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Part of the Case Repair Manuals.
This is the complete factory service manual for the Case Alpha Series, covering the SR130, SR150, SR175, SR200, SR220 and SR250 radial-lift skid steer loaders, the SV185, SV250 and SV300 vertical-lift skid steers, and the TR270, TR320 and TV380 compact track loaders built from 2011 to 2015. It is organized into the standard CNH lettered service groups and covers the machine from the hydraulic, pneumatic, electrical and electronic systems, through the engine and PTO-in, the transmission, drive and PTO-out, the axles, brakes and steering, the frame and cab, and the frame, tool and hitch positioning and working-tool systems. It carries the electronic fault-code diagnostics, control-pattern (ISO/H) calibration, hydraulic pressure checks, torque values, and step-by-step removal, disassembly, assembly and installation procedures, with coverage split by system so the procedures match the loader or track machine in front of you.
What's Inside This Case SR130-SR250 / SV185-SV300 / TR270-TR320 / TV380 Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction & Machine Overview | Model Identification, Serial Number Locations, Safety, General Specifications, Torque Values, Fluids and Capacities, Consumables | |
| Hydraulic, Pneumatic, Electrical & Electronic Systems (a) | Primary Hydraulic Power System, Hydraulic Pump and Displacement, Auxiliary Hydraulics, Control Valves, Electrical Distribution, Wiring Harnesses, Electronic Control Modules, Fault-Code Diagnostics, Sensor and Actuator Testing | |
| Engine & PTO-In (B) | Engine Removal and Installation, Fuel System, Cooling System, Air Intake and Exhaust, Aftertreatment, Engine Electrical, Drive Coupling to Hydrostatic Pump | |
| Transmission, Drive & PTO-Out (C) | Hydrostatic Drive Pumps and Motors, Drive Chains and Final Drives, Track Drive (TR/TV), Speed and Direction Control, Drive Troubleshooting | |
| Axles, Brakes & Steering (D) | Wheel Ends and Bearings (SR/SV), Track Rollers, Idlers and Tension (TR/TV), Park Brake, Steering and Control Linkage | |
| Frame & Cab (E) | Chassis Frame, Shields and Guards, Operator Cab, Platform, Seat and Restraints, Cab Electrical, HVAC | |
| Frame & Tool Positioning (F, G) | Loader Arm Geometry, Lift and Tilt Cylinders, Self-Leveling, Ride Control, Cylinder Service and Pressure Settings | |
| Hitch, Coupler & Working Tools (H, J) | Quick Coupler, Attachment Hydraulics, Working Arm, Bucket and Attachment Mounting, Excavating and Landscaping Tool Circuits |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Alpha Series | ||
| Hydraulic Pump Displacement | 34.1 cm3 (2.1 in3) | |
| Production Years | 2011-2015 | |
| SR/SV/TR/TV | ||
| Machine Family | SR = radial-lift skid steer, SV = vertical-lift skid steer, TR/TV = compact track loader | |
| All 12 models | ||
| Model Range | SR130 through SR250, SV185/SV250/SV300, TR270/TR320, TV380 | |
| Diagnostics | Electronic fault codes with control-pattern (ISO/H) calibration | |
Case SR130-SR250 / SV185-SV300 / TR270-TR320 / TV380 Common Problems This Manual Covers
Crank-no-start (common on SV185)
Use the electrical and electronic systems group to check the safety interlock, seat-bar and ignition/start-enable circuit before the starter. Trace the indicated fault code to the circuit and confirm the interlock inputs, since a safety-circuit or ignition fault commonly presents as a no-start on the Alpha Series.
Manual Section: Electrical & Electronic SystemsJumpy, weak, or unresponsive loader/attachment hydraulics
Confirm the control-pattern setting and run the loader-valve calibration, then check pump output and system pressure against the hydraulic group's specs. On the SR220 and similar, a control-pattern or calibration mismatch commonly mimics a hydraulic fault, so verify settings and pressures before replacing the valve.
Manual Section: Hydraulic SystemsHydraulic line leaks and corrosion (common on SR130)
Inspect the hydraulic lines and fittings for corrosion and chafing per the hydraulic group, and replace degraded lines. Confirm system pressure after repair, since a corroded or weeping line drops pressure and can mimic a pump or valve fault.
Manual Section: Hydraulic SystemsIntermittent electrical faults and wiring-harness communication errors
Trace the wiring harness and module connections using the electrical group's wiring information and fault codes. Check for broken conductors and corroded connectors before replacing a module, since a harness or connection fault often presents as a component or communication failure.
Manual Section: Electrical & Electronic SystemsFrequently Asked Questions
My Alpha Series machine has a crank-no-start. Where do I start?
Work the electrical and electronic systems group. A crank-no-start on the Alpha Series (common on the SV185) usually traces to the safety interlock or ignition circuit rather than the engine itself, so verify the seat-bar and interlock inputs and the start-enable circuit before condemning the starter, using the fault-code diagnostics and wiring information in the manual.
The loader hydraulics feel jumpy or unresponsive. What does the manual cover?
Start with the hydraulic and electronic systems group. Jumpy or unresponsive loader control on the SR220 and other Alpha machines is often a control-pattern (ISO/H) or valve-calibration mismatch rather than a mechanical fault, so confirm the control settings and run the loader-valve calibration and pressure checks in the manual before replacing the valve.
What do the electronic error codes mean and how do I clear them?
The electrical and electronic systems group lists the fault codes with their circuits and diagnostic steps. Read the active codes, trace the indicated circuit (harness, sensor, or module) to the wiring information, correct the fault, then clear the code, rather than clearing it blind, since a wiring or communication fault will simply set the code again.
Does this manual cover both the wheeled skid steers and the track loaders?
Yes. Coverage spans the SR radial-lift and SV vertical-lift wheeled skid steers and the TR/TV compact track loaders, with the drive group covering both the wheel final drives and the track drive, rollers, idlers and track tension, so match the procedure to your machine type.
Are hydraulic pressure checks and torque specs included?
Yes. The hydraulic systems group carries the pump, control-valve and circuit pressure checks and settings, and each group carries the torque values for its fasteners, so you can measure system pressure against spec and torque components correctly during reassembly.
What format is this Case SR130, SR150, SR175, SR200, SR220, SR250, SV185?
Instant PDF download (110 MB). You get the full 1738-page searchable Service Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Am I able to print pages from this Case SR130, SR150, SR175, SR200, SR220?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
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