Your Case IH A7000, A7700, 7000, and 7700 service training manual (OEM #87463371) runs 314 pages into every system on the 2006-2007 Sugar Cane Harvester, from basecutter gear train to elevator drive. Inside you get full hydraulic circuit diagrams covering the basecutter, rollers, chopper, primary extractor, and transmission, plus complete wiring schematics for starter circuits, sensors, switches, and harness routing. Packed with exploded-view teardowns for mechanical components, step-by-step repair procedures for Eaton hydrostatic transmissions and Vickers vane pumps, and a troubleshooting section for tracing electrical faults to the source. The chopper drum relief valve runs at 2750 psi; torque the commercial gear motor bolts to 271.16 Nm before buttoning up the hydraulic compartment. Every hour of downtime costs you money. Download it, pull it up on your tablet at the machine, search by keyword, and fix it right the first time.
What's Inside This Case IH A7000, A7700, 7000, 7700 Manual
| System | Pages | Key Topics |
|---|---|---|
| General Informations | 7 | To the User of This Manual, Important, This Manual’s Part Number, Copyright |
| Specifications | 8-26 | Harvester Safety Hints, Abreviations, Engine Specification (Scania Ds 11, Cummins M11C-330, Cummins QSM11-330, Case Cursor 10.3) |
| Mechanical Components | 27-114 | How the Harvester Works, Cane Flow Diagram, Cleaning Systems Diagram, Araldite, Shredder Topper, Standard Topper, Side Trim Knives, Crop Dividers |
| Hydraulic Circuits | 115-168 | Hydraulic Systems Generally, Hydraulic System Pressure Checks, Hydraulic Oil, Flow Divider, Basecutter Circuit, Rollers and Chopper Circuit, Primary Extractor Circuit |
| Hydraulic Components Repair | 169-232 | Basecutter Control Manifold, Chopper Control Manifold, Gear Motors, Vane Pumps, Hydrostatic Transmission, Eaton Repairs, Charge Pump and Check Valves, Manual Displacement Control |
| Electric System | 233-314 | Panel, Starter Circuit, Murphy Relay, Alternator, Tachometer, Sensors and Switches, Air Condicioner, Air Filter |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Commercial M50/30 Gear Motors | ||
| Gear Housing Wear Tolerance (M50/30) | 0.005" cut out in suction side | p. 173 |
| Commercial M30, M50, M51, M350 Gear Motors | ||
| Assembly Torque for Gear Motor Bolts | 200 Ft. bs. (271.16 Nm) | p. 173 |
| Scania DS11 | ||
| Engine Horsepower | 332 HP | p. 10 |
| Cummins M11 | ||
| Engine Oil Capacity | 38 Litres | p. 10 |
| All Models | ||
| Chopper Drums Relief Valve Pressure | 2750 psi | p. 12 |
| Basecutter Oil Supply (Eaton Vickers) | 85 gpm | p. 13 |
| Transmission High Pressure Relief | 6500 psi | p. 17 |
| AC High Pressure Switch | 320 psi +/- 20 psi | p. 18 |
| Reduction Hub Bearing Preload | 20 lbs pull | p. 20 |
| Hydraulic System Oil Capacity | 480 Lts | p. 21 |
| Engine Fuel Cetane Number | not less than 35 | p. 22 |
| Scania, Cummins | ||
| Alternator Output (Delco-Remy) | 24V, 100A | p. 18 |
Case IH A7000, A7700, 7000, 7700 Common Problems This Manual Covers
Case IH A7000 track frame bearing worn or distorted, weight not shared evenly between tracks
Inspect the track frame bearing for zero preload and zero endfloat; both indicate wear or housing distortion. Set bearing preload to 20 lbs pull (page 20) using a spring scale at the hub. Check for housing bore out-of-round before fitting a new bearing, and confirm load transfers evenly between both tracks after adjustment.
Manual Section: Track System Maintenance and Wear DiagnosisEngine won't crank at all, or turns over too slowly to fire
Check battery electrolyte specific gravity first: a fully charged cell reads 1.250 at 27°C (page 25). Then follow the starter circuit troubleshooting sequence: test voltage at the starter solenoid, verify ground straps are clean and tight, and measure voltage drop across each cable under cranking load.
Manual Section: Starter Circuit TroubleshootingEngine fires and runs briefly, then dies the moment override button is released
Verify the Murphy oil pressure sender is delivering a valid signal before the override releases. Check for 24V supply at the Murphy relay coil; if voltage drops below threshold, the relay won't hold. The Delco-Remy alternator on Scania/Cummins-equipped machines outputs 24V at 100A (page 18). Inspect relay terminals for corrosion and confirm oil pressure sender circuit continuity.
Manual Section: Murphy Relay Testing and TroubleshootingGear motor running hot and losing output flow, roller or chopper section underperforming p. 173
Remove the gear motor and inspect the housing bore on the suction side; wear beyond 0.005" cut-out (page 173) means the housing must be replaced, not just the gears. Clean all passages, replace seals and O-rings, then reassemble and torque housing bolts to 200 ft. lbs. (271 Nm). Test output flow and temperature after reinstallation.
Manual Section: Hydraulic Components RepairBasecutter discs stalling or spinning slowly through heavy green cane at ground level p. 115
Check hydraulic supply flow to the basecutter circuit: rated supply from the Eaton Vickers pump is 85 gpm (page 13). Inspect the basecutter relief valve setting and adjust if pressure has drifted. Verify the flow divider is not bypassing supply to another circuit; clean the filter screen and check for internal leakage at the control manifold.
Manual Section: Hydraulic CircuitsChopper drums slowing under load with cane pieces coming out cut too long
Measure chopper circuit relief pressure: it should hold at 2,750 psi (page 12). If pressure reads low, locate and adjust the chopper relief valve, then retest. Inspect the hydraulic motor for internal bypass; worn gear clearances bleed flow under load and drop drum speed. Verify hydraulic oil temperature stays within range, since heat-thinned oil loses effective pressure fast.
Manual Section: Hydraulic CircuitsFrequently Asked Questions
What are the replacement specifications for Hydraulic motor M50A?
For the Topper (Shredder) drive, the hydraulic motor is a Commercial M50 2 1/4” Gear. For the Secondary Extractor drive, it is a Commercial M50 1 1/2” Gear. When inspecting gear housings, a wear tolerance of 0.005" cut out in the suction side is specified for M50/30 motors, after which replacement is necessary.
How do you fix case IH A7000 track frame bearing worn or distorted, weight not shared evenly between tracks?
Inspect the track frame bearing for zero preload and zero endfloat; both indicate wear or housing distortion. Set bearing preload to 20 lbs pull (page 20) using a spring scale at the hub. Check for housing bore out-of-round before fitting a new bearing, and confirm load transfers evenly between both tracks after adjustment.
How do you fix engine won't crank at all, or turns over too slowly to fire?
Check battery electrolyte specific gravity first: a fully charged cell reads 1.250 at 27°C (page 25). Then follow the starter circuit troubleshooting sequence: test voltage at the starter solenoid, verify ground straps are clean and tight, and measure voltage drop across each cable under cranking load.
How do you fix engine fires and runs briefly, then dies the moment override button is released?
Verify the Murphy oil pressure sender is delivering a valid signal before the override releases. Check for 24V supply at the Murphy relay coil; if voltage drops below threshold, the relay won't hold. The Delco-Remy alternator on Scania/Cummins-equipped machines outputs 24V at 100A (page 18). Inspect relay terminals for corrosion and confirm oil pressure sender circuit continuity.
How will I receive this manual?
Immediate download of the complete 314-page searchable Service Training Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Are there any print restrictions on this Case IH A7000, A7700, 7000, 7700?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
Does this manual have electrical diagrams?
Yes, this Case IH A7000, A7700, 7000, 7700 Service Training Manual includes complete electrical wiring diagrams, wire routing, and connector pinouts.
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