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CA25

Combine Adapter

Auger Drive Kit (MD #279708) Installation Instructions

214079 Revision C

Original Instruction

The harvesting specialists.

Summary of Contents for 279708

Page 1: ...CA25 Combine Adapter Auger Drive Kit MD 279708 Installation Instructions 214079 Revision C Original Instruction The harvesting specialists ...

Page 2: ...CA25 Combine Adapter 1004606 Published in October 2018 ...

Page 3: ...d from the operator s position The front of the header is the side that faces the crop the back of the header is the side that connects to the combine Unless otherwise noted use the standard torque values provided in the header operator s manual NOTE Keep your MacDon publications up to date The most current version of this instruction can be downloaded from our Dealer only site https portal macdon...

Page 4: ... of this document Summary of Change Location Updated parts list and illustration to include the new drive covers 2 Parts List page 5 Removed drive cover part numbers the drive covers aren t sold separately Updated illustration of upper drive cover installation Added instructions for adjusting chain tension on auger drives that have the new covers installed 3 5 Reinstalling Feed Auger page 17 21407...

Page 5: ...eneral Safety 2 Chapter 2 Parts List 5 Chapter 3 Installation Instructions 7 3 1 Removing Feed Auger 7 3 2 Removing Auger Drive Parts 12 3 3 Installing New Auger Drive Parts 14 3 4 Modifying Gearbox Output Shaft 16 3 5 Reinstalling Feed Auger 17 3 6 Adjusting Auger to Pan Clearance 22 TABLE OF CONTENTS ...

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Page 7: ...t avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation that if not avoided could result in death or serious injury It may also be used to alert against unsafe practices CAUTION Indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury It may be used to alert against unsafe practices IMPORTANT Indicates a sit...

Page 8: ...goggles Heavy gloves Wet weather gear Respirator or filter mask 1000005 Figure 1 2 Safety Equipment Be aware that exposure to loud noises can cause hearing impairment or loss Wear suitable hearing protection devices such as earmuffs or earplugs to help protect against loud noises 1010391 Figure 1 3 Safety Equipment Provide a first aid kit for use in case of emergencies Keep a fire extinguisher on ...

Page 9: ...machine function and or safety It may also shorten machine s life To avoid bodily injury or death from unexpected startup of machine ALWAYS stop the engine and remove the key from the ignition before leaving the operator s seat for any reason 1000009 Figure 1 6 Safety around Equipment Keep service area clean and dry Wet or oily floors are slippery Wet spots can be dangerous when working with elect...

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Page 11: ... Ref Part Number Description Quantity 1 NSS1 COVER AUGER DRIVE HALF LH 1 2 NSS1 COVER TOP AUGER DRIVE ASSEMBLY 1 3 279652 PLATE COVER RETAINER 1 4 279691 PIVOT LH AUGER MACHINING 1 5 220317 CHAIN RC 60H 56 PITCHES RIVETED ENDLESS 1 A 21456 BOLT HH FLG SERR FACE 1 4 NC X 0 75 GR 5 ZP 6 B 180207 WASHER FLAT 1 C 135157 SCREW MACHINE 1 1 Not sold separately ...

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Page 13: ...d retain all parts for reinstallation 1 Detach the header from the combine For instructions refer to the header operator s manual 2 Shut down the combine and remove the key from the ignition 1023056 C A A E D F B G B Figure 3 1 Auger Drive 3 Locate auger chain case on left end of feed auger 4 Remove the four bolts A securing the top cover to the left side of the auger chain case 5 Remove and disca...

Page 14: ...ecuring the drive sprocket to the shaft If they are present remove them 1003287 1003289 C B A Figure 3 3 Auger Support 12 Remove the lower bolt A and loosen the top bolt B Swing the C clamp C up and then slide the drive assembly to the right to allow the drive sprocket to fall off the shaft 1018679 A B Figure 3 4 Auger Support 13 Loosen nut A to remove any spring B tension Repeat at opposite side ...

Page 15: ...otter pins and washers B Repeat at opposite side 16 Slide auger support bars A off the feed deck carrier posts Repeat at opposite side 1003290 A Figure 3 6 Auger Drive 17 Use a pry bar A to slide the drum assembly to the right side of the CA25 INSTALLATION INSTRUCTIONS ...

Page 16: ...aper and damaging it 19 Place a sheet of cardboard on the center feed draper to protect the draper when removing the auger drum 1023057 A Figure 3 9 Auger Support 20 At the left end of the auger remove the two bolts and nuts A and separate the drive housing from the auger mount bracket NOTE You may need to lift or support the drum to remove the bolts NOTE The bolts on the left side housing are lon...

Page 17: ...nuts B from cover A on the right side of the auger NOTE O rings are securing the bolts so they will not fall out 1003295 A B Figure 3 12 Right End of Feed Auger 23 Remove two nuts B with a 15 16 in wrench Slide right housing A to the right to clear hardware NOTE You may need to lift or support drum to remove bolts 24 Remove block at left end of auger and roll drum down the cardboard INSTALLATION I...

Page 18: ...installation 1018671 B A C Figure 3 13 Auger Pivot Installed 1 Remove and discard the two bolts A 2 Detach auger pivot B 3 Remove and discard chain C 1018672 A B C Figure 3 14 Auger Pivot 4 Remove two nuts A 5 Remove bolts B and spacers C 1018673 A C B Figure 3 15 Auger Pivot 6 Remove bolt A and nut B 7 Remove adjuster bracket C INSTALLATION INSTRUCTIONS ...

Page 19: ...Figure 3 16 Auger Pivot 8 Remove nut E Nord Lock washer D Nord Lock washer J washer s C sprocket B and bolt A NOTE There may be more than one washer at C 9 Remove nuts G bolts F and clamp plate H 10 Discard the auger pivot INSTALLATION INSTRUCTIONS ...

Page 20: ...not fully tighten hardware NOTE There may be more than one washer at C 2 Install clamp plate H bolts F and nuts G all retained from previous procedure Do not fully tighten hardware 1018673 A C B Figure 3 18 New Auger Pivot 3 Position adjuster bracket C on new auger pivot and secure in place with bolt A and nut B All parts are retained from previous procedure 1018672 A B C Figure 3 19 New Auger Piv...

Page 21: ...17 7 Position the new auger pivot B on the auger support arm and secure in place with two bolts A 1018757 B A C Figure 3 21 New Auger Pivot Installed 8 Check idler sprocket A alignment to the auger driven sprocket B If necessary adjust the number of flat washers C to improve alignment INSTALLATION INSTRUCTIONS ...

Page 22: ...18692 A Figure 3 22 Gearbox Output Shaft 1 Clean the end of the output shaft A 1018693 A B Figure 3 23 Gearbox Output Shaft 2 Drill a 5 16 in hole A into the end of the shaft 25 mm 1 in deep B 3 Thread hole A with a 3 8 16 UNC 2B tap INSTALLATION INSTRUCTIONS ...

Page 23: ...blies together NOTE Use blocking on the left side of the drum if necessary 3 Remove the block if used 4 Rotate the drum in forward and reverse a couple of times to ensure the drum has been correctly rebuilt before connecting the chain to the drive assembly 1018694 A B C D E Figure 3 26 Auger Drive 5 Align the sprocket on the shaft and put drive sprocket A into chain B NOTE The shoulder of drive sp...

Page 24: ...8702 A B Figure 3 28 Auger Drive 13 Rotate auger A by hand in reverse until it cannot turn anymore 14 Mark a line B on the drum that lines up with one of the cover supports 1018703 A B Figure 3 29 Auger Drive 15 Rotate the auger A by hand in forward direction until it cannot turn anymore 16 Measure the distance between the two lines B For a new chain If the difference B is 1 4 mm 0 04 0 16 in no m...

Page 25: ...iner plate F MD 279652 22 Secure cover retainer plate in place with six bolts B MD 21456 23 Replace and tighten bolts A NOTE The covers should be as close together as possible to prevent crop from entering the auger drive 1018680 A B Figure 3 31 Auger Support 24 Slide auger support bars A onto the feed deck carrier mounting posts Repeat at opposite side NOTE The auger support bar with the F cut in...

Page 26: ...earance Refer to 3 6 Adjusting Auger to Pan Clearance page 22 NOTE Check chain tension after the first 10 hours of operation Check chain tension and grease chain every subsequent 250 hours of operation To adjust chain tension with the new covers installed follow these steps 1027334 A B Figure 3 33 Auger Drive Cover 1 Remove screw A and cover B 1027336 A B Figure 3 34 Auger Drive Cover 2 Using a 15...

Page 27: ...wer strands A 5 Rotate the auger back and forth to check the slack and repeat Step 4 page 21 if necessary A slight amount of slack is acceptable NOTE Do NOT use excessive force on idler to tighten chain 6 Tighten idler bolt C and torque to 290 Nm 215 lbf ft 7 Complete Step 13 page 18 to Step 18 page 18 1027334 A B Figure 3 36 Auger Drive Cover 8 Replace cover B and secure with bolt A INSTALLATION ...

Page 28: ...age feed draper or pan when operating header at certain angles Look for evidence of contact when greasing adapter 1 Extend center link to steepest header angle setting D and position header 150 254 mm 6 10 in off the ground 2 Lock header wings 3 Shut down combine and remove key from ignition 1001416 A B Figure 3 37 Float Lock 4 Ensure float lock linkage is on down stops washer A and nut B cannot b...

Page 29: ... adjuster bolt A clockwise to increase clearance and counterclockwise to decrease clearance NOTE The clearance increases 25 40 mm 1 1 1 2 in when center link is fully retracted 8 Repeat Steps 6 page 23 and 7 page 23 on opposite end of the auger 9 Tighten nuts B on both ends of feed auger Torque nuts to 106 118 Nm 79 87 lbf ft INSTALLATION INSTRUCTIONS ...

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Page 32: ...t 816 891 7313 f 816 891 7323 LLC MacDon Russia Ltd 123317 Moscow Russia 10 Presnenskaya nab Block C Floor 5 Office No 534 Regus Business Centre t 7 495 775 6971 f 7 495 967 7600 MacDon Australia Pty Ltd A C N 079 393 721 P O Box 103 Somerton Victoria Australia Australia 3061 t 61 3 8301 1911 f 61 3 8301 1912 MacDon Europe GmbH Hagenauer Strasse 59 65203 Wiesbaden Germany CUSTOMERS MacDon com DEAL...

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