Page 2 - TABLE OF CONTENTS
GB - 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Assembly . . . . . . . . . . . . . . . . . . . . . . . . 9 Controls and Features . . . . . . . . . . . . 10 Operation . . . . . . . . . . . . . . . . . . . . . . . 11 Maintenance. . . . . . . . . . . . . . . . . . . . . 15 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 - 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 10 - CONTROLS AND FEATURES
GB - 10 3. Check the level of the engine crankcase oil before each use. NOTE: The engine is shipped with oil in crankcase. Refer to Engine Manual for detailed instructions. 4. Set-up mower for bagging, side discharge or mulching. See MOWER SET-UP on page 13. NOTE: The mower ships with the rear wheel...
Page 11 - Recoil Starter Handle; CUTTING HEIGHT ADJUSTMENT; OPERATION; STOP; CUTTING HEIGHT CHART; Position
GB - 11 CONTROLS AND FEATURES See Figure 6 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 12 - Front and Rear Wheels; OPTIONAL CONTROLS; Primer Bulb; FILLING THE FUEL TANK; Rear Wheel
GB - 12 Front and Rear Wheels To change cutting height, move cutting height levers one notch at a time on each wheel to set desired height (Figure 7). NOTE: Each wheel on mower must be set at the same height for a level cut. OPTIONAL CONTROLS Primer Bulb Push the primer bulb in to add fuel for easie...
Page 13 - Fuel Stabilizer; To Bag
GB - 13 IMPORTANT: Excessively oxygenated or reformulated fuels (fuels blended with alcohols or ethers) can damage the fuel system or cause performance problems. If any undesirable operating problems occur, use a gasoline with a lower percentage of alcohol or ether. Fuel Stabilizer Gasoline left in ...
Page 14 - EMERGENCY STOPPING; Manual Start
GB - 14 To Side Discharge 1. Shut off unit.2. Remove grass bag.3. Install Mulchmaster plug (Figure 11).4. Remove side discharge cover and keep hardware. 5. Attach side discharge deflector to studs on mower. Make sure deflector covers discharge opening. 6. Secure with cover hardware from step 4. To M...
Page 15 - Shut Off; MOWING TIPS; Mulching Tips; MAINTENANCE SCHEDULE; MAINTENANCE
GB - 15 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 engin...
Page 16 - Sharpen the Mower Blades
GB - 16 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. See ENGINE/BLADE CONTROL ADJUSTMENT on page 21. CHECK WHEEL DRIVE CONTROL (self-propelled models) The unit mu...
Page 17 - CHANGE ENGINE OIL
GB - 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 13). 4. Install mower blade on unit. 5. Tighten the bolts to a to...
Page 18 - REPLACE OIL FILTER; GENERAL LUBRICATION
GB - 18 REPLACE OIL FILTER 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 14). 4. Apply a thin coat of oil onto seal of new filter. 5. Install new filter and hand tighten securely. GENERAL LUBRI...
Page 19 - To remove drive belt:; SERVICE AND ADJUSTMENTS
GB - 19 SERVICE POSITION Put unit into service position for easy access to underneath the deck. 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 sid...
Page 20 - To install the drive belt:
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 pulle...
Page 22 - Check the adjustment; Cleaning; STORAGE
GB - 22 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 dri...
Page 23 - FUEL SYSTEM; TROUBLESHOOTING; PROBLEM
GB - 23 FUEL SYSTEM Gasoline left in the fuel system for extended periods without a stabilizer will deteriorate, resulting in gum deposits in the system. These deposits can damage the carburetor and the fuel hoses, filter and tank. Prevent deposits from forming in the fuel system during storage by a...
Page 24 - SERVICE PARTS
GB - 24 Wheel drive does not engage (Self-Propelled models) 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 belt slips. 1. Engage wheel drive control....
Page 25 - SPECIFICATIONS
GB - 25 SPECIFICATIONS Model Number 911271 Description Pro21 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) 125 (57.0) Cutting Width- in. (cm) 21 (53.3) Cutting Height - in. (cm) 1.5 – 3.63 (3.8 – 9.2) Engine, 4 cycle Kawasaki Mode...
Page 26 - Two-Year Limited Lawn
ARIENS COMPANY GRAVELY ® | STENS ® | LOCKE ® | NATIONAL ® | BYNORM ® | EVERRIDE ® | GREAT DANE ® Con_L&G_2010 27 Two-Year Limited Lawn and Garden Warranty This warranty statement applies only to 21-Inch Walk Behind Lawn Mowers, Wide Area Walks, AMP Wide Area Walks, Tillers, String Trimmers, Log ...
Page 27 - Exclusions – Items Not Covered by This Warranty
ARIENS COMPANY GRAVELY ® | STENS ® | LOCKE ® | NATIONAL ® | BYNORM ® | EVERRIDE ® | GREAT DANE ® Con_L&G_2010 28 To find an Ariens or Gravely authorized service representative, contact Ariens at: 655 W. Ryan Street Brillion, WI 54110 (920) 756 - 2141 www.ariens.com www.gravely.com Exceptions and...