Case Heavy Offset 790 Disk Harrow Operator's Manual
128 pages · Publication 90414173
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- Models
- Heavy Offset 790
- Serial coverage
- PIN JFH0022750 - YBD056432
- YAB79000 and after
- Manual type
- Operator's Manual
- Pages
- 128
- Publication
- 90414173
- Condition
- Brand new
What's inside
From the manual's own table of contents: 20 sections, 67 entries. See sample pages (PDF, 516 KB)
Safety signs45 topics
- Field operation
- Attaching the implement to the tractor
- Hydraulic hose connections
- Transport lighting
- Disconnecting the implement
- Transporting on public roads
- Transport/maintenance stops
- Before operating
- Setting depth
- Initial machine leveling
- Disk gang adjustments
- Depth control adjustment
- Disk scraper adjustment
- Charging the hydraulic system
- Working operations
- Maintenance safety
- Consumables
- Torque
- Special bolt torque
- Torque - Standard torque data for hydraulic connections
- Lubrication and maintenance chart
- Lubrication points
- Tire pressure
- Cushion leveling assembly spring length
- Disk blades
- Arbor bolts
- All-purpose disk gang assembly
- Plowing disk gang bearing assembly
- Disk gang layouts
- Wheel bolt torque
- Upper rockshaft bearing grease locations
- Lower rockshaft bearing grease locations
- Wing gang hinge grease locations
- Wing cylinder extension grease locations
- All-purpose disk gang bearing grease locations
- Plowing disk gang bearing grease locations
- mainframe wheel bearings
- Cushion leveling assembly trunnion grease location
- Pull frame turnbuckle grease locations (if equipped)
- Repack the main frame wheel bearings
- Single point depth control (SPDC) lubrication point
- Preparing for storage
- Removing from storage
- Field performance
- Component breakage
Disk blade size2 topics
- All purpose disk - 10-1/2 in front and rear disk blade spacing
- Plowing disk - 12 in front and rear disk blade spacing
Inside this manual
Real pages from this operator's manual (128 pages). Open the sample pages (PDF, 515 KB)
- Controls and operation, page 31: 3 - OPERATING INSTRUCTIONS
- Maintenance, page 79: MAINTENANCE CHART
- Specifications, page 121: 8 - SPECIFICATIONS
This is an operator's manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 128 pages
Quantity one is the manual described above.
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60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).