Sign In
Upload
Manuals
Brands
Toro Manuals
Lawn Mower
Z Master 74903
Toro Z Master 74903 Manuals
Manuals and User Guides for Toro Z Master 74903. We have
2
Toro Z Master 74903 manuals available for free PDF download: Service Manual, Operator's Manual
Toro Z Master 74903 Service Manual (188 pages)
Brand:
Toro
| Category:
Lawn Mower
| Size: 6.42 MB
Table of Contents
Table of Contents
4
1 Safety Information
8
General Information
8
Think Safety First
8
2 Specifications
10
Torque Specifications
10
Standard Torque for Dry, Zinc Plated & Steel Fasteners (Inch Series)
11
Standard Torque for Dry, Zinc & Steel Fasteners (Metric Fasteners)
12
Other Torque Specifications
13
Equivalents & Conversions
14
Decimal & Millimeter Equivalents
14
U.S. to Metric Conversions
15
G3 3000/5000/6000 Series Specifications
16
G3 3000/5000/6000 Series Specifications Cont
17
Dimensions
19
Commercial 3000 Series
19
G3/Professional 5000 Series
19
Dimensions
20
G3/Professional 6000 Series
20
Dimensions
21
G3/Professional 6000 Series Cont
21
3 Chassis
22
Caster Fork Assembly Replacement
22
Caster Fork Assembly Removal
22
Caster Bearing Replacement
23
Caster Fork Assembly Installation
25
Front Wheel Bearing Replacement
26
Front Wheel Bearing Removal
26
Front Wheel Bearing Installation
28
Fuel Tank Replacement
30
Fuel Tank Removal
30
Fuel Tank Installation
33
Throttle Control Assembly Replacement (Kohler EFI Engine)
35
Throttle Control Assembly Removal
35
Throttle Control Assembly Installation
37
Park Brake Handle Assembly Replacement (2012 & Later)
39
Park Brake Handle Removal (2012 & Later)
39
Park Brake Handle Installation (2012 & Later)
41
Park Brake Cable Replacement (2011 & Prior)
42
Left Park Brake Cable Removal (2011 & Prior)
42
Left Park Brake Cable Installation (2011 & Prior)
45
Right Park Brake Cable Removal (2011 & Prior)
48
Right Park Brake Cable Installation (2011 & Prior)
50
Adjusting the Parking Brake
53
Park Brake Cable Replacement (2012 & Later)
55
Left Park Brake Cable Removal (2012 & Later)
55
Left Park Brake Cable Installation (2012 & Later)
58
Right Park Brake Cable Removal (2012 & Later)
62
Right Park Brake Cable Installation (2012 & Later)
65
Brake Caliper Replacement
68
Brake Caliper Removal
68
Brake Caliper Installation
70
Motion Control Damper Replacement
72
Motion Control Damper Removal
72
Motion Control Damper Installation
73
Adjusting the Motion Control Damper
73
Adjusting the Motion Control Neutral Lock Pivot
74
Adjusting the Control Handle Position
74
Motion Control Assembly Replacement
75
Motion Control Assembly Removal
75
Motion Control Assembly Installation
79
4 Engine
84
Engine Replacement
84
Engine Removal
84
Engine Installation
90
5 Hydraulic System
96
Hydrostatic Pump Removal
96
G3 UHT Transmission Replacement (2009 through 2011 Models)
96
G3 UHT Transmission Removal (2009 - 2011 Models)
96
G3 UHT Transmission Installation (2009 - 2011 Models)
104
Burnishing the Brake
115
UHT Transmission Replacement (2012 & Later Models)
118
UHT Transmission Removal (2012 & Later Models)
118
UHT Transmission Installation (2012 & Later Models)
123
Wheel Hub Slotted Nut Installation
127
Adjusting the Motion Control Linkage (Neutral Adjustment)
129
Checking the Hydraulic Oil
131
Flow Test Instructions
132
Hydraulic Pump Drive Belt Replacement
135
Using the Drive Wheel Release Valves
136
6 Mower Decks
138
Mower Belt Replacement
138
Mower Belt Removal
138
Mower Belt Installation
139
Mower Deck Replacement
140
Mower Deck Removal
140
Extension Spring Adjustment (2010 - 2012 Models)
143
Mower Spindle Replacement
144
Mower Spindle Removal (2009 Model G3 Series Units)
144
Mower Spindle Installation (2009 Model G3 Series Units)
145
Mower Spindle Disassembly (2009 Model G3 Series Units)
146
Mower Spindle Assembly (2009 Model G3 Series Units)
149
Mower Spindle Replacement (2010 & Later Model G3, 3000/5000/6000 Series Units)
153
Mower Spindle Removal (2010 & Later Model G3, 3000/5000/6000 Series Units)
153
Mower Spindle Installation (2010 & Later Model G3, 3000/5000/6000 Series Units)
154
Mower Decks Cont
154
Mower Spindle Disassembly (2010 & Later Model G3, 3000/5000/6000 Series Units)
155
Mower Spindle Assembly (2010 & Later Model G3, 3000/5000/6000 Series Units)
157
Leveling the Mower Deck
160
Servicing the Cutting Blades
164
Before Inspecting or Servicing the Blades
164
Inspecting the Blades
165
Checking for Bent Blades
165
Removing the Blades
166
Sharpening the Blades
167
Installing the Blades
167
Electric PTO Clutch Replacement
168
Electric PTO Clutch Removal
168
Electric PTO Clutch Installation
169
Using the Clutch Shim
170
Removing the Clutch Shim
170
Safety Check
172
7 Electrical
174
General
174
Relay
174
Purpose
174
Location
174
How It Works
174
Testing
175
PTO Switch
176
Purpose
176
Location
176
How It Works
176
Testing
176
Ignition Switch
178
Purpose
178
Location
178
How It Works
178
Testing
178
Park Brake Switch
179
Purpose
179
Location
179
How It Works
179
Testing
179
Seat Switch
180
Purpose
180
Location
180
How It Works
180
Testing
180
Neutral Safety Switch
181
Purpose
181
Location
181
How It Works
181
Testing
181
TVS Diode
182
Purpose
182
Location
182
How It Works
182
Testing
182
Fuel Sender
183
Purpose
183
Location
183
How It Works
183
Testing
183
Fuel/Hour Meter
184
Purpose
184
Location
184
How It Works
184
Testing
185
Electric PTO Clutch
185
Purpose
185
Location
185
How It Works
185
Coil Resistance Measurement
185
Measuring Clutch Current Draw
186
Advertisement
Toro Z Master 74903 Operator's Manual (68 pages)
with 48in or 52in TURBO FORCE Side Discharge Mower
Brand:
Toro
| Category:
Lawn Mower
| Size: 5.27 MB
Table of Contents
Introduction
2
Table of Contents
3
Safety
4
Safe Operating Practices
4
Slope Operation
5
Maintenance and Storage
5
Slope Indicator
6
Safety and Instructional Decals
7
Product Overview
11
Controls
11
Specifications
12
Operation
13
Adding Fuel
13
Checking the Engine Oil Level
14
Breaking in a New Machine
14
Using the Rollover Protection System (ROPS)
14
Think Safety First
15
Operating the Parking Brake
16
Operating the Mower Blade Control Switch (PTO)
16
Operating the Throttle
17
Operating the Choke
17
Operating the Ignition Switch
17
Using the Fuel Shut-Off Valve
17
Starting and Stopping the Engine
18
The Safety Interlock System
19
Driving Forward or Backward
20
Stopping the Machine
21
Adjusting the Height of Cut
21
Adjusting the Anti-Scalp Rollers
22
Adjusting the Flow Baffle
23
Positioning the Flow Baffle
23
Positioning the Seat
24
Using the Drive Wheel Release Valves
24
Using the Side Discharge
25
Transporting Machines
25
Loading Machines
26
Operating Tips
27
Blade Maintenance
28
Maintenance
29
Recommended Maintenance Schedule(S)
29
Lubrication
30
Greasing and Lubrication
30
Where to Grease the Mower
30
Lubricate Caster Wheel Hubs
31
Engine Maintenance
32
Servicing the Standard Air Cleaner
32
Servicing the Heavy Duty Air Cleaner
33
Servicing the Engine Oil
34
Changing the Engine Oil
36
Changing the Engine Oil Filter
36
Servicing the Spark Plug
37
Check Spark Arrester (if Equipped)
39
Fuel System Maintenance
39
Replacing the Fuel Filter
39
Servicing the Fuel Tank
40
Electrical System Maintenance
40
Servicing the Battery
40
Installing the Battery
41
Charging the Battery
41
Servicing the Fuses
42
Drive System Maintenance
43
Checking the Seat Belt
43
Checking the Rollover Protection System (ROPS) Knobs
43
Adjusting the Tracking
43
Checking the Tire Pressure
44
Checking the Wheel Hub Slotted Nut
44
Adjusting the Caster Pivot Bearing
45
Using the Clutch Shim
45
Cooling System Maintenance
47
Cleaning the Engine Screen and Engine Oil Cooler
47
Cleaning the Engine Cooling Fins and Shrouds
47
Check and Clean the Hydraulic Unit Shrouds
48
Brake Maintenance
49
Adjusting the Parking Brake
49
Belt Maintenance
50
Inspecting the Belts
50
Replacing the Mower Belt
50
Replacing the Hydraulic Pump Drive Belt
51
Controls System Maintenance
52
Adjusting the Control Handle Position
52
Adjusting the Motion Control Linkage
52
Adjusting the Motion Control Damper
53
Adjusting the Motion Control Neutral Lock Pivot
53
Hydraulic System Maintenance
54
Servicing the Hydraulic System
54
Mower Deck Maintenance
56
Leveling the Mower Deck
56
Servicing the Cutting Blades
58
Removing the Blades
59
Removing the Mower Deck
61
Replacing the Grass Deflector
62
Cleaning
63
Cleaning under the Mower
63
Waste Disposal
63
Storage
63
Cleaning and Storage
63
Troubleshooting
65
Schematics
67
Advertisement
Related Products
Toro 74901 Z Master 5000
Toro 74903 Z Master 5000
Toro Z Master 74901
Toro 74906
Toro Z Master 74902TE
Toro 74901CP
Toro 74903CP
Toro 74909TE
Toro 74904
Toro 74942TE
Toro Categories
Lawn Mower
Lawn Mower Accessories
Snow Blower
Lawn and Garden Equipment
Utility Vehicle
More Toro Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL