New Holland Skid-Steer Loader L-550 Service Manual
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New Holland Skid-Steer Loader L-550 Service Manual
116 Pages
This Manual is available in: Digital Download
CONTENTS
ABOUT IMPROVEMENTS
CONTENTS
INTRODUCTION
SAFETY
SECTION 1 - OPERATION
SECTION 2 - STEERING ADJUSTMENTS
- labor guide
SECTION 3 - HYDROSTATIC TRANSMISSION
- removal
- hydrostatic motor removal
- hydrostatic pump removal
- installation of hydrostatic pump and motors
- labor guide
- specifications
SECTION 4 - HYDROSTATIC PUMP OVERHAUL
- disassembly
- labor guide
- reassembly
- specifications
- system cleaning procedure after transmission overhaul
SECTION 5 - HYDROSTATIC TRANSMISSION MOTORS
- disassembly
- labor guide
- parts inspection
- reassembly of hydrostatic motor
- shimming procedure
- specifications
- thrust bearing and shaft seal installation
SECTION 6 - GEAR PUMP
- gear pump disassembly
- gear pump removal
- labor guide
- parts inspection
- reassembly of gear pump
- specifications
SECTION 7 - BOOM AND BUCKET CYLINDERS
- boom cylinders
- cylinder removal
- disassembly
- inspection
- reassembly
- bucket cylinders
- boom cylinder cushion valve
- cylinder removal
- disassembly
- inspection
- reassembly
- labor guide
- specifications
SECTION 8 - CONTROL VALVE
- cessna control valve
- control valve installation
- control valve removal
- labor guide
- servicing the control valve
- victor control valve
SECTION 9 - FINAL DRIVE
- additional information – axle seal replacement
- axle installation
- chain and gear-sprocket drive disassembly
- chain case – hydraulic reservoir cleaning
- final drive chain adjustment
- final drive reassembly
- front axle disassembly
- gear-sprocket and chain idler reassembly
- labor guide
- rear axle disassembly
- specifications
SECTION 10 - ELECTRICAL SYSTEM
- alternator test for optional 12-volt negative ground ta series motorola alternator
- alternator test for 12-volt negative ground ra series alternator with isolation diode
- in-machine test procedure for ar series alternators, 12-volt, negative ground without isolation diode
- starter
- test procedure for ta alternators
- wiring diagram
SECTION 11 - SEAT ACTIVATED BOOM LOCKOUT
- labor guide
SECTION 12 - TROUBLESHOOTING
SECTION 13 - SPECIFICATIONS
- circuit diagram
- dimensions
- hydraulic diagram
- installation of adjustable fittings in straight thread o-ring bosses
- minimum hardware tightening torques
- standard torque data for hydraulic tubes and fittings
- wiring diagram