New Holland L550 Skid-Steer Loader Technical Service Manual

Description

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

Manual Code: 40055510

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