Toro 20330 Service Manual - Page 7

Wheel Pinion Clutch, Blade Brake Clutch Systems Bbc, Blade Override System Bos, Blade Clutch System

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TABLE OF CONTENTS Speed Reduction System 4-3 Gear Selection System 4-4 Removal - Toro Vacu Power/Lawn-Boy Medallion Models 4-5 Removal - Recycler/Rear Bagger Chassis 4-6 Alternate Method 4-6 Disassembly 4-6 Transmission - Assembly 4-7 Output Shaft Assembly 4-8 Input Shaft Assembly 4-9 Intermediate Shaft Assembly 4-10 Installation 4-10 Special Assembly Notes for Toro Vacu Power/Lawn-Boy Medallion 4-11 TROUBLESHOOTING TIPS - 3 SPEED TRANSMISSION Hard Shifting 4-12 Slipping Gears 4-12 WHEEL PINION CLUTCH GEAR CASE & WHEEL ASSEMBLY, ROCKING KEY STYLE 5-2 Wheel Pinion Clutch 5-3 Component Definitions 5-3 Test for Function 5-4 Quick Test 5-4 Rear Height-of-Cut & Wheel Pinion Clutch - Disassembly 5-4 Rear Height-of-Cut & Wheel Pinion Clutch - Assembly 5-5 GEAR CASE & WHEEL ASSEMBLY SPRING RATCHET STYLE 5-8 Spring Ratchet Key Style 5-9 Servicing the System 5-9 WHEEL PINION SERVICE 5-9 BLADE BRAKE CLUTCH SYSTEMS (BBC), BLADE OVERRIDE SYSTEM (BOS), BLADE CLUTCH SYSTEM (BCS) BLADE BRAKE CLUTCH SYSTEM Description 6-2 BBC Clutch Option 6-2 Control Box Operation 6-2 Handle Controls 6-3 Control Box Disassembly 6-6 Control Box Assembly 6-7 TORO BBC SERVICE GUIDE 6-10 BLADE BRAKE CLUTCH ASSEMBLY (Toro Vacu Power/Lawn-Boy Medallion 6-11 TORO VACU POWER/LAWN-BOY MEDALLION BBC 6-12 Bellcrank System Disassembly (Toro Vacu Power/Lawn-Boy Medallion 6-12 Bellcrank System Assembly (Toro Vacu Power/Lawn-Boy Medallion 6-13 BBC Cover and Screen 6-14 Under Deck Components Disassembly (Toro Vacu Power/Lawn-Boy Medallion 6-15 Under Deck Components Assembly (Toro Vacu Power/Lawn-Boy Medallion 6-17 BBC Cable Removal (Toro Vacu Power/Lawn-Boy Medallion 6-19 BBC Cable Installation (Toro Vacu Power/Lawn-Boy Medallion 6-20 ENGINE & BLADE ASSEMBLY (Toro Recycler/Rear Bagger 6-21 TORO RECYCLER/REAR BAGGER BBC 6-22 Idler Arm System Disassembly (Recycler/Rear Bagger 6-22 Idler Arm System Assembly (Recycler/Rear Bagger 6-25 WPM Drive Systems Manual iii

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iii
WPM Drive Systems Manual
TABLE OF CONTENTS
Speed Reduction System
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Gear Selection System
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Removal - Toro Vacu Power/Lawn-Boy Medallion Models
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Removal - Recycler/Rear Bagger Chassis
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Alternate Method
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Disassembly
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Transmission - Assembly
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Output Shaft Assembly
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Input Shaft Assembly
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Intermediate Shaft Assembly
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Installation
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Special Assembly Notes for Toro Vacu Power/Lawn-Boy Medallion
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TROUBLESHOOTING TIPS - 3 SPEED TRANSMISSION
Hard Shifting
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Slipping Gears
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WHEEL PINION CLUTCH
GEAR CASE & WHEEL ASSEMBLY, ROCKING KEY STYLE
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Wheel Pinion Clutch
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Component Deļ¬nitions
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Test for Function
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Quick Test
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Rear Height-of-Cut & Wheel Pinion Clutch - Disassembly
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Rear Height-of-Cut & Wheel Pinion Clutch - Assembly
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GEAR CASE & WHEEL ASSEMBLY SPRING RATCHET STYLE
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Spring Ratchet Key Style
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Servicing the System
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WHEEL PINION SERVICE
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BLADE BRAKE CLUTCH SYSTEMS (BBC), BLADE OVERRIDE SYSTEM (BOS),
BLADE CLUTCH SYSTEM (BCS)
BLADE BRAKE CLUTCH SYSTEM
Description
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BBC Clutch Option
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Control Box Operation
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Handle Controls
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Control Box Disassembly
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Control Box Assembly
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TORO BBC SERVICE GUIDE .
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BLADE BRAKE CLUTCH ASSEMBLY (Toro Vacu Power/Lawn-Boy Medallion)
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TORO VACU POWER/LAWN-BOY MEDALLION BBC
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Bellcrank System Disassembly (Toro Vacu Power/Lawn-Boy Medallion)
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Bellcrank System Assembly (Toro Vacu Power/Lawn-Boy Medallion)
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BBC Cover and Screen
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Under Deck Components Disassembly (Toro Vacu Power/Lawn-Boy Medallion)
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Under Deck Components Assembly (Toro Vacu Power/Lawn-Boy Medallion)
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BBC Cable Removal (Toro Vacu Power/Lawn-Boy Medallion)
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BBC Cable Installation (Toro Vacu Power/Lawn-Boy Medallion)
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ENGINE & BLADE ASSEMBLY (Toro Recycler/Rear Bagger)
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TORO RECYCLER/REAR BAGGER BBC
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Idler Arm System Disassembly (Recycler/Rear Bagger)
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Idler Arm System Assembly (Recycler/Rear Bagger)
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4-3
4-4
4-5
4-6
4-6
4-6
4-7
4-8
4-9
4-10
4-10
4-11
4-12
4-12
5-2
5-3
5-3
5-4
5-4
5-4
5-5
5-8
5-9
5-9
5-9
6-2
6-2
6-2
6-3
6-6
6-7
6-10
6-11
6-12
6-12
6-13
6-14
6-15
6-17
6-19
6-20
6-21
6-22
6-22
6-25