Toro 521 User manual

Operator’s Manual

FORM NO. 3316–636 Rev. A

521

Snowthrower

Model No. 38052 – 5900001 & Up

The engine exhaust from this product

contains chemicals known to the State of

California to cause cancer, birth defects,

or other reproductive harm.

WARNING:

The Toro Company – 1995

Printed in USA

Figures

646



1. Model and serial number decal







653

1. Handle

2. Capscrews and curved

washers

3. Axle pin







473

1. Axle pin

2. Outer axle hole 3. Inner axle hole and wheel

hub





885

1. Small wire connector and

Phillips head screw

2. Flange head capscrew

and large wire connector

648

1. Speed selector arm

2. Speed selector rod 3. Flat washer and cotter pin

654

1. Traction rod

2. Loop 3. Lower traction rod

4. Flange nuts

879

1. Auger control lever

2. Traction control lever 3. Speed selector

4. Speed selector rod

2665

1. Traction control lever

2. Handgrip 3. Approximately 4#/8inches

4. One to two inches

iii

649

1. Jam nut

2. Clevis

3. Upper control rod

4. Lower control rod

5. Clevis pin

6. Cotter pin

665

1. Auger control lever

2. Handgrip 3. Approximately four inches

4. One to two inches

886

1. Chute control bracket and

rod 2. Capscrew and locknut

9 10

658

1. Worm gear and bracket

2. Bolt, pyramidal washer

and locknut

3. Mounting flange

667

1. Chute

2. Deflector

3. Carriage bolt

4. Rubber washer

5. Friction plate

6. Large flat washer

7. Curved washer

8. Locknut

883

1. Filler hole

2. Dipstick 3. Fuel tank cap

879

1. Auger drive control

2. Traction control

3. Speed selector

4. Ignition switch

5. Discharge chute control

6. Fuel shut–off valve

7. Chute deflector handle

3884

1. Choke

2. Primer 3. Throttle

4. Recoil starter

2880

1. Carburetor heater box

2. Phillips screws 3. Hex head screw

2651

1. Skid

2. Auger side plate 3. Flange nuts

652

1. Scraper

2. Mounting screws 3. Auger blades

881

1. Fuel shut–off valve

2. Hose clamp 3. Fuel line



646

1. Four screws

887

885

1. Drain plug



652

1. Pipe plug

vii

661

1. Belt cover 2. Screw (2)

664

1. Traction drive belt

2. Auger/impeller drive belt

3. Belt guide

4. Idler pulley

5. Large auger/impeller

pulley

6. Engine pulley

2650

1. Spring

2. Notch in side plate 3. Large traction pulley

25 26

viii

659

1. Flange nuts 2. Speed selector plate

!/8

650/913

1. Roll pin 2. Drive assembly

660

1. Power adjusting screw

2. Idle mixture screw 3. Idle speed screw

880

1. Spark plug wire

0.030"

(0.76 mm)

110

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