Table of Contents - Page 1 of
TORO/LAWN-BOY TWO STAGE SNOWTHROWER DRIVE SYSTEMS MANUAL
TORO/LAWN-BOY TWO STAGE SNOWTHROWER DRIVE SYSTEMS MANUAL
Table of Contents - Page 2 of
2-Stage Snowthrower Drive Systems
Service Manual
The Toro Company Consumer Service Department
About This Manual
8111 Lyndale Avenue South Bloomington, MN
TRACTION DRIVE SYSTEMS
Contents
AUGER GEARBOX SERVICE
BELTS, CONTROLS AND LINKAGES
Two Stage Snowthrower Drive Systems Manual
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Year
Introduction
Model
Model Name
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Introduction
Two Stage Snowthrower Drive Systems Manual
GEARBOX REMOVAL
Chapter 1 - Auger Gearbox Service
GENERAL INFORMATION
AUGER GEARBOX LUBRICANT
Primary Method - Minimum Disassembly
Auger Gearbox Service
Auger Gearbox Service
7. Model 38065 and 38080 only - Disconnect the
Two Stage Snowthrower Drive Systems Manual
3. Disconnect the chute crank rod at the auger Figure
Auger Gearbox Service
Auger Gearbox Service
6. Now perform steps 1 - 9 under “GEARBOX REMOVAL” on page 1
Two Stage Snowthrower Drive Systems Manual
Auger Gearbox Service
INSTALLATION
AUGER GEARBOX DISASSEMBLY / SERVICE
Auger Gearbox Service
Two Stage Snowthrower Drive Systems Manual
6. Clean the output shaft and slide the case halves off. Remove the seals from the case halves and discard the seals
Auger Gearbox Service
Two Stage Snowthrower Drive Systems Manual
GEARBOX ASSEMBLY
Failure Analysis
Auger Gearbox Service
6. On models with worm separate from the impeller shaft - Assemble the parts on the impeller shaft. From the inside out, the order is as follows seal, bushing, thrust washer, thrust bearing, thrust washer, key, worm, thrust washer, retaining ring sharp edge towards the front and bushing Figure
Auger Gearbox Service
Auger Gearbox Service
Note Some models have 8 gear case screws others have
Two Stage Snowthrower Drive Systems Manual
Two Stage Snowthrower Drive Systems Manual
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Two Stage Snowthrower Drive Systems Manual
Chapter 2 - Belts, Controls and Linkages
INTRODUCTION
REPLACING THE AUGER/IMPELLER DRIVE BELT
Belts, Controls and Linkages
REPLACING THE TRACTION BELT
Replacing the Traction Belt - Toro Models 38065, 38080
Two Stage Snowthrower Drive Systems Manual
HOW TO AVOID THE HAZARD Use caution when removing the spring
Belts, Controls and Linkages
POTENTIAL HAZARD The spring is under heavy tension
Belts, Controls and Linkages
11. Install a new belt around the large traction pulley
Belts, Controls and Linkages
6. Remove engine crankshaft screw, lock washer and washer Figure
Two Stage Snowthrower Drive Systems Manual
Belts, Controls and Linkages
18. Reinstall idler pulley spring
Adjusting Auger/Impeller Drive Belt
CONTROL AND LINKAGE ADJUSTMENT
Auger Control Adjustment - Toro Models 38065, 38080
Install Auger Drive Control Rod
Belts, Controls and Linkages
Auger/Impeller Drive Control Linkage - All Other Models
Two Stage Snowthrower Drive Systems Manual
ADJUSTING TRACTION CONTROL
Adjusting the Traction Control - Toro Models 38065, 38080
Belts, Controls and Linkages
Belts, Controls and Linkages
13 cm Figure 61. This is a preliminary setting only
Belts, Controls and Linkages
3. Tighten the two flange nuts finger tight
Two Stage Snowthrower Drive Systems Manual
Belts, Controls and Linkages
ADJUSTING THE SPEED SELECTOR
1. Gap
Chapter 3 - Traction Drive Systems
INTRODUCTION
Two Stage Snowthrower Drive Systems Manual
Drive slipping
TROUBLESHOOTING THE TRACTION DRIVE - ALL MODELS
DISASSEMBLY - TORO MODELS 38065, 38080
Traction Drive Systems
7. Disconnect the two clevis pins on the shift linkage rods
Traction Drive Systems
Two Stage Snowthrower Drive Systems Manual
Snap ring
ASSEMBLY - TORO MODELS 38065, 38080 Preparation
Traction Drive Systems
1. Eyebolt
Assembly
Traction Drive Systems
Two Stage Snowthrower Drive Systems Manual
Traction Drive Systems
4. If the pivot assembly was repaired, now is the time to assemble it
Traction Drive Systems
1. Drain the gasoline and oil
Two Stage Snowthrower Drive Systems Manual
7. Disconnect the shift rod and traction drive rod
Traction Drive Systems
Traction Drive Systems
14. Now the two bearings that support the hex shaft can be removed
Two Stage Snowthrower Drive Systems Manual
Assembly Tips
Assembly Steps
Traction Drive Systems
MVC-862
Traction Drive Systems
Two Stage Snowthrower Drive Systems Manual
2773-078
Traction Drive Systems
12. If the receiver cam has been removed, install it now
17. Install the friction wheel and sliding bracket. The friction wheel should be on your left Figure
Traction Drive Systems
Two Stage Snowthrower Drive Systems Manual
Traction Drive Systems
DISASSEMBLY - TORO MODELS 38066, 38078, 38083, 38084
Traction Drive Systems
Two Stage Snowthrower Drive Systems Manual
Bell crank
Traction Drive Systems
ASSEMBLY - TORO MODELS 38066, 38078, 38083, 38084
Two Stage Snowthrower Drive Systems Manual
SUB ASSEMBLY REPAIR TORO MODELS 38066, 38078, 38083, 38084
Traction Shaft/Friction Wheel Disassembly
Traction Drive Systems
4. The bearings can now be removed from the frame
Axle and Friction Plate Disassembly
Assembly
Traction Drive Systems
Axle and Friction Plate Assembly
Traction Drive Systems
Two Stage Snowthrower Drive Systems Manual
Two Stage Snowthrower Drive Systems Manual
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