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Control Regulation of emission systems, maintenance,
and warranty. Replacements may be ordered through
the engine manufacturer.

Gross or Net Torque:

The gross or net torque

of this engine was laboratory rated by the engine
manufacturer in accordance with the Society of
Automotive Engineers (SAE) J1940 or J2723. As
configured to meet safety, emission, and operating
requirements, the actual engine torque on this class
of mower will be significantly lower. Please refer to
the engine manufacturer’s information included with
the machine.

WARNING

CALIFORNIA

Proposition 65 Warning

The engine exhaust from this product

contains chemicals known to the State of

California to cause cancer, birth defects,

or other reproductive harm.

Battery posts, terminals, and related

accessories contain lead and lead

compounds, chemicals known to

the State of California to cause

cancer and reproductive harm. Wash

hands after handling.

Use of this product may cause exposure

to chemicals known to the State of

California to cause cancer, birth defects,

or other reproductive harm.

Contents

Introduction ............................................................... 1
Safety ....................................................................... 3

General Safety ................................................... 3
Safety and Instructional Decals .......................... 4

Setup ........................................................................ 5

1 Unfolding the Handle ....................................... 5
2 Installing the Recoil-Starter Rope in the

Rope Guide..................................................... 6

3 Adding Oil to the Engine................................... 7
4 Charging the Battery ........................................ 7
5 Assembling the Grass Bag............................... 8

Product Overview ..................................................... 9

Specifications .................................................... 9

Operation ................................................................ 10

Before Operation ................................................. 10

Before Operation Safety ................................... 10
Filling the Fuel Tank .......................................... 10
Checking the Engine-Oil Level...........................11
Adjusting the Cutting Height ............................. 12

During Operation ................................................. 12

During Operation Safety ................................... 12
Starting the Engine ........................................... 14
Using the Self-Propel Drive............................... 14
Shutting Off the Engine..................................... 15
Mulching the Clippings...................................... 15
Bagging the Clippings....................................... 15
Operating Tips ................................................. 15

After Operation .................................................... 16

After Operation Safety ...................................... 16
Cleaning under the Machine ............................. 16
Folding the Handle ........................................... 17

Maintenance ........................................................... 18

Recommended Maintenance Schedule(s) ........... 18

Maintenance Safety.......................................... 18
Preparing for Maintenance ............................... 18
Servicing the Air Filter....................................... 19
Changing the Engine Oil ................................... 19
Charging the Battery......................................... 20
Replacing the Fuse........................................... 20
Replacing the Blade.......................................... 22
Adjusting the Self-Propel Drive Cable ............... 23

Storage ................................................................... 23

Storage Safety.................................................. 23
Preparing the Machine for Storage ................... 23
Removing the Machine from Storage ................ 24

2

 

Summary of Contents for 17750

Page 1: ...Figure 1 1 Model and serial number location Model No Serial No This manual identifies potential hazards and has safety messages identified by the safety alert symbol Figure 2 which signals a hazard t...

Page 2: ...lifornia to cause cancer birth defects or other reproductive harm Contents Introduction 1 Safety 3 General Safety 3 Safety and Instructional Decals 4 Setup 5 1 Unfolding the Handle 5 2 Installing the...

Page 3: ...s in place and functioning properly on the machine Keep bystanders and children out of the operating area Do not allow children to operate the machine Allow only people who are responsible trained fam...

Page 4: ...n object hazard keep bystanders away 3 Cutting dismemberment hazard of hand or foot mower blade disconnect the spark plug wire and read the Operator s Manual before performing maintenance 4 Cutting di...

Page 5: ...e Important To prevent accidental starting do not insert the key into the electric start ignition if equipped until you are ready to start the engine 1 Unfolding the Handle No Parts Required Procedure...

Page 6: ...the handle knobs and tighten them firmly by hand until they are completely tight against the handle 2 Installing the Recoil Starter Rope in the Rope Guide No Parts Required Procedure Important To star...

Page 7: ...ure Important If the oil level in the engine is too low or too high and you run the engine you may damage the engine g222533 Figure 6 4 Charging the Battery No Parts Required Procedure Electric Start...

Page 8: ...Figure 7 g027543 Figure 7 1 Handle 3 Grass bag 2 Frame Note Do not slip the bag over the handle Figure 7 2 Hook the bottom channel of the bag onto the bottom of the frame Figure 8 g027544 Figure 8 3...

Page 9: ...electric start model only 9 Oil fill dipstick 4 Battery electric start model only 10 Rear deflector 5 Fuel tank cap 11 Recoil start handle 6 Air filter g193246 Figure 10 1 Grass bag 2 Battery charger...

Page 10: ...d before filling not in a vehicle or on an object Fill the fuel tank outdoors in an open area when the engine is cold Wipe up any fuel that spills Do not handle fuel when smoking or around an open fla...

Page 11: ...king the Engine Oil Level Service Interval Before each use or daily Important If the oil level in the crankcase is too low or too high and you run the engine you may damage the engine g222533 Figure 1...

Page 12: ...can burn you Keep away from the hot muffler Adjust the cutting height as desired Set all wheels to the same cutting height Figure 13 g231461 Figure 13 During Operation During Operation Safety General...

Page 13: ...material against a wall or obstruction material may ricochet toward you Stop the blade s when crossing gravel surfaces Watch for holes ruts bumps rocks or other hidden objects Uneven terrain could ca...

Page 14: ...pull the recoil start handle pull it lightly until you feel resistance then pull it sharply Figure 16 Allow the rope to return to the handle slowly Note If the machine does not start after several at...

Page 15: ...ll a new Lawn Boy replacement bag WARNING The blade is sharp contacting the blade can result in serious personal injury Shut off the engine and wait for all moving parts to stop before leaving the ope...

Page 16: ...If there are more than 13 cm 5 inches of leaves on the lawn mow at a higher cutting height and then again at the desired cutting height Slow down your mowing speed if the machine does not cut the lea...

Page 17: ...r unfolding the handle If a cable is damaged contact an Authorized Service Dealer 1 Remove the electric start key if equipped 2 Loosen the handle knobs until you can move the handle freely Figure 20 g...

Page 18: ...ance procedure Wear gloves and eye protection when servicing the machine The blade is sharp contacting the blade can result in serious personal injury Wear gloves when servicing the blade Do not repai...

Page 19: ...lowing procedure Note Run the engine a few minutes before changing the oil to warm it Warm oil flows better and carries more contaminants Engine Oil Specifications Engine oil capacity 0 44 L 15 fl oz...

Page 20: ...lly then monthly every 25 starts or as needed Always use the charger in a sheltered area and charge the battery at room temperature 22 C or 70 F whenever possible 1 Connect the charger to the wire har...

Page 21: ...g338674 Figure 26 1 Battery cover 3 Foam 2 Fuse holder 4 Battery 2 Replace the fuse in the fuse holder Figure 27 g002878 Figure 27 3 Install the battery cover 21...

Page 22: ...d or replace it WARNING The blade is sharp contacting the blade can result in serious personal injury Wear gloves when servicing the blade 1 Refer to Preparing for Maintenance page 18 2 Tip the machin...

Page 23: ...ine for Storage 1 On the last refueling of the year add fuel stabilizer to the fuel as directed by the engine manufacturer 2 Dispose of any unused fuel properly Recycle it according to local codes or...

Page 24: ...ly by pulling the recoil start handle to blow the excess oil from the cylinder 4 Install the spark plug and tighten it with a torque wrench to 20 N m 15 ft lb 5 Perform any maintenance procedures refe...

Page 25: ...Notes...

Page 26: ...Notes...

Page 27: ...ts grocery stores hotels schools and hospitals and on a wide variety of products Additionally some online and mail order retailers provide Prop 65 warnings on their websites or in catalogs How do the...

Page 28: ......

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