Toro Power Clear 621, Power Clear 418 Service Manual

Residential Products

2014 Power Clear® 418/621

Service Manual

General Information

1

Safety Information

SAFETY INFORMATION

This symbol means WARNING or
PER SONAL SAFETY INSTRUCTION –
read the instruction because it has to do
with your safety. Failure to comply with
the instruction may result in personal

!

This manual is intended as a service and repair manual
only. The safety instructions provided herein are for
troubleshooting, service, and repair of the Toro Power
Clear® 418 and 621 Snowthrowers.

injury or even death.

Think Safety First

Avoid unexpected starting of engine…

Always turn off the engine and disconnect the spark plug
wire(s) before cleaning, adjusting, or repair.

Avoid lacerations and amputations…

Stay clear of all moving parts whenever the engine is
running. Treat all normally moving parts as if they were
moving whenever the engine is running or has the
potential to start.

The Power Clear operator’s manuals contain safety
informa tion and operating tips for safe operating practices.
Operator’s manuals are available online through your Toro
parts source or:

The Toro Company
Publications Department
8111 Lyndale Avenue South
Bloomington, MN 55420

Avoid injury from batteries…

Battery acid is poisonous and can cause burns. Avoid
contact with skin, eyes and clothing. Battery gases can

explode. Keep cigarettes, sparks and ames away from

the battery.

Avoid injury due to inferior parts…

Use only original equipment parts to ensure that important
safety criteria are met.

Avoid burns…

Do not touch the engine, mufer, or other components,

which may increase in temperature during operation, while
the unit is running or shortly after it has been running.

Avoid res and explosions…

Avoid spilling fuel and never smoke while working with
any type of fuel or lubricant. Wipe up any spilled fuel or
oil immediately. Never remove the fuel cap or add fuel
when the engine is running. Always use approved, labeled
containers for storing or transporting fuel and lubricants.

Avoid asphyxiation…

Never operate an engine in a conned area without proper

ventilation.

Avoid injury to bystanders…

Always clear the area of bystanders before starting or
testing powered equipment.

Avoid injury due to projectiles…

Always clear the area of sticks, rocks or any other debris
that could be picked up and thrown by the powered
equipment.

Avoid modications…

Never alter or modify any part unless it is a factory
approved procedure.

Avoid unsafe operation…

Toro Single Stage Snow Service Manual 1-1

SAFETY INFORMATION

NOTES

1-2

Toro Single Stage Snow Service Manual

CHAPTER 2 - SPECIFICATIONS & MAINTENANCE

Torque Specications .....................................................2-2

Standard Torque Values (Inch) .......................................2-3

Standard Torque Values (Metric Fasteners) ...................2-3

Other Torque Specications ........................................... 2-4

U.S. to Metric Conversions .............................................2-4

Equivalents & Conversions.............................................2-5

Power Clear® 418 (18 Inch Models) ...............................2-6

Inspecting the Rotor Blades ...........................................2-7

Changing the Engine Oil.................................................2-7

Servicing the Spark Plug ................................................2-9

Replacing the Drive Belt ...............................................2-10

Storage .........................................................................2-12

2

Specications & Maintenance

Power Clear® 621 (21 Inch Models) .............................2-14

Adjusting the Control Cable ..........................................2-15

Inspecting the Rotor Blades .........................................2-17

Changing the Engine Oil...............................................2-17

Servicing the Spark Plug ..............................................2-19

Replacing the Drive Belt ...............................................2-21

Adjusting the Quick Shoot

™

Control .............................2-22

Toro Single Stage Snow Service Manual

2-1

SPECIFICATIONS & MAINTENANCE

A

A

B

B

Torque Specications

Recommended fastener torque values are listed in the
following tables. For critical applications, as determined by
Toro, either the recommended torque or a torque that is
unique to the application is clearly identied and specied
in the service manual.

These torque specications for the installation and
tightening of fasteners shall apply to all fasteners which
do not have a specic requirement identied in the service
manual. The following factors shall be consid ered when
applying torque: cleanliness of the fastener, use of a
thread sealant (e.g. Loctite®), degree of lubrication on the
fastener, presence of a prevailing torque feature, hardness
of the surface underneath of the fastener’s head, or similar

condition which affects

the installation.

As noted in the following tables, torque values should
be reduced by 25% for lubricated fasteners to achieve
the similar stress as a dry fastener. Torque values may
also have to be reduced when the fastener is threaded
into aluminum or brass. The specic torque value should
be determined based on the aluminum or brass material

strength, fastener size, length of thread

engagement, etc.

Fastener Identication

C

Inch Series Bolts and Screws

(A) Grade 1 & 2
(B) Grade 5
(C) Grade 8

8.8 10.9

Metric Bolts and Screws

(A) Class 8.8
(B) Class 10.9

The standard method of verifying torque shall be per
formed by marking a line on the fastener (head or nut) and
mating part, then back off fastener 1/4 of a turn. Measure
the torque required to tighten the fastener until the lines
match up.

2-2

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

Standard Torque Values (Inch)

Thread Size

1/4-20 UNC 48 ± 7 53 ± 7 599 ± 79 100 ± 10 1125 ± 100 140 ± 15 1580 ± 170
1/4-28 UNF 53 ± 7 65 ± 10 734 ± 113 115 ± 10 1300 ± 100 160 ± 15 1800 ± 170
5/16-18 UNC 115 ± 15 105 ± 15 1186 ± 169 200 ± 25 2250 ± 280 300 ± 30 3390 ± 340
5/16-24 UNF 138 ± 17 128 ± 17 1446 ± 192 225 ± 25 2540 ± 280 325 ± 30 3670 ± 340

3/8-16 UNC 16 ± 2 16 ± 2 22 ± 3 30 ± 3 41 ± 4 43 ± 4 58 ± 5
3/8-24 UNF 17 ± 2 18 ± 2 24 ± 3 35 ± 3 47 ± 4 50 ± 4 68 ± 5
7/16-14 UNC 27 ± 3 27 ± 3 37 ± 4 50 ± 5 68 ± 7 70 ± 7 68 ± 9
7/16-20 UNF 29 ± 3 29 ± 3 39 ± 4 55 ± 5 75 ± 7 77 ± 7 104 ± 9
1/2-13 UNC 30 ± 3 48 ± 7 65 ± 9 75 ± 8 102 ± 11 105 ± 10 142 ± 14
1/2-20 UNF 32 ± 3 53 ± 7 72 ± 9 85 ± 8 115 ± 11 120 ± 10 163 ± 14
5/8-11 UNC 65 ± 10 88 ± 12 119 ± 16 150 ± 15 203 ± 20 210 ± 20 285 ± 27
5/8-18 UNF 75 ± 10 95 ± 15 129 ± 20 170 ± 15 230 ± 20 240 ± 20 325 ± 27
3/4-10 UNC 93 ± 12 140 ± 20 190 ± 27 265 ± 25 359 ± 34 374 ± 35 508 ± 47
3/4-16 UNF 115 ± 15 165 ± 25 224 ± 34 300 ± 25 407 ± 34 420 ± 35 569 ± 47
7/8-9 UNC 140 ± 20 225 ± 25 305 ± 34 430 ± 45 583 ± 61 600 ± 60 813 ± 81
7/8-14 UNF 155 ± 25 260 ± 30 353 ± 41 475 ± 45 644 ± 61 660 ± 60 895 ± 81

Grade 1, 5, & 8

with Thin Height

Nuts
In-lb In-lb N-cm In-lb N-cm In-lb N-cm

ft-lb ft-lb N-m ft-lb N-m ft-lb N-m

SAE Grade 1 Bolts SAE Grade 5 Bolts SAE Grade 8 Bolts

2

Specications & Maintenance

Standard Torque Values (Metric Fasteners)

Thread Size Class 8.8 Bolts Class 10.9 Bolts

M5 X 0.8 57 ± 5 inlb 644 ± 68 Ncm 78 ± 8 inlb 881 ± 90 Ncm

M6 X 1.0 96 ± 10 inlb 1085 ± 113 Ncm 133 ± 14 inlb 1503 ± 158 Ncm

M8 X 1.25 19 ± 2 ftlb 26 ± 3 Nm 28 ± 3 ftlb 38 ± 4 Nm

M10 X 1.5 38 ± 4 ftlb 52 ± 5 Nm 54 ± 6 ftlb 73 ± 8 Nm

M12 X 1.75 66 ± 7 ftlb 90 ± 10 Nm 93 ± 10 ftlb 126 ± 14 Nm

M16 X 2.0 166 ± 15 ftlb 225 ± 23 Nm 229 ± 23 ftlb 310 ± 31 Nm

M20 X 2.5 325 ± 33 ftlb 440 ± 45 Nm 450 ± 36 ftlb 610 ± 62 Nm

INCH/METRIC NOTE: Reduce torque values

listed in the table above by 25% for lubricated
fasteners. Lubricated fasteners are dened
as threads coated with a lubricant such as oil,
graphite, or thread sealant such as Loctite

INCH/METRIC NOTE: Torque values may
have to be reduced when installing fasteners
into threaded aluminum or brass. The
specic torque value should be determined
based on the fastener size, the aluminum

or base material strength, length of thread
engagement, etc.

INCH/METRIC NOTE: The nominal torque

®

.

values listed above for Grade 5 and 8
fasteners are based on 75% of the minimum
proof load specied in SAE J429.
The tolerance is approximately ± 10% of the
nominal torque value. Thin height nuts include
jam nuts.

METRIC NOTE: The nominal torque values
listed above are based on 75% of the
minimum proof load specied in SAE J1199.
The tolerance is approximately ± 10% of the
nominal torque value. Thin height nuts include
jam nuts.

Toro Single Stage Snow Service Manual

2-3

SPECIFICATIONS & MAINTENANCE

Other Torque Specications

SAE Grade 8 Steel Set Screws

Thread Cutting Screws (Zinc Plated Steel)

Type 1, Type 23, or Type F

Thread Size Baseline Torque*

No. 6 - 32 UNC 20 ± 5 inlb

No. 8 - 32 UNC 30 ± 5 inlb

No. 10 - 24 UNC 38 ± 7 inlb

1/4 - 20 UNC 85 ± 15 inlb

5/16 - 18 UNC 110 ± 20 inlb

3/8 - 16 UNC 200 ± 100 inlb

Thread Size

1/4 - 20 UNC 140 ± 20 inlb 73 ± 12 inlb

5/16 - 18 UNC 215 ± 35 inlb 145 ± 20 inlb

3/8 - 16 UNC 35 ± 10 ftlb 18 ± 3 ftlb

1/2 - 13 UNC 75 ± 15 ftlb 50 ± 10 ftlb

Recommended Torque

Square Head Hex Socket

Wheel Bolts and Lug Nuts

Thread Size Recommended Torque**

7/16 - 20 UNF Grade 5 65 ± 10 ftlb 88 ± 14 Nm

1/2 - 20 UNF Grade 5 80 ± 10 ftlb 108 ± 14 Nm

M12 X 1.25 Class 8.8 80 ± 10 ftlb 108 ± 14 Nm

M12 X 1.5Class 8.8 80 ± 10 ftlb 108 ± 14 Nm

** For steel wheels and nonlubricated fasteners.

Thread Cutting Screws (Zinc Plated Steel)

Thread Size

No. 6 18 20 20 ± 5 inlb

No. 8 15 18 30 ± 5 inlb
No. 10 12 16 38 ± 7 inlb
No. 12 11 14 85 ± 15 inlb

* Hole size, material strength, material thickness and nish must be
considered when determining specic torque values. All torque values are
based on nonlubricated fasteners.

Threads per Inch

Type A Type B

Baseline Torque*

Conversion Factors

in-lb x 11.2985 = N-cm Ncm x  0.08851 = inlb 88 ± 14 Nm

ft-lb x 1.3558 = N-m Ncm x 0.73776 = ftlb 108 ± 14 Nm

U.S. to Metric Conversions

To Convert Into Multiply By

Miles

Yards

Linear Measurement

Area

Volume

Weight

Pressure Pounds/Sq. In. Kilopascal 6.895

Work

Liquid Volume

Liquid Flows Gallons/Minute Liters/Minute 3.785

Temperature Fahrenheit Celsius

Feet

Feet
Inches
Inches
Inches

Square Miles

Square Feet

Square Inches

Acre

Cubic Yards

Cubic Feet

Cubic Inches

Tons (Short)

Pounds
Ounces

Footpounds
Footpounds
Inchpounds

Quarts

Gallons

Kilometers

Meters
Meters

Centimeters

Meters

Centimeters

Millimeters

Square Kilometers

Square Meters

Square Centimeters

Hectare

Cubic Meters
Cubic Meters

Cubic Centimeters

Metric Tons

Kilograms

Grams

NewtonMeters

KilogramMeters

KilogramCentimeters

Liters
Liters

1.609

0.9144

0.3048

30.48

0.0254

2.54

25.4

2.59

0.0929

6.452

0.4047

0.7646

0.02832

16.39

0.9078

0.4536

28.3495

1.356

0.1383

1.152144

0.9463

3.785

1. Subtract 32°

2. Multiply by 5/9

2-4

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

Equivalents & Conversions

Decimal & Millimeter Equivalents

Fractions Decimals mm Fractions Decimals mm

1/64 0.015625 0.397 33/64 0.515625 13.097
1/32 0.03125 0.794 16/32 0.53125 13.484
3/64 0.046875 1.191 35/64 0.546875 13.891
1/16 0.0625 1.588 9/16 0.5625 14.288
5/64 0.078125 1.984 37/64 0.578125 14.684
3/32 0.9375 2.381 19/32 0.59375 15.081

1/8 0.1250 3.175 5/8 0.6250 15.875
9/64 0.140625 3.572 41/64 0.640625 16.272
5/32 0.15625 3.969 21/32 0.65625 16.669

11/64 0.171875 4.366 43/64 0.671875 17.066

3/16 0.1875 4.762 11/16 0.6875 17.462

2

Specications & Maintenance

13/64 0.203125 5.159 45/64 0.703125 17.859

7/32 0.21875 5.556 23/32 0.71875 18.256

15/64 0.234375 5.953 47/64 0.734375 18.653

1/4 0.2500 6.350 3/4 0.7500 19.050

17/64 0.265625 6.747 49/64 0.765625 19.447

9/32 0.28125 7.144 25/32 0.78125 19.844

19/64 0.296875 7.541 51/64 0.796875 20.241

5/16 0.3125 7.541 13/16 0.8125 20.638

21/64 0.328125 8.334 53/64 0.828125 21.034

11/32 0.34375 8.731 27/32 0.84375 21.431

23/64 0.359375 9.128 55/64 0.859375 21.828

3/8 0.3750 9.525 7/8 0.8750 22.225

25/64 0.390625 9.922 57/64 0.890625 22.622
13/32 0.40625 10.319 29/32 0.90625 23.019
27/64 0.421875 10.716 59/64 0.921875 23.416

7/16 0.4375 11.112 15/16 0.9375 23.812

29/64 0.453125 11.509 61/64 0.953125 24.209
15/32 0.46875 11.906 31/32 0.96875 24.606
31/64 0.484375 12.303 63/64 0.984375 25.003

1/2 0.5000 12.700 1 1.000 25.400

1 mm = 0.03937 in. 0.001 in. = 0.0254mm

Toro Single Stage Snow Service Manual

2-5

SPECIFICATIONS & MAINTENANCE

Power Clear® 418 (18 Inch Models)

Maintenance

Recommended Maintenance Schedule(s)

NOTE

Determine the left and right sides of the machine from the normal operating position.

Maintenance Service Interval Maintenance Procedure

After the rst hour

After the rst 2 hours Change the engine oil.

Before each use or daily Check the engine oil level and add oil if necessary.

Yearly

Check the control cable and adjust it if necessary.
Check for loose fasteners and tighten them if necessary.

Check the control cable and adjust it if necessary.
Inspect the rotor blades and replace the rotor blades and
scraper if necessary.
Change the engine oil.
Service the spark plug and replace it if necessary.
Check for loose fasteners and tighten them if necessary.
Inspect the drive belt and replace it if necessary.

Yearly or before storage Prepare the machine for storage.

2-6

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

A

B

Inspecting the Rotor Blades

Service Interval

Yearly – Inspect the rotor blades and replace the rotor
blades and scraper if necessary.

Before each session, inspect the rotor blades for wear.
When a rotor blade edge has worn down to the wear
indicator hole, replace the rotor blades and the scraper
(Fig. 001).

A. The wear indicator hole is intact; you do not need to

replace the rotor blades.

B. The wear indicator hole is exposed; replace the rotor

blades and scraper.

Changing the Engine Oil

Service Interval

After the rst 2 hours yearly.

Run the engine a few minutes before changing the
oil to warm it. Warm oil ows better and carries more
contaminants.

1. Ensure that the fuel tank is not overlled and that the

fuel cap is securely in place.

2. Move the machine to a level surface.

3. Place an oil drain pan under the oil drain plug

(refer to page 217), remove the oil drain plug, and tip
the machine backward (handle down) halfway to the
ground to drain the used oil into the oil drain pan.

IMPORTANT

Do not tip the machine all the way back to the ground, or
fuel may leak out of the machine.

4. After draining the used oil, return the machine to the
operating position.

2

Specications & Maintenance

Fig. 001

5. Install the oil drain plug and tighten it securely.

6. Clean around the oil ll cap.

7. Unscrew the oil ll cap and remove it.

8. Slowly pour oil into the oil ll hole. Wait 3 minutes,
then check the oil level on the dipstick by wiping the
dipstick clean and then inserting, but not screwing in,
the oil ll cap into the hole.

NOTE

To determine the proper oil level on the dipstick, refer

to Fig. 002.

Toro Single Stage Snow Service Manual

2-7

SPECIFICATIONS & MAINTENANCE

A

A

B

service classication of SJ, SL, or higher.
Use Fig. 003 to select the best oil viscosity for the
outdoor temperature range expected.

C

Fig. 002

A. The oil level is at its maximum
B. The oil level is too high, remove oil from the

crank case

C. The oil level is too low, add oil to the crankcase

NOTE

You may tip the machine forward (handle up) a little to
make adding oil easier. Remember to return the machine
to the operating position before checking the oil level.

IMPORTANT

Do not tip the machine all the way forward onto its nose,
or fuel may leak out of the machine.

Max ll

12 oz. (0.35 l), type: automotive detergent oil with an API

Fig. 003

NOTE

Fill the engine crankcase with oil until the dipstick indicates
that the engine oil level is correct as shown in Fig. 002. If
you overll the engine with oil, remove the excess oil from
the drain plug into an oil drain pan.

9. Screw the oil ll cap into the oil ll hole, and hand
tighten it securely.

10. Wipe up any spilled oil.

11. Dispose of the used oil properly at a local

recycling center.

2-8

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

B

A

Servicing the Spark Plug

Service Interval

Yearly – Service the spark plug and replace it

if necessary.

Use a Toro spark plug (Part No. 1191961).

1. Stop the engine and wait for all moving parts to stop.

2. Disconnect the wire from the spark plug.

3. Clean around the spark plug.

4. Remove the spark plug from the cylinder head.

IMPORTANT

Replace a cracked, fouled, or dirty spark plug. Do not
clean the electrodes because grit entering the cylinder
can damage the engine.

2

Specications & Maintenance

5. Set the gap on the plug to 0.030” (0.76 mm)

(Fig. 004).

C

D

Fig. 004

A. Center Electrode Insulator
B. Side Electrode
C. Air Gap (not to scale)

6. Install the spark plug and torque it to 20–22 ftlb
(27–30 Nm).

7. Connect the wire to the spark plug.

Toro Single Stage Snow Service Manual

2-9

SPECIFICATIONS & MAINTENANCE

A

B

A

Replacing the Drive Belt

If drive belt becomes worn, oilsoaked, excessively
cracked, frayed, or otherwise damaged, replace
the belt.

1. Remove the 4 bolts that hold the drive belt cover

(Fig. 005) in place.

2. Remove the belt from the rotor pulley (Fig. 006).

C

D

E

F

G

Fig. 006

A. Rotor Pulley E. Idler Pulley
B. Idler Arm Brake F. Engine Pulley
C. Drive Belt G. Tabs on the Idler Arm
D. Idler Arm

3. Press down on the idler arm and remove the belt from
between the tab on the idler arm brake and the rotor
pulley.

Fig. 005

A. Drive Belt Cover

NOTE

The lower front corner of the drive belt cover is fastened
down with a smaller bolt, a washer, and a locknut.

NOTE

The engine pulley belt guide is very close to the pulley, and
the belt may not t through the gap.

4. Twist the belt out in front of the belt guide so that the

belt is wedged between the belt guide and the

engine pulley.

2-10

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

A

B

5. Insert a screwdriver into the hole in the belt guide as

shown in Fig. 007 and ex the belt guide toward the

rotor pulley enough to pull the belt through

the gap.

Fig. 007

A. Belt Guide
B. Engine Pulley

2

Specications & Maintenance

NOTE

Take care not to distort or damage the belt guide.

6. To install the new drive belt, reverse the

steps above.

IMPORTANT

Make sure to install the drive belt so that it sits above the

two tabs on the idler arm and below the idler arm brake
(Fig. 006).

7. Install the drive belt cover with the fasteners that you

removed in step 1.

Toro Single Stage Snow Service Manual

2-11

SPECIFICATIONS & MAINTENANCE

A

B

Storage

Storing the Machine

WARNING

! !

• Gasoline fumes are highly ammable, explosive,
and dangerous if inhaled. If you store the product
in an area with an open ame, the gasoline fumes

may ignite and cause an explosion.

• Do not store the machine in a house (living area),
basement, or any other area where ignition sources
may be present, such as hot water and space
heaters, clothes dryers, furnaces, and other

like appliances.

• Do not tip the machine either forward or backward
with fuel in the fuel tank; otherwise, fuel may leak

out of the machine.

• Do not store the machine with its handle tipped
down onto the ground, because oil will leak into the
engine cylinder and onto the ground, and the

machine will not start or run.

1. On the last refueling of the season, add fuel stabilizer

to fresh fuel as directed by the engine manufacturer.

2. Run the engine for 10 minutes to distribute the

conditioned fuel through the fuel system.

3. While the engine is still warm, change the engine oil.

4. Drain the fuel from the tank and carburetor by

performing the following steps:

A. Loosen the fuel tank cap.

B. Unscrew, but do not remove, the small screw on

the side of the carburetor fuel bowl (Fig. 008)

until the fuel begins to drain from the carburetor.

Drain the fuel into an approved fuel container.

Fig. 008

A. Carburetor bowl bolt  do not remove
B. Small screw on carburetor

C. Wait for a few minutes until the fuel has drained,

then install the fuel cap and tighten the small

screw on the carburetor.

NOTE

Use a handheld Phillips screwdriver to tighten the
carburetor screw. Overtightening the screw could strip it
and cause leaking.

5. Dispose of unused fuel properly. Recycle it according

to local codes, or use it in your automobile.

6. Remove the spark plug.

7. Squirt 2 teaspoons of oil into the spark plug hole.

8. Install the spark plug by hand and then torque it to

20–22 ftlb (27–30 Nm).

9. With the ignition key in the Off position, pull the recoil
starter slowly to distribute the oil on the inside of

the cylinder.

IMPORTANT

Do not remove the carburetor bowl bolt on the bottom of
the carburetor.

2-12

10. Disconnect the ignition key from the lanyard and store

the ignition key in a safe place.

11. Clean the machine.

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

12. Touch up chipped surfaces with paint. Sand affected

areas before painting, and use a rust preventative to
prevent the metal parts from rusting.

13. Tighten any loose fasteners. Repair or replace any

damaged parts.

14. Cover the machine and store it in a clean, dry place

out of the reach of children. Allow the engine to cool
before storing it in any enclosure.

2

Specications & Maintenance

Toro Single Stage Snow Service Manual

2-13

SPECIFICATIONS & MAINTENANCE

Power Clear® 621 (21 Inch Models)

Maintenance

Recommended Maintenance Schedule(s)

NOTE

Determine the left and right sides of the machine from the normal operating position.

Maintenance Service Interval Maintenance Procedure

After the rst hour

After the rst 2 hours Change the engine oil.

Before each use or daily Check the engine oil level and add oil if necessary.

Yearly

Check the control cable and adjust it if necessary.
Check for loose fasteners and tighten them if necessary.

Check the control cable and adjust it if necessary.

Inspect the rotor blades and replace the rotor blades and scraper

if necessary.
Change the engine oil.
Service the spark plug and replace it if necessary.
Check for loose fasteners and tighten them if necessary.
Inspect the drive belt and replace it if necessary.

Yearly or before storage Prepare the machine for storage.

2-14

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

B

A

B

A

Adjusting the Control Cable

Checking the Control Cable

Service Interval

After the rst hour – Check the control cable and adjust it
if necessary.

Yearly – Check the control cable and adjust it if necessary.

Move the control bar back toward the handle to remove
the slack in the control cable (Fig. 009).

Adjusting the Control Cable

1. Slide up the spring cover and unhook the spring from
the adjuster link (Fig. 010).

C

D

Fig. 010

A. Adjuster Link B. Spring Cover
C. ZFitting D. Unhook the Spring

2

Specications & Maintenance

A. Control bar (2mm to 3mm) gap
B. 1/16”  1/8”

NOTE

Ensure that a 1/16”  1/8” (2mm to 3mm) gap exists
between the control bar and the handle (Fig. 009).

IMPORTANT

The control cable must contain some slack when you

disengage the control bar for the rotor blades to

stop properly.

Fig. 009

NOTE

You can pull up the adjuster link and cable to make
unhooking the spring easier.

2. Move the Ztting to a higher or lower hole on the
adjuster link as needed to obtain the 1/16”  1/8”

(2 mm to 3 mm) gap between the control bar and
the handle (Fig. 010).

NOTE

Moving the Ztting higher decreases the gap between the
control bar and the handle; moving it lower increases
the gap.

3. Hook the spring to the adjuster link and slide the
spring cover over the adjuster link.

4. Check the adjustment; refer to Checking the

Control Cable.

Toro Single Stage Snow Service Manual

2-15

SPECIFICATIONS & MAINTENANCE

B

A

NOTE

After extended use, the drive belt may wear and lose its
proper belt tension. If the drive belt slips (continuously
squeals) under a heavy load,disconnect the spring from
the adjustor link and move the upper end of the spring to
the hole that is further from the pivot point in the control
bar (Fig. 011). Then connect the spring to the adjustor link
and adjust the control cable.

C

D

Fig. 011

A. Remove the upper end of spring from this hole
B. Insert the upper end of spring into this hole

C. Pivot point

D. Upper end of spring

NOTE

The belt may slip (squeal) in wet conditions; to dry out the
drive system, start the rotor and run it without a load for
30 seconds.

2-16

Toro Single Stage Snow Service Manual

SPECIFICATIONS & MAINTENANCE

A

B

Inspecting the Rotor Blades

Service Interval

Yearly – Inspect the rotor blades and replace the rotor
blades and scraper if necessary.

Before each session, inspect the rotor blades for wear.
When a rotor blade edge has worn down to the wear
indicator hole. Replace the rotor blades and the
scraper (Fig. 012).

Changing the Engine Oil

Service Interval

• After the rst 2 hours

• Yearly

Run the engine a few minutes before changing the
oil to warm it. Warm oil ows better and carries more
contaminants.

1. Siphon the fuel from the fuel tank into an approved fuel

container, or run the engine until it stops.

2. Move the machine to a level surface.

3. Place an oil drain pan under the oil drain plug, remove

the oil drain plug, and tip the machine backward and

drain the used oil in the oil drain

pan (Fig. 013).

2

Specications & Maintenance

Fig. 012

A. The wear indicator hole is intact; you do not need to

replace the rotor blades.

B. The wear indicator hole is exposed; replace the

rotor blades.

Fig. 013

4. After draining the used oil, return the machine to the

operating position.

5. Install the oil drain plug and tighten it securely.

6. Clean around the oil ll cap (Fig. 014).

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SPECIFICATIONS & MAINTENANCE

A

7. Unscrew the oil ll cap and remove it (Fig. 014).

Fig. 014

A. Oil ll cap

8. With the machine in the operating position, carefully
pour oil into the oil ll hole. Wait 3 minutes for the
oil to settle and add enough to bring it to the point of
overow (Fig. 016).

9. Screw the oil ll cap into the oil ll hole, and hand
tighten it securely.

Fig. 015

NOTE

You may tip the machine forward (handle up) to make
adding oil easier. Remember to return the machine to the
operating position before checking the oil level.

IMPORTANT

Do not tip the machine all the way forward onto its nose, or
fuel may leak out of the machine.

Max ll: 20 oz. (0.6 l), type: automotive detergent oil with
an API service classication of SJ, SL, or higher.
Use Fig. 015 to select the best oil viscosity for the outdoor
temperature range expected.

Fig. 016

10. Wipe up any spilled oil.

11. Dispose of the used oil properly at a local

recycling center.

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Toro Single Stage Snow Service Manual