Summary of Contents for MacDon 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 Published in October 2018.
- Page 3 Introduction The Auger Drive kit (MD #279708) can be installed on a MacDon CA25 Combine Adapter to improve alignment of the driving and driven sprockets. Installation Time Approximate installation time for this kit is 2 hours. Conventions The following conventions are used in this document: •...
- Page 4 List of Revisions At MacDon, we’re continuously making improvements, and occasionally these improvements affect product documentation. The following list provides an account of major changes from the previous version of this document. Summary of Change Location Updated parts list and illustration to include the new 2 Parts List, page 5 drive covers.
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Page 5: Table Of Contents
TABLE OF CONTENTS Introduction ..............................i List of Revisions............................ii Chapter 1: Safety ............................1 1.1 Signal Words ............................1 1.2 General 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 ...................... -
Page 7: Chapter 1: Safety
Chapter 1: Safety 1.1 Signal Words Three signal words, DANGER, WARNING, and CAUTION, are used to alert you to hazardous situations. Two signal words, IMPORTANT and NOTE, identify non-safety related information. Signal words are selected using the following guidelines: DANGER Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. -
Page 8: General Safety
SAFETY 1.2 General Safety CAUTION The following are general farm safety precautions that should be part of your operating procedure for all types of machinery. Protect yourself. • When assembling, operating, and servicing machinery, wear all protective clothing and personal safety devices that could be necessary for job at hand. - Page 9 SAFETY • Wear close-fitting clothing and cover long hair. NEVER wear dangling items such as scarves or bracelets. • Keep all shields in place. NEVER alter or remove safety equipment. Make sure driveline guards can rotate independently of shaft and can telescope freely. •...
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Page 11: Chapter 2: Parts List
Chapter 2: Parts List The following parts are included in this kit (MD #279708). Figure 2.1: Parts Included in Kit Part Number Description Quantity COVER – AUGER DRIVE HALF (LH) COVER – TOP AUGER DRIVE ASSEMBLY PLATE – COVER RETAINER 279652 PIVOT –... -
Page 13: Chapter 3: Installation Instructions
Chapter 3: Installation Instructions To install the Auger Drive kit, follow these procedures in order. 3.1 Removing Feed Auger To remove the feed auger from the adapter, follow these steps: DANGER To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine, remove key, and engage safety props before going under machine for any reason. - Page 14 INSTALLATION INSTRUCTIONS 10. Loosen idler sprocket bolt (A), and raise sprocket (B) to the highest position to release tension on the chain. Tighten bolt (A) to hold sprocket. 11. Some units have a washer and screw at (C), securing the drive sprocket to the shaft.
- Page 15 INSTALLATION INSTRUCTIONS 15. Remove cotter pins and washers (B). Repeat at opposite side. 16. Slide auger support bars (A) off the feed deck carrier posts. Repeat at opposite side. Figure 3.5: Auger Support 17. Use a pry bar (A) to slide the drum assembly to the right side of the CA25.
- Page 16 INSTALLATION INSTRUCTIONS NOTE: Once the drum starts sliding to the right, the drive sprocket will fall off. Figure 3.7: Auger Drive 18. Place a wooden block (A) under the drive end of the auger to prevent the auger from dropping onto the feed draper and damaging it.
- Page 17 INSTALLATION INSTRUCTIONS 21. Slide the left housing (A) back into position so the endless chain (B) can be removed. Figure 3.10: Auger Drive 22. Remove the three 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.
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Page 18: Removing Auger Drive Parts
INSTALLATION INSTRUCTIONS 3.2 Removing Auger Drive Parts To remove the auger drive parts, follow these steps. NOTE: Unless otherwise stated, retain all parts for reinstallation. 1. Remove and discard the two bolts (A). 2. Detach auger pivot (B). 3. Remove and discard chain (C). Figure 3.13: Auger Pivot Installed 4. - Page 19 INSTALLATION INSTRUCTIONS 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. Figure 3.16: Auger Pivot 214079 Revision C...
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Page 20: Installing New Auger Drive Parts
INSTALLATION INSTRUCTIONS 3.3 Installing New Auger Drive Parts To install the new left auger pivot (MD #279691) and endless chain (MD #220317) provided in the kit, follow these steps: 1. On new left auger pivot (MD #279691) install bolt (A), sprocket (B), washer(s) (C), Nord-Lock washer (J), Nord-Lock washer (D), and nut (E) retained from previous procedure. - Page 21 INSTALLATION INSTRUCTIONS 6. Install new endless chain (C) (MD #220317). 7. Position the new auger pivot (B) on the auger support arm, and secure in place with two bolts (A). Figure 3.20: New Auger Pivot Installed 8. Check idler sprocket (A) alignment to the auger driven sprocket (B).
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Page 22: Modifying Gearbox Output Shaft
INSTALLATION INSTRUCTIONS 3.4 Modifying Gearbox Output Shaft 1. Clean the end of the output shaft (A). Figure 3.22: Gearbox Output Shaft 2. Drill a 5/16 in. hole (A) into the end of the shaft 25 mm (1 in.) deep (B). 3. -
Page 23: Reinstalling Feed Auger
INSTALLATION INSTRUCTIONS 3.5 Reinstalling Feed Auger 1. Mount and secure the right side of the drum (A) to the mount bracket. Tighten the two 5/8 in. bolts (B) first. NOTE: These two bolts are shorter than the two for the left side. Figure 3.24: Right End of Auger 2. - Page 24 INSTALLATION INSTRUCTIONS 8. Loosen nut (A) securing idler sprocket (B). 9. Rotate the auger in reverse to take up the slack in the lower strand of chain (C). 10. Push down idler sprocket (B) to eliminate the remaining slack in lower strands (C). NOTE: Do NOT use excessive force on idler to tighten chain.
- Page 25 INSTALLATION INSTRUCTIONS 19. Install new lower cover (E) and drive cover retainer (G), retained from a previous procedure. Engage the inboard lip of the cover into the auger tube and rotate the cover back to engage the rear support. 20. Secure with bolts (D). 21.
- Page 26 INSTALLATION INSTRUCTIONS 26. Install spring (A). Repeat at opposite side. 27. Install nut (B), and tighten until distance (C) is 15 mm (9/16 in.). Repeat at opposite side. 28. Attach adapter to combine. Refer to the header operator’s manual. 29. Check auger to pan clearance. Refer to 3.6 Adjusting Auger to Pan Clearance, page Figure 3.32: Auger Support...
- Page 27 INSTALLATION INSTRUCTIONS 3. Rotate the auger in reverse to take up the slack in lower strand of chain (A). 4. Push down idler sprocket (B) to eliminate the remaining slack in lower strands (A). 5. Rotate the auger back and forth to check the slack, and repeat Step 4, page 21 if necessary.
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Page 28: Adjusting Auger To Pan Clearance
INSTALLATION INSTRUCTIONS 3.6 Adjusting Auger to Pan Clearance DANGER To avoid bodily injury or death from unexpected start-up of machine, always stop engine and remove key from ignition before leaving operator’s seat for any reason. IMPORTANT: Maintain an appropriate distance between auger and auger pan. Too little clearance may cause tines or flighting to contact and damage feed draper or pan when operating header at certain angles. - Page 29 INSTALLATION INSTRUCTIONS 6. Loosen two nuts (B). 7. Use adjuster bolt (A) to set clearance (C) to 5–10 mm (3/16–3/8 in.). Turn 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.
- Page 32 MacDon Industries Ltd. MacDon Brasil Agribusiness Ltda. 680 Moray Street Rua Grã Nicco, 113, sala 404, B. 04 Winnipeg, Manitoba Mossunguê, Curitiba, Paraná Canada R3J 3S3 CEP 81200-200 Brasil t. (204) 885-5590 f. (204) 832-7749 t. +55 (41) 2101-1713 f. +55 (41) 2101-1699 MacDon, Inc.