3
305B007(982,986)
306B1001(996)
ECONO-MIZER
CONE BAFFLE
4
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