Ariens 911250 – Pro21 Owner's/Operator's Manual

Walk behind lawn mower

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Manual (32 pages)

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Page 1 Walk Behind Lawn Mower Owner/Operator Manual Models 911250 – Pro21 911252 – Pro21 911254 – Pro21 CARB 01283600B 1/08 ENGLISH Printed in USA...
Page 2: Table Of Contents
English may be obtained from completely read your manuals. The contents your Dealer. Visit your dealer or will give you an understanding of safety www.ariens.com for a list of instructions and controls during normal languages available for your operation and maintenance.
Page 3: Product Registration
• Record Engine Model & Serial numbers 2. Fill out Original Purchaser Registration here: Card and return the card to Ariens. 3. Explain Ariens Limited Warranty Policy. 4. Explain recommended lubrication and maintenance. Advise customer on adjustments. Remind customer to...
Page 4: Safety
SAFETY CAUTION: POTENTIALLY WARNING: This cutting machine HAZARDOUS SITUATION! If not is capable of amputating hands avoided, MAY RESULT in minor and feet and throwing objects. or moderate injury. It may also be Failure to observe the safety used to alert against unsafe instructions in the manuals and on practices.
Page 5: Safety Decals And Locations
SAFETY DECALS AND Keep safety devices LOCATIONS (guards, shields, switches, etc.) in place and working. ALWAYS replace missing or damaged safety decals. Refer to Figure 2 for safety decal locations. OL3030 • Go across slopes, not up and down. • Look down and behind before and while moving...
Page 6 Complete a walk around inspection of unit ALWAYS stand clear of discharge when and work area to understand: operating unit. • work area NEVER direct discharge toward bystanders. • your unit Operator is responsible for bystander safety. • all safety decals. DO NOT touch hot parts.
Page 7 A spark arrestor, if used, must be maintained in effective working order NO flames, NO sparks, NO smoking, near by the operator. See your Ariens Dealer or battery. engine manufacturer’s service center. Poisonous battery fluid contains sulfuric acid.
Page 8 Check all hardware at regular intervals, Use only accessories which have been especially blade attachment bolts. Keep all approved by Ariens and are properly hardware properly tightened. installed. An extension spring, when extended, stores Use only accessories or attachments that are energy and can be dangerous.
Page 9: Assembly
ASSEMBLY CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding. CARTON CONTENTS 1. Mounting Hardware 2. Handlebar 3. Brace 4. Handlebar Bracket Figure 4 NOTE: Make sure the cables (connected to the handlebar) are on the left side of the unit and that the cable routing clips do not crimp or kink the cables at the top of the handlebar.
Page 10 3. Connect the engine/blade control cable 4. Fill engine crankcase with oil. See to the engine. engine manual. Route the z-bend cable end into engine 5. Set-up mower for bagging, side discharge or mulching. See MOWER shutoff lever as shown below. SET-UP on page 15.
Page 11: Controls And Features
CONTROLS AND FEATURES 18 (911252) 18 (911250, 254) OM3155 Figure 7 1. Handlebars 10. Muffler and Muffler Guard 2. Wheel Drive Control 11. Mulch Cover 3. Engine/Blade Control 12. Cutting Height Levers 4. Throttle 13. Grass Bag 5. Oil Fill/Dipstick 14.
Page 12: Operation
OPERATION CONTROLS AND FEATURES CUTTING HEIGHT ADJUSTMENT See Figure 7 for locations. DANGER: Avoid injury from rotating blade. WARNING: Improper operation ALWAYS shut off engine before can lead to injury. Learn what the adjusting cutting height. controls do and how they work. Thoroughly read and understand entire Operator Manual.
Page 13 Rear Wheel Front Wheel 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.
Page 14 Cutting Height Range Wheel Drive Control The rear wheels have two cutting height ranges. CAUTION: Unit will move forward at engine start if wheel drive To change the range, support the rear of the control is engaged. ALWAYS unit and then remove the rear wheels. release wheel drive control before Remove the mounting hardware from the starting unit.
Page 15: Filling The Fuel Tank
CAUTION: Check grass bag frequently for wear or 2.Fast. deterioration. Replace worn or 3.Slow - Pull lever all the way damaged bag with Ariens original rearward. equipment replacement bag only. 1. Shut off unit. 2. Remove Mulchmaster plug (Figure 15).
Page 16: Emergency Stopping
To Mulch 1. Shut off unit. 2. Remove grass bag and install side discharge cover. See Figure 13. 3. Open rear door and insert Mulchmaster plug with the beveled face to the left. Mulchmaster Plug Side Discharge Cover Figure 13 Grass Bag Removal 1.
Page 17: Mowing Tips
STARTING AND SHUT OFF Shut Off 1. Release wheel drive control and allow unit to stop completely (self-propelled WARNING: Improper operation models). can lead to injury. Learn what the 2. Release engine/blade control. controls do and how they work. Thoroughly read and understand MOWING TIPS entire Operator Manual.
Page 18: Maintenance
Safety SCHEDULE section before proceeding. Service Performed Before Each Ariens Dealers will provide any service, parts or adjustments which may be required to Check Engine/Blade • keep your unit operating at peak efficiency. Control Should engine require service, contact an...
Page 19: Check Wheel Drive Control
Check grass bag frequently for wear or 1. Remove mower blade from unit. deterioration. Replace worn or damaged bag Discard mower blade if: with Ariens original equipment replacement bag only. • More than 1/2 in. (1.27 cm) of metal is removed.
Page 20: General Lubrication
It should need no damaged. See DRIVE BELT routine lubrication. If the transmission leaks REPLACEMENT (self-propelled models) on grease, bring the mower to your local Ariens page 21. dealer for repair. CHECK SPARK PLUG CHECK FASTENERS Spark plug should be replaced every 100 Check all fasteners for proper tightness.
Page 21: Service And Adjustments
CONTROL CABLE Check muffler for debris, cracks, wear, or other damage. Every 500 hours of operation, have your authorized Ariens dealer replace the Engine/Blade Control Cable on your mower. CAUTION: Replace worn-out mufflers immediately. Continued use could result in fire or explosion.
Page 22 Note belt routing around idlers and belt fingers. Push belt through belt channel and install it on the engine pulley. 1. Drive Belt 2. Engine Pulley 3. Bent Belt Finger 4. Belt Channel Figure 20 Figure 21 To install the drive belt: 3.
Page 23: Wheel Drive Control
3 seconds of releasing the control bail, To adjust: take the unit to an authorized Ariens dealer 1. Move the wheel drive cable adjuster up for repairs. or down the handlebar. See Figure 23.
Page 24: Storage
1. Add fuel stabilizer according to scratched surfaces to prevent rust. Matching manufacturer’s instructions. touch-up paint is available from your Ariens 2. Run engine for at least 10 minutes after Dealer. Do not use abrasives, solvents, or adding stabilizer to allow it to reach the harsh cleaners.
Page 25: Troubleshooting
TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION Engine will 1. Fuel tank empty or low. 1. Check fuel level. Fill tank if necessary. not start 2. Fuel shutoff valve closed. 2. Open fuel shutoff valve. 3. Spark plug wire loose or off. 3.
Page 26: Service Parts
SERVICE PARTS ACCESSORIES Always use genuine Ariens parts to keep See your authorized Ariens Dealer to add your mower running like new. these optional accessories. 71103500 Mulching Kit Description Part Number 71103700 Leaf Shredder Kit Air Filter 21541000 (911252) Air Filter...
Page 27: Specifications
SPECIFICATIONS Model Number 911250 911252 911254 Description Pro21 Pro21 Pro21 CARB Length - in. (cm) 62.5 (158.8) Height - in. (cm) 40.6 (103.1) Width - in. (cm) 23.5 (54.6) Actual Weight - lbs (kg) 126 (57.1) 129 (58.5) 126 (57.1) Cutting Width- in.
Page 28 Genuine Ariens or Gravely brand service parts and accessories are warranted to be free from defects in material and workmanship for a period of 90 days after the date of purchase. An authorized Ariens or Gravely dealer will repair or replace any such part or accessory free of charge, except for labor, during that period.
Page 29: Warranty
Canada. In all other countries, contact place of purchase for warranty information. Disclaimer 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.
Page 30 Ariens Company 655 West Ryan Street Brillion, WI 54110-1072 920-756-2141 Fax 920-756-2407 www.ariens.com...

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911254 – pro21 carb 911252 – pro21 911250 911252 911254 Pro21 carb