Part of the Case Repair Manuals.
All 260 pages of this Case CK36 / CK50 Service Manual zero in on one job: returning your mini excavator to factory spec, whether you're working on a CK36 or the larger CK50. Inside you get complete wiring schematics and full hydraulic circuit diagrams covering both models, a travel motor and swing reduction teardown sequence, plus a dense troubleshooting section that walks you through pressure-setting procedures and hydraulic fault diagnosis step by step. Torque tables run throughout: cylinder head bolts seat at 93.2–98.1 N·m, and standard M6 fasteners range from 7.8 N·m (Grade 4) up to 12.3 N·m (Grade 9) — no guessing, no cross-referencing a generic chart. Your machine is down and forum posts won't fix it. Pull up the factory answer: bookmarked by system, searchable by keyword, readable on any device you bring to the machine.
What's Inside This Case CK36, CK50 Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety, General Information and Specifications | 3-27 | Safety Instructions, Standard Fastener Torque Specifications, Hydraulic Connection Torque Specifications, Product Identification and Serial Numbers, Hydraulic Specifications (CK36), Hydraulic Specifications (CK50), Electrical Specifications, Tracks, Rollers and Idlers (CK36) |
| Engine System (Removal, Overhaul, Electrical) | 28-58 | Engine Removal and Installation, Cylinder Head, Timing Gear and Camshaft, Pistons, Conrods and Crankshaft, Alternator, Starter Motor, Electrical Troubleshooting and Schematics |
| Undercarriage and Travel Motor | 59-94 | Rubber Track, Idler Wheel, Cylinder Block, Lubrication System, Cooling System, Fuel System, Travel Motor and Reduction, Cross Sectional Drawing of the Reduction Motor, Cross Sectional Drawing of the Speed Limiter |
| Swing Reduction Gear and Hydraulic Swivel | 95-104 | Swing Reduction Gear, Hydraulic Swivel, Hose Connections, Removal and Installation, Disassembly and Assembly |
| Hydraulic Pressure, Reservoir and Pumps | 105-134 | CK36/CK50 Troubleshooting, CK36/CK50 Pressure Setting Schematic, CK36/CK50 Pressure Settings, Hydraulic Reservoir, Hydraulic Pump, Pilot Controlled Hydraulic Pump |
| Attachment and Flow Control Valves | 135-154 | Parts Designations (CK36), Parts Designations (CK50), Primary Control Valve and Relief Valve (CK36), Primary Control Valve and Relief Valve (CK50), Swing and Offset Cylinder Flow Selector Valve, Pressure Limiter and Flow Cut-Off Valve, Hose Connections |
| Swing Motor and Hand Control Valve | 155-168 | Swing Motor, Hand Control Valve, Cross Sectional Drawing, Disassembly and Assembly of Plunger Assembly, Removal and Installation, Inspection |
| Attachment Cylinders | 169-186 | Boom Cylinder, Dipper Cylinder, Bucket Cylinder, Offset Cylinder, Levelling Blade Cylinder (CK36), Specifications (CK36), Specifications (CK50) |
| Upperstructure and Turntable Bearing | 187-192 | Turntable Bearing Assembly Specifications, Removal and Installation, Inspection |
| Boom, Dipper, Bucket and Levelling Blade | 193-204 | Bucket, Dipper, Offset Support, Boom and Levelling Blade, Checks |
| Pedals and Levers | 205-216 | L.H. Travel Control Lever, R.H. Travel Control Lever, Engine Throttle Cable, Safety Lock Lever, Dozer Blade Control Lever, Second Speed Control Pedal |
| Operator's Cab and Canopy | 217-260 | Canopy, Cab, Removal, Installation |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| M6 Standard Fastener Torque (Grade 4) | 7.8 to 9.3 Nm (5.75 to 6.86 lb ft) | p. 6 |
| M6 Standard Fastener Torque (Grade 7) | 9.8 to 11.3 Nm (7.23 to 8.33 lb ft) | p. 6 |
| Rocker Cover Retaining Nuts Torque | 6.9 to 8.8 Nm | p. 26 |
| Cylinder Head Bolts Torque | 93.2 to 98.1 Nm | p. 26 |
