Operator’s Manual
21” Steel Deck Walk Mowers
Series 20
Reproduction |
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Not |
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Model No.
7800841-01
7800842-01
7800845-01
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7105342 Rev. D
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Thank You for purchasing this quality-built Snapper mower. We’re pleased that you placed your confidence in the Snapper brand. When operated and maintained according to the instructions in this manual, your Snapper mower will provide many years of dependable service.
This manual contains safety information to make you aware of the hazards and risks associated with the machine and how to avoid them. This machine is designed and intended only for finish cutting of established lawns and is not intended for any other purpose. It is important that you read and understand these instructions thoroughly before attempting to start or operate this equipment. Save these original instructions for future reference.
Date of Purchase___________________________________________________________________________
Retailer___________________________________________________________________________________
Retailer’s Phone Number_____________________________________________________________________ |
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Reproduction |
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Model Number_______________________________________________________________________ |
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Serial Number_______________________________________________________________________ |
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Engine |
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Model________________________Type |
Code______________________ |
Copyright © 2012 Briggs & Stratton Power Products Group, LLC.
Milwaukee, WI, USA. All rights reserved.
SNAPPER is a trademark of
Briggs & Stratton Power Products Group, LLC.
Table of Contents
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Operator Safety................................................................................................. |
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4 |
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Features and Controls................................................................................... |
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10 |
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Operation......................................................................................................... |
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11 |
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Before Starting............................................................................................ |
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11 |
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Oil Recommendations................................................................................ |
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11 |
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Fuel Recommendations.............................................................................. |
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12 |
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Starting the Mower...................................................................................... |
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12 |
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Propelling the Mower.................................................................................. |
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12 |
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Stopping the Mower.................................................................................... |
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13 |
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Handle Height Adjustment.......................................................................... |
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13 |
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Cutting Height Adjustment.......................................................................... |
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13 |
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Mulching Operation..................................................................................... |
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14 |
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Installing the Discharge Deflector............................................................... |
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14 |
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Installing the Grass Bag.............................................................................. |
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15 |
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Maintenance.................................................................................................... |
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17 |
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Maintenance Chart..................................................................................... |
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17 |
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Service |
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Change Engine Oil...................................................................................... |
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18 |
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Service Air Filter.......................................................................................... |
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18 |
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Check Safety Interlock System................................................................... |
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19 |
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Clean Debris Off Mower............................................................................. |
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19 |
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Storage Procedure...................................................................................... |
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19 |
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Slope Guide..................................................................................................... |
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31 |
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Troubleshooting.............................................................................................. |
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28 |
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Warranties....................................................................................................... |
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29 |
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WARNING |
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WARNING |
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It is a violation of California Public Resource Code, |
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Battery posts, terminals and related accessories |
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Section 4442, to use or operate the engine on any |
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contain lead and lead compounds, chemicals known |
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forest-covered, brush-covered, or grass-covered land |
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to the State of California to cause cancer and birth |
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unless the exhaust system is equipped with a spark |
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defects or other reproductive harm. Wash hands |
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arrester, as defined in Section 4442, maintained in |
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after handling. |
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effective working order. Other states or federal juris- |
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dictions may have similar laws. Contact the original |
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a spark arrester designed for the exhaust system |
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WARNING |
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equipment manufacturer, retailer, or dealer to obtain |
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Engine exhaust, some of its constituents, and certain |
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installed on this engine. |
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vehicle components contain or emit chemicals known |
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to the State of California to cause cancer or other |
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reproductive harm. |
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3 |
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Operator Safety
Operating Safety
Power equipment is only as safe as the operator. If it is misused, or not properly maintained, it can be dangerous! Remember, you are responsible for your safety and that of those around you.
Use common sense, and think through what you are doing. If you are not sure that the task you are about to perform can be safely done with the equipment you have chosen, ask a professional: contact your local authorized dealer.
Read the Manual
The operator’s manual contains important safety information you need to be aware of BEFORE you operate your unit as well as DURING operation.
too steep an incline. Using the unit on aReproduslope that is too steep or ction |
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Safe operating techniques, an explanation of the product’s featu es and |
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controls, and maintenance information is included to help you get the |
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most out of your equipment investment. |
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Be sure to completely read the Safety Rules and Informati n und n the |
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following pages. Also completely read the Operation sec forion. |
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Children |
Tragic acci |
ents can occur with children. Do not allow them any- |
where near the area of operation. Children are often attracted to the |
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unit and m |
wing activity. Never assume that children will remain |
whe e you last saw them. If there is a risk that children may enter the area where you are mowing, have another responsible adult watch them.
Slope Operation
You could be seriously injured or even killed if you use this unit
where you don’t have adequate footing or traction can cause you to lose control or slip and fall.
You should not operate on inclines with a slope greater than 10 degrees, which is a 3.5 ft (1,5 m) rise over 20.0 ft (6,0 m). Always mow across slopes, never up and down.
Also note that the surface you are mowing can greatly impact control. Wet grass or leaves can seriously affect your footing and traction on a slope.
If you feel unsure about operating the unit on an incline, don’t do it. It’s not worth the risk.
3.5 ft (1,5 m)
20.0 ft
(6,0 m)
4 |
www.snapper.com |
Operator Safety
Moving Parts
This equipment has moving parts that can injure you or someone else. However, if you stand behind the handle properly and follow all the rules in this book, the unit is safe to operate.
The mower deck has a spinning mower blade that can amputate hands and feet. Do not allow anyone near the equipment while it is running!
To help you, the operator, use this equipment safely, it is equipped with an operator present safety system. Do NOT attempt to alter or bypass the system. See your dealer immediately if the system does not pass all the safety interlock system tests found in this manual.
Thrown Objects
ReproducThis unit has a spinningtiomowernblade. This blade can pick up and throwfordeb is that could seriously i jure a bystander. Be sure to clean up the a ea to be mowed BEFORE y u start mowing.
Do n t perate this unit w h ut he entire grass catcher or discharge
guard (de lect r) in place.
NotAlso, do not allow anyone in the area while the unit is running! If
s meone does enter the area, shut the unit off immediately until they leave.
Debris Accumulation
Accumulation of grass and debris can result in a fire. Be sure to clean any accumulation of grass and debris with a brush or com ssed air, before and after operation.
Fuel and Maintenance
Gasoline is extremely flammable. Its vapors are also extremely flammable and can travel to distant ignition sources. Gasoline must only be used as a fuel, not as a solvent or cleaner. It should never be stored any place where its vapors can build up or travel to an ignition source like a pilot light. Fuel belongs in an approved, plastic, sealed gas can, or in the tractor fuel tank with the cap securely closed. Spilled fuel needs to be cleaned up immediately.
Proper maintenance is critical to the safety and performance of your unit. Be sure to perform the maintenance procedures listed in this manual, especially periodically testing the safety system.
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Operator Safety
This powerful cutting machine is capable of amputating hands and feet and can throw objects
!that can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious injury or death to the operator or other persons. The owner of the machine must understand these instructions and must allow only persons who understand these instructions to operate machine. Each person operating the machine must be of sound mind and body and must not be under the influence of any substance, which might impair vision, dexterity or judgment.WARNING:
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PREPARATION |
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WARNING |
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1. Read, understand, and follow instructions and warnings |
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POISONOUS GAS HAZARD. Engine exhaust contains carbon |
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in this manual and on the mower, engine and attach- |
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monoxide, a poisonous gas that could kill you in minutes. You |
ments. Know the controls and the proper use of the |
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CANNOT see it, smell it, or taste it. Even if you do not smell |
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mower before starting. |
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exhaust fumes, you could still be exposed to carbon monox- |
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2. Only mature, responsible persons shall operate the |
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ide gas. If you start to feel sick, dizzy, or weak while using this |
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product, shut it off and get to fresh air RIGHT AWAY. See a |
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machine and only after proper instruction. |
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doctor. You may have carbon monoxide poisoning. |
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3. Data indicates that operators age 60 and above, are |
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• Operate this product ONLY outside far away from windows, doors and |
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involved in a large percentage of mower-related injuries. |
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vents to reduce the risk of carbon monoxide gas from accumulating and |
These operators should evaluate their ability to operate |
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potentially being drawn towards occupied spaces. |
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• Install battery-operated carbon monoxide alarms or plug-in carbon |
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the mower safely enough to protect themselves and oth- |
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monoxide alarms with battery back-up according to the manufacturer’s |
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ers from serious injury. |
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instructions. Smoke alarms cannot detect carbon monoxide gas. |
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4. Handle fuel with extra care. Fuels are flammable and |
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• DO NOT run this product inside homes, garages, basements, crawlspac- |
vapors are explosive. Use only an approved fuel con- |
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es, sheds, or other partially-enclosed spaces even if using fans or open- |
tainer. DO NOT remove fuel cap or add fuel with engine |
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ing doors and windows for ventilation. Carbon monoxide can quickly |
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build up in these spaces and can linger for hours, even after this product |
unning. Add fuel outdoors o ly with engine stopped and |
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has shut off. |
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c ol. Clean sp lled fuel a d oil from machine. DO NOT |
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• ALWAYS place this product downwind and point the engine exhaust |
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smoke. |
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away from occupied spaces. |
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5. Check he area be m wed and remove all objects |
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su h as oys, w re, rocks, limbs and other objects that |
PROTECTION FOR CHILDREN |
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alert |
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forcould ause injury if thrown by blade or interfere with |
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Tragic accidents can occur if the operator is n |
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mowing. Also note the location of holes, stumps, and |
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the presence of children. Children are often attracted to |
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other possible hazards. |
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the machine and the mowing activity. |
ever assume that |
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6. Keep people and pets out of the mowing area. |
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children will remain where you last saw them. |
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Immediately, STOP Blade, Stop engine and Stop mower |
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1. |
KEEP children out of the mowing area and under the |
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if anyone enters the area. |
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watchful care of a responsible adult other than the oper- |
7. Check shields, deflectors, switches, blade controls and |
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ator. |
Not |
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other safety devices frequently for proper operation and |
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2. |
DO NOT allow children in yard when machine is |
er- |
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location. |
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3. |
ated and turn machine OFF if anyone ent |
rs the ar |
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8. Make sure all safety decals are clearly legible. Replace if |
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DO NOT allow pre-teenage children to op rate machine. |
damaged. |
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4. |
ALLOW only responsible adults & teenag |
rs with mature |
9. Protect yourself when mowing and wear safety glasses, |
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judgment under close adult supervision to op rate |
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long pants and substantial footwear. DO NOT mow |
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5. |
machine. |
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barefooted or with sandals. |
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DO NOT pull mower backwards unless absolutely |
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10. Know how to STOP blade and engine quickly in |
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necessary. LOOK and SEE behind and down for chil- |
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preparation for emergencies. |
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Reproduction11. Use extra care when loading or unloading the machine |
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dren, pets and hazards before and while backing. |
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into a trailer or truck. |
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6. USE EXTRA CARE when approaching blind corners, |
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shrubs, trees, or other objects that may obscure vision. |
12. Check grass catcher components frequently for signs of |
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wear or deterioration and replace as needed to prevent |
SLOPE OPERATION |
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injury from thrown objects going through weak or torn |
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spots. |
www.snapper.com
SAFE HANDLING OF GASOLINE |
Disconnect and secure spark plug wire away from plug |
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To avoid personal injury or property damage, use extreme |
to prevent accidental starting. |
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care in handling gasoline. Gasoline is extremely flammable |
12. STOP engine and wait until the blade comes to com- |
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and the vapors are explosive. |
plete STOP before removing grass bag and/or clearing |
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1. |
Extinguish all cigarettes, cigars, pipes and other sources |
grass. |
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2. |
of ignition. |
13. DO NOT operate mower without the entire grass catch- |
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Use only an approved fuel container. |
er, rear guard, or other safety devices in place and work- |
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3. |
DO NOT remove fuel cap or add fuel with the engine |
ing. DO NOT point discharge at people, passing cars, |
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4. |
running. Allow the engine to cool before refueling. |
windows or doors. |
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DO NOT refuel the machine indoors. |
14. DO NOT discharge material against a wall or obstruc- |
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5. |
DO NOT store the machine or fuel container inside |
tion. Material may ricochet back towards the operator. |
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where there is an open flame, spark or pilot light such as |
15. Slow down before turning. |
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6. |
on a water heater or other appliances. |
16. Watch out for traffic when near or crossing roadways. |
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DO NOT fill fuel containers inside a vehicle or on a |
17. DO NOT operate engine in enclosed areas. Engine |
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truck or trailer bed with a plastic liner. Always place the |
exhaust gases contain carbon monoxide, a deadly poi- |
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containers on the ground away from the vehicle before |
son. |
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filling. |
18. Only use accessories approved by the manufacturer. |
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7. |
Remove gas-powered equipment from the vehicle or |
See manufacturer’s instructions for proper operation and |
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trailer and refuel it on the ground. If this is not possible, |
installation of accessories. |
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then refuel equipment using a portable container, rather |
MAINTENANCE AND STORAGE |
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8. |
than a gasoline dispenser nozzle. |
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DO NOT start gas powered equipment in enclosed |
1. DO NOT store mower or fuel container inside where |
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9. |
vehicles or trailers. |
fumes may reach an pen flame, spark or pilot light such |
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Keep the nozzle in contact with the rim of the fuel tank |
as in a water heater, furnace, clothes dryer or other gas |
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container opening at all times until fueling is complete. |
appliance. All w engine to cool before storing machine |
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DO NOT use a nozzle lock-open device |
in an enclosure. Store fuel container out of reach of chil- |
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10. If fuel is spilled on clothing, change clothing immedi- |
dren in a well ventilated, unoccupied building. |
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ately. |
2. Keep mower and engine free of grass, leaves or excess |
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11. DO NOT overfill a fuel tank. Replace fuel cap and tight-forgrease to reduce fire hazard and engine overheating. |
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en securely. |
3. When draining fuel tank, drain fuel into an approved |
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OPERATION |
container outdoors and away from open flame. |
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4. Keep all bolts, especially blade bolts, nuts and screws |
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1. |
DO NOT put hands or feet near or under rotating pa ts. |
properly tight. Check that all cotter pins are in proper |
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2. |
Keep clear of discharge area while engineNotis running. |
position. |
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STOP engine when crossing gravel drives, walks, or |
5. Always provide adequate ventilation when running |
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roads, and under any conditions where thrown objects |
engine. Engine exhaust gases contain carbon monoxide, |
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3. |
might be a hazard. |
a deadly poison. |
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Mow only in daylight or good artificial light. |
6. Service engine and make adjustments only when engine |
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4. |
DO NOT operate mower while under the influ nce of |
is stopped. Removed spark plug wire from spark plug |
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5. |
alcohol or drugs. |
and secure wire away from spark plug to prevent acci- |
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After striking a foreign object or if mower vibrates |
dental starting. |
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abnormally, STOP the engine, disconnect and secure |
7. DO NOT change engine governor speed settings or |
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overspeed engine. |
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spark plug wire. Inspect the mower forReproductionany damage and |
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6. |
repair the damage before starting. |
8. Check grass bag assembly frequently for wear or dete- |
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DO NOT mow near drop offs, ditches or embankments. |
rioration to avoid thrown objects and exposure to mov- |
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7. |
Operator could lose footing or balance. |
ing parts. Replace with new bag if loose seams or tears |
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STAY ALERT for holes and other hidden hazards. Tall |
are evident. Replace slider or bag adapter if broken or |
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grass can hide obstacles. Keep away from ditches, |
cracked. |
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8. |
washouts, culverts, fences and protruding objects. |
9. Mower blades are sharp and can cut. Wrap the blades |
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DO NOT mow on wet grass. Always be sure of your |
or wear heavy leather gloves and use CAUTION when |
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footing. Keep a firm hold on the handle and walk, never |
handling them. |
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9. |
run. Slipping could cause injury. |
10. DO NOT test for spark by grounding spark plug next |
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ALWAYS stay behind handle when engine (motor) is |
to spark plug hole; spark plug could ignite gas exiting |
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running. |
engine. |
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10. DO NOT leave the machine with the engine running. |
11. Have machine serviced by an authorized dealer at least |
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STOP BLADE and STOP ENGINE before leaving the |
once a year and have the dealer install any new safety |
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operators position for any reason. |
devices. |
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11. Before cleaning, repairing or inspecting make certain |
12. Use only factory authorized replacement parts or like |
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engine, blade and all moving parts have STOPPED. |
parts when making repairs. |
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7 |
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Operator Safety
Safety and Operation Decals |
The decals noted below are located on the mower. |
Reading this manual and the safety instructions it con- |
The safety warnings and operation instructions they |
tains will provide the basic knowledge necessary to |
contain should be carefully read, understood, and fol- |
operate this mower safely and effectively. However, |
lowed. Not following these important warnings and |
several safety and operation decals have also been |
instructions can result in serious bodily injury or |
placed on the mower as a reminder of this important |
death. |
information during operation. |
If any of these decals are lost or damaged, replace |
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them immediately. Contact your dealer for replacement |
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decals. |
Drive Control
Part No. 7028407
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OPC (Blade Control) |
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Part No. 7029782 |
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Reproduction |
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7075532 |
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Engine Speed Control |
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Part No. 7075532 |
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7075471 |
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Ground Speed Control |
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WARNING |
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Part No. 7075471 |
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Fire Hazard. Operation of this equipment |
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may create sparks that can start fires around |
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dry vegetation. A spark arrestor may be |
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required. The operator should contact local |
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fire agencies for laws or regulations relating |
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to fire prevention requirements. 7102746 |
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Warning - Spark Arrestor |
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Part No. 7102746 (English) |
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AVOID SERIOUS INJURY OR DEATH |
7106039 (French) |
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WARNING |
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Go across slopes, not up or down. |
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Read operator’s manual. |
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Keep safety devices (guards, shields, switches, |
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etc.) in place and working. |
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Remove objects that could be thrown by blade. |
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Do not mow when children or others are around. |
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Look down and behind before and while moving |
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backwards. |
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Wait at least 2 minutes before refueling. |
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DANGER |
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AMPUTATION AND THROWN |
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OBJECT HAZARD |
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Keep hands and feet away from deck. |
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Do not operate mower unless discharge chute |
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or entire grass catcher is in its proper place. |
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7100984 |
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Safety Warnings |
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Part No. 7100984 (English) |
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Warning - Guard/ |
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7101497 (French) |
Grass Catcher |
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Part No. 7102324 |
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7105261
Keep Hands and Feet Away
Part No. 7105261
8 |
www.snapper.com |
Operator Safety
Explanation of Safety Decals
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WARNING |
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AVOID SERIOUS INJURY OR DEATH |
A |
Read operator’s manual. |
Keep safety devices (guards, shields, switches, |
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etc.) in place and working. |
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Go across slopes, not up or down. |
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Remove objects that could be thrown by blade. |
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Do not mow when children or others are around. |
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Look down and behind before and while moving |
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backwards. |
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Wait at least 2 minutes before refueling. |
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DANGER |
B |
AMPUTATION AND THROWN |
OBJECT HAZARD |
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Keep hands and feet away from deck. |
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Do not operate mower unless discharge chute |
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or entire grass catcher is in its proper place. |
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7100984 |
D
C
7105261
E
WARNING
Fire Hazard. Operation of this equipment may create sparks that can start fires around dry vegetation. A spark arrestor may be required. The operator should contact local fire agencies for laws or regulations relating
to fire prevention requirements. |
7102746 |
A. WARNING: Avoid Serious Injury or Death
Read the operator’s manual before attempting to operate the mower.
Mow across slopes, not up or down.
B. DANGER: Amputation and Thrown Object Hazard.
To avoid serious injury or death, keep hands
and feet away from the mower deck at all times during operation.
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To avoid injury from thrown objects, do not |
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To avoid injury to others, do not mow when |
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operate the mower unless all mulching, dis- |
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charge, or bagging components are in their |
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others, especially children, are around. |
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Reproduction |
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To reduce the potential for fire, wait at least 2 |
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minutes before refueling. |
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C. DANGER: Keep Ha ds a d Feet Away. |
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D. WARNING: Guard or Entire Grass Catcher Must Be |
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Installed Before Operating Mower. |
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E. WARNING: Spark Arrestor may be required. |
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Explanation of Operation Decals |
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A |
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7075532 |
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7075471 |
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A. OPC (Blade Control)
•Squeeze blade control to start and run engine and blade.
•Release blade control to stop engine and blade.
B. Engine Speed Control
•Move engine speed control in direction indicated to increase or decrease engine speed.
C. Drive Control
•Squeeze drive control against handle to engage wheel drive.
D. Ground Speed Control
•Move ground speed control toward Fast (Rabbit) to increase ground speed.
•Move ground speed control toward Slow (Turtle) to decrease ground speed.
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9 |
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en |
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Features and Controls
F G
IMPORTANT
The figures and illustrations in this manual are provided for reference only and may differ from your specific model. Contact your dealer if you have questions.
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H |
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E |
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D |
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C |
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B |
Not |
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A |
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Reproduction |
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J |
A. |
Mulching Cover |
F. |
Drive Control |
B. |
Rear Height Adjustment Latch (2) |
G. |
Blade Control |
C. |
Fuel Filler Cap |
H. |
Ground Speed Control |
D. |
Rope Start Handle |
I. |
Oil Fill Cap and Dipstick |
E. |
Engine Speed Control |
J. |
Front Height Adjustment Latch (2) |
10 |
www.snapper.com |
Before Starting |
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Operation |
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6. |
Add fuel to the tank: |
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1. Check the guards, deflectors, grass bag, and cov- |
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• Make sure the mower is outside, where fumes |
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ers to make sure all are in place and securely tight- |
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can safely dissipate. |
2. |
ened. |
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• Remove the fuel fill cap (C, Figure 2). |
Check the blade control (A, Figure 1), drive con- |
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• Fill the tank with fuel. Refer to the section entitled |
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trol (B), and ground speed control (C) to insure |
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‘Fuel Recommendations’. To allow for expansion |
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they work freely. |
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of the fuel, do not fill above the bottom of the filler |
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neck (D). |
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A |
7. |
• Reinstall the fuel fill cap. |
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Clean the exterior surfaces of the cutting deck and |
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engine of any accumulation of spilled fuel, dirt, |
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grass, oil, etc. Keep the engine air intake screen |
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and cooling fins clear at all times. |
B |
C |
Oil Recommendations |
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We recommend the use of Briggs & Stratton Warranty |
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Certified oils for best performance. Other high-quality |
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detergent oils are acceptable if classified for service |
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Figure 1: Mower controls |
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SF, SG, SH, SJ or higher. Do not use special additives. |
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Reproduction |
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Outdoor temperatures determine the proper oil viscos- |
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3. Check to make sure the drive control (if equipped) |
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the engine. Use the chart to select the best vis- |
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is disengaged. Refer to the section entitled |
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sity for the utd r temperature range expected. |
‘Stopping the Mower’. |
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for |
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4. Check the cutting height. Adjust to the desired |
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Not |
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height. Refer to the section entitled ‘Cutting Height |
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Adjustment’. |
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5. Check the engine oil: |
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• Make sure the mower is on a level surface. |
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• Clean the oil fill area of any debris. |
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• Remove the dipstick (A, Figure 2) and wipe with |
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a clean cloth. |
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• Insert and tighten the dipstick. |
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• Remove the dipstick and check the oil level. It |
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should be at the top of the full indicator (B) on the |
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dipstick. |
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fer |
* Below 40°F (4°C) the use of SAE 30 will result in |
• If low, add oil slowly into the engine oil fill. |
hard starting. |
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to the section entitled ‘Oil Recommendations’. Do |
** Above 80°F (27°C) the use of 10W-30 may cause |
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not overfill. After adding oil, wait one minute and |
increased oil consumption. Check oil level more |
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recheck the oil level. |
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frequently. |
• Replace and tighten the dipstick. |
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A
B
C |
D |
Figure 2: Oil and fuel fill
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11 |
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en |
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Operation
Fuel Recommendations |
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The engine on your mower is equipped with the Briggs |
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Fuel must meet these requirements: |
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& Stratton Ready StartTM System. This features a |
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• Clean, fresh, unleaded gasoline. |
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temperature-controlled automatic choke. No additional |
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• A minimum of 87 octane/87 AKI (91 RON). High |
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steps are required to start a cold engine. |
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altitude use, see below. |
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1. Move the engine speed control (A, Figure 3) to |
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• Gasoline with up to 10% ethanol (gasahol) is |
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the fast (‘Rabbit’) position. |
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acceptable. |
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2. Squeeze the blade control (B) against the handle. |
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NOTICE: Do not use unapproved gasolines, such as |
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3. Start the mower: Pull the rope start handle (C) |
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to crank the engine. |
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E15 and E85. Do not mix oil in gasoline or modify the |
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4. To stop the engine (and blade), release the blade |
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engine to run on alternate fuels. Use of unapproved |
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control. |
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fuels will damage the engine components and void |
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5. After the engine starts, allow a brief warm-up until |
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the engine warranty. |
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the engine runs smooth before beginning mower |
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To protect the fuel system from gum formation, mix a |
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operation. |
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fuel stabilizer into the fuel. See Storage. All fuel is not |
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the same. If starting or performance problems occur, |
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B |
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change fuel providers or change brands. This engine is |
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certified to operate on gasoline. The emissions control |
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system for this engine is EM (Engine Modifications). |
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duction |
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CANNOT see it, smell it, or taste it. EvenRepro |
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High Altitude |
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A |
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At altitudes over 5,000 feet (1524 meters), a minimum |
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85 octane/85 AKI (89 RON) gasoline is acceptable. |
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C |
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To remain emissions compliant, high altitude adjust- |
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ment is required. Operation without this adjus ment will |
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cause decreased performance, increased fuel |
n- |
for |
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sumption, and increased emissions. See an auth |
rized |
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Briggs & Stratton Dealer for high altitude adjustment |
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information. |
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Operation of the engine at altitudes Notbelow 2,500 feet |
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Figure 3: Starting the mower |
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(762 meters) with the high altitude adjustment is not |
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Propelling the Mower |
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recommended. |
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1. Start the mower. |
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Starting the Mower |
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2. Move the ground speed control (A, Figure 4) to |
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the desired speed position. |
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WARNING |
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3. Squeeze the wheel drive control (B) against the |
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handle to engage the wheel drive and propel the |
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POISONOUS GAS HAZARD. Engine exhaust contains carbon |
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mower forward. Forward speed can be adjusted |
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monoxide, a poisonous gas that could kill you in minutes. You |
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while the mower is moving by changing the posi- |
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if you do not smell |
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tion of the ground speed control. |
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exhaust fumes, you could still be exposed to carbon monox- |
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ide gas. If you start to feel sick, dizzy, or weak while using this |
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product, shut it off and get to fresh air RIGHT AWAY. See a |
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doctor. You may have carbon monoxide poisoning. |
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A |
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• Operate this product ONLY outside far away from windows, doors and |
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vents to reduce the risk of carbon monoxide gas from accumulating and |
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potentially being drawn towards occupied spaces. |
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• Install battery-operated carbon monoxide alarms or plug-in carbon |
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B |
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monoxide alarms with battery back-up according to the manufacturer’s |
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instructions. Smoke alarms cannot detect carbon monoxide gas. |
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•DO NOT run this product inside homes, garages, basements, crawlspaces, sheds, or other partially-enclosed spaces even if using fans or opening doors and windows for ventilation. Carbon monoxide can quickly build up in these spaces and can linger for hours, even after this product has shut off.
•ALWAYS place this product downwind and point the engine exhaust away from occupied spaces.
Figure 4: Mower drive controls
12 |
www.snapper.com |
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Operation |
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Stopping the Mower |
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Cutting Height Adjustment |
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1. Stop forward motion of the mower by releasing the |
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! |
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WARNING |
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wheel drive control. |
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! |
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2. Stop the engine and blade by releasing the blade |
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DO NOT attempt any maintenance, adjustments or |
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control. |
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service with engine and blade running. STOP engine |
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Handle Height Adjustment |
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and blade. Disconnect spark plug wire and secure |
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HOT. Avoid serious burns, allow sufficient time for all |
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away from spark plug. Engine and components are |
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! |
WARNING |
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components to cool. |
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DO NOT attempt any maintenance, adjustments or |
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1. Pull the height adjusting latch (A, Figure 6) out- |
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service with engine and blade running. STOP engine |
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ward and move to the desired cutting height. |
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and blade. Disconnect spark plug wire and secure |
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away from spark plug. Engine and components are |
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HOT. Avoid serious burns, allow sufficient time for all |
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components to cool. |
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The height of the mower handle can be adjusted as fol- |
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lows: |
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each |
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1. Loosen the lower nuts (A, Figure 5) |
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lower handle. |
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Reproduction |
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2. Move the handle assembly (B) up or down until |
for |
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the desired position is achieved. |
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3. Tighten the lower nuts on each lower handle to |
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A |
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maintain the desired position. |
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Fig |
re 6: Adjusting cutting height |
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2. Set all wheels at the same cutting height. The |
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highest cutting position is Notch 7 (Figure 7). The |
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B |
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lowest cutting position is Notch 1. |
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Figure 5: Adjusting the handle height |
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4.00 in |
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1.25 in |
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3,18 cm |
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10,16 cm |
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Figure 7: Cutting height settings (approximate) |
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13 |
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en |
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Mulching Operation |
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Installing the Discharge |
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For best mulching results, cut up to a maximum of 1/3 |
Deflector |
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of grass blade length and recycle ONLY when grass is |
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dry. |
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! |
WARNING |
! |
1. Set all wheels in the highest cutting position (Notch |
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7). Refer to the Section entitled “Cutting Height |
DO NOT attempt any maintenance, adjustments or |
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Adjustment”. |
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service with engine and blade running. STOP engine |
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2. Move the engine speed control to the fast (Rabbit) |
and blade. Disconnect spark plug wire and secure |
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position. |
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away from spark plug. Engine and components are |
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3. Move the ground speed control to the slowest |
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HOT. Avoid serious burns, allow sufficient time for all |
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speed setting. |
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components to cool. |
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4. Proceed mowing slowly. If the grass is very dense, |
1. |
Remove the mulching cover. Refer to the Section |
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lower each rear wheel latch one notch lower than |
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the front wheel latches to improve mulching perfor- |
2. |
entitled “Mulching Operation”. |
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mance. |
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Install the deflector (A, Figure 9) to the deck in |
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place of the mulching cover, making sure that: |
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NOTE: The mulching cover should remain on the |
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• |
The front hole (B) on the outside front of the |
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machine at all times, unless alternate discharge opera- |
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deflector fits over the stud where the front of the |
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tions are desired, such as side discharging or bagging. |
• |
mulching cover was originally secured; |
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The slot (C) on top of the deflector slips under the |
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Removing the Mulching Cover |
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est aining nut on top of the deck (under the right |
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• |
ont corner |
f the e gi e); |
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(Optional Accessory on Some Models) |
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The slot (D) n the inside rear of the deflector |
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! |
WARNING |
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slips on o he s ud behind the rear of the discharge |
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! foropening, where the rear of the mulching cover was |
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DO NOT attempt any maintenance, adjustmen s |
r |
3. |
originally se ured. |
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service with engine and blade running. STOP engine |
Install the internal/external tooth lock washers and |
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and blade. Disconnect spark plug wire and secure |
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knob n ts onto the studs and tighten securely. |
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away from spark plug. Engine and components are |
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HOT. Avoid serious burns, allow sufficient time for all |
C |
B |
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components to cool. |
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Not |
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1. Remove the knob nuts (A, Figure 8) and inter- |
D |
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nal/external tooth lock washers (B) securing the |
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mulching cover (C) to the mower ck. |
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2. Remove the cover. |
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Reproduction |
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B |
A |
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Figure 9: Installing the discharge deflector |
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! |
WARNING |
! |
A |
DO NOT operate without entire Grass Catcher or |
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guard in place. Grass Catcher components are |
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C |
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subject to deterioration during normal use. Inspect |
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Figure 8: Removing the mulching cover |
frequently and replace worn or damaged components |
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immediately. |
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14 |
www.snapper.com |
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Operation |
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Installing the Grass Bag |
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Installing the Mulching Plug |
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Adapter |
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(Optional Accessory on Some Models) |
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(Optional Accessory on Some Models) |
! |
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! |
WARNING |
! |
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! |
WARNING |
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service with engine and blade running. STOP engine |
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DO NOT attempt any maintenance, adjustments or |
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DO NOT attempt any maintenance, adjustments or |
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and blade. Disconnect spark plug wire and secure |
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service with engine and blade running. STOP engine |
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away from spark plug. Engine and components are |
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and blade. Disconnect spark plug wire and secure |
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HOT. Avoid serious burns, allow sufficient time for all |
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away from spark plug. Engine and components are |
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components to cool. |
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HOT. Avoid serious burns, allow sufficient time for all |
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components to cool. |
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1. Install the mulching plug (A, Figure 11) if mulching |
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1. |
Remove the mulching cover. Refer to the Section |
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is desired after the bag adapter is installed. Install |
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the mulching plug completely and securely into the |
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entitled “Mulching Operation”. |
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bag adapter (B). |
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2. |
Install the adapter (A, Figure 10) to the deck in |
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2. Install the grass bag as a safeguard. |
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place of the mulching cover, making sure that: |
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• |
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3. Refer to the Section entitled “Mulching Operation”. |
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The front hole (B) on the outside front of the adapt- |
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er fits over the stud where the front of the mulching |
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cover was originally secured; |
Reproduction |
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• |
The slot (C) on top of the adapter slips under the |
for |
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restraining nut on top of the deck (under the right |
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• |
front corner of the engine); |
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A |
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The slot (D) on the rear of the adapter slips onto |
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the stud behind the rear of the discharge opening, |
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Not |
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where the rear of the mulching cover was originally |
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3. |
secured. |
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Install the internal/external tooth lock washers and |
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4. |
knob nuts onto the studs and tighten securely. |
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B |
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Route the recoil rope around the outside of the |
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rope guide pulley (E). |
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NOTE: The recoil rope may need to be slackened. |
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Refer to the section entitled “Starting the Mower”. |
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Figure 11: Installing the mulching plug |
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E |
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C |
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B |
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D |
A |
Figure 10: Installing the grass bag adapter
|
15 |
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en |
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Operation
Installing the Grass Bag
(Optional Accessory on Some Models)
! |
WARNING |
! |
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
1.Install the grass bag adapter. Refer to the Section entitled “Installing the Grass Bag Adapter”.
2.Install the grass bag by sliding the connector (A, Figure 12) over the adapter flange.
3.Attach the grass bag hooks (B) over the middle handle cross bar.
! |
WARNINGReproduction! |
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B |
for |
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A |
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Not |
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Figure 12: Installing the grass bag |
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Grass Catcher bags are made of woven fabric, and |
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are |
subject to deterioration and wear during normal |
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usage. Check condition of bag before each use. |
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Immediately replace worn or damaged catcher bags |
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with only genuine replacement bags. The grass |
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catcher is optional equipment on some models. |
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16 |
www.snapper.com |
Maintenance
Maintenance Chart
! |
WARNING |
! |
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury.
Emissions Control
Maintenance, replacement, or repair of the emissions control devices and systems may be performed by any non-road engine repair establishment or individual. However, to obtain “no charge” emissions control service, the work must be performed by a factory authorized dealer. See the Emissions Warranty.
MOWER |
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ENGINE |
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Every 8 Hours or Daily |
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First 5 Hours |
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Check safety interlock system |
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Change engine oil |
Clean debris off mower |
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Every 8 Hours or Daily |
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Reproduction |
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Every 25 Hours or Annually * |
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Check engine oil level |
Check mower for loose hardware |
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Eve y 25 Hours A ually * |
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See Dealer Annually to |
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Clean eng ne a r f lter and pre-cleaner (if equipped) |
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** |
Lubricate mower |
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Every 50 Hours or Annually * |
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Check mower blade ** |
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for |
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Change engine oil |
Check mower blade stopping time |
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Replace oil filter (if equipped) |
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Check drive belt |
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Ann ally |
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Clean battery and cables |
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Replace air filter |
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* Whichever comes first |
Not |
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Replace pre-cleaner (if equipped) |
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**Check blade more often in regions with sandy soils |
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See Dealer Annually to |
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or high dust conditions. |
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Inspect muffler and spark arrester (if equipped) |
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Replace spark plug |
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Replace fuel filter (if equipped) |
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Clean engine air cooling system |
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* |
Whichever comes first |
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**Clean more often in dusty conditions or when |
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airborne debris is present. |
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17 |
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en |
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Change Engine Oil |
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Service Air Filter |
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! |
WARNING |
! |
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! |
WARNING |
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! |
DO NOT attempt any maintenance, adjustments or |
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Never start or run the engine with the air cleaner |
|
||||||
service with engine and blade running. STOP engine |
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assembly (if equipped) or the air filter (if equipped) |
|||||||
and blade. Disconnect spark plug wire and secure |
|
removed. |
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|
||||
away from spark plug. Engine and components are |
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NOTE: Do not use pressurized air or solvents to clean |
|||||||
HOT. Avoid serious burns, allow sufficient time for all |
|
||||||||
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the |
filter. Pressurized air can damage the filter and |
|||||||
components to cool. |
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|
solvents will dissolve the filter. |
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|||||
1. Drain the fuel tank completely. |
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|||||
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1. |
Loosen the fastener (A, Figure 14) that holds the |
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2. |
Remove the dipstick (A, Figure 13), then turn the |
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mower on its side. Allow the oil to drain from the oil |
2. |
cover (B). |
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fill tube into an appropriate container. Dispose of |
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Open the cover and remove the pre-cleaner (C) |
||||||
3. |
used oil properly. |
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3. |
and the filter (D). |
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|
||
Place the mower upright, then fill the engine with |
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To loosen debris, gently tap the filter on a hard sur- |
|||||||
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engine oil to the ‘full’ mark on the dipstick. Refer |
|
|
face. If the filter is excessively dirty, replace with a |
|||||
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to the section entitled ‘Oil Recommendations’. Do |
|
4. |
new filter. |
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||
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not overfill. |
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Wash the pre-cleaner in liquid detergent and |
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|||
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water. Then allow it to thoroughly air dry. Do not oil |
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A |
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5. |
the pre-cleaner. |
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Assemble the dry pre-cleaner to the filter with the |
|||||
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lip (E) of the pre-cleaner on the bottom of the filter |
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6. |
pleats. |
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Install he f l er. |
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Not |
for7. Install the |
over tabs (F) into the slots (G). |
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8. |
Close the |
over and secure with the fastener. |
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C |
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Figure 13: Draining the engine oil |
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F |
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B |
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IMPORTANT: Drain the fuel tank before tipping the |
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G |
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machine. DO NOT tip the machine with the carburetor |
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|
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|
D |
||||
or spark plug down. Oil from the crankcase will satu- |
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|
||||
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Reproduction |
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|
||||
rate the air filter and cause the engine to be hard to |
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E |
|
|||
start or not start at all. If contamination does occur, the |
|
A |
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|
|||||
air filter will have to be replaced. |
|
|
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|
Figure 14: Air filter and pre-cleaner
18 |
www.snapper.com |
Check Safety Interlock System |
3. Use a brush or compressed air to remove loose |
||||||
1. Start the mower. |
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|
|
debris, then use a damp cloth to wipe down the |
||
2. Release the blade control. The engine must stop |
unit. |
|
|||||
within 3 seconds. |
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|
4. Tilt the mower up on its rear wheels and inspect |
||
If the engine does not stop within 3 seconds, do not |
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the underside of the deck. (Do not tilt the mower |
|||||
use the mower. Bring the mower to an authorized |
|
with the spark plug or carburetor down.) Scrape |
|||||
dealer for service. |
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away stubborn accumulation of grass with a putty |
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knife and/or wire brush. |
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Clean Debris Off Mower |
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|
5. Lubricate all exposed metal with a light coating of |
||||
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|
oil to prevent corrosion. |
|||||
|
|
6. Carefully fold the handles, flexing the control |
|||||
! |
WARNING |
|
! |
|
cables to prevent cable damage. |
||
|
|
7. Store the mower in a shed or other dry area, pro- |
|||||
DO NOT attempt any maintenance, adjustments or |
|
tected from weather. |
|
||||
service with engine and blade running. STOP engine |
Fuel System |
|
|||||
and blade. Disconnect spark plug wire and secure |
|
|
|||||
away from spark plug. Engine and components are |
|
Fuel can become stale when stored over 30 days. |
|||||
HOT. Avoid serious burns, allow sufficient time for all |
Stale fuel causes acid and gum deposits to form in |
||||||
components to cool. Wear heavy leather gloves when |
the fuel system or on essential carburetor parts. To |
||||||
handling or working around cutting blades. Blades are |
keep fuel fresh, use Briggs & Stratton® Advanced |
||||||
extremely sharp and can cause severe injury. |
|
|
Fo mula Fuel Treatme |
t & Stabilizer, available |
|||
|
|
|
|
|
|
whe ever Briggs & Stratt |
ge uine service parts are |
1. Clean dirt and debris from the top of the mower |
|
||||||
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s ld. |
|
|||||
deck. |
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For engines equ pped with a FRESH START® fuel |
||
2. Clean any debris buildup on or around the engine, |
|||||||
etc. |
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|
|
dam- |
forcap, use Briggs & Stratton FRESH START® avail- |
||
While cleaning, check components for wear |
|
able in a drip oncentrate cartridge. |
|||||
age. Replace worn or damaged components immedi- |
There is no need to drain gasoline from the engine |
||||||
ately. |
|
|
Not |
|
if a f el stabilizer is added according to instructions. |
||
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|
|
|
Run the engine for 2 minutes to circulate the stabilizer |
|||
Storage Procedure |
|
|
thr ughout the fuel system before storage. |
||||
|
|
If gasoline in the engine has not been treated with a |
|||||
! |
WARNING |
|
! |
|
fuel stabilizer, it must be drained into an approved con- |
||
|
|
tainer. Run the engine until it stops from lack of fuel. |
|||||
DO NOT attempt any maintenance, adjustm nts or |
|
The use of a fuel stabilizer in the storage container is |
|||||
service with engine and blade running. STOP |
ngine |
recommended to maintain freshness. |
|||||
and blade. Disconnect spark plug wire and secure |
|
|
|
||||
away from spark plug. Engine and components are |
|
|
|
||||
HOT. Avoid serious burns, allow sufficient time for all |
|
|
|||||
|
|
Reproduction |
|||||
components to cool. Wear heavy leather gloves when |
|
|
|||||
handling or working around cutting blades. Blades are |
|
|
|||||
extremely sharp and can cause severe injury. |
|
|
|
|
Prepare the mower for “end of season” storage as follows:
1.Disconnect the spark plug wire and secure away from the spark plug.
2.Drain the fuel tank and let the engine run until all fuel is out of the carburetor.
NOTE: If using a fuel stabilizer, there is no need to drain the fuel tank. Refer to the section entitled ‘Fuel System’.
|
19 |
|
en |
||
|
Maintenance
Service |
|
|
|
|
3. Reinstall the transmission plug. |
||||
|
|
|
|
4. Check the grease level after each 25 hours of |
|||||
|
|
WARNING |
! |
|
|||||
|
|
! |
|
|
operation. |
|
|||
DO NOT attempt any maintenance, adjustments or |
|
Check Mower Blade |
|
||||||
service with engine and blade running. STOP engine |
|
|
|||||||
and blade. Disconnect spark plug wire and secure |
|
1. Disconnect the spark plug wire and secure the end |
|||||||
away from spark plug. Engine and components are |
|
|
away from the plug. |
|
|||||
HOT. Avoid serious burns, allow sufficient time for all |
|
2. Tilt the mower up on its rear wheels for access to |
|||||||
components to cool. Wear heavy leather gloves when |
|
the blade cap screw (A, Figure 17). Do not tilt the |
|||||||
handling or working around cutting blades. Blades are |
|
mower with the spark plug or carburetor down. |
|||||||
extremely sharp and can cause severe injury. |
|
IMPORTANT: Drain the fuel tank before tipping the |
|||||||
Check Grease Level in Transmission |
|
||||||||
|
mower. DO NOT tip the machine with the carburetor or |
||||||||
1. |
Remove the transmission fill plug (A, Figure 15). |
|
spark plug down. Oil from the crankcase will saturate |
||||||
|
|
Roll the machine forward or backward while look- |
|
the air filter and cause the engine to be hard to start or |
|||||
2. |
ing down into the plug hole. |
|
|
|
not start at all. If contamination does occur, the air filter |
||||
If liquid grease is not visible on the input gear (the |
|
will have to be replaced. |
|
||||||
|
|
small gear below the plug hole), add an amount, to |
3. Check the torque of the blade cap screw. |
||||||
|
|
cover the gear, of Snapper “00” grease. |
|
|
|||||
|
|
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|
Recommended torque should be 40 lb-ft (54 N.m). |
|
|
|
A |
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|
|
4. Check the blade for sharpness, wear and damage. |
||
|
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|
|
|
for |
Refer to the Secti |
titled “Blade Wear Limits”. |
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Not |
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A |
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Figure 15: Removing the transmission fill |
lug |
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|
|||
NOTE: Snapper “00” grease (Part No. 7029443) is |
|
|
|
|
|||||
|
|
Figure 17: Tightening the blade cap screw |
|||||||
available at your dealer. |
|
|
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|||||
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|
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|
|
||||
NOTE: Do not spill grease or oil onto the surface of the |
|
|
|
||||||
drive disc (A, Figure 16). |
ReproductionCheck Engine Drive Belt |
||||||||
|
|
|
• Visually check the engine drive belt for cracking, |
||||||
|
|
|
|
|
|
|
|
fraying, severed or exposed belt strands. If worn |
|
|
|
A |
|
|
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|
|
or damaged, replace the belt before operating the |
|
|
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|
mower. |
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|
Check Transmission Poly-V Belt |
||
|
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|
|
|
|
• Visually check the poly-v belt for cracking, fray- |
||
|
|
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|
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|
|
|
ing, severed or exposed belt strands. If worn or |
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|
damaged, replace the belt before operating the |
|
|
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|
mower. |
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|
Figure 16: Location of the drive disc
20 |
www.snapper.com |