Toro 74161 Service Manual

Table of Contents – Page 1 of 3 SPECIFICATIONS ENGINE Z100 SERIES Z250 SERIES Z280 SERIES UNIT DIMENSIONS Z100 SERIES Z250 SERIES Z280 SERIES HYDRAULIC SYSTEM TORQUE SPECIFICATIONS HYDRAULIC HOSES & FITTINGS CHASSIS MAINTENANCE RECOMMENDED MAINTENANCE SCHEDULE CHECKING THE OIL LEVEL CHANGING OIL AND FILTER SERVICING THE AIR ...

Table of Contents – Page 2 of 3 ENGINE EXTERNAL ALTERNATOR REMOVE & REPLACE ENGINE REMOVE & REPLACE AIR-COOLED ENGINE REMOVE & REPLACE LIQUID-COOLED RADIATOR REMOVE & REPLACE LIQUID-COOLED MOWERS MODELS EQUIPPED WITH ELECTRONIC FUEL INJECTION (EFI) HYDRAULIC SYSTEMS HYDRAULIC SYSTEM, TYPICAL DESCRIPTION GENERAL HYDRAULIC ASS ...

Table of Contents – Page 3 of 3 ELECTRICAL SYSTEMS - CONTINUED ELECTRIC PTO CLUTCH REMOVAL SOLENOID PURPOSE HOW IT WORKS TESTING STARTER, ELECTRIC PURPOSE HOW IT WORKS TESTING SWITCH, PTO/CLUTCH PURPOSE HOW IT WORKS TESTING BRAKE SWITCH PURPOSE HOW IT WORKS TESTING INTERLOCK MODULE PURPOSE HOW IT WORKS TESTING HOURMETER PURP ...

This service manual was written expressly for the Toro Mid-Mount Z product line. The Toro Company has made every effort to make the information in this manual complete and correct. This manual was written for the service technician; basic mechanical/electrical skills are assumed. The Table of Contents lists the systems and the rel ...

i TABLE OF CONTENTS SPECIFICATIONS Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 1 Z100 Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1 Z250 Series . . . . . . . . ...

ii Mid-Mount Z Service Manual Servicing the Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 10 Removing the Spark Plug(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 10 Checking the Spark Plug . . . . . . . . . . . . . . . . . . . . . ...

iii TABLE OF CONTENTS CHASSIS Motion Control Linkage - Remove and Replace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1 Adjusting the Handle Neutral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 2 Replacing the Parking Brake and Linkage . . . . . . . . . . . . ...

iv Mid-Mount Z Service Manual ELECTRICAL SYSTEMS (cont’d) Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 24 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 24 How It Works . ...

v TABLE OF CONTENTS ELECTRICAL SYSTEMS (cont’d) Mercury Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 33 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 33 How It Works . . . ...