Part of the Case Repair Manuals.
Test No. 1 on the 1835B Uni-Loader hydrostatic drive reads charge pressure, and Test No. 2 checks charging pump output. If charge pressure was as specified, the book says do Test No. 3 (page 650). After those tests come the piston pump and hydrostatic motor overhaul, the neutral adjustment, and the drive chains and axle housings.
The book covers both engine options for this machine, the 188 diesel and the 148 spark ignition gasoline engine. Maintenance steps are split into If equipped with diesel engine and If equipped with gasoline engine. It also covers the diesel fuel system with Roosa Master injectors, the carburetor, and the wiring diagrams. Loader, auxiliary and backhoe hydraulic diagrams come with the relief valve tests.
When it's just you and the loader in the yard with nobody to call, the numbers are on the page. Keep it on a tablet in the truck or printed in the shop, wherever the machine is working.
What's Inside This Case 1835B Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 1-11 | Table of Contents, Safety Rules, Service Manual Introduction, Product Identification and Serial Numbers, Standard Torque Specifications |
| Maintenance and Lubrication | 12-14 | Fluids and Lubricants Chart, Maintenance Chart and Service Intervals |
| 188 Diesel Engine Specifications | 15-28 | General and Detailed Engine Specifications, Special Torques for the 188 Diesel Engine |
| 148 Spark Ignition Engine Specifications | 29-40 | General and Detailed Engine Specifications, Special Torques for the 148 Spark Ignition (Gasoline) Engine |
| Engine Removal and Accessories | 41-80 | Engine Removal and Installation, Air Cleaner, Muffler, Ether Injection System, Radiator |
| 188 Diesel Engine Diagnosis and Tune-Up | 81-124 | Engine Diagnosis (Fuel, Compression, Combustion), Engine Tune-Up, Engine Hard to Start or Will Not Start, Engine Misfires, Engine Overheats, Engine Lacks Power |
| 188 Diesel Cylinder Head and Valve Train | 125-186 | Cylinder Head, Valve Train and Camshaft |
| 188 Diesel Block, Crankshaft, Oil Pump and Cooling | 187-260 | Cylinder Block, Sleeves, Pistons and Rods, Crankshaft, Main Bearings, Flywheel, Oil Seals, Oil Pump, Thermostat and Water Pump |
| 148 Spark Ignition Engine Tune-Up | 261-298 | Engine Tune-Up for the 148 Spark Ignition Engine, Governor Linkage Adjustments, Checking the Engine Compression, Locating Top Dead Center, Replacing the Distributor Points and Condenser |
| 148 Spark Ignition Cylinder Head and Valve Train | 299-358 | Cylinder Head, Valve Train and Camshaft for the 148 Engine |
| 148 Spark Ignition Block, Crankshaft, Lubrication and Cooling | 359-448 | Cylinder Block, Sleeves, Pistons and Rods, Crankshaft, Main Bearings, Flywheel, Oil Pan, Oil Pump, Water Pump and Fan Belt; Diesel Engine Lubrication (Section 2555) |
| Diesel Fuel System | 449-512 | Throttle Adjustments, Fuel Tank and Lines, Fuel Filters, Fuel Injection Pump, Roosa Master Fuel Injectors |
| Carburetor | 513-536 | Model 68 X 7 Zenith Carburetor for the Gasoline Engine, Removal of Carburetor, Check Operation of Fuel Shutoff Solenoid, Float Level, Cleaning and Inspection |
| Electrical Troubleshooting and Wiring Diagrams | 537-556 | Electrical System Specifications, Troubleshooting Chart, Charging and Starting Circuit Tests, Wiring Diagrams for Diesel and Gasoline Engines |
| Electrical Components | 557-648 | Fuel Gauge and Warning Lamps, Batteries, Starter, Alternator, Distributor Ignition System |
| Hydrostatic Troubleshooting and Diagrams | 649-663 | Hydrostatic System Troubleshooting Tests (Charge Pressure, Charging Pump Output, Circuit Relief Valve), Hydrostatic System Diagrams and Operation |
| Piston Pump and Hydrostatic Motor | 664-763 | Piston Pump and Hydrostatic Motor Removal, Overhaul and Installation |
| Hydrostatic Controls and Drive | 764-832 | Hydrostatic Controls and Neutral Adjustment, Drive Sprockets, Chains and Axle Housings, Drive Coupling, Wheels and Tires |
| Brakes | 833-836 | Parking Latch |
| Hydraulic Specifications, Diagrams and Tests | 837-873 | Hydraulic System Specifications, Hydraulic Diagrams for Loader, Auxiliary and Backhoe Circuits, Troubleshooting, Pressure Checks, Flowmeter Tests, Relief Valve Tests, Cleaning the Hydraulic System |
| Pumps, Control Valves and Cylinders | 874-980 | Equipment and Charge Pump, Loader Control Valve, Auxiliary Control Valve, Backhoe Control Valve, Cylinders |
| Mounted Equipment | 981-1038 | Loader, Backhoe, ROPS Canopy, Operators Seat, Decals, Painting and Noise Control |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| 188 diesel | ||
| Engine option: Case 188 diesel | 188 Cubic Inches (3 081 cm3), Case Open Chamber, 4 Cylinder, 4 Stroke Cycle, Valve-in-Head; Roosa-Master injection pump, timing 4 Degrees Before Top Center | p. 16 |
| Engine speeds, 188 diesel (rated / no load / idle) | 2100 RPM rated; 2285 to 2315 RPM no load; 825 to 875 RPM idle | p. 16 |
| Valve tappet clearance (cold), 188 diesel | 0.014 Inch (0.356 mm) exhaust; 0.012 Inch (0.305 mm) intake | p. 16 |
| 148 spark ignition | ||
| Engine option: 148 spark ignition (gasoline) | 148 Cubic Inches (2 425 cm3), 4 Cylinder, 4 Stroke Cycle, Valve-in-Head; ignition timing static 1 Degree BTC, running 35 Degrees BTC at rated engine speed | p. 30 |
| Engine speeds, 148 spark ignition (rated / no load / idle) | 2100 RPM rated; 2295 to 2325 RPM no load; 775 to 825 RPM idle | p. 30 |
| Valve tappet clearance (cold), 148 spark ignition | 0.014 Inch (0.356 mm) intake; 0.020 Inch (0.508 mm) exhaust | p. 30 |
| All Models | ||
| Fuel tank | 14.5 gallons (55 litres) | p. 12 |
| Crankcase (all engines) | 6 quarts (5.7 litres) without filter change; 7 quarts (6.6 litres) with filter change; Case HDM engine oil | p. 12 |
| Hydraulic system | 8 gallons (30 litres); reservoir 6 gallons (23 litres); SAE 10W40 engine oil with Hydrostatic Transmission Oil Additive B17508, 20 to 1 | p. 12 |
| Chain compartment (each) | 4 quarts (3.8 litres), engine oil SAE30SD | p. 12 |
| Cooling system | 16 quarts (15 litres) | p. 12 |
| Wheel nuts | 80 to 90 pound-feet (108 to 122 N m) | p. 13 |
| Equipment pump output | 14.8 U.S. gallons at 2250 psi at 2200 rpm (56 litres at 15513 kPa) | p. 838 |
| Main relief valve | 2275 to 2375 psi at full throttle (15869 to 16375 kPa) (Loader) / 2125 to 2225 psi at full throttle (14651 to 15340 kPa) (Backhoe) | p. 838 |
| Circuit relief valves, boom and dipper (hand pump) | 2800 to 2850 psi (19309 to 19650 kPa) | p. 838 |
| Charging pump | 15 U.S. gpm at 150 psi at 2200 rpm | p. 874 |
| Charge pressure (Test No. 1) | Not less than 150 psi (1034 kPa), oil at operating temperature | p. 650 |
| Drive chain deflection | Not more than 3/4 to one inch (19 to 25 mm) at any point | p. 769 |
| Axle housing self-locking nuts | 90 to 100 pound-feet (122 to 135 N m) | p. 769 |
| Loader | ||
| Lift cylinder cap screws (242 Loctite) | 380 to 456 pound-feet (515 to 618 N m) | p. 964 |
