This is the factory service manual for the Flexi-coil 5000 Air Drill, models AD.A and AD.B, publication DR-015V2, covering 232 pages of repair and adjustment procedures. It is written for owners, farm shops, and independent technicians who service these air drills in the field.The manual walks through every major system: air drill leveling and depth adjustment, mechanical service and troubleshooting, hydraulic cylinder reseal and repair, electrical connector service, trips, openers and press wheel service, the air delivery system, and endmarker service. Torque values, tire pressures, and trip release pressures are all listed so you can set the machine correctly.With this PDF you can diagnose seeding and depth problems, rebuild cylinders, service the openers and press wheels, and balance air flow across the headers, using the same information the dealer technician works from.
What's Inside This Flexi-coil AD.A, AD.B Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 9-40 | Important Information, Service Tools |
| Adjustments | 41-54 | Air Drill Leveling (Center Section Initial Leveling, Wing Initial Leveling, Final Leveling, Depth Adjustment, Setting the Depth Gauge), Floating Hoe/Shank Adjustments |
| Mechanical Service | 55-102 | Troubleshooting Tables, Servicing Safety Precautions (Clearance, Leveling, Bent Shanks, Tire Pressure, Dull or Worn Shovels), Grease Locations |
| Hydraulics | 103-136 | Replace Seals in Cylinders, Disassembly of Cylinders, Inspection, Reassembly of Cylinder, Replacing the Cylinder on the Machine, Hydraulic Cylinder Details |
| Electrical | 137-156 | Connector Service Kit (Contact Replacement, Contact Removal, Contact Insertion, Terminal Replacement, Amp Crimping Procedure) |
| Trips, Openers, and Press Wheelservice | 157-194 | Bolt Torque Information, Grease Locations, Troubleshooting Tables, Tools and Kits |
| Air System | 195-206 | Troubleshooting Tables, Hoses, Theory of Operation - Air System (Balancing the Air Flow), Determining Adequate Carrying Velocities (Open Hose Method), Header Assemblies |
| Endmarker Service | 207-228 | Endmarkers (Safety During Operation, Safety Decals, Decal Locations) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Bolt Torque (1/4 UNF Grade 5 Dry) | 10.8 N·m (8 lbf·ft) | p. 33 |
| Depth Gauge Setting | Slide the chain mounts forward or backward along the bottom parallel arm of the front caster until the needle of the indicator arm reads zero. | p. 51 |
| Troubleshooting: Shovels not entering ground | Lower the shank to enter the suitable amount of soil. Optional spacer blocks are available which will lower the shanks. Contact the parts department. | p. 57 |
| Bolt Torque (1/2 UNC Grade 8 Dry) | 163 N-m (120 lbf-ft) | p. 33 |
| Air Drill Depth (all configurations) | 8.8 meters (29 feet) | p. 34 |
| Transport Width (all configurations) | 6.2 meters (20'6") | p. 34 |
| Implement Weight (27' machine, 45 shanks, Hoe/Trip Shank, 2 1/4" Steel Press Wheels) | 6546 kg (14431 lbs) | p. 35 |
| Spring Cushioned Trip Force (7/8 x 2" shank, 47" sweeps) | 160 kg (350 lb) | p. 38 |
| Adjustable Floating Hoe-Style Shank Pressure Range | 27.2 to 104.3 kg (60 to 230 lb) | p. 38 |
| Tire Pressure (9.5L-15 FI "D" LOAD RANGE) | 413 kPa (60 psi) | p. 68 |
| Wheel Bolt Torque (9.5L-15 FI "D" LOAD RANGE) | 170 N-m (125 lbf-ft) | p. 68 |
| Trip Mount V-bolt Torque (350 lb release trips) | 240 N-m (175 lbf-ft) | p. 194 |
Flexi-coil AD.A, AD.B Common Problems This Manual Covers
Shovels not entering the ground
Shanks that ride up and refuse to penetrate leave seed too shallow. The troubleshooting tables walk through lowering the shank and fitting optional spacer blocks so the shovels reach the correct soil depth.
Manual Section: Mechanical Service p. 55Hydraulic cylinder leaking or weak
Worn seals let a lift or depth cylinder bleed down and lose holding force. This section covers cylinder disassembly, seal replacement, inspection, and reassembly.
Manual Section: Hydraulics p. 103Inconsistent seeding depth
Uneven depth across the drill usually traces to leveling and depth gauge setup. The adjustments section covers center and wing leveling, final leveling, and setting the depth gauge to zero.
Manual Section: Adjustments p. 41Monitor or connector faults
Erratic monitor readings and dropped signals on air drills often come from corroded or bent pins at the connectors. The electrical section covers the connector service kit, contact removal and insertion, and terminal replacement.
Manual Section: Electrical p. 137Trips releasing at wrong pressure
Shanks that trip too early or stay planted need the trip release pressure reset. This section covers trip adjustment, shim installation, and the trip mount torque specifications.
Manual Section: Trips, Openers, and Press Wheel Service p. 157Uneven air flow to the openers
Plugged runs or poor distribution starve some openers of seed. The air system section covers hoses, balancing the air flow, and determining adequate carrying velocities.
Manual Section: Air System p. 195Frequently Asked Questions
Which machines does this manual cover?
It is the service manual for the Flexi-coil 5000 Air Drill in both AD.A and AD.B configurations, publication DR-015V2. It applies to units from the starting serial numbers listed on the cover, including AD.A0000-K038301 and AD.B0000-S068601.
Where are the bolt torque specifications?
The General Information section lists bolt torque values, including 10.8 N-m (8 lbf-ft) for a 1/4 UNF Grade 5 dry fastener and 163 N-m (120 lbf-ft) for a 1/2 UNC Grade 8 dry fastener. p. 9
Can I use it to reseal a hydraulic cylinder?
Yes. The Hydraulics section covers replacing seals in cylinders, full disassembly and inspection, reassembly, and refitting the cylinder on the machine. p. 103
Does it explain how to set seeding depth?
Yes. The Adjustments section covers air drill leveling and depth adjustment, including sliding the chain mounts along the parallel arm until the indicator needle reads zero. p. 41
How quickly can I access this Flexi-coil AD.A, AD.B manual after buying?
Instant PDF download. The full 232-page searchable Service Manual lands in your hands right after payment. Open it on a laptop, tablet, or phone in the shop.
Can I print this Flexi-coil AD.A, AD.B manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Are there wiring harness diagrams in this Flexi-coil AD.A, AD.B manual?
Complete wiring diagrams are included, covering all electrical circuits, harness routing, and connector pinouts for the Flexi-coil AD.A, AD.B.
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