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DIXIE GRINDERS INC.

1324 RAILROAD AVENUE     GUNTERSVILLE, AL  35976

(800) 745-0586   (256) 582-0477   FAX (256) 582-0478  

MODEL 11-7

GRINDER UNIT

SAFETY  INSTALLATION  OPERATION  MAINTENANCE

THIS MANUAL MUST BE READ TO,

OR BY EACH PERSON, BEFORE

THAT PERSON OR DEPARTMENT

UNCRATES, OPERATES, 

MAINTAINS, OR SUPERVISES USE

OF THIS MACHINE IN ANY WAY.

CAUTION

Summary of Contents for 11-7

Page 1: ...0 745 0586 256 582 0477 FAX 256 582 0478 MODEL 11 7 GRINDER UNIT SAFETY INSTALLATION OPERATION MAINTENANCE THIS MANUAL MUST BE READ TO OR BY EACH PERSON BEFORE THAT PERSON OR DEPARTMENT UNCRATES OPERATES MAINTAINS OR SUPERVISES USE OF THIS MACHINE IN ANY WAY CAUTION ...

Page 2: ...ONAL INJURY HOPPER GUARD LISTED BELOW IS THE DEFINITION OF THE HAZARD LEVEL USED ON THE SAFETY STICKERS TYPICAL DIXIE 11 7 GRINDER UNIT FRAME MOTOR COVER PANELS SERIAL NUMBER HOPPER RING BELT GUARD HEAD GEARBOX SAFETY TAG ORIFICE PLATE GUARD GEARBOX TAG ...

Page 3: ...or sidemount frame Standard safety equipment includes a belt guard a hopper guard and a plate guard If a transition funnel is used the plate guard is not required It is important that your application and or installation does not render these guards ineffective If for any reason you believe these guards are not adequate do not use the machine and call Dixie Grinders Inc at once 256 582 0477 OR 800...

Page 4: ...PROVIDED TO RESTRICT ACCESS TO THE ROTATING FEEDSCREW THE PLATE GUARD IS PROVIDED TO RESTRICT ACCESS TO THE PLATE THE KNIFEHOLDER AND THE FRONT END OF THE FEEDSCREW THE BELT GUARD IS PROVIDED TO RESTRICT ACCESS TO THE V BELTS AND THE ROTATING PULLEYS FAILURE TO USE GUARDS WHILE THE GRINDER UNIT IS IN OPERATION MAY RESULT IN SEVERE INJURY OR DEATH REPLACE SAFETY TAGS WHEN NECESSARY CALL DIXIE GRIND...

Page 5: ...owed to climb on it or use it as a platform Remember to Work Safely THE GRINDER HAS ARRIVED LIFT EQUIPMENT REQUIRED We recommend using a 5 000 pound capacity fork lift with 48 or longer forks Do not attempt to unload the grinder unit from a commercial van from ground level Only authorized and properly trained equipment movers should attempt to unload the grinder unit Remember to Work Safely PRE UN...

Page 6: ...d be given a lock and key and trained in proper procedures for LOCK OUT TAG OUT Please consult with your Safety Engineer your Electrical Engineer and O S H A for all regulations related to the controls and wiring for this machine We do not recommend the use of wye delta or star delta starters In some areas this is required If your machine must be wired this way the operators must understand that t...

Page 7: ...ed to remove the plate and bushing from the grinder unit or on assembly to install the plate and bushing into the grinder unit Note Wear appropriate safety equipment and remember to always Work Safely GRINDER UNIT DISASSEMBLY READ AND UNDERSTAND THE FOLLOWING TAG When the grinder unit has been properly secured disassembly can begin Step 1 Using the ring wrench loosen the ring by exerting downward ...

Page 8: ...emove it also Step 6 REMOVE THE CENTERING PIN Do not loose the pin key when you are removing the pin Step 7 REMOVE THE FEEDSCREW FROM THE GRINDER UNIT We recommend using our Model FSP2006 feedscrew puller to remove the feedscrew see next page If you do not have a FSP2006 feedscrew puller we recommend using a worm cart chain hoist or other suitable lifting device The feedscrews are heavy about 250 ...

Page 9: ...rew removed from the grinder unit it can now be wired Dixie Grinders Inc does not supply motor controls disconnects or stop start stations Please consult your Electrical Engineer your Safety Engineer OSHA and other Federal State and local regulations ...

Page 10: ...mend drying the unit and applying a liberal amount of mineral oil to all tin plated surfaces If the machine is not going to be used for an extended period apply a coat of edible grease to all surfaces and wrap the grinder in plastic SANITIZERS Iodine sanitizers Iodine reacts with tin If the Iodine is in sufficient strength and has been on the tin plated surfaces long enough it will turn anything t...

Page 11: ...ngage the drive spline The feedscrew will jump in another inch when it is seated on the spline Check the head space 3 4 FEEDSCREW HEAD The head space should be checked on a weekly basis The head space is 3 4 on all DGI grinder units This should be done with the excluder seal removed Spacers should be added if the measurement is more than 3 4 Spacers should be removed if less than 3 4 When using th...

Page 12: ...der seal faces out and contacts the hopper flange B TYPE HEAD SPACE ADJUSTMENT Item 1 is the 3 4 Adjustment Washer These are used with a 3 4 10 X 1 1 2 long Adjustment Bolt Add or subtract washers to obtain the 3 4 head space dimension NOTE This step is necessary when changing feedscrews heads hoppers or if the gearbox has been rebuilt Failure to set the proper head space may result in serious dam...

Page 13: ... to install the feedscrew lift the feedscrew slightly while pushing it in If the feedscrew does not slide up on the spline it may be necessary to push down in while turning the feedscrew slightly to engage the drive spline B drives engage much easier than the older A drives The feedscrew will jump in another inch when it is seated on the spline Place the pin key into the slot in the centering pin ...

Page 14: ...e out Be careful the inserts are sharp 14 In the above illustration notice that the face at the outer diameter of the first spring is touching the counter bore in the face of the feedscrew The second spring is opposite and will contact the knife in the same fashion Do not stack the springs one on top of the other like dishes this doubles the spring force and will provide too much force against the...

Page 15: ...tical type surface grinder typically called a Blanchard Type With this type of surface grinder the plate should be placed directly over the center of the table We do not recommend sharpening the plates when they are placed out on the table not directly over the center of the table We recommend using our grinding wheels to sharpen the plate These specialized grinding wheels produce the correct surf...

Page 16: ...mount of edible grease Do not use mineral oil Step 10 INSPECT THE PLATE BUSHING The plate bushing should be clean and free of nicks and burrs Inspect the inside diameter it is common to show wear because the bushing supports the weight of the feedscrew Replace the bushing when there is 035 wear or the inside diameter measures 1 540 Apply a generous portion of edible grease vegetable shortening tal...

Page 17: ...ned back it off 1 8 to 1 4 turn for fine grinding 1 2 turn for coarse grinding 17 Using the ring wrench tighten the ring until you can tighten it no further Do not slap the ring wrench rather just push down on the handle Use the ring wrench only Do not use a pipe extension Do not use a pipe wedged between the center support and the bridge support Step 14 INSPECT THE RING The threads of the ring sh...

Page 18: ... The pin and bushing rely on the product to supply lubrication and cooling If the grinder is left running without product the pin and bushing will also heat up and in some instances they weld together Do not grind products that were not intended for this machine All grinder units are designed for a specific purpose A fresh meat pre grinder may not perform satisfactory on regrind and may not be abl...

Page 19: ...dscrews are made this aggressive to insure that the head is 100 full thus maximum capacity can be achieved The draw back to this design is that over feeding in the hopper will result in damage to the finished product Feedscrew designs exist with lesser pitches in the hopper to reduce the rolling We also have special hopper designs that all but eliminate product rolling If the grinder becomes bridg...

Page 20: ...apid wear to the feedscrew and head and can even lead to metal in the finished product 500 000 002 MAINTENANCE INSTRUCTIONS GRINDER RING The grinder ring needs little maintenance other than thread inspection The center support should contact the slip in bushing at the same time that it contacts the plate If there is any clearance between the plate bushing and the center support after the ring has ...

Page 21: ...plates and the old 7 peanut slot plates the 2437 and 2442 series of plates For our pet food customers we offer this technology in the 2114 and 2118 series of plates If you are breaking plates from tramp metal and are using a thin plate perhaps a full thickness plate may be the answer A standard hole pattern plate would be even stronger If your plates are turning blue the operators are running the ...

Page 22: ...r a thud Notice the tramp metal stuck in one of the holes The tramp metal must be removed Note the gouges that extend from hole to hole These gouges must be ground out The sharpened grinder plate should have fine lines extending from the outer edge through the center of the plate then back to the outer edge In drafting terms the symbol would be 22 30 CHAMFER Rather place the plate over the center ...

Page 23: ...tions the pin usually lasts about three months or three bushings If some roughness is noticed this can be smoothed out with an external grinder or very fine sand paper in a lathe A rough surface on the pin will wear the bushings out at an unexceptable rate The pin should be replaced when the diameter has 030 wear or it measures 1 470 23 SPRINGS The washer springs last a very long time They are des...

Page 24: ...the tips Inspect the arms where they are connected to the hub of the knife if there are any signs of cracking throw the knife away immediately Examine the knife inserts The edge of the insert should be free of burrs Be carefull the inserts are sharp KNIFEHOLDERS As explained on page 14 inserting the pointed end of our insert remover into the slot of the knifeholder provides a quick and easy way to...

Page 25: ...E When the inserts have been properly installed turn the knifeholder over and check it for flatness Use a properly sharpened plate or other known true flat surface If the knifeholder rocks check to make sure all the blades have been properly seated Check the bottom of the slots for obstructions Make sure that the slot of the insert is lined up with the pin in the bottom of the slot A slight rock i...

Page 26: ...es should have a square corner When they become rounded the head should be rebuilt Bore flute wear can be measured with our head guage When new the bore gauge fits tight The wear limit depends on your application For fine hole plates the head should be rebuilt when the clearance over the guage is 1 16 With large hole plates 1 8 is the limit Product definition suffers and there is a loss of product...

Page 27: ...tside diameter of the pressure flights are rounded They should have a square edge The front of the pressure flight should be flat The outside diameter through the head section is rounded and undersized The knife drive lugs are bent clockwise This feedscrew is in serious need of rebuilding and when rebuilt it will look as good as new 27 WORN PRESSURE FLIGHTS OUTSIDE DIAMETER WORN KNIFE DRIVE LUG BE...

Page 28: ...he flighting we machine the old flighting off right down to the shaft The flighting is replaced with new 1045 bar Examine the drive spline The main shaft does not engage 100 of the drive spline therefore the amount of wear of the drive spline can be determined by examining the base of the spline Also note the wear on the adjustment bolt NOTE CRACK Examine the cupping The cupping should have a shar...

Page 29: ...l notice that the flighting is thicker When new or rebuilt the corners are square Notice the nice filet welds attaching the flighting to the shaft Sharp cupping is needed to aggressively grasp the product that falls into the hopper Shown below is a new drive spline with a thrust screw installed 29 ...

Page 30: ...pper at the bottom should have a square corner When this edge becomes rolled over the feedscrew has difficulty feeding the head correctly In time the excluder seal will wear a ridge in the back flange of the hopper The spin ridge and the seal area can be rebuilt SEAL WEAR REBUILT SPIN RIDGE SPIN RIDGE ADDITIONAL FLUTE REBUILT SEAL AREA ACTUAL PHOTO OF HOPPER MANUFACTURED IN 1973 REBUILT 1999 30 ...

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