Part of the Case IH Repair Manuals.
All 490 pages of this Case IH Precision Hoe 800 Service Manual (OEM #87492443) focus on one machine: your air drill, from hydraulic distribution to seeding air system. Open it and you get full hydraulic schematics covering the primary power system with complete fluid routing, wiring diagrams for the lighting and electronic systems, and a fault code section spanning the entire electronic control architecture. Torque the V-bolts on your opener head bracket to 122.0 N·m (90 lb ft), and set your 1/4-inch hydraulic tube flare fittings to a minimum of 18 N·m — those numbers came straight from the factory floor, not a forum post. Six major systems are covered: distribution, travelling, body and structure, frame positioning, and field processing including the seeding electronic and air systems. Your machine is down and every hour costs money. Get the right number on the first try. Bookmarked and searchable — jump to any section, pull the spec, get back in the field.
What's Inside This Case IH Precision Hoe 800 Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 5-28 | Legal Advice, Foreword, Frame - Decals, Basic Instructions, Torque, Torque - Hydraulic Tubes and Fittings, Dimension, Weight |
| Distribution Systems | 29-324 | Primary Hydraulic Power System, Lighting System, Electronic System, Fault Codes |
| Travelling - D | 325-364 | Front Axle, Wheels and Tracks Wheels |
| Body and Structure | 365-374 | Frame Primary Frame |
| Frame Positioning | 375-444 | Travelling Folding, Frame Levelling |
| Field Processing | 445-490 | Seeding Electronic System, Seeding Air System, Soil Preparation Planting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Installation torque for V-bolts on opener head bracket | 122.0 N·m (90 lb ft) | p. 486 |
| Bolt Torque (1/4 UNF, Dry) | 7.5 Nm | p. 21 |
| Bolt Torque (1/2 UNC, Lubricated) | 88 Nm | p. 21 |
| Hydraulic Tube Torque (1/4 inch, 37° Flared, Min) | 18 Nm | p. 21 |
| Hydraulic Fitting Torque (1/4 inch, O-ring Boss, Steel, Max) | 20 Nm | p. 21 |
| Air Drill Transport Height (15.3 m / 50 ft) | 5.03 m | p. 25 |
| Air Drill Transport Width (15.3 m / 50 ft) | 5.60 m | p. 25 |
| Weight (15.3 m / 50 ft, 25.4 cm spacing, 60 openers) | 13,017 kg | p. 26 |
| Tire Pressure (11L x 15FI (D), Single Caster Outer Wings) | 410 kPa | p. 327 |
| Wheel Bolt Torque (11L x 15FI (D), Single Caster Outer Wings) | 170 Nm | p. 327 |
| Valve Solenoid Coil Resistance | 4 Ω and 8 Ω | p. 176 |
| Crimping Wire Strip Length | 4 +/- 0.5 mm | p. 419 |

















