Case/International 385, 485, 585, 685 & 885 Diesel Tractor Shop Manual 1985–1990

• Covers the 1985–1990 Case/International 385, 485, 585, 685, and 885 diesel tractors, detailing engine, drivetrain, hydraulic, and electrical systems.
• Provides factory service data essential for daily workshop troubleshooting and professional rebuilds.
• Features 161 exploded-view diagrams to help you quickly identify engine, axle, differential, and hydraulic components.
• Delivers verified clearance and torque values across 97 pages of technical PDF documentation (including OEM P/N references).
• Details overhaul procedures for Robert Bosch injection pumps, Danfoss hydrostatic steering, ZF front drive axles, synchromesh speed transmissions, Forward-Reverse shuttle units, independent power take-off (PTO), multiple control valves (MCV), and rockshafts.
• Outlines adjustments and maintenance for auxiliary control valves, differential locks, engine balancers, transfer gearboxes, brake master cylinders, priority flow dividers, and ether starting aids.

Component and Systems Documentation

Getting a clear picture of this machinery's structure is half the battle. This manual breaks down the entire tractor assembly, making it an indispensable repair resource for mechanics and DIY rebuilders. You'll find exact specifications for engine components like pistons, sleeves, and rings, alongside deep dives into the cooling and fuel systems. Chasing an electrical issue? The documentation maps out charging circuits and starting motors, providing reliable diagnostic thresholds and wiring component locations. Drivetrain coverage is equally thorough. It details two-speed power shift and range transmission overhauls, plus routine maintenance procedures for the front-wheel-drive axle and planetary hubs.

To save you from expensive dealership visits, the text highlights step-by-step procedures for complex tasks, such as safely splitting the tractor using a Churchill support tool, accurately timing the injection pump, adjusting the hydraulic lift draft controls, and bleeding the self-equalizing wet disc brakes. To visualize these procedures, the manual integrates specific visual aids like cross-sectional views of the water pump, cutaway views of special tools, bevel ring gear tooth contact patterns, engine test speed charts, and shim thickness charts.

Specification and Technical Preview

Depending on the exact cylinder configuration, engine displacement ranges from 155 to 268 cubic inches. The factory crankshaft main journal diameter is set at 3.1484 to 3.1492 inches across the board. When dealing with valves, precision matters. The intake valve tappet gap runs at 0.012 inches on a warm engine, while cylinder head intake valve clearance sits tight at 0.0016 to 0.0025 inches. Coolant capacity for the larger 585–885 models hits 3.6 U.S. gallons. Before diving into any of these systems, ensure the tractor is properly secured and depressurized to prevent accidental injury during diagnostics. For the running gear, you'll need SAE 90 EP oil specifically for the front drive axle hubs.

A specific advantage of this documentation for daily workshop use is the ability to accurately calculate planetary shim thicknesses and adjust bevel ring gear backlash directly on the bench, preventing improper gear meshing and costly drivetrain failures. If you're looking to understand exactly what an OEM service publication covers, this specific guide delivers the unvarnished factory schematics needed for a professional overhaul.