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
All Rights Reserved
Printed in USA
i
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
1
2
3
4

ii
3
2
1
648
1. Speed selector arm
2. Speed selector rod 3. Flat washer and cotter pin
31
4
2
4
654
1. Traction rod
2. Loop 3. Lower traction rod 4. Flange nuts
12
3
4
879
1. Auger control lever
2. Traction control lever 3. Speed selector 4. Speed selector rod
1
2665
3
4
1. Traction control lever
2. Handgrip 3. Approximately 4#/8inches 4. One to two inches
5
6
7
8

iii
31
5
2
6
4
649
1. Jam nut
2. Clevis
3. Upper control rod
4. Lower control rod
5. Clevis pin
6. Cotter pin
1
2
665
3
4
1. Auger control lever
2. Handgrip 3. Approximately four inches 4. One to two inches
1
2
886
1. Chute control bracket and
rod 2. Capscrew and locknut
9 10
11

iv
1
2
3
658
1. Worm gear and bracket
2. Bolt, pyramidal washer
and locknut
3. Mounting flange
2
68
7
5
4
1
3
667
1. Chute
2. Deflector
3. Carriage bolt
4. Rubber washer
5. Friction plate
6. Large flat washer
7. Curved washer
8. Locknut
883
2
3
1
1. Filler hole
2. Dipstick 3. Fuel tank cap
12
34
5
6
7
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
12
13
14
15

v
4
2
1
3884
1. Choke
2. Primer 3. Throttle 4. Recoil starter
3
1
2880
1. Carburetor heater box
2. Phillips screws 3. Hex head screw
1
3
2651
1. Skid
2. Auger side plate 3. Flange nuts
3
2
2
1
652
1. Scraper
2. Mounting screws 3. Auger blades
2
13
881
1. Fuel shut–off valve
2. Hose clamp 3. Fuel line
16
17
18
19
20

vi

646
1. Four screws
887
885
1. Drain plug

652
1. Pipe plug
21
22
23
24

vii
21
661
1. Belt cover 2. Screw (2)
1
6
3
5
2
4
664
1. Traction drive belt
2. Auger/impeller drive belt
3. Belt guide
4. Idler pulley
5. Large auger/impeller
pulley
6. Engine pulley
3
1
2650
1. Spring
2. Notch in side plate 3. Large traction pulley
25 26
27

viii
1
2
659
1. Flange nuts 2. Speed selector plate
!/8
1
2
650/913
1. Roll pin 2. Drive assembly
2
3
1
660
1. Power adjusting screw
2. Idle mixture screw 3. Idle speed screw
1
880
1. Spark plug wire
0.030"
(0.76 mm)
110
28
29
30
31
32