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Part of the Case Repair Manuals.
This is the complete factory service manual for the Case 1150E and 1155E crawler dozers, 1503 pages from the diesel engine through the dozer, ripper, and winch. It is the same book a Case dealer technician uses, with removal and installation steps, engine and hydraulic specifications, torque values, electrical and hydraulic schematics, undercarriage service, and troubleshooting for the torque converter power shift drivetrain, so you can find a fault and fix it yourself.
What's Inside This Case 1150E, 1155E Manual
| System | Pages | Key Topics |
|---|---|---|
| General | Safety Rules, Service Manual Introduction, Standard Torque Specifications, General and Detailed Engine Specifications, Maintenance and Lubrication, Loctite Product Chart | |
| Engine | Engine and Radiator Removal and Installation, Engine Accessories, Stall Tests, Cylinder Head and Valve Train, Cylinder Block, Crankshaft, Pistons and Sleeves, Lubrication System, Cooling System, Turbocharger, Turbocharger Failure Analysis | |
| Fuel System | Fuel Lines, Fuel Tank and Engine Controls, Fuel System and Filters, Injection Pump, Bosch Injection Pump and Timing, Fuel Injectors | |
| Electrical | Electrical Component Removal and Installation, Specifications and Troubleshooting, Electrical Schematics, Indicators and Gauges, Batteries, 24 Volt Nippondenso and Delco Remy Starters, 24 Volt Bosch Alternator | |
| Undercarriage | Track Component Removal and Installation, Case Lubricated Track, Standard Track, Track Frame and Suspension, Track Adjuster, Idler, Sprocket, Carrier Roller, Track Roller | |
| Power Train | Transmission Maintenance and Troubleshooting, Transmission Diagrams and Operation, Charging Pump, Transmission Control Valve, Torque Converter, Transmission, Final Drive, Transmission Controls, Drive Shaft | |
| Brakes | Brake Service, Removal and Installation, Adjustment and Troubleshooting | |
| Hydraulics | Hydraulic System Specifications, Diagrams and Pressure Checks, Cleaning the Hydraulic System, Pump, Equipment Control Valve, Selector Valve, Cylinders | |
| Mounted Equipment | Air Conditioning System and Checks, Loader, Dozer Blade, Ripper, ROPS Cab and Canopy, Operators Seat and Seat Belts, Suspension Seat, Winch |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine bore | 114 mm (4.49 in) | |
| Engine stroke | 135 mm (5.31 in) | |
| Piston displacement | 8.27 litres (505 cu in) | |
| Compression ratio (6-830 naturally aspirated) | 16.4 to 1 | |
| Compression ratio (6T-830 turbocharged) | 17.3 to 1 | |
| Engine oil capacity (with filter) | 22 litres (23.5 quarts) | |
| Engine oil pressure | 40 to 55 PSI (275 to 380 kPa) | |
| Thermostat operating range | 80 C to 95 C (176 F to 203 F) | |
| Valve tappet clearance (intake, cold) | 0.30 mm | |
| Valve tappet clearance (exhaust, cold) | 0.61 mm |
Case 1150E, 1155E Common Problems This Manual Covers
Engine will not start or shuts down right after it fires
Work the fuel side first. Check the injection pump timing pin, the fuel shut off solenoid, and the primer pump, and change plugged fuel filters that starve the pump. The manual gives the timing and shutoff solenoid procedures for both the 1150E and 1155E engines before you touch the injection pump itself.
Manual Section: Fuel SystemMachine loses drive power or will not move under load
This crawler uses a torque converter and power shift transmission, not a hydrostatic drive, so check transmission oil level, charging pump output, and the transmission control valve pressures using the Power Train section pressure checks. Confirm the torque converter and final drives before condemning the transmission.
Manual Section: Power TrainTracks slip, ride rough, or wear quickly
Set track sag with the track adjuster to the manual specification, since an over tight or loose track wears the chain, sprocket, and rollers fast. Inspect the idler, carrier and track rollers, and sprocket for wear, and service the Case lubricated track components as the Undercarriage section describes.
Manual Section: UndercarriageEngine runs hot or the coolant temperature climbs under load
Confirm the thermostat opens in its 80 to 95 C range, the water pump moves coolant, and the radiator and oil cooler cores are clean. The Cooling System procedures cover the thermostat, water pump, fan pulley, and belt tensioner for both engines so you can find the restriction instead of guessing.
Manual Section: EngineDozer blade or loader is slow, weak, or will not hold
Run the hydraulic pressure checks in the Hydraulics section and compare against the system specifications. Inspect the pump, the equipment control valve, and the selector valve for internal leaks, and check the cylinders for bypassing seals before replacing a major component.
Manual Section: HydraulicsFrequently Asked Questions
What does this Case 1150E and 1155E service manual cover?
It is the full factory repair manual for the 1150E and 1155E crawler dozers, 1503 pages covering the 6-830 and turbocharged 6T-830 diesel engines, fuel and electrical systems, the undercarriage and tracks, the torque converter and power shift transmission, brakes, hydraulics, and the dozer, loader, ripper, and winch attachments with specifications, schematics, and troubleshooting.
Does it cover both the 1150E and the 1155E?
Yes. The manual carries separate engine specifications and procedures for each machine where they differ, including the general and detailed engine specs, cylinder block, fuel injection, and cooling sections for both the 1150E and 1155E.
Are wiring and hydraulic diagrams included?
Yes. The Electrical section includes the schematics plus specifications and troubleshooting, and the Hydraulics section carries the hydraulic diagrams, pressure checks, and system specifications for the dozer and loader circuits.
What engine is in the 1150E and 1155E?
Both use the Case 8.27 litre six cylinder diesel, offered as the naturally aspirated 6-830 and the turbocharged 6T-830, with a 114 mm bore and 135 mm stroke. The manual lists the full engine specifications and torque values.
What format is this Case 1150E, 1155E manual in?
This is a 1503-page searchable PDF (769 MB) ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Can I print this Case 1150E, 1155E manual?
Zero restrictions. The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
Are there hydraulic schematics in this Case 1150E, 1155E manual?
Yes, this Case 1150E, 1155E Service Manual includes hydraulic system diagrams, circuit schematics, and component specifications.
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