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Walk Behind Lawn Mower
Owner/Operator Manual
Models
911207 – Pro21XD
911214 – Pro21XD CARB
ENGLISH
ESPAGNOL
Transfer model & serial number label from product registration here.
Coller l’autocollant du modèle et du numéro de série dans cet encadré.
Transferir aquí la etiqueta del modelo y número de serie del registro del producto.
00661700B 1/07
Printed in USA
TABLE OF CONTENTS
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Assembly . . . . . . . . . . . . . . . . . . . . . . . . 8
Controls and Features . . . . . . . . . . . . 10
Operation . . . . . . . . . . . . . . . . . . . . . . . 11
Maintenance. . . . . . . . . . . . . . . . . . . . . 17
Service and Adjustments . . . . . . . . . . 20
Storage . . . . . . . . . . . . . . . . . . . . . . . . . 22
Troubleshooting . . . . . . . . . . . . . . . . . 23
Service Parts . . . . . . . . . . . . . . . . . . . . 24
Accessories . . . . . . . . . . . . . . . . . . . . . 24
Specifications . . . . . . . . . . . . . . . . . . . 25
Warranty. . . . . . . . . . . . . . . . . . . . . . . . 26
INTRODUCTION
THE MANUAL
Before using the unit, carefully and completely read your manuals. The contents will give you an understanding of safety instructions and controls during normal operation and maintenance.
All reference to left, right, front, or rear are given from the operator’s position, facing the direction of forward travel.
SERVICE AND REPLACEMENT
PARTS
When ordering replacement parts or making service inquiries, know the Model and Serial numbers of your unit and engine.
Numbers are located on the product registration form in the unit literature package. They are also printed on a serial number label, located on the frame of your unit (Figure 1).
• Record Engine Model & Serial numbers here:
PRODUCT REGISTRATION
The Ariens dealer must register the product at the time of purchase. Registering the product will help the company process warranty claims or contact you with the latest service information. All claims meeting requirements during the limited warranty period will be honored, whether or not the product registration card is returned. Keep a proof of purchase if you do not register your unit.
Customer Note: If the Dealer does not register your product, please fill out, sign and return the product registration card to Ariens or go to www.ariens.com on the internet.
UNAUTHORIZED REPLACEMENT
PARTS
Use only Ariens replacement parts.
Replacing any part on this vehicle with anything other than an Ariens authorized replacement part may adversely affect the performance, durability, or safety of this unit and may void the warranty. Ariens disclaims liability for any claims or damages, whether warranty, property damage, personal injury or death arising out of the use of unauthorized replacement parts. To locate your nearest
Ariens Dealer, go to www.ariens.com on the internet.
Figure 1
Unit Serial
Number Label
• Record Unit Model and Serial numbers here:
DEALER DELIVERY
Dealer should:
1. Check that all assembly and adjustments have been properly completed.
2. Fill out Original Purchaser Registration
Card and return the card to Ariens.
3. Explain Ariens Limited Warranty Policy.
GB - 2
© Copyright 2007 Ariens Company
4. Explain recommended lubrication and maintenance. Advise customer on adjustments. Remind customer to change oil in 4 cycle engine crankcase after first five (5) hours of operation.
5. Instruct customer on controls and operation of unit. Discuss and emphasize the Safety Rules. Give customer Owner/Operator, Parts, and
Engine manuals. Advise customer to thoroughly read and understand them.
SAFETY
DISCLAIMER
Ariens reserves the right to discontinue, make changes to, and add improvements upon its products at any time without public notice or obligation.The descriptions and specifications contained in this manual were in effect at printing. Equipment described within this manual may be optional. Some illustrations may not apply to your unit.
WARNING: POTENTIALLY
HAZARDOUS SITUATION! If not avoided, COULD RESULT in death or serious injury.
WARNING: This cutting machine is capable of amputating hands and feet and throwing objects.
Failure to observe the safety instructions in the manuals and on decals could result in serious injury or death.
Slopes are a major factor related to slip and fall accidents.
Operation on all slopes requires extra caution.
Tragic accidents can occur if the operator is not alert to the presence of children. Never assume that children will remain where you last saw them.
Gasoline is extremely flammable and the vapors are explosive, handle with care.
Stop unit and engine, remove key
(if equipped) and allow moving parts to stop before leaving operator’s position.
SAFETY ALERTS
Look for these symbols to point out important safety precautions.
They mean:
Attention!
Personal Safety Is Involved!
Become Alert!
Obey The Message!
The safety alert symbols above and signal words below are used on decals and in this manual.
Read and understand all safety messages.
CAUTION: POTENTIALLY
HAZARDOUS SITUATION! If not avoided, MAY RESULT in minor or moderate injury. It may also be used to alert against unsafe practices.
NOTATIONS
NOTE: General reference information for proper operation and maintenance practices.
IMPORTANT: Specific procedures or information required to prevent damage to unit or attachment.
PRACTICES AND LAWS
Practice usual and customary safe working precautions, for the benefit of yourself and others. Understand and follow all safety messages. Be alert to unsafe conditions and the possibility of minor, moderate, or serious injury or death. Learn applicable rules and laws in your area.
REQUIRED OPERATOR
TRAINING
Original purchaser of this unit was instructed by the seller on safe and proper operation. If anyone other than the original purchaser will use the unit, ALWAYS provide this manual and any needed safety training before operation.
DANGER: IMMINENTLY
HAZARDOUS SITUATION! If not avoided, WILL RESULT in death or serious injury.
GB - 3
SAFETY DECALS AND
LOCATIONS
ALWAYS replace missing or damaged safety decals. Refer to Figure 2 for safety decal locations.
OL3030
Keep safety devices (guards, shields, switches, etc.) in place and working.
3
OL1801
OL4370
OL0910
2
OL4540
1
OM0813
Figure 2
1. DANGER!
TO AVOID SERIOUS INJURY OR DEATH
Read the operator’s manual.
Keep children and others away from unit while operating.
Never direct discharge toward other people. Thrown objects can cause injury.
Do not operate mower unless guards are in operating position or entire bagger is attached.
• Go across slopes, not up and down.
• Look down and behind before and while moving backward.
• Do not park on a slope unless chocked or blocked.
• Do not allow operation of machine by untrained personnel.
2. DANGER!
KEEP HANDS AND FEET AWAY
Do not operate mower unless guards are in operating position or bagger is attached.
3. CAUTION!
• Bag is subject to wear and deterioration.
• Check bag frequently, replace when necessary.
• Use original bag to comply with safety specifications.
SAFETY RULES
If unit is to be used by someone other than original purchaser; loaned, rented or sold,
ALWAYS provide this manual and any needed safety training before operation.
Learn applicable rules and laws in your area, including those that may restrict the age of the operator.
Read, understand and follow all safety practices in Owner/Operator Manual before beginning assembly. Failure to follow instructions could result in personal injury and/or damage to unit.
If the operator or the mechanic cannot read the manual, it is the owner’s responsibility to explain it to them. Only the user can prevent and is responsible for accidents or injuries occurring to themselves, other people or property.
ALWAYS remove key (if equipped) and disconnect wire from spark plug before assembly. Unintentional engine start up can cause death or serious injury.
Complete a walk around inspection of unit and work area to understand:
• work area
• your unit
GB - 4
• all safety decals.
Clear work area of stones, sticks, wire and foreign objects which might be picked up and thrown. Tall grass can hide obstacles.
Know the work area. Stay alert for holes, rocks, rough terrain and hidden hazards.
Keep away from drop-offs, ditches, or embankments that could cause operator to lose footing or control of unit.
ALWAYS be aware of traffic when operating along streets or curbs.
Keep work area clear of all persons, children and pets.
Keep children out of the work area and under the watchful care of a responsible adult.
ALWAYS operate unit when there is good visibility and light.
DO NOT mow wet grass.
ALWAYS be sure of your footing. Keep a firm hold on handlebar. Walk, NEVER run.
Engine/blade control feature on mower stops engine and blade within 3 seconds whenever operator releases handlebar. Check this feature frequently. If feature fails to operate, disconnect spark plug wire and adjust or have it repaired before using unit.
Only trained adults may operate or service unit. Training includes actual operation. The owner is responsible for training users.
NEVER operate after or during the use of medication, drugs or alcohol. Unit requires complete and unimpaired attention.
NEVER allow children to use or service mower.
ALWAYS keep hands and feet away from rotating parts. Rotating parts can cut off body parts.
ALWAYS keep hands away from pinch points.
Fumes from engine exhaust can cause death or serious injury. DO NOT run engine in an enclosed area.
ALWAYS protect eyes, face, and body with adequate safety gear and protective clothes.
Wear sturdy footwear, gloves, a hard hat and safety goggles or safety glasses with side shields while operating mower.
Wear appropriate hearing protection.
NEVER operate mower barefoot or when wearing open sandals or canvas shoes.
NEVER wear loose clothes, long hair or jewelry that may get caught in rotating parts.
ALWAYS stand clear of discharge when operating unit.
NEVER direct discharge toward bystanders.
Operator is responsible for bystander safety.
GB - 5
DO NOT touch hot parts. Allow parts to cool.
Keep safety devices or guards in place and functioning properly. NEVER modify or remove safety devices.
Read, understand, and follow all instructions in the manual and on the machine before starting. Understand:
• How to operate all controls
• The functions of all controls
• How to STOP in an emergency.
DO NOT attempt to start your engine until you know what the controls do and how they work.
DO NOT tilt mower when starting it.
Keep feet away when starting engine.
DO NOT start the engine or operate mower without side discharge cover or side discharge deflector installed.
Never leave a running unit unattended.
Take all possible precautions when leaving unit unattended.
ALWAYS shut off engine, remove key
(electric start models) and disconnect spark plug wire to prevent accidental starting or unauthorized use.
Stop engine if anyone enters the work area.
NEVER attempt to make any adjustments to unit while engine is running (except where specifically recommended). Stop engine, remove key (electric start models) and wait for all moving parts to stop before servicing.
DO NOT make cutting height wheel adjustments while the engine is running.
If you strike an object, or if equipment vibrates abnormally, stop engine at once, wait for moving parts to stop and disconnect wire from spark plug. Repair any damage before restarting unit.
Keep rear door closed when engine is running unless the grass bag is in place.
Stop engine before removing and emptying grass bag.
When mulching or bagging, ALWAYS install discharge cover.
When side discharging, ALWAYS install side discharge deflector.
ALWAYS shut off engine, allow blade to stop and disconnect spark plug wire before clearing clogs or cleaning unit.
Check grass bag for wear, damage, and/or deterioration. Replace only with Ariens original equipment replacement parts for safety.
To reduce fire hazard and overheating, keep equipment free of grass, leaves, debris or excessive lubricants.
Use extra care when approaching blind corners, shrubs, trees, or other objects which may obscure vision.
DO NOT mow at too fast a rate. DO NOT change engine governor setting or overspeed the engine.
Do not operate mower on gravel or loose material such as sand. Stop mower when crossing drives, walks, or roads to prevent damage or injury from thrown objects.
DO NOT pull mower backwards unless absolutely necessary. Look down and back, especially for small children, before and while moving backwards.
On self-propelled models, releasing wheel drive control must stop mower’s forward movement. If this feature fails to operate, disconnect spark plug wire and repair before using unit.
On self-propelled models, wheel drive must be disengaged when starting engine.
DO NOT operate on steep slopes.
NEVER leave unit unattended on a slope.
Chock wheels if parking on a slope.
Mow across the face of slopes, never up and down. Be especially cautious when changing direction on slopes.
This product is equipped with an internal combustion engine. DO NOT use on or near any unimproved, forest or brush covered land unless the exhaust system is equipped with a spark arrestor meeting applicable local, state or federal laws. A spark arrestor, if used, must be maintained in effective working order by the operator. See your Ariens Dealer or engine manufacturer’s service center.
Emission Control System
Certification Label
NOTE: Tampering with emission controls and components by unauthorized personnel may result in severe fines or penalties. Emission controls and components can only be adjusted by EPA and/or CARB authorized service centers. Contact your Ariens
Equipment Retailer concerning emission controls and component questions.
Fuel is highly flammable and its vapors can explode. ONLY use approved fuel containers.
• NO Smoking!
• NO Sparks!
• NO Flames!
• Allow engine to cool before filling fuel tank.
Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.
When practical, remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment on a trailer with a portable container, rather than from a gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lockopen device.
Check fuel supply before starting engine.
DO NOT fill gasoline tank indoors, when engine is running, or while engine is hot.
Allow engine to cool several minutes before removing fuel cap.
DO NOT overfill. Allow about 1/4" (6 mm) of tank space for fuel expansion.
Replace gasoline tank cap securely and clean any spilled fuel before starting engine.
If fuel is spilled on clothing, change clothing immediately.
NEVER store fuel inside where there is an open flame, such as a water heater.
ALWAYS drain fuel outdoors away from ignition sources.
ALWAYS shut off engine , and remove key, and close fuel shutoff valve when transporting unit on a truck or trailer.
Avoid Electric Shock. DO NOT disconnect wire from spark plug while engine is running.
Do NOT put battery in fire or mutilate.
Explosive Gases!
NO flames, NO sparks, NO smoking, near battery.
Poisonous battery fluid contains sulfuric acid.
Contact with skin, eyes or clothing can cause severe chemical burns.
ALWAYS wear safety glasses and protective gear near battery.
ALWAYS keep batteries out of reach of children.
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.
Charge batteries in an open, well-ventilated area, away from spark and flames. Unplug charger before connecting or disconnecting battery. Wear protective clothing and use insulated tools.
GB - 6
Accidental engine start up can cause death or serious injury. Except where specifically recommended, ALWAYS stop engine, remove key (electric start models), wait for moving parts to stop, allow parts to cool and disconnect spark plug wire before inspecting, servicing, adjusting or repairing unit.
Keep mower free of grass, leaves, or other debris build-up.
Keep equipment in good condition.
Maintain or replace safety and instruction labels, as necessary.
Follow engine manufacturer’s safety instruction when servicing engine.
Check all hardware at regular intervals, especially blade attachment bolts. Keep all hardware properly tightened.
An extension spring, when extended, stores energy and can be dangerous. Always use tools specifically designed for installing or removing an extension spring. Always compress or extend springs slowly.
Before tipping unit, remove fuel and battery (if equipped).
Use extra care when loading or unloading unit onto trailer or truck.
Ensure all wheel blocks, jack stands and tie downs will support unit during maintenance.
Replace worn-out mufflers immediately.
Continued use could result in fire or explosion.
Sharp edges can cut or amputate fingers or a hand. Wrap blade or wear sturdy gloves to service.
Only replace blades. NEVER straighten or weld blades.
Use only replacement parts designed for your unit. See your Ariens Dealer.
Allow engine to cool before storing in any enclosure.
ALWAYS clean unit before extended storage.
See engine manual for proper storage.
DO NOT store unit inside a building with fuel in the fuel tank where any ignition sources are present.
Use only accessories which have been approved by Ariens and are properly installed.
Use only accessories or attachments that are designed for your unit and that can be used safely on your terrain.
Check attachments frequently and replace worn or damaged components with manufacturer’s recommended parts.
GB - 7
CARTON CONTENTS
1
ASSEMBLY
CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding.
ASSEMBLY
Figure 4
1. Remove mower and handlebar from carton.
2. Install the handlebar and braces on the handlebar brackets with the hardware supplied with the unit.
NOTE: Make sure the cables (connected to the handlebar) are on the left side of the unit.
2
6
1
2
3
4
1
4
3
5
1. Mower Unit
2. Mulch Cover
3. Side Discharge Chute
4. Mulch Plug
5. Literature Pack
6. Grass Bag
7. Drive Cover and Mounting
Hardware
Figure 3
1. Mounting Hardware
2. Handlebar
3. Brace
4. Handlebar Bracket
Figure 4
GB - 8
3. Install the drive cover with three hex bolts and lock washers. Make sure the plate does not pinch any cables.
5. Fill engine crankcase with oil. See engine manual.
6. Set-up mower for bagging, side discharge or mulching. See MOWER
SET-UP on page 14.
7. Fill fuel tank. See FILLING THE FUEL
TANK on page 14.
8. Connect spark plug wire.
9. Check the engine/blade control feature.
Try starting the engine without the engine/blade control held against the handlebar. Engine must not start. If engine starts, stop engine and bring the unit to your dealer for adjustment or repair.
1. Drive Cover
2. Mounting Hardware
Figure 5
4. Connect the engine/blade control cable to the engine.
Route the z-bend cable end into engine shutoff lever as shown below.
Insert the cable connector into the cable mounting bracket on the engine. Make sure the connector snaps into place securely.
Kawasaki Engines
Figure 6
GB - 9
16
14
1
CONTROLS AND FEATURES
2
4
5
13
12
11
6
7
8
10
9
1. Handlebars
2. Speed Control Knob
3. Integrated Engine/Blade and Wheel
Drive Control
4. Oil Fill/Dipstick
5. Fuel Tank and Cap
6. Air Filter
7. Primer Bulb
8. Lock Pin
9. Muffler and Muffler Guard
10. Mulch Cover
11. Cutting Height Levers
12. Grass Bag
13. Rear Door
14. Recoil Starter Handle
15. Side Discharge Chute
16. Mulch Plug
17. Fuel Shut-Off Valve
Figure 7 OM1866
GB - 10
OPERATION
CONTROLS AND FEATURES
See Figure 7 for locations.
WARNING: Improper operation can lead to injury. Learn what the controls do and how they work.
Thoroughly read and understand entire Operator Manual.
STOP
CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding.
Engine/Blade Control
START and RUN
CAUTION: Check function of
Engine/Blade Control regularly.
Improper function of control could cause injury.
The engine/blade control must be held against the handlebar to start the engine and blade.
NOTE: Pivot the engine/blade control into position. Do not pull back toward the operator while starting the engine or the wheel drive may engage.
Engine/blade control feature on mower stops engine and blade within 3 seconds whenever operator releases handlebar. Check this feature frequently. If feature fails to operate, disconnect spark plug wire and adjust or have it repaired before using unit.
Recoil Starter Handle
When pulled, handle will turn engine over.
GB - 11
CUTTING HEIGHT ADJUSTMENT
DANGER: Avoid injury from rotating blade.
ALWAYS shut off engine before adjusting cutting height.
CAUTION: Both rear wheels must be set at same height or traction drive may not work properly.
Rear Wheel
P6
Front Wheel
Cutting Height Settings Chart
P1
1
1-1/4
1-1/2
1-3/4
2
2-1/4
2-1/2
2-3/4
3
3-1/4
P1/H1
P2/H2
P3/H2
P3/H3
P4/H4
P5/H4
P5/H5
P6/H6
P1/H4
P2/H4
P2/H5
P3/H6
P4/H6
P4/H7
3-1/2
3-3/4
4
P4/H8
P5/H8
P6/H9
P = Position of the Cutting Height Lever
H = Hole in the Front Axle Bracket
H2
H4
H6
H8
H1
H3
H5
H7
H9
Front Axle
Bracket
Figure 8
Front Wheel
Remove the lock pin from the left front wheel and then remove the wheels and axle from the unit. Install the wheels and axle at the desired cutting height, and then secure them in place with the lock pin.
GB - 12
1
1. Lock Pin
Figure 9
Rear Wheel
To change cutting height, move cutting height levers one notch at a time on each wheel to set desired height.
NOTE: Each wheel on mower must be set at the same height for a level cut.
Cutting Height Range
The rear wheels have two cutting height ranges.
To change the range, support the rear of the unit and then remove the rear wheels.
Remove the mounting hardware from the cutting height adjuster and then turn the adjuster forward or rearward to raise or lower the cutting height range. Replace the mounting hardware and reinstall the rear wheel. See Figure 11.
NOTE: Finger tighten the mounting hardware, install the rear wheel, and then tighten the mounting hardware the rest of the way. The adjuster should move forward and rearward without binding.
Install mounting hardware here for taller cutting height.
Install rear wheel here for shorter cutting height.
Mounting
Hardware
High (P6)
Low (P1)
Install mounting hardware here for shorter cutting height.
Install rear wheel here for taller cutting height.
Figure 11
1. Cutting Height Lever
Figure 10
1
GB - 13
OPTIONAL CONTROLS
Primer Bulb
Push the primer bulb in to add fuel for easier engine start.
Wheel Drive Control (self-propelled models)
Fuel Shutoff Valve
IMPORTANT: The fuel shutoff valve MUST be in the closed position prior to transporting the unit.
Open the fuel shutoff valve to operate the unit. Close the fuel shutoff valve when storing, transporting or servicing the unit.
Fuel shutoff valve open.
CAUTION: Unit will move forward at engine start if wheel drive control is engaged. ALWAYS release wheel drive control before starting unit.
NOTE: Engine must be running for wheel drive to propel unit.
To drive forward:
Slowly pull the wheel drive control toward you until you reach a comfortable ground speed. Hold the wheel drive control in this position to maintain the speed.
To stop:
Release wheel drive control.
Fuel shutoff valve closed.
Figure 12
Speed Control Knob
The speed control knob stops the wheel drive control’s travel which limits the unit’s maximum forward speed.
Turn the speed control knob counterclockwise to increase the unit’s maximum forward speed. Turn the speed control knob clockwise to decrease the unit’s maximum forward speed.
FILLING THE FUEL TANK
To add fuel to fuel tank:
1. Put unit in open or well-ventilated area.
2. Stop engine and allow to cool.
3. Clean fuel cap and surrounding area.
4. Remove cap.
IMPORTANT: See engine manual for correct type and grade of fuel.
5. Fill fuel tank to within 1/4 in. (0.63 cm) below bottom of filler neck with unleaded
gasoline. See SPECIFICATIONS on page 25.
6. Replace fuel cap and tighten.
7. ALWAYS clean any spilled fuel.
MOWER SET-UP
CAUTION: DO NOT operate mower unless either side discharge cover or side discharge deflector is installed. Thrown objects may cause damage or injury. Never operate unit with rear door open unless grass bag is in place.
CAUTION: If clog or obstruction prevents grass flow, release engine/blade control and disconnect spark plug wire before attempting to clear away any clogs.
Figure 13
GB - 14
To Bag
CAUTION: Check grass bag frequently for wear or deterioration.
Replace worn or damaged bag with
Ariens original equipment replacement bag only.
1. Shut off unit.
2. Install side discharge cover (Figure 14).
3. Lift rear door.
4. Hook grass bag frame on mounting flange.
5. Lower rear door.
If necessary, lift rear of grass bag frame to lock in position.
There should be no openings between bag and mounting surface after installing bag. If necessary, clear debris from bag mounting surface.
5. Attach side discharge deflector to studs on mower. Make sure deflector covers discharge opening.
6. Secure with cover hardware from step 4.
Side Discharge
Deflector
Figure 15
To Mulch
1. Shut off unit.
2. Remove grass bag and install side
discharge cover. See Figure 14.
3. Open rear door and insert Mulchmaster plug with the beveled face to the left.
Mulchmaster Plug
Figure 14
Side Discharge
Cover
Grass Bag Removal
1. Shut off unit.
2. Lift rear door.
3. Use handle to lift bag off mounting flange.
4. Close rear door.
NOTE: Empty grass bag and clean mower pan after each use. DO NOT allow grass clumps or a grass coating to collect inside of grass bag or mower pan. Remove grass bag from mower, wash bag with hose and allow to dry.
To Side Discharge
1. Shut off unit.
2. Remove grass bag.
3. Install Mulchmaster plug (Figure 16).
4. Remove side discharge cover and keep hardware.
Figure 16
4. Close rear door.
NOTE: Rear door must close flush.
NOTE: For maximum mulching performance, install the Mulchmaster Mulching Kit. See
Accessories.
GB - 15
EMERGENCY STOPPING
To stop the mower in an emergency:
1. Release the engine/blade control.
2. Release the wheel drive control (selfpropelled models).
3. Allow all moving parts to stop before leaving operator’s position.
STARTING AND SHUT OFF
WARNING: Improper operation can lead to injury. Learn what the controls do and how they work.
Thoroughly read and understand entire Operator Manual.
See Figure 7 for all Controls and Features.
NOTE: Start engine on a level surface that is free of debris.
Manual Start
1. Check each item in the Before Each Use
2. Open fuel shutoff valve.
3. For engines with a primer, push primer bulb 2 or 3 times for a cold engine.
NOTE: It is unnecessary to prime or choke a warm engine.
4. For engines with a throttle, place throttle control in the choke position. Once the engine has started, place throttle in the high speed detent.
5. With engine/blade control held against the handlebar, grasp starter handle and pull rope slowly until it pulls harder. This is the compression stroke. Let rope rewind slowly.
6. Pull rope with rapid continuous full arm stroke to start engine. Allow rope to rewind slowly.
IMPORTANT: DO NOT let starter handle snap against bracket.
7. Repeat steps 4 and 6 until engine starts.
(If engine does not start, see
Shut Off
1. Release wheel drive control and allow unit to stop completely (self-propelled models).
2. Release engine/blade control.
Mowing Tips
Cut grass when it is dry.
Keep mower blades sharp.
Do not set cutting height too low. For tall grass, mow twice.
Do not mow too fast.
Mow with engine at full throttle. Discharge clippings into areas already cut.
Vary cutting pattern with each mowing.
NOTE: To prevent dirt and grass from collecting on mower pan, avoid operating over bare ground with only patches of grass.
Mulching Tips
For best mulching performance, cut no more than 1 inch (2.54 cm) of grass per cutting.
GB - 16
MAINTENANCE
CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding.
CHECK ENGINE/BLADE
CONTROL
The engine and blade must stop within 3 seconds after releasing the control. If the engine and blade continue to run, adjust or repair control immediately.
Ariens Dealers will provide any service, parts or adjustments which may be required to keep your unit operating at peak efficiency.
Should engine require service, contact an
Ariens Dealer or an authorized engine manufacturer's service center.
MAINTENANCE SCHEDULE
NOTE: Some working conditions (heavy loads, high ambient temperatures, dusty conditions, or airborne debris) may require more frequent service.
See engine manual for further maintenance and troubleshooting information.
CHECK WHEEL DRIVE CONTROL
(self-propelled models)
The unit must stop quickly and completely when the control is released. Adjust or repair
if necessary. See WHEEL DRIVE CONTROL
ADJUSTMENT (self-propelled models) on page 21.
CHECK GRASS BAG (if equipped)
Check grass bag frequently for wear or deterioration. Replace worn or damaged bag with Ariens original equipment replacement bag only.
MAINTENANCE
SCHEDULE
25
Service Performed
Before
Each
Use
• Check Engine/Blade
Control
Check Wheel Drive
Control
Check Grass Bag
Clean Unit
Check Engine Oil
Check Mower Blade
Check Drive Belt
Check Fasteners
Check Air Cleaner
Change Engine Oil
•
•
•
•
•
•
•
•
•
•
*
Replace Oil Filter
General Lubrication
Check Spark Plug
Check Engine
Cooling
Check Muffler
Replace
Engine/Blade Control
Cable
100
•
•
•
•
•
**
*
After first 5 Hours of operation.
* *
Replace Engine/Blade Control Cable every 500 Hours of operation.
CLEAN UNIT
Before each use clean unit, muffler and engine surfaces of debris, oil or fuel spills to ensure proper cooling and prevent fires.
CHECK ENGINE OIL
IMPORTANT: Maintain proper oil level at all times or engine damage will result.
Check the level of the engine crankcase oil before each use.
Make sure engine is level when checking oil.
See engine manual for instructions.
CHECK MOWER BLADE
See Figure 17.
Check blade mounting: blade must be secure and bolt torqued to 37.5 - 50 lbf-ft
(51-68 N•m) (bolt should fully compress lock washer).
Check blade for nicks and dull cutting edges.
Sharpen if necessary.
Check blade for rounded or broken ends, thinned metal or other damage. Replace if necessary.
NOTE: Blades should be sharpened and balanced professionally. Contact your Ariens
Dealer.
To remove blade:
1. Stop engine, wait for all moving parts to stop, and disconnect spark plug wire.
2. Block blade to prevent rotation.
GB - 17
3. Remove bolt, lock washer, flat washer and blade from shaft.
To install blade:
1. Replace blade, flat washer, lock washer and bolt on shaft.
2. Torque bolt to 37.5 - 50 lbf-ft
(51-68 N•m) (bolt should fully compress lock washer).
3. Connect spark plug wire.
Sharpen the Mower Blades
CAUTION: DO NOT sharpen mower blades while on unit. An imbalanced mower blade will cause excessive vibration and eventual damage to unit. Check mower blade balance before reinstalling blades.
NEVER weld or straighten bent blades.
1. Remove mower blade from unit.
Discard mower blade if:
• More than 1/2 in. (1.27 cm) of metal is removed.
• Air lifts become eroded.
• Blade is bent or broken.
2. Sharpen mower blade by removing an equal amount of material from each end of mower blade. DO NOT change angle of cutting edge or round the corner of the mower blade.
3
1
DO NOT Sharpen to This Pattern
2
DISCARD If More
Than 1/2 in. (1.27 cm)
2
4
3
Sharpen to This Pattern
1. Square Corner
2. Cutting Edge
3. Air Lift
4. Air Lift Erosion
OT0792
Figure 17
3. Check mower blade balance.
Slide mower blade on an unthreaded bolt. A balanced blade should remain in a horizontal position. If either end of mower blade moves downward, sharpen the heavy end until blade is balanced
(Figure 18).
4. Install mower blade on unit.
5. Tighten the bolts to a torque of 37.5 -
50 lbf-ft (51-68 N•m).
Blade
Bolt
Figure 18
OA0013
GB - 18
CHECK DRIVE BELT
(selfpropelled models)
Check drive belt and replace if worn or
REPLACEMENT (self-propelled models) on page 20.
CHECK FASTENERS
Check all fasteners for proper tightness. Pay special attention to blade hardware and all guards, shields and safety devices.
CHECK AIR CLEANER
See engine manual for specific information.
CHANGE ENGINE OIL
IMPORTANT: Change engine crankcase oil after first five (5) hours of operation. Then change oil after every 25 hours of operation.
Refer to engine manual for instructions and proper oil type.
IMPORTANT: Proper oil level must be maintained at all times or engine damage will result. DO NOT overfill. Be sure engine is level when adding oil.
REPLACE OIL FILTER (Kawasaki
Engines)
Replace oil filter every 100 hours of use or every season.
1. Change engine oil.
2. Clean around filter.
3. Turn filter counterclockwise to remove
(Figure 19).
4. Apply a thin coat of oil onto seal of new filter.
5. Install new filter and hand tighten securely.
GENERAL LUBRICATION
NOTE: The mower transmission is lubricated and sealed at the factory. It should need no routine lubrication. If the transmission leaks grease, bring the mower to your local Ariens dealer for repair.
CHECK SPARK PLUG
Spark plug should be replaced every 100 hours of operation or each year.
NOTE: Loose spark plug wire terminals can cause sparking. Replace terminal if damaged.
CHECK ENGINE COOLING
WARNING: HOT SURFACES can cause death or serious injury. DO
NOT TOUCH parts which are hot from operation. ALWAYS allow parts to cool.
To prevent overheating, air must circulate freely around the cooling fins, cylinder head and block.
Every 100 hours of operation or yearly (more often if conditions require) remove blower housing and clean cooling fins. See engine manual for instructions.
CHECK MUFFLER
Check muffler for debris, cracks, wear, or other damage.
CAUTION: Replace worn-out mufflers immediately. Continued use could result in fire or explosion.
REPLACE ENGINE/BLADE
CONTROL CABLE
Every 500 hours of operation, have your authorized Ariens dealer replace the
Engine/Blade Control Cable on your mower.
Figure 19
GB - 19
SERVICE AND ADJUSTMENTS
1
CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding.
SERVICE POSITION
Put unit into service position for easy access to underneath the deck.
CAUTION: Avoid fuel spills. Follow steps below to help prevent fuel spills. If fuel leaks into air cleaner, replace air cleaner. ALWAYS clean up any spilled fuel.
1. Place unit on a flat, level surface.
2. Disconnect spark plug wire from spark plug.
3. Remove fuel cap, place a piece of plastic bag over the opening and tighten cap securely.
4. Tip unit onto right side.
Make sure unit is secure and will not tip over.
IMPORTANT: Remove plastic from fuel cap after unit is upright and service is complete.
DRIVE BELT REPLACEMENT
(self-propelled models)
To remove drive belt:
1. Disconnect spark plug wire from spark plug.
2. Remove transmission cover.
3. Disconnect idler return spring from idler
4. Disconnect the wheel drive cable from transmission mount, and then disconnect drive cable spring from idler arm.
5. Remove belt from transmission input pulley and transmission idlers, and then push the belt out through the belt channel.
6. Put the unit in the service position. See
SERVICE POSITION on page 20.
7. Remove blade and blade adapter from the crank shaft.
8. Remove the belt from the engine pulley, and then pull the belt through the belt channel. See Figure 21.
1. Belt
2. Transmission
Input Pulley
3. Idler Return
Spring
Figure 20
3
4. Wheel drive cable
5. Drive Cable
Spring
6. Idler Arm
2
1. Drive Belt
2. Engine Pulley
3. Belt Channel
Figure 21
Blade and Blade Adapter Shown
Removed for Clarity of Photograph
1
3
GB - 20
To install the drive belt:
IMPORTANT: Be sure the belt seats in idler and pulley grooves with the idler touching the back (flat) side of belt.
1. Install the new belt on the transmission input pulley and idlers, route it through the belt channel, and then install the belt
on the engine pulley. See Figure 22.
Note belt routing around idlers.
Figure 22
2. Connect the wheel drive cable spring to
the idler arm as shown in Figure 23, and
then connect the wheel drive cable to
the transmission mount. See Figure 20.
Figure 23
Push belt through belt channel and install it on the engine pulley.
3. Connect the idler return spring to the idler arm.
4. Install the blade adapter and blade on the crankshaft. Make sure the blade hardware is tightened to the proper torque. See To install blade: on page 18.
5. Replace the transmission cover.
6. Connect spark plug wire to the spark plug.
ENGINE/BLADE CONTROL
ADJUSTMENT
NOTE: The engine/blade control has no user serviceable adjustments. If the engine/blade control does not stop the engine or blade within 3 seconds of releasing the control bail, take the unit to an authorized Ariens dealer for repairs.
WHEEL DRIVE CONTROL
ADJUSTMENT
(self-propelled models)
NOTE: The unit should stop immediately when the wheel drive control is released, and the unit should not creep forward when the wheel drive control is disengaged with the engine running. The unit’s forward speed should increase as the wheel drive control gets closer to the handlebar.
If the unit creeps, decrease traction and speed. If the unit does not accelerate smoothly or seems to slip under load, increase the traction and speed.
NOTE: Before adjusting the wheel drive cable, first make sure the area around the drive components is free of dirt or debris that could prevent the transmission from engaging or disengaging properly, and then make sure the return spring is connected properly to idler arm.
Adjust the wheel drive by adjusting the cable on the handlebar.
IMPORTANT: DO NOT adjust the cable so the transmission does not return to neutral and stop the unit when the control bail is released.
Check the adjustment
1. Start the engine and slowly squeeze the wheel drive control against the handlebar and then release the wheel drive control.
2. The unit should move forward as you squeeze the wheel drive control and then stop immediately and not "creep" slowly forward when you release it.
GB - 21
To adjust:
1. Move the wheel drive cable adjuster up
or down the handlebar. See Figure 24.
To increase traction and speed, move the cable adjuster down the handlebar.
To decrease traction and speed, move the cable adjuster up the handlebar.
2. Check the adjustment and readjust as needed.
Cable Adjuster
Figure 24
STORAGE
CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding.
IMPORTANT: NEVER spray unit with highpressure water or store unit outdoors. Store mower in a cool, dry, protected location.
Cleaning
Allow unit to cool. Clean unit thoroughly with mild soap and low pressure water. Brush off dirt and debris from all surfaces. Touch up all scratched surfaces to prevent rust. Matching touch-up paint is available from your Ariens
Dealer. Do not use abrasives, solvents, or harsh cleaners.
Inspection
Inspect mower and repair or replace worn or damaged parts to avoid delays when beginning use again.
Regularly check all hardware and keep fasteners tight. Know unit is in safe working condition.
Grass Bag
Wash out grass bag and allow to dry before storage. Grass bag may be stored in position on mower.
Engine
Close fuel shutoff valve.
When storing unit for extended periods of time, remove all fuel from tank and carburetor
(run dry). Refer to engine manual.
GB - 22
TROUBLESHOOTING
PROBLEM
Engine will not start
PROBABLE CAUSE
1. Fuel tank empty or low.
2. Fuel shutoff valve closed.
3. Spark plug wire loose or off.
4. Engine/Blade control cable detached, broken, or not adjusted properly.
1. Mower clogged with grass.
Engine is difficult to restart
Cut is poor
1. Worn blade.
CORRECTION
1. Check fuel level. Fill tank if necessary.
2. Open fuel shutoff valve.
3. Check connection.
4. Check cable. Adjust, repair or replace as necessary.
Grass does not disperse evenly
Mower does not bag clippings
Wheel drive does not engage (Self-
Propelled models)
2. Too much grass is being removed per cutting.
3. Grass is too wet.
4. Mowing speed is too fast.
1. Too much grass is being removed per cutting.
2. Grass is too wet.
3. Mowing speed is too fast.
1. Grass bag is overfilled.
2. Mulching plug is installed.
1. Wheel drive control not engaged.
2. Drive belt out of position.
3. Drive belt worn or damaged.
4. Wheel drive control cable detached or broken.
5. Bearings damaged.
6. Debris in gear set.
7. Drive seems to slip or speed is too slow.
1. Clear clippings from under mower. (Allow the mower to clear clippings before shutting off engine.)
1. Check blade (see CHECK
MOWER BLADE on page 17).
2. Raise cutting height.
3. Allow grass to dry.
4. Mow slower.
1. Raise cutting height.
2. Allow grass to dry.
3. Mow slower.
1. Empty grass bag and do not allow it to overfill.
2. Remove mulching plug.
1. Engage wheel drive control.
2. Check drive belt. Adjust as
4. Check wheel drive control cable. Adjust or replace as
(self-propelled models) on page 17.
5. Contact your Dealer.
6. Contact your Dealer.
(self-propelled models) on page 21.
GB - 23
SERVICE PARTS
Always use genuine Ariens parts to keep your mower running like new.
Description Part Number
Air Filter 21541000
Spark Plug 21540800
Oil Filter 21540900
Blade
Drive Belt
01137000
07200114
ACCESSORIES
See your authorized Ariens Dealer to add these optional accessories.
71103500 Mulching Kit
71103700 Leaf Shredder Kit
GB - 24
Model Number
Description
Length - in. (cm)
Height - in. (cm)
Width - in. (cm)
Actual Weight - lbs (kg)
Cutting Width- in. (cm)
Cutting Height - in. (cm)
Engine, 4 cycle
Model
Engine Power - HP (kW) @
Max. RPM
Max Rotation Speed of
Cutting Edge - RPM (min
-1
)
Governed RPM (May be different from maximum rpm.)
SPECIFICATIONS
911207
Pro21XD
62.5 (158.8)
40.6 (103.1)
23.5 (60.0)
135 (61.2)
21 (53.3)
1 – 4
(2.5 – 10.4)
Kawasaki
FJ180V
6.0 (4.5)
3,300
3,200 ± 100
10.9 (179)
Displacement Cu. In. (cc)
Cylinder Bore
Engine Oil Type
Crank Case Capacity - Oz.
(Liter)
Oil System
Engine Oil Filter
Spark Plug Gap - in. (mm)
Fuel Type
Fuel Tank Capacity - qt
(Liter)
Primer Bulb
Throttle
Air Cleaner
Starting
Variable Speeds - MPH
(km/hr)
Mower Deck
Front Wheel Dia - in. (cm)
Rear Wheel Dia - in. (cm)
Aluminum
See engine manual.
20 (0.59)
Splash
Yes
See engine manual.
Unleaded
2.1 (2.0)
Standard
NA
Paper Element
Recoil
0 – 4 (0 – 6.4)
911214
Pro21XDCARB
62.5 (158.8)
40.6 (103.1)
23.5 (60.0)
135 (61.2)
21 (53.3)
1 – 4
(2.5 – 10.4)
Kawasaki
FJ180V
6.0 (4.5)
3,300
3,200 ± 100
10.9 (179)
Aluminum
See engine manual.
20 (0.59)
Splash
Yes
See engine manual.
Unleaded
2.1 (2.0)
Standard
NA
Paper Element
Recoil
0 – 4 (0 – 6.4)
14 Gauge - Stamped Steel 14 Gauge - Stamped Steel
8.25 (20.9) 8.25 (20.9)
8.25 (20.9) 8.25 (20.9)
GB - 25
Ariens Limited
Warranties
2-Year Limited Lawn and Garden
Consumer Warranty
Ariens Company (Ariens) warrants to the
original purchaser that Ariens and Gravely brand consumer products manufactured by
Ariens Company will be free from defects in material and workmanship for a period of two (2) years after the date of purchase, and that Ariens will repair any defect in material or workmanship, and repair or replace any defective part, subject to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be free of charge to the original purchaser (labor and parts), except as noted below.
The two-year duration of this warranty applies only if the product is put to ordinary, reasonable, and usual personal, family, or household uses. If the product is put to any business, commercial, or industrial use such as, but not limited to, commercial landscaping, mowing or snow removal services, or golf course or park maintenance, or agricultural or farmstead use, then the duration of this warranty is ninety (90) days after the date of purchase, or one (1) year after the date of purchase if the product is labeled as a Professional/Commercial Product.
The duration of this warranty shall be ninety (90) days after the date of purchase if any product is rented or leased.
2-Year Limited Lawn and Garden
Commercial Warranty
The Ariens Company (Ariens) warrants to the
original purchaser that all Gravely Pro and
ProMaster products manufactured by Ariens will be free from defects in material and workmanship for a period of two (2) years after the date of purchase or 1000 hours of use, whichever comes first. An authorized Gravely dealer will repair any defect in material or workmanship, and repair or replace any defective part, subject to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be free of charge to the original purchaser (labor and parts), except as noted below.
The duration of this warranty shall be ninety
(90) days after the date of purchase or 1000 hours of use, whichever comes first, if any product is rented or leased.
3-Year Limited Sno-Thro Warranty
Ariens Company (Ariens) warrants to the
original purchaser that Sno-Thro products manufactured by Ariens Company will be free from defects in material and workmanship for a period of three (3) years after the date of purchase, and will repair any defect in material or workmanship, and repair or replace any defective part, subject to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be free of charge to the original purchaser (labor and parts), except as noted below.
The three-year duration of this warranty applies only if the product is put to ordinary, reasonable, and usual personal, family, or household uses. If the product is put to any business, commercial, or industrial use, then the duration of this warranty is ninety (90) days after the date of purchase, or one (1) year after the date of purchase if the product is labeled as a
Professional/Commercial Product. The duration of this warranty shall be ninety (90) days after the date of purchase if any product is rented or leased.
DURA-CLEAN™ Auger Limited
Lifetime Warranty
Ariens Company (Ariens) warrants to the
original purchaser that the rubber components of the DURA-CLEAN™ Auger manufactured by
Ariens Company will be free from defects in material and workmanship and will not wear out for the life of the Sno-Thro, except as noted below.
Ariens Company will provide for the replacement of any of the rubber components of the DURA-CLEAN™ Auger found upon examination by the Ariens Company to be defective or worn out. Replacements will be supplied free of charge. Labor is not included after two (2) years from the date of purchase of the Sno-Thro.
The lifetime limited warranty shall apply if the product is put to ordinary, reasonable, and usual personal household use. If the product is put to any business, commercial, industrial, rental, or leased use, the warranty shall be against defects in material and workmanship for ninety (90) days following the date of purchase.
Ariens Company • 655 W. Ryan St, P.O. Box 157 •
Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com
ALW2-62905
Exceptions, Limitations, Exclusions
These warranties are subject to the following conditions, limitations, and exclusions:
To obtain warranty service, the following conditions must be met:
• The purchaser must perform the maintenance and minor adjustments explained in the owner’s manual.
• The purchaser must promptly notify Ariens
Company or an authorized Ariens service representative of the need for warranty service.
• The purchaser must transport the product to and from the place of warranty service.
• Warranty service must be performed by a respective Ariens or Gravely authorized service representative.
• To find an Ariens or Gravely authorized service representative, contact Ariens at: limitations:
655 W. Ryan St, P.O. Box 157
Brillion, WI 54110-0157
(920) 756 - 2141 www.ariens.com
www.gravely.com
This warranty is subject to the following
• Genuine Ariens or Gravely brand service parts and accessories not purchased with the product covered by this warranty, but which are later purchased and used with that product, are warranted to be free from defects in material and workmanship for a period of ninety (90) days after date of purchase, and Ariens Company will repair or replace any such part or accessory free of charge, except for labor, during that period.
• Batteries are warranted only for a period of twelve (12) months after date of purchase, on a prorated basis. For the first ninety (90) days of the warranty period, a defective battery will be replaced free of charge. If the applicable warranty period is more than
90 days, Ariens Company will cover the prorated cost of any defective battery, for up to twelve (12) months after the date of purchase.
The following items are excluded from this warranty:
• Engines and enty and are not covered by this warranty.
• Hydro-Gear transmissions and/or
Hydro-Gear drive components are covered only by the Hydro-Gear warranty and are not covered by this warranty.
• Parts that are not genuine Ariens or
Gravely brand service parts are not covered by this warranty.
• Except as specifically warranted, normal maintenance, services, and normal replacement items, such as spark plugs, oil, oil filters, air filters, mufflers, belts, tires, shoes, runners, scraper blades, shear bolts, mower blades, mower vanes, headlights, light bulbs, knives, etc. are not covered by this warranty except as noted below.
• Mufflers, belts, and tires on consumer lawn and garden products are warranted to the
original purchaser for two years.
• Friction discs, idlers, cables, and electrical components on Sno-Thros put to usual personal household use are warranted to the original purchaser for two years.
• Any defect which is the result of misuse, alteration, improper assembly, improper adjustment, neglect, or accident is not covered by this warranty.
This warranty applies only to products purchased in the United States (including Puerto
Rico) and Canada. In all other countries, contact place of purchase for warranty information.
Ariens may from time to time change the design of its products. Nothing contained in this warranty shall be construed as obligating Ariens to incorporate such design changes into previously manufactured products, nor shall such changes be construed as an admission that previous designs were defective.
LIMITATION OF REMEDY AND
DAMAGES
Ariens Company’s liability under this warranty, and under any implied warranty that may exist, is limited to repair of any defect in workmanship, and repair or replacement of any defective part.
Ariens Company shall not be liable for incidental, special, or consequential damages (including lost profits). Some states do not allow the exclusion of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
DISCLAIMER OF FURTHER
WARRANTY
Ariens Company makes no warranty, express or implied, other than what is expressly made in this warranty. If the law of your state provides that an implied warranty of merchantability, or an implied warranty of fitness for particular purpose, or any other implied warranty, applies to Ariens
Company, then any such implied warranty is limited to the duration of this warranty. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Ariens Company • 655 W. Ryan St, P.O. Box 157 •
Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com
ALW2-62905
Ariens Company
655 West Ryan Street
P.O. Box 157
Brillion, WI 54110-0157
920-756-2141
Fax 920-756-2407 www.ariens.com
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