Toro 74201 User Manual

TORO MID-MOUNT Z 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 CLEANER
REMOVING THE FILTERS
INSTALLING THE FILTERS
SERVICING MODELS EQUIPPED WITH THE HEAVY-DUTY AIR CLEANER
USING THE FILTER MINDER
REMOVING THE AIR CLEANER
CLEANING THE PRIMARY FILTER
INSTALLING THE FILTERS
SERVICING THE AIR CLEANER LIQUID-COOLED MODELS
REMOVING THE PAPER ELEMENT
CLEANING THE PAPER ELEMENTS
INSTALLING THE PAPER ELEMENTS
CLEANING THE ENGINE FINS
SERVICING THE COOLING SYSTEM
CHECKING THE RADIATOR COOLANT
CLEANING THE COOLING SYSTEM
CHANGING THE ENGINE COOLANT
INSPECTING THE COOLING SYSTEM
SERVICING THE FUEL FILTER
REPLACING THE FUEL FILTER
SERVICING THE SPARK PLUG
REMOVING THE SPARK PLUG(S)
CHECKING THE SPARK PLUG
INSTALLING THE SPARK PLUG(S)
CHECK VALVE CLEARANCE
GREASING AND LUBRICATION
HOW TO GREASE
GREASING THE FRONT CASTOR PIVOTS
WHERE TO ADD GREASE
WHERE TO ADD LIGHT OIL OR SPRAY LUBRICATION
GREASING THE BEARINGS

Toro 74201 Specifications

General

Drive Type	Self-Propelled
Starter	Recoil
Deck Material	Steel
Engine	Briggs & Stratton
Cutting Width	22 inches
Oil Capacity	20 oz
Warranty	2-Year Full Coverage

Summary

Specifications

Engine Specifications

Details engine models, horsepower, oil capacity, and cooling systems.

Hydraulic System Specifications

Torque Specifications

Lists torque values for hydraulic hoses, fittings, and chassis components.

Maintenance Procedures

Recommended Maintenance Schedule

Outlines a schedule for regular maintenance tasks based on service intervals.

Checking the Oil Level

Changing Oil and Filter

Procedure for draining and replacing engine oil and filter.

Servicing the Air Cleaner

Servicing the Cooling System

Servicing the Fuel Filter

Servicing the Spark Plug

Engine Service

Engine Remove & Replace Air-Cooled

Detailed procedure for removing and replacing air-cooled engines.

Engine Remove & Replace Liquid-Cooled

Detailed procedure for removing and replacing liquid-cooled engines.

Radiator Remove & Replace Liquid-Cooled Mowers

Steps for removing and replacing the radiator on liquid-cooled models.

Hydraulic Systems

Hydraulic System, Typical

General Hydraulic Assembly Guidelines

Guidelines for proper assembly to ensure a leak-free hydraulic system.

Replacing the Pump Drive Belt

Pump Removal

Procedure for removing the hydraulic pump.

Adjusting the Hydraulic Pump Neutral

Steps for adjusting the hydraulic pump neutral position.

Wheel Motor R & R

Procedure for removing and replacing the wheel motor.

Chassis Systems

Motion Control Linkage - Remove and Replace

Steps for removing and replacing the motion control linkage.

Adjusting the Handle Neutral

Replacing the Parking Brake and Linkage

Steps for removing and replacing the parking brake and its linkage.

Adjusting the Parking Brake

Fuel Tank - Remove and Replace

Procedure for removing and replacing the fuel tank.

Replace Front Wheel Bearings

Steps for removing and replacing the front wheel bearings.

Front Caster Bearings - Remove & Replace

Mower Decks

Replacing the PTO Drive Belt

Mower Deck Removal

Spindle Repair

Leveling the Mower

Checking for Bent Blades

Electrical Systems

Electrical Schematics

Diagrams illustrating the electrical system circuits for various models.

Alternator (Kohler) Operation

Regulator/Rectifier Function

Electric Clutch Operation

Electric PTO Clutch Removal

Interlock Module Operation