Part of the Case Repair Manuals.
Looking for a Case CX225SR repair manual PDF that actually came from the factory? This 801-page repair manual (OEM #9-40691) covers the CX225SR crawler excavator in both NA and WE builds, from the hydraulic pump all the way back to the digging hammer. You get wiring diagrams, hydraulic schematics, exploded views of every major assembly, error code references, and a full troubleshooting section, plus step-by-step procedures for the boom, dipper, travel motors, and swing system. Real numbers, too. Check piston-to-shoe clearance at 0.4 mm or less during pump rebuilds, then torque the stack valve outlet plug to 103-113 Nm on reassembly. No more chasing hydraulic faults with a pressure gauge and a hunch. Bookmarked with a live text layer, this PDF lets you jump to any section or search any spec on your phone, right beside the machine.
What's Inside This Case CX225SR, CX225SR NA, CX225SR WE Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 1-24 | Foreword, Safety Rules, Basic Instructions, Torque, Dimension, Weight, Consumables, Hydraulic Contamination |
| A - Distribution Systems | 25-176 | Primary Hydraulic Power System, Hydraulic Command System, Electrical Power System, Stack Valve, Relief Valve, Hydraulic Pump |
| B - Power Production | 177-293 | Engine, Fuel and Injection System, Air Intake System, Exhaust System, Engine Coolant System, Starting System |
| D - Travelling | 294-360 | Drive Sprocket, Steel Track, Roller, Idler Wheel, Track Tensioning Mechanism |
| E - Body and Structure | 361-422 | Shield, User Controls and Seat, User Platform, Environment Control, Safety Security Accessories |
| F - Frame Positioning | 423-600 | Travelling, Stabilising, Swinging |
| H - Working Arm | 601-732 | Boom Lift, Dipper Lift, Arm Tool Attachment Tilt |
| J - Tools and Couplers | 733-801 | Digging Hammer |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Tightening torque for batteries | 20 - 29 Nm | p. 8 |
| Clearance between pistons and shoes | 0.4 mm or less | p. 44 |
| Scratches on the sliding surface of the shoes | 0.4 mm or more | p. 44 |
| Stack valve outlet section — spring/seat screws (22) torque | 19 - 22 Nm | p. 80 |
| Stack valve outlet section — cap (18) screws (78) torque | 8.8 - 10.8 Nm | p. 80 |
| Stack valve — body (28) cover (2) screws (1) torque | 64.7 Nm | p. 114 |
| Voltage for each battery | 12 volts | p. 136 |
| Starter motor voltage | 24 volts | p. 136 |
| Starter motor power | 4.5 kW | p. 136 |
| Total hydraulic circuit capacity | 206 L | p. 31 |
| Hydraulic fluid reservoir capacity | 120 L | p. 31 |
| Main relief valve (standard) pressure | 343 bar | p. 31 |
