Page 2 - TABLE OF CONTENTS
GB - 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Assembly . . . . . . . . . . . . . . . . . . . . . . . . 9 Controls and Features . . . . . . . . . . . . 11 Operation . . . . . . . . . . . . . . . . . . . . . . . 12 Maintenance. . . . . . . . . . . . . . . . . . . . . 18 Service...
Page 3 - DISCLAIMER
GB - 3 • Record Unit Model and Serial numbers here: • 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 ...
Page 4 - SAFETY ALERTS; Personal Safety Is Involved!; NOTATIONS; SAFETY
GB - 4 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 messag...
Page 5 - TO AVOID SERIOUS INJURY OR DEATH; SAFETY RULES
GB - 5 SAFETY DECALS AND LOCATIONS ALWAYS replace missing or damaged safety decals. Refer to Figure 2 for safety decal locations. 1. DANGER! TO AVOID SERIOUS INJURY OR DEATH 2. DANGER! KEEP HANDS AND FEET AWAYDo not operate mower unless guards are in operating position or bagger is attached. 3. CAUT...
Page 9 - Figure 4; ASSEMBLY
GB - 9 CARTON CONTENTS 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 and that the cable rout...
Page 11 - CONTROLS AND FEATURES
GB - 11 1. Handlebars2. Wheel Drive Control 3. Engine/Blade Control 4. Throttle5. Oil Fill/Dipstick6. Fuel Tank and Cap7. Air Filter8. Primer Bulb 9. Lock Pin 10. Muffler and Muffler Guard 11. Mulch Cover 12. Cutting Height Levers 13. Grass Bag14. Rear Door15. Recoil Starter Handle16. Side Discharge...
Page 12 - Recoil Starter Handle; CUTTING HEIGHT ADJUSTMENT; OPERATION; STOP; CUTTING HEIGHT; P = Position of the Cutting Height Lever
GB - 12 CONTROLS AND FEATURES See Figure 7 for locations. Engine/Blade Control The engine/blade control must be held against the handlebar to start the engine and blade. Engine/blade control feature on mower stops engine and blade within 3 seconds whenever operator releases handlebar. Check this fea...
Page 13 - Rear Wheel
GB - 13 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. Rear Wheel To change cutting height, move cutting height levers one notch a...
Page 14 - Cutting Height Range; OPTIONAL CONTROLS; Primer Bulb; Fuel Shutoff Valve
GB - 14 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 h...
Page 15 - FILLING THE FUEL TANK; To Bag
GB - 15 911252 Fuel shutoff valve open. Fuel shutoff valve closed. Throttle (911250, 254) The throttle controls the engine speed and chokes engine for starting. 1.Start - Push lever all the way forward.2.Fast.3.Slow - Pull lever all the way rearward. FILLING THE FUEL TANK To add fuel to fuel tank: 1...
Page 16 - EMERGENCY STOPPING
GB - 16 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 m...
Page 17 - STARTING AND SHUT OFF; Manual Start; MOWING TIPS; Mulching Tips
GB - 17 STARTING AND SHUT OFF 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 section of the MAINTENANCE SCHEDULE on page 18. 2. Open fuel shutoff valve.3. For engines with a primer, push...
Page 18 - MAINTENANCE SCHEDULE; MAINTENANCE
GB - 18 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 condition...
Page 19 - Sharpen the Mower Blades
GB - 19 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 23. CHECK GRASS BAG (IF EQUIPPED) Check grass bag frequently for wear or...
Page 21 - To remove drive belt:; SERVICE AND ADJUSTMENTS
GB - 21 CHECK MUFFLER Check muffler for debris, cracks, wear, or other damage. REPLACE ENGINE/BLADE CONTROL CABLE Every 500 hours of operation, have your authorized Ariens dealer replace the Engine/Blade Control Cable on your mower. SERVICE POSITION Put unit into service position for easy access to ...
Page 22 - To install the drive belt:
GB - 22 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 pulle...
Page 23 - Check the adjustment
GB - 23 8. Replace the transmission cover.9. 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, ta...
Page 24 - STORAGE
GB - 24 IMPORTANT: NEVER spray unit with high-pressure 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 ...
Page 25 - TROUBLESHOOTING; PROBLEM
GB - 25 TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION Engine will not start 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. Check fuel level. Fill tank if necessary. 2. Open fuel ...
Page 27 - SPECIFICATIONS
GB - 27 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. (cm) 21 (53.3) 21 (53.3) 21 (53.3) Cutti...
Page 28 - Two-Year Limited Lawn and
ARIENS COMPANY GRAVELY ® | STENS ® | LOCKE ® | NATIONAL ® | BYNORM ® | EVERRIDE ® | GREAT DANE ® Con_Walk_200829 Two-Year Limited Lawn and Garden Walk Behind Warranty This warranty statement applies only to 21-Inch Walk Behind Lawn Mowers, Wide Area Walks, Super Striper Mowers, and Power Brushes Ari...
Page 29 - Exclusions – Items Not Covered by This Warranty
ARIENS COMPANY GRAVELY ® | STENS ® | LOCKE ® | NATIONAL ® | BYNORM ® | EVERRIDE ® | GREAT DANE ® Con_Walk_200830 Exclusions – Items Not Covered by This Warranty • Engines and engine accessories are covered only by the engine manufacturer’s warranty and are not covered by this warranty. • Parts that ...
