Part of the Case Operator Manuals.
All 131 pages of this Case Operator Manual (OEM #9-1566) focus on one thing: keeping your 730, 731, 732, 733, 734, 740, 741, 742, 743, 744, 830, 831, 832, 833, 840, 841, 842, or 843 tractor running the way Case intended. Inside you get full specifications for both diesel and spark ignition engines, Case-O-Matic Drive setup, transmission and PTO data, tire and wheel equipment tables, and travel speed charts across every configuration. A thorough lubrication section walks you through every grease point, oil filter service, power steering system, and fluid capacity for the complete drivetrain. Torque the rear wheel hub clamp bolts to 360-400 ft. lbs. and confirm your Case-O-Matic oil filter is serviced on schedule before you put this machine to work. No more digging through binders for the cold-weather starting procedure or Draft-O-Matic adjustment steps. Bookmarked for instant navigation; open it on any device and jump straight to the spec you need.
What's Inside This Case 730/830 Series Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Serial Numbers and Model Designations | 6 | Model Number, Engine Number, Serial Number, Model Designations, Abbreviations |
| Diesel Engine Specifications | 7-8 | General, Piston and Connecting Rods, Main Bearings, Engine Lubricating System, Fuel Injection System, Fuel Filters, Fuel Gauges and Fuel Tank |
| Spark Ignition Engines Specifications | 9-10 | General, Piston and Connecting Rods, Main Bearings, Engine Lubricating System, Gasoline Fuel System, Lp Gas Fuel System, Distributor Ignition, Static Timing |
| General Specifications | 11-17 | Cooling System, Electrical System, Brakes, Case-O-Matic Drive, Standard Clutches, Transmission, Power Take-Off, Belt Pulley |
| Front Wheel Tread Spacing | 18 | Cast Iron, Pressed Steel, Standard Front Wheel Spacing, Dual Front Wheel Spacing, Standard Adj. Axle Spacing, Wide Adj. Axle Spacing, High Clearance Adj. Axle Spacing |
| Power Shift Rear Wheel Tread Spacing | 19 | Shifting Positions, Wheel Position on Axle, 88 Standard Rear Axle, 108 Rear Axle |
| Rear Wheel Tread Spacing (Standard & Universal) | 20 | Wheels Dished in, Wheels Dished Out, General Purpose with 15.5-38 Tires, High Clearance with 15.5-38 Tires, Four Wheel with 16.9-30 Tires |
| Travel Speeds | 21 | Standard and Special Four Wheels, General Purpose, High Clearance, Grove, Standard Clutch - 1700 RPM, Case-O-Matic Drive - 1900 RPM |
| Fuel Specifications | 22-24 | Gasoline, Lp Gas, Diesel, Fuel Conditioners |
| Lubrication | 25-39 | Recommendations and Capacities, Lubrication Chart All Except Grove Tractor, Lubrication Chart Grove Tractor, Engine Lubrication, Engine Oil Filter, Air Cleaner |
| Safety Precautions | 40-41 | Towing |
| Operating Instructions | 42-88 | Run-In Procedure, Pre-Starting Check List, Operating Controls and Instruments, Starting Procedure, Stopping Procedure, Cold Weather Operation, Cold Weather Starting Procedure |
| Preventive Maintenance | 89-126 | Cooling System, Thermostat Replacement, Radiator Shutters, Cleaning the Cooling System, Fan Belt, Power Steering Drive Belt, Diesel Fuel System, Bleeding Diesel Fuel System |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Rear Wheel Hub Clamp Bolt Torque | 360-400 ft. lbs. | p. 83 |
Case 730/830 Series Common Problems This Manual Covers
Case 730 power shift rear wheel slipping on axle or making clunking noises during field operation p. 83
Torque all four clamp bolts on each rear wheel hub equally in three increments as detailed on page 83. Tighten the bolts initially to 70-80 ft. lbs., increase to 150-160 ft. lbs., and finish with a final torque of 360-400 ft. lbs. to prevent axle slipping.
Manual Section: Operating InstructionsVintage tractor clutch pedal fails to engage properly or idle becomes irregular when pedal is pressed p. 89
Check the clutch pedal linkage for wear if shifting the Case-O-Matic drive at 1900 RPM. Verify the pedal is fully depressed before shifting. Inspect the transmission oil level and adjust the standard foot clutch linkage as outlined in the preventive maintenance section starting on page 89.
Manual Section: Preventive MaintenanceFront wheel exhibits end play or humming noise during operation after hub cap removal
Remove the hub cap and inspect the slotted adjusting nut on the front wheel spindle. Tighten the nut to seat the bearing, then back it off exactly 1/6 turn to provide proper backlash. Insert a new cotter pin to lock the nut securely and prevent humming.
Manual Section: Wheel and Axle AdjustmentsGeneral purpose rear wheels rubbing against fenders or implements after installing new tires p. 20
Measure the rear wheel tread spacing when using 15.5-38 tires. Adjust the wheels dished in or dished out according to the standard and universal specifications on page 20. Torque the hub clamp bolts to 360-400 ft. lbs. after setting the correct width to ensure safe operation.
Manual Section: Rear Wheel Tread Spacing (Standard & Universal)Frequently Asked Questions
Why do the rear wheels slip on the axle or make clunking noises on the Case 730 or 830 series tractor?
Torque all four clamp bolts on each rear wheel hub equally in three increments as detailed on page 83. Tighten the bolts initially to 70-80 ft. lbs., increase to 150-160 ft. lbs., and finish with a final torque of 360-400 ft. lbs. to prevent axle slipping.
Why does the Case 730, 830 clutch pedal fail to engage properly or idle become irregular when the pedal is pressed?
Check the clutch pedal linkage for wear if shifting the Case-O-Matic drive at 1900 RPM. Verify the pedal is fully depressed before shifting. Inspect the transmission oil level and adjust the standard foot clutch linkage as outlined in the preventive maintenance section starting on page 89.
Why does the Case 730, 830 front wheel exhibit end play or humming noise during operation?
Remove the hub cap and inspect the slotted adjusting nut on the front wheel spindle. Tighten the nut to seat the bearing, then back it off exactly 1/6 turn to provide proper backlash. Insert a new cotter pin to lock the nut securely and prevent humming.
How do you adjust the rear wheel tread spacing on the Case 730, 830 series tractor after installing new tires?
Measure the rear wheel tread spacing when using 15.5-38 tires. Adjust the wheels dished in or dished out according to the standard and universal specifications on page 20. Torque the hub clamp bolts to 360-400 ft. lbs. after setting the correct width to ensure safe operation.
What format is this Case 730, 830 Series Tractors Operator Manual in?
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