Toro ProLine 22166 Operator'S Manual Download Page 22

Page: 22 / 24

Removing the Lawn Mower
from Storage

1. Check and tighten all fasteners.

2. Remove the spark plug and spin the engine rapidly

using the starter to blow the excess oil from the
cylinder.

3. Clean the spark plug or replace it if it is cracked,

broken, or if the electrodes are worn.

4. Install the spark plug. Refer to Servicing the Spark

Plug on page 19.

5. Perform any needed maintenance procedures; refer to

Maintenance on page 14.

6. Fill the fuel in the fuel tank with fresh gasoline.

7. Check the engine oil level.

8. Connect the wire to the spark plug.

Accessories

You may purchase the following accessories from an
Authorized Service Dealer:

•

Side Discharge Kit

•

Atomic Blade

Troubleshooting

Toro designed and built your lawn mower for trouble-free operation. Check the following components and items carefully,
and refer to Maintenance on page 14 for more information. If a problem continues, contact an Authorized Service Dealer.

Problem

Possible Causes

Corrective Action

Engine does not start

1. The fuel tank is empty or the

fuel system contains stale fuel.

2. The throttle lever is not in the

Choke position.

3. The wire is not connected to

the spark plug.

4. The spark plug is pitted, fouled,

or the gap is incorrect.

1. Drain and/or fill the fuel tank

with fresh gasoline. If the
problem persists, contact an
Authorized Service Dealer.

2. Move the throttle lever to the

Choke position.

3. Connect the wire to the spark

plug.

4. Check the spark plug and

adjust the gap if necessary.
Replace the spark plug if it is
pitted, fouled, or cracked.

Engine starts hard or loses power

1. The fuel tank contains stale

fuel.

2. The fuel cap vent hole is

plugged.

3. The air cleaner elements are

dirty and are restricting the air
flow.

4. The underside of the lawn

mower housing contains
clippings and debris.

5. The spark plug is pitted, fouled,

or the gap is incorrect.

6. The engine oil level is low or

the oil is dirty.

1. Drain and fill the fuel tank with

fresh gasoline.

2. Clean the fuel cap vent hole or

replace the fuel cap.

3. Service the air cleaner

elements.

4. Clean under the lawn mower

housing.

5. Check the spark plug and

adjust the gap if necessary.
Replace the spark plug if it is
pitted, fouled, or cracked.

6. Check the engine oil. Change

the oil if it is dirty or add oil if it
is low.

Summary of Contents for ProLine 22166

Page 1: ...Operator s Manual Domestic English EN Form No 3327 615 ProLine 21 inch Recycler Walk Power Lawn Mower Model No 22166 230000001 and Up Model No 22167 230000001 and Up ...

Page 2: ...th Oil 8 Filling the Fuel Tank with Gasoline 8 Reviewing the Maintenance Schedule 9 Operation 10 Controls 10 Starting the Engine 10 Stopping the Engine 10 Using the Self propel Drive 10 Using the Discharge Tunnel Plug 11 Adjusting the Cutting Height 11 Page Using the Grass Bag 11 Operating Tips 12 Maintenance 14 Recommended Maintenance Schedule 14 Checking the Engine Oil Level 15 Cleaning under th...

Page 3: ...nal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death Improperly using or maintaining this lawn mower could result in injury or death To reduce this potential comply with the following safety instructions Safe Operating Practices The following instructions are from the ANSI OPEI B71 4 1999 standard Training Read the Operator s Manual and other traini...

Page 4: ...nd Storage Stop engine and disconnect spark plug wire Wait for all movement to stop before adjusting cleaning or repairing Clean grass and debris from cutting unit drive muffler and engine to help prevent fires Clean up oil or fuel spillage Let engine cool before storing and do not store near flame Shut off fuel while storing or transporting Do not store fuel near flames or drain indoors Never all...

Page 5: ... and are located near any area of potential danger Replace any decal that is damaged or lost 39 5770 52 2620 Self propel model only 68 7410 74 1970 Self propel model only 1 Transmission speeds 2 Neutral 82 7610 82 2380 Self propel model only 92 1779 93 7398 98 4387 1 Warning wearhearing protection ...

Page 6: ... from the normal operating position Loose Parts DESCRIPTION QTY USE Handle Bolts 5 16 18 x 1 1 4 in Bolts 5 16 18 x 1 1 2 in Carriage bolt Washers Locknuts Thin nylon insert locknuts Bag support rod Bag aligning plate Cap locknuts Cable tie 1 2 2 1 4 2 2 1 1 3 1 Installing the handle ...

Page 7: ...through the bag aligning plate and into the second from the top mounting holes in the handle and secure each end with a cap locknut Fig 2 4 Insert the carriage bolt through the bag aligning plate and the top hole on the left side of the handle and secure it with a cap locknut Fig 2 5 Use a cable tie to secure the control cables to the left handle below the bag support rod Installing the Starter Ro...

Page 8: ...to the filler neck but do not rotate the cap clockwise to secure it then remove it 6 Read the oil level on the dipstick Fig 6 7 If the oil level reading is below the lower limit mark on the dipstick remove the dipstick and slowly pour only enough oil into the filler hole to raise the oil level to the upper limit mark on the dipstick Fig 6 Important Do not overfill the crankcase with oil and run th...

Page 9: ...ith its wheels on the ground If this is not possible then refuel such equipment on a truck or trailer from a portable container not from a gasoline dispenser nozzle If you must use a gasoline dispenser nozzle keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete Use a fuel stabilizer conditioner regularly during operation and storage A...

Page 10: ...Choke position Fig 8 Note Do not use the choke when the engine is warm 4 Hold the control bar to the handle Fig 8 5 Pull the starter handle Fig 8 lightly until you feel resistance then pull it sharply Allow the rope to return to the handle slowly 6 When the engine starts move the throttle control to the Fast position and set the ground speed control as desired Note If the engine fails to start aft...

Page 11: ...ng clip on the bottom of the plug When the plug is unlocked pull it out of the discharge tunnel Note When grass is thick and lush clippings may collect on and around the discharge tunnel plug This may make removing the plug difficult Clean the plug thoroughly after each use Adjusting the Cutting Height Each wheel is adjusted individually with a wheel height adjustment lever Cutting heights are 3 4...

Page 12: ...close the door because the grass clippings clog the discharge area stop the engine and gently move the discharge door handle back and forth until you can close the door completely If you still cannot close the door remove the obstruction with a stick not your hand Danger The lawn mower can throw grass clippings and other objects through an open discharge tunnel Objects thrown with enough force cou...

Page 13: ...tting height settings Cut only about a third of the grass blade at a time Do not cut below the 2 1 4 inch 5 7 cm setting unless the grass is sparse or it is late fall when grass growth begins to slow down When cutting grass over six inches 15 cm tall first mow at the highest cutting height setting and walk slower then mow again at a lower setting for the best lawn appearance If the grass is too lo...

Page 14: ...ndy conditions Refer to Maintaining the Blade on page 17 Remove grass clippings and debris from under the belt cover Refer to Cleaning under the Belt Cover on page 18 Have an authorized engine servicing dealer check the flywheel brake operation 75 Hours Adjust the self propel drive system self propel model only Refer to Adjusting the Self propel Drive on page 18 100 Hours Inspect clean and adjust ...

Page 15: ... Fig 16 1093 1 Figure 16 1 Rear right tire Note The water will splash into the blade and clean out the clippings Let the water run until you no longer see clippings being washed out from under the housing 4 Stop the engine and wait for all moving parts to stop 5 Turn off the water 6 Start the lawn mower again and let it run for a few minutes to dry out the lawn mower and its components Scraping Me...

Page 16: ...top 2 Disconnect the wire from the spark plug Fig 7 3 Remove the 2 wing bolts that secure the cover Fig 17 1 2 5 3 4 m 6674 Figure 17 1 Wing bolts 2 Cover 3 Foam element 4 Paper element 5 Base 4 Remove the cover Note Be careful to prevent dirt and debris from falling into the base 5 Remove the foam and paper elements from the base Fig 17 6 Remove the foam element from the paper element Fig 17 7 In...

Page 17: ...lade 3 Wear 4 Slot formed Note For the best performance install a new blade before the cutting season begins During the year file down any small nicks to maintain the cutting edge Danger A worn or damaged blade can break and a piece of the blade could be thrown into the operator s or bystander s area resulting in serious personal injury or death Inspect the blade periodically for wear or damage Re...

Page 18: ...the lawn mower housing Fig 22 m 224 1 Figure 22 1 Belt cover 4 Lift off the cover and brush out all the debris around the belt area 5 Install the belt cover 6 Connect the wire to the spark plug Lubricating the Pivot Arms Self propel Model only After every 25 operating hours or when the season ends lubricate the pivot arms 1 Move the rear wheel cutting height levers to the center setting 2 Wipe the...

Page 19: ...stick Refer to the Filling the Crankcase with Oil on page 8 10 Insert the dipstick into the filler neck and rotate the cap clockwise until it is tight 11 Wipe up any spilled oil 12 Connect the wire to the spark plug 13 Recycle the used oil according to local codes Servicing the Spark Plug Check the spark plug after every 100 operating hours or yearly replace it after every 250 operating hours or e...

Page 20: ... 1 Handle 2 Brake lever 3 3 16 to 1 4 in 5 to 6 mm 4 Cable adjuster 5 Jam nut 6 cable conduit B Insert a 3 16 to 1 4 in 5 to 6 mm object between the brake lever and the handle C Turn the cable adjuster on the brake cable until you remove the slack D Tighten the jam nut Self propel Model A Loosen the nut on the cable bracket Fig 29 1 2 4 3 Figure 29 1 Handle 2 Brake lever 3 3 16 to 1 4 in 5 to 6 mm...

Page 21: ... last time before storing the lawn mower 1 Run the lawn mower until the engine stops from running out of fuel 2 Prime the engine and start it again 3 Allow the engine to run until it stops When you can no longer start the engine it is sufficiently dry Gasoline can vaporize if you store it over long periods of time and explode if it comes into contact with an open flame Do not store gasoline over l...

Page 22: ...system contains stale fuel 2 The throttle lever is not in the Choke position 3 The wire is not connected to the spark plug 4 The spark plug is pitted fouled or the gap is incorrect 1 Drain and or fill the fuel tank with fresh gasoline If the problem persists contact an Authorized Service Dealer 2 Move the throttle lever to the Choke position 3 Connect the wire to the spark plug 4 Check the spark p...

Page 23: ...wn mower housing 4 Tighten the engine mounting bolts Uneven cutting pattern 1 All four wheels are not at the same height 2 The blade is dull 3 You are mowing in the same pattern repeatedly 4 The underside of the lawn mower housing contains clippings and debris 1 Place all four wheels at the same height 2 Sharpen and balance the blade 3 Change the mowing pattern 4 Clean under the lawn mower housing...

Page 24: ...gton MN 55420 1196 952 888 8801 or 800 421 9684 Owner Responsibilities You must maintain your Toro Product by following the maintenance procedures described in the operator s manual Such routine maintenance whether performed by a dealer or by you is at your expense Items and Conditions Not Covered There is no other express warranty except for special emission system coverage on some products and t...

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