All 110 pages of this Case IH 8455 and 8465 Round Baler Operator Manual (OEM #9-22858) are built around one goal: keeping your round baler running safely through every cutting season without a dealer call. Inside: hydraulic schematics with full baler control valve fluid routing, wiring diagrams for electrical troubleshooting, and a thorough Maintenance section covering drive chain adjustment, forming belt replacement, and lubrication schedules. Operations walks you through PTO controls, windrow prep, bale density adjustment, and the complete automatic mode baling cycle, backed by Safety coverage on rotating driveline hazards and tailgate risks. Set your slip clutch spring to 1.4 IN (35.5 mm) for rated drive protection; minimum bale diameter is 50 IN. Your machine is down and the hay won't wait. Keyword-searchable and bookmarked by section; grab your tablet, walk to the baler, and get back to work.
What's Inside This Case IH 8455, 8465, 8455 Round Baler, 8465 Round Baler Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Specifications | 5 | Weights and Dimensions, Baling Size, Bale Chamber, Tires, Drives, Hydraulic System |
| Serial Numbers | 6 | Model Number, Product Identification Number, Model Number and Product Identification Number Plate |
| Checklist | 7 | Daily, Before Each Season Checklist |
| Safety Precautions | 8-13 | Safety Information, Safety Decals, Rotating Driveline, Baler Implement Drive Line, Moving Belts and Rollers, Tailgate |
| General Information | 14-15 | Warning, Introduction, Serial Number Location, Replacement Parts |
| Description | 16-21 | General Information, Pickup Assembly, Drive System, Baler Hydraulic Control Valve, Electrical System, Baler Control Console |
| Servicing | 22-25 | Lubrication Information, Gearbox, Roller Chains, Grease Fittings, Implement Drive Line, Tension Arms |
| Preparation | 26-30 | Each Morning Preparation, Tractor Drawbar and PTO Dimensions, Tractor Connection, Types of Twine, Twine Threading, Twine Tensioners |
| Operation | 31-46 | PTO Controls, Windrow Preparation and Care, Bale Density Adjustment, Cylinder Stop Collars, Baling Procedure in the Automatic Mode, Ejecting the Bale |
| Maintenance | 47-76 | Bearing Replacement, Hydraulic Schematic, Drive Chain Adjustment, Twine Tension Adjustment, Forming Belt Replacement, Drive Speed Conversion |
| Maintenance - Electrical | 77-89 | Supply Voltages, Troubleshooting Electrical Malfunctions, Electrical System Chart, Solenoid Energizing Test, Location and Identification of Switches, Bale Shape Sensor Adjustment |
| Troubleshooting | 90-99 | Auto Mode System, Baler, Twine Cuts Procedures |
| Forming Belt Warranty Information | 100-101 | Forming Belts Eligible for Warranty Replacement, Baler Belts Not Eligible for Warranty Replacement, Baler Belts Damaged by Accumulation or Crop and/or Foreign Objects |
| Storage | 102 | End of Season Lubrication, End of Season Cleaning, Removing Rollers, Storing Forming Belts, Winter Storage of Bales |
| Extra Equipment | 103-105 | Gathering Wheel Kit, Short Crop Kit, Fire Extinguisher Kit, Warning Light Kit, Hydraulic Pickup Lift Kit, Net Wrap Attachment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Slip Clutch Adjustment - Spring Length | 1.4 IN (35.5 mm) | p. 50 |
| Belt width | 7 IN (178 mm) | p. 5 |
| Number of bale forming rolls | 14 | p. 5 |
| Bale diameter (minimum) | 50 IN (1219 mm) | p. 5 |
| Bale density (average) | 11 LB-FT (176 kg/m³) | p. 5 |
| Tire pressure | 35 psi (2.4 bar) | p. 5 |
| Wheel bolt torque | 120 LB-FT (165 N-m) | p. 5 |
| PTO speed (standard) | 540 rpm (r/min) | p. 5 |
| Recommended minimum PTO hp | 70 hp (52 kW) | p. 5 |
| Gearbox lubricant quantity | 1.75 pints (.8 litres) | p. 5 |
| 8455 | ||
| Bale width (8455) | 46.5 IN (1181 mm) | p. 5 |
| 8465 | ||
| Bale width (8465) | 61.5 IN (1562 mm) | p. 5 |
Case IH 8455, 8465, 8455 Round Baler, 8465 Round Baler Common Problems This Manual Covers
Case IH 8455 hydraulic twine arm won't swing into tying position, bale releases untied p. 90
Check the flow control valve on the hydraulic twine arm circuit. Verify PTO is running at 540 rpm (r/min) before initiating the tie cycle. Inspect the timing plate and pie-shaped position disk alignment per the troubleshooting chart on page 90. If the arm stops short, check the shear bolt before resuming baling.
Manual Section: Bale Size and Twine Arm MalfunctionsTwine not cutting cleanly or wrapping loose on bale after tying sequence completes
Verify twine tension is set correctly and PTO is at 540 rpm (r/min) before starting the tie sequence. Check the twine knife for dullness or debris buildup. Confirm the twine arm completes its full travel arc. Trace solenoid connections using the wiring diagram on page 82 and look for corrosion or loose terminals.
Manual Section: Twine System Indicators and OperationFinished bale is tapered or one end stays noticeably smaller than the other
Check crop distribution across the pickup width before baling. Steer the tractor to center the windrow under the pickup. Adjust bale density using the density adjustment control; target average density is 11 LB-FT (176 kg/m³). Review windrow preparation guidelines on page 31 to ensure consistent feed width across each full baling pass.
Manual Section: Baler Performance and Bale QualityPickup stops operating mid-field or fails to clean up the windrow completely
Stop the tractor and disengage PTO immediately if the pickup jams. Clear crop buildup from under the pickup before restarting. Verify PTO speed is at 540 rpm (r/min) and check the clutch slip spring: it should measure 1.4 IN (35.5 mm) as shown on page 50. Overtightening the clutch reduces drive protection.
Manual Section: Drive System and Clutch MalfunctionsTailgate won't raise after bale full alarm sounds, bale stuck in chamber
Verify the hydraulic control valve is in the correct position and tractor hydraulic pressure is available. Check the gate up switch and ejector switch connections; trace the circuit using the wiring diagram on page 82 to find breaks or corrosion. Confirm your tractor meets the 70 hp (52 kW) minimum PTO rating for proper hydraulic operation.
Manual Section: Tailgate and Ejector System IssuesForming belts slipping or showing premature wear after only a season or two p. 7
Complete the daily pre-operation checklist on page 7 before each use. Inspect all 14 bale forming rollers for debris and bearing play. Verify belt tension is correct and check the gearbox lubricant level; capacity is 1.75 pints (0.8 litres). At end of season, follow storage procedures on page 102 to prevent belt flat spots during winter.
Manual Section: MaintenanceFrequently Asked Questions
What do error codes on the Case IH 8455 round baler monitor indicate?
The baler monitor indicates error codes by flashing the READY (Power) light and sounding an audible alarm. The error codes, ranging from 6 to 11, correspond to specific electrical malfunctions such as a shorted or open twine solenoid, a shorted or open ejector solenoid, or both the GATE DOWN and GATE UP switches being closed. For example, code 6 indicates a "Twine Solenoid SHORTED", and code 11 indicates "GATE DOWN and GATE UP switches both CLOSED".
How to fix twine arm plugging issues on Case IH 8455?
To fix twine arm plugging issues, several corrections can be applied depending on the cause. If the twine hanging from the tube is too short, pull it out by hand to extend it 12-1/2 IN. For issues with too much tension on the twine feed, release spring tension just enough to allow the twine end to begin wrapping, ensuring the spring length is adjusted to 1-9/16 IN in the twine box.
How to adjust belt tension and slip clutch on Case 8465A?
To adjust the slip clutch, ensure it is properly set when the spring length measures 1.4 IN (35.5 mm). For belt tension, if the drive belt is loose, increase tension on the drive belt tightener idler, adjusting the spring length to be between 9-7/8 IN to 10 IN inside of the hooks. To loosen forming belts for maintenance, turn the belt tension release knob counterclockwise two turns until pressure is released.
How do you fix case IH 8455 hydraulic twine arm won't swing into tying position, bale releases untied?
Check the flow control valve on the hydraulic twine arm circuit. Verify PTO is running at 540 rpm (r/min) before initiating the tie cycle. Inspect the timing plate and pie-shaped position disk alignment per the troubleshooting chart on page 90. If the arm stops short, check the shear bolt before resuming baling.
What do I get after purchasing this manual?
Immediate download of the complete 110-page searchable Operator Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Can I print this manual?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
Does this manual have wiring diagrams?
Yes, an electrical wiring diagram is included to help trace the main circuits.










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