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Table of Contents
Related Manuals for drago GT
Summary of Contents for drago GT
- Page 1 CLINIC GUIDE...
- Page 2 MODEL IDENTIFICATION The GT corn head was introduced in 2016. The design of this head introduced features such as the QuadSuspension™ for the deck plates, individual slip clutches on individual components, and a 100% gear driven driveline. Each row unit has independent slip clutches for each gathering chain, the stalk rollers, and the stalk chopper (if equipped).
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Page 3: Table Of Contents
SNOUT ADJUSTMENTS ............................. 13 DECK PLATE GAP ..............................13 DECK PLATE TENSION.............................. 14 GATHERING CHAIN TENSION ..........................14 PART REPLACEMENT ............................... 15 PERFORMANCE PARTS ............................17 TROUBLESHOOTING ..............................18 NOTES ..................................21 SERVICE VIDEOS ..............................23 Corn Head Clinic Guide - GT... -
Page 4: Maintenance
The maintenance items in this section outlines the recommended intervals and lubricants required to keep the corn head functioning properly. For more information on maintenance items and repairs please refer to your Operators Manual or the Drago Service Video website at https://www.dragotec.com/service-video... -
Page 5: Required Fluids
PART NUMBER Mobilux EP 0 Grease 14 oz (414mL) Tube – Case of 10 GR-1000T Quart (0.9L) – Single DR-MOB634-QT Mobil SHC 634 Oil Case – 12 Quarts DR-MOB634-CASE 5 Gallon Bucket (19L) DR-MOB634-5GAL Corn Head Clinic Guide - GT... -
Page 6: Maintenance Schedule
EVERY 250 HOURS OR ANNUALLY CHECK Inspect Gathering Chain Wear Guides Oil Gathering Chains LUBRICATE Folding Joints Cross-Auger Slip Clutch(s) IF PERFORMING ANNUAL MAINTENANCE, COMPLETE THE 20, AND 100-HOUR SERVICES, IN ADDITION TO THE 250-HOUR SERVICE Corn Head Clinic Guide - GT... -
Page 7: Down Corn
EVERY 250 HOURS OR ANNUALLY CHECK Inspect Gathering Chain Wear Guides Oil Gathering Chains LUBRICATE Folding Joints Cross-Auger Slip Clutch(s) IF PERFORMING ANNUAL MAINTENANCE COMPLETE THE DAILY, 20, AND 100-HOUR SERVICES, IN ADDITION TO THE 250-HOUR SERVICE Corn Head Clinic Guide - GT... -
Page 8: Pre-Season
② Check Intermediate Gearbox Oils ③ Check Row Unit Gearbox Oils ④ Check Auger Gearbox Oils ⑤ Check Deck Plate Gaps ⑥ Adjust Gathering Chain Tension ⑦ Grease Gathering Chain Tensioner ⑧ Grease Stalk Rollers Corn Head Clinic Guide - GT... -
Page 9: 20-Hour
③ Grease Folding Tow Shafts 100-HOUR ② Check Intermediate Gearbox Oils ③ Check Row Unit Gearbox Oils ① Check Heavy-Duty Gearbox Oils ④ Check Auger Gearbox Oils ⑤ Check Gathering Chain Tension ⑦ Clean Under Deck Plates Corn Head Clinic Guide - GT... -
Page 10: 250-Hour Or Yearly
250-HOUR OR YEARLY If performing year end service complete the 20, and 100-hour services in addition to the 250-hour service below. ① Inspect Gathering Chain Guides ② Oil Gathering Chains ③ Grease Folding Tow Joints Corn Head Clinic Guide - GT... - Page 11 MAINTENANCE 250-HOUR OR YEARLY (Cont.) ④ Grease Cross-Auger Slip Corn Head Clinic Guide - GT...
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Page 12: Initial Settings
Place an angle finder on the deck plates to check the angle. Whenever the corn head angle is adjusted the snout angle should be adjusted as well. See Section 6.1 in the Operators Manual for further information. Corn Head Clinic Guide - GT... -
Page 13: Head Speed
Excessive butt shelling and poor feeding can occur from the head being operated either TOO FAST or TOO SLOW. The speed that the corn head operates is critical to maintain proper performance with the Drago corn head. Any time the head is adapted to fit a different combine, the gearing should be checked to verify it is correct. -
Page 14: Snout Adjustments
DECK PLATE GAP Check the deck plate gap using tool ST-8 which is available from your local Drago dealer. Place the tool where the curved portion of the deck plate stops. Insert the tool until the tab marked “MIN_F” is between the deck plates. -
Page 15: Deck Plate Tension
Mark the tensioning fork shaft and release the chain. The tensioning fork should have " to “of travel. If adjustment is required see Section 6.7 in the Operators Manual. Corn Head Clinic Guide - GT... -
Page 16: Part Replacement
It is not recommended to flip the stalk roller knives. This may cause material to become wrapped around the rear of the stalk roller damaging the stalk roller seal. Visible Tungsten Wear Limit Edge Wear Corn Head Clinic Guide - GT... - Page 17 The deck plates can become worn over time causing material to hairpin on sharp edges impeding feeding. The wear is typically concentrated on the vertical edge that contacts the crop on the front curve (highlighted area). When this vertical edge becomes thin the deck plates should be replaced. Wear Location Corn Head Clinic Guide - GT...
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Page 18: Performance Parts
SNOUT WEAR POINTS In 2018, Drago introduced a new standard poly wear point for GT corn heads with a new front profile. The standard wear point has a shorter, less aggressive profile, with a higher tip point to help reduce the risk of folding the snouts under. -
Page 19: Troubleshooting
Install Aggressive Gathering Chains Check Head Angle Increase head angle to 23° to reduce trash. If unsuccessful reduce head Install Corn Reel angle to 17° (non-chopping) or 21° (chopping) to allow for better flow. Corn Head Clinic Guide - GT... - Page 20 Do not exceed maximum head speed. Refer to the Head Speed section to determine the maximum combine feeder speed. Install Aggressive Gathering Chains Install Fluff Fingers Install Corn Reel Corn Head Clinic Guide - GT...
- Page 21 Inspect row units for any material buildup or failed parts that may cause it to turn hard. Remove Twin Chop+ Knives Remove the short red knives from the Twin Chop+ chopping gearbox. (keep removed knives paired together). Corn Head Clinic Guide - GT...
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Page 22: Notes
NOTES NOTES Corn Head Clinic Guide - GT... - Page 23 NOTES NOTES Corn Head Clinic Guide - GT...
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Page 24: Service Videos
SERVICE VIDEOS AT YOUR FINGERTIPS Drago has compiled a library of common repair and maintenance videos that are available to the public. They Drago has compiled a library of common repair and maintenance videos that are available to the public. They can be viewed at https://www.dragotec.com/service-video...
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