Contents

AUGER GEARBOX SERVICE . . . . . . . . . . . . . 1-1

GENERAL INFORMATION . . . . . . . . . . . . . . . . 1-1 AUGER GEARBOX LUBRICANT . . . . . . . . . . . 1-1 GEARBOX REMOVAL . . . . . . . . . . . . . . . . . . . 1-1

Primary Method — Minimum

Disassembly . . . . . . . . . . . . . . . . . . . . . . 1-2

Secondary Method — Traction and Auger Housings Separated: Toro Models

38065 and 38080 . . . . . . . . . . . . . . . . . . 1-4

Secondary Method — Traction and Auger Housings Separated:

All Other Models . . . . . . . . . . . . . . . . . . . 1-5 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

AUGER GEARBOX

DISASSEMBLY / SERVICE . . . . . . . . . . . . . . 1-7 Failure Analysis . . . . . . . . . . . . . . . . . . . . . 1-9 GEARBOX ASSEMBLY . . . . . . . . . . . . . . . . . . 1-9

BELTS, CONTROLS AND LINKAGES . . . . . . 2-1

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . 2-1

REPLACING THE AUGER/IMPELLER

DRIVE BELT . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 REPLACING THE TRACTION BELT . . . . . . . . 2-2

Replacing the Traction Belt — Toro Models 38065, 38080, 38085 . . . . . . . . . . . . . . . 2-2

Replacing the Traction Belt — Lawn-Boy Models 28230, 28231 and Toro Models 38051, 38052, 38054, 38056, 38062, 38063, 38064, 38072, 38073 . . . 2-3

Replacing the Traction Belt —

Lawn-Boy Model 28232 and

Toro Models 38053, 38066,

38078, 38083, 38084, 38086 . . . . . . . . . 2-4 CONTROL AND LINKAGE ADJUSTMENT. . . . 2-7

Auger Control Adjustment —

Toro Models 38065, 38080, 38085 . . . . . 2-7 Install Auger Drive Control Rod . . . . . 2-7 Adjusting Auger/Impeller Drive Belt . . 2-7

Auger/Impeller Drive Control Linkage —

All Other Models . . . . . . . . . . . . . . . . . . . 2-8 ADJUSTING TRACTION CONTROL . . . . . . . . 2-9

Adjusting the Traction Control —

Toro Models 38065, 38080, 38085 . . . . . 2-9

Adjusting the Traction Control — 824XL (Toro Models 38066, 38078, 38083, 38084, 38086 and

Lawn-Boy Model 28232) . . . . . . . . . . . . . 2-10

ADJUSTING THE TRACTION ROD —
LAWN-BOY MODELS 28230, 28231 AND
TORO MODELS 38051, 38052, 38054,
38056, 38062, 38063, 38064	2-11
ADJUSTING THE SPEED SELECTOR	2-12
TRACTION DRIVE SYSTEMS	3-1
INTRODUCTION	3-1
TROUBLESHOOTING THE TRACTION
DRIVE — ALL MODELS	3-2
DISASSEMBLY — TORO MODELS 38065,
38080, 38085	3-2
ASSEMBLY — TORO MODELS 38065,
38080, 38085	3-4
Preparation	3-4
Assembly	3-5

DISASSEMBLY — LAWN-BOY MODELS 28230, 23231 AND TORO MODELS 38051, 38052, 38054, 38056, 38062, 38063, 38064, 38072,

38073 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

ASSEMBLY — LAWN-BOY MODELS 28230, 23231 AND TORO MODELS 38051, 38052, 38054, 38056, 38062, 38063, 38064, 38072,

38073 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Assembly Tips . . . . . . . . . . . . . . . . . . . . . 3-10 Assembly Steps . . . . . . . . . . . . . . . . . . . . 3-10

DISASSEMBLY — TORO MODELS 38066, 38078, 38083, 38084, 38086 . . . . . . . . . . . . 3-14

ASSEMBLY — TORO MODELS 38066, 38078, 38083, 38084, 38086 . . . . . . . . . . . . . . . . . . 3-16

SUB ASSEMBLY REPAIR —

TORO MODELS 38066, 38078, 38083, 38084, 38086 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

Traction Shaft/Friction

Wheel Disassembly. . . . . . . . . . . . . . . . 3-17 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 Axle and Friction Plate Disassembly . . . . 3-18 Axle and Friction Plate Assembly . . . . . . 3-19

Two Stage Snowthrower Drive Systems Manual

Toro 38065, 38080 manual Contents

Models: 38065 38080