This Flexi-coil AD.A, AD.B Service Manual (OEM #DR-015V2) stays on one machine: the 2002-2004 Air Drill, from trip assemblies and press wheels down to endmarker hydraulics and air system balancing. Hydraulic schematics walk full cylinder teardown and reassembly for every Prince, Hydro-Line, and Monarch variant on the drill. Wiring diagrams cover connector service for Deutsch, Packard, and DTM series contacts. Step-by-step mechanical procedures and five troubleshooting tables span casters, shanks, openers, and the air system. Torque your 1/2 UNC Grade 8 fasteners to 163 N-m, set 1/4 UNF Grade 5 hardware to 10.8 N-m, and confirm drill depth at 8.8 meters before you drop the wings. Planting season won't wait. Bookmarked and keyword-searchable, it goes wherever you take your tablet.
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
Monitor shows erratic readings, and the wrong number of flow remotes is reported at power-up p. 137
Inspect the cart-to-tool connections for corroded or bent pins. Verify power and ground circuits to the brain box. Replace faulty terminators using the connector service kit procedures on page 137. Torque 1/4 UNF Grade 5 Dry electrical mounting bolts to 10.8 N-m (8 lbf-ft).
Manual Section: ElectricalShovels refuse to enter the ground evenly and trip mount V-bolts break repeatedly during field operation p. 57
Lower the shank to enter a suitable amount of soil. Install optional spacer blocks to lower the shanks further if needed, as outlined in the troubleshooting procedures on page 57. Torque the trip mount V-bolts for 350 lb release trips to exactly 240 N-m (175 lbf-ft).
Manual Section: Mechanical ServiceBack-to-front and side-to-side depth differences cause inaccurate seed placement across the implement width p. 68
Verify all tire pressures match the required specifications to prevent uneven frame height. Inflate the 9.5L-15 FI D load range tires to exactly 413 kPa (60 psi) as specified on page 68. Slide the depth gauge chain mounts until the indicator arm reads zero.
Manual Section: Mechanical ServiceDrill monitor faults persist after a basic reset and the control system loses functionality intermittently p. 33
Test the wiring harness and flow remote for underlying electronic faults rather than simple software glitches. Inspect the relay and fuse by the cart battery. Secure all connections and torque any 1/2 UNC Grade 8 Dry grounding hardware to 163 N-m (120 lbf-ft) per page 33.
Manual Section: General InformationFrequently Asked Questions
What are the torque specs for Flexi-Coil AD.A/AD.B components?
Torque values vary by part on the AD.A/AD.B. The 6-bolt wheel bolts take 167 N-m (125 lbf-ft). On 550 pound release trips, the 7/8" grade 8 trip mount V-bolts need 610 N-m (450 lbf-ft). For other grades and sizes, check the 'Bolt Torque Information' tables on pages 32-33.
How do I calibrate a Flexi-Coil AD.A air drill?
Spread width calibration starts with a trial run. Match the fan speed to your actual field operations, then set several deflectors across the machine in different adjusting holes. Run about 9 to 12 meters (30' to 40'), inspect the spread pattern, and select the setting you want. The full procedure sits in the 'Adjustable Openers/Boots - Considerations' section on page 159.
What are the replacement specifications for terminator?
If 'terminator' means electrical terminals, see 'Terminal Replacement (Weather Pack)' in the ELECTRICAL section. Crimp Tool 14623 (Pioneer Packard P/N 12085115) handles male and female weather pack terminals on 14, 16, 18, and 20 gauge wires (2 mm - 5 mm). Strip the wire to 0.175 ± 0.02 mm (0.175 ± 0.02 in).
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?
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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.
Document Quality
This document is a scanned PDF, but it includes an OCR layer, allowing you to search and copy the full text content. The text throughout the manual is crisp and consistently easy to read, with no blurry or faded sections. Diagrams and illustrations, including exploded views and safety pictograms, are clear line drawings or high-resolution raster images, and all labels are fully readable. Pages are clean and free from scan artifacts, stains, or skewed content, though several pages are intentionally left blank as noted within the document.
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