Hyster's own factory service manual for the HR45 container handler series runs 608 pages and covers eight variants, from the HR45-25 through the HR45H. Electrical schematics, spreader electrical components and a transmission hydraulic diagram covering the sump, filter, charge pump, solenoid valves and the direction and range spools anchor this Hyster HR45-25 service manual pdf. Repair coverage runs through the four-speed powershift transmission, torque converter, differential (pinion bearing preload, ring gear backlash, tooth contact pattern) and planetary axles, then moves into YardMaster steering and brakes. Set main relief to 420 bar (6092 psi). Steering relief sits at 220 bar (3191 psi). When air in the brake system is the complaint you are working, the air removal procedure sits with the brake pedal valve and service brake assembly repairs. Bookmarks and a text layer help you find a section quickly, and the pages print cleanly when you want a working copy on the bench.
What's Inside This Hyster HR45-25 to HR45-45LSX, HR45H Manual
| System | Pages | Key Topics |
|---|---|---|
| Automatic Powershift Control | 2-3 | Transmission Control System, Transmission Control Lever |
| Mechanical Description and Operation | 4-13 | General, Torque Converter (Description, Operation), Clutch Assemblies (Description, Transmission Operation in Neutral, Input Shaft, Forward Shaft |
| Hydraulic Description and Operation | 14-17 | Sump, Filter, And Pump, Transmission Charge Pump (Pressure Regulator Valve, Relief Valve) |
| Hydraulic Description and Operation | 18-26 | Sump, Filter, Pump, Transmission Charge Pump, Pressure Regulator Valve, Relief Valve, Transmission Control Valve, Solenoid Valves |
| Four-Speed Powershift Transmission Repair | 27-37 | Torque Converter Repair, Transmission Disassembly, Transmission Assembly, Speed Sensor Installation, Transmission Control Lever |
| Differential Repair | 79-124 | Differential Carrier Removal, Differential Disassembly, Pinion Bearing Preload, Ring Gear Backlash, Tooth Contact Pattern Check, Differential Assembly |
| Planetary Gear Axle Repair | 125-154 | Planetary Axle Disassembly, Planetary Axle Assembly, Wheel Bearing Preload, Planetary Gear Carrier Repair, Brake Assembly |
| Steering System YardMaster | 181-206 | Steering Control Unit Repair, Steering Cylinder Repair, Hubs Repair, Spindles Repair, Antitipping Device Adjustment |
| Brake System YardMaster | 207-226 | Service Brake Assembly Repair, Brake Pedal Valves |
| Service Brake | 227-266 | Brake System Air Removal |
| Hydraulic System YardMaster | 267-292 | |
| Electrical System | 293-318 | Spreader Electrical Components |
| Function Joystick YardMaster | 319-336 | |
| Boom YardMaster | 337-376 | |
| Extendable Container Attachment (ELME) | 377-426 | |
| Extendable Container Attachment, PPM | 427-462 | |
| Metric and Inch (SAE) Fasteners | 463-482 | |
| Periodic Maintenance YardMaster | 483-526 | |
| Diagrams YardMaster | 527-608 | Electrical Schematics |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Cooling pump standby pressure | 20 to 22 bar (290 to 319 psi) | p. 284 |
| Flange Nut Torque (1" - 20) | 203 - 271 N•m (150 - 200 lbf ft) | p. 53 |
| Flange Nut Torque (1 1/4" - 18) | 271 - 339 N•m (200 - 250 lbf ft) | p. 53 |
| Main relief valve pressure | 420 bar (6092 psi) | p. 277 |
| Steering relief valve pressure | 220 bar (3191 psi) | p. 277 |
| Cooling pump maximum pressure | 135 to 140 bar (1958 to 2031 psi) | p. 284 |
| Filter relief pressure | 3.5 bar (51 psi) | p. 284 |
| Engine Oil Quantity | 38 liter (40.2 qt) | p. 494 |
| Engine oil and filter change interval | every 250 hours | p. 509 |
| Transmission Charge Pump Relief Valve Pressure | 1655 to 2068 kPa (240 to 300 psi) | p. 67 |
| Torque Converter Regulator Oil Pressure | 172 kPa (25 psi) min @ 2000 rpm; 483 kPa (70 psi) @ governed speed | p. 66 |
| Steering System Relief Valve Pressure | 220 bar (3200 psi) | p. 185 |
