New Holland L35, L775, L778 and L779 Skid Steer Loader Service Manual

Manuals: Service Manual

Table of Content (Workshop Manual)

FOREWORD ………………………………………………………………………….. 2
SAFETY ……………………………………………………………………. 3, 5, 6 and 7
INTRODUCTION ……………………………………………………………………… 8
SERVICING VICKERS-EQUIPPED LOADERS ………………………………………….. 10

SECTION 1 – VICKERS TRANSMISSION REMOVAL …………………………………… 10

SECTION 2 – HYDROSTATIC TRANSMISSION OPERATION …………………………… 14

SECTION 3 – VICKERS TRANSMISSION DISASSEMBLY ………………………………. 16

SECTION 4 – VICKERS TRANSMISSION PUMP AND MOTOR SHIMMING ………………. 31

SECTION 5 – SHIMMING PROCEDURE FOR VICKERS FOUR-WAY GEAR BOX ………….. 34

SECTION 6 – VICKERS STEERING CONTROL ADJUSTMENTS ………………………… 40

SECTION 7 – VICKERS VANE PUMP REMOVAL, INSPECTION AND INSTALLATION …….. 47

SECTION 8 – PROPORTIONAL FLOW DIVIDER ……………………………………….. 54

SECTION 9 – STEERING CYLINDER REBUILDING ……………………………………. 56

SERVICING CESSNA-EQUIPPED LOADERS …………………………………………… 60
GENERAL INFORMATION …………………………………………………………… 60

SECTION 1 – CESSNA TRANSMISSION REMOVAL ……………………………………. 62

SECTION 2 – CESSNA TRANSMISSION OVERHAUL …………………………………… 70

SECTION 3 – CESSNA TRANSMISSION OIL LEAKS …………………………………… 90

SECTION 4 – SHIMMING FOUR-WAY GEAR BOX ……………………………………… 98

SECTION 5 – SYSTEM CLEANING PROCEDURE AFTER TRANSMISSION OVERHAUL ….. 108

SECTION 6 – HYDRAULIC RESERVOIR AND CHECK VALVE ASSEMBLY ………………. 104

SECTION 7 – STEERING NEUTRALIZER REPAIR ……………………………………. 111

SECTION 8 – CESSNA STEERING CONTROL ADJUSTMENTS ………………………… 113

SECTION 9 – CESSNA GEAR PUMP REMOVAL, INSPECTION AND INSTALLATION ……. 115

GENERAL INFORMATION – VICKERS AND CESSNA-EQUIPPED
SKID-STEER LOADERS ……………………………………………………………. 125

SECTION 1 – START-UP PROCEDURE ………………………………………….. 125

SECTION 2 – FINAL DRIVE DISASSEMBLY AND ASSEMBLY ……….. 128

SECTION 3 – HYDRAULIC SYSTEM PRESSURE CHECKS …………….. 144

SECTION 4 – SERVICING THE CONTROL VALVE ………………………… 150

SECTION 5 – REBUILDING BUCKET AND BOOM CYLINDERS …….. 153

SECTION 6 – ELECTRICAL SYSTEM ……………………………………………. 164

SECTION 7 – BOOM LOCKOUT …………………………………………………… 172

SECTION 8 – FUEL TANK REMOVAL ………………………………………….. 176

SECTION 9 – SPECIFICATIONS – L-35 LOADER, L-775 LOADER

L-778 LOADER, L-779 LOADER …………………………………………………… 183

SECTION 10 – HYDRAULIC CIRCUIT DIAGRAMS ……………………….. 189

SECTION 11 – TROUBLE SHOOTING …………………………………………… 194

SECTION 12 – TORQUE CHARTS ………………………………………………… 205

ADJUSTABLE FITTINGS ……………………………………………………………. 208
BITE-TYPE FLARELESS FITTINGS …………………………………………….. 209
TUBE FITTING TROUBLE SHOOTING ……………………………………….. 210
INDEX ………………………………………………………………………………………. 211
Sections of the Manual
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 manual. Extensive works not described in this Workshop Manual will gladly be executed for you by your dealer. Always use original spare parts only.