New Holland L451, L452, L454, L455 SkidSteer Loader Service Manual

Table of Content (Service Manual)

SAFETY …………………………………………………………. 0-2
SECTION 1 – OPERATION ………………………………………….. 1-1
SECTION 2 – STEERING ADJUSTMENTS …………………………….. 2-1
SECTION 3 – HYDROSTATIC TRANSMISSION REMOVAL ……………….. 3-1
SECTION 4 – HYDROSTATIC PUMP OVERHAUL ………………………. 4-1
SECTION 5 – HYDROSTATIC TRANSMISSION MOTORS ………………… 5-1
SECTION 6 – GEAR PUMP ………………………………………….. 6-1
SECTION 7 – BOOM AND BUCKET CYLINDERS ……………………….. 7-1
SECTION 8 – CONTROL VALVE ……………………………………… 8-1
SECTION 9 – FINAL DRIVE …………………………………………. 9-1
SECTION 10 – ELECTRICAL SYSTEM ………………………………. 10-1
SECTION 11 – SEAT ACTIVATED BOOM LOCKOUT ………………….. 11-1
SECTION 12 – TROUBLESHOOTING ……………………………….. 12-1
SECTION 13 – SPECIFICATIONS ………………………………….. 13-1

The Manual Preface

This Manual has been written for the repair specialist. It provides important information on carrying out repair work expertly. It provides important information on carrying out repair work expertly. Please go carefully through the Loader before starting any repair work. Use this manual of the L451, L452, L454, L455 Loader as a reference book and source of information even if you are familiar with  technology. Using the manual, the experience construction machine mechanic can carry out any necessary repairs expertly.

Sections of the Manual

The Manual is into main groups and subgroups, and covers any previous version of the machine. Any additions or modifications which can happen at a later date are not describe in this manual. The required information can easily be found by referring to the table of contents. For reasons of clarity, some of the illustrations are present in simplified form. Differences from the actual version of this manual are therefore possible if this adds to the clarity of the information.

Repair and Parts

Carry out any necessary repair work as soon as possible. This reduces repair costs and increases the availability while doing any work on the loader, always observe the instructions given in the Workshop Manual. Extensive works not described in this Workshop Manual will gladly be executed for you by your dealer. Always use original spare parts only.