Walk Behind Lawn Mower Owner/Operator Manual Models 911094 - Pro 21SCH 911095 - Pro 21CH 911098 - LM21S 911100 - LM21SW 911394 - Pro 21SCH ENGLISH FRANÇAIS ESPAÑOL 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.
Ariens Company 655 West Ryan Street P.O.
Notified Body – Organisme notifié – Zertifizierungsstelle – Aangemelde SNCH instantie – Bemyndiget organ – Organismo notificato – Organismo 11, Route de Luxembourg notificado – Teknisk kontrollorgan – Anmält organ – Ilmoitettu laitos – L-5230 Sandweiler Organ zaświadczający – Organismo Certificador – Representative Measured Sound Power Level (Lwa) – Niveau de puissance acoustique représentatif mesuré (Lwa) – Repräsentativer gemessener Geräuschpegel (Lwa) – Representatief gemeten geluidsniveau (Lwa) – Repræs
TABLE OF CONTENTS Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Storage . . . . . . . . . . . . . . . . . . . . . . . . . 21 Assembly . . . . . . . . . . . . . . . . . . . . . . . . 9 Troubleshooting . . . . . . . . . . . . . . . . . 21 Controls and Features . . . . . . . . . . . . 10 Service Parts . . . . . . . . . . . . . . . . . . . . 22 Operation . . . . . . . . . . . . . . . . . . . . . . . 11 Accessories . . . . . . . . . . . . . . . . . . . . . 22 Maintenance. . . . . . . . .
UNAUTHORIZED REPLACEMENT PARTS Use only Gravely replacement parts. Replacing any part on this vehicle with anything other than a Gravely authorized replacement part may adversely affect the performance, durability, or safety of this unit and may void the warranty. Gravely 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 Gravely Dealer, call 1-800-472-8359 or go to www.
NOTATIONS 1. DANGER! NOTE: General reference information for proper operation and maintenance practices. IMPORTANT: Specific procedures or information required to prevent damage to unit or attachment. TO AVOID SERIOUS INJURY OR DEATH Read the operator’s manual. OL1801 PRACTICES AND LAWS Practice usual and customary safe working precautions, for the benefit of yourself and others. Understand and follow all safety messages.
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. ALWAYS 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 • all safety decals.
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 Gravely original equipment replacement parts for safety. To reduce fire hazard and overheating, keep equipment free of grass, leaves, debris or excessive lubricants.
Sharp edges can cut or amputate fingers or a hand. Wrap blade or wear sturdy gloves to service. Use only replacement parts designed for your unit. See your Gravely 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 Gravely and are properly installed.
CONTROLS AND FEATURES 3 2 8 5 22 1 21 20 6 19 13 13 11 2 3 1 15 13 7 21 4 22 6 20 10 11 12 19 13 10 13 1. Engine/Blade Control 2. Wheel Drive Control (911094, 098, 100, 394) 3. Adjustable and Folding Handlebars 4. Swivel Wheel Lock (911100) 5. Grass Bag 6. Rear Door 7. Fuel Tank and Cap 8. Fuel Shutoff Valve (911094, 095, 394) 9. Height Adjustment Pins 10. Muffler and Muffler Guard 11. Oil Fill/Dipstick 12. Oil Filter 13.
OPERATION CONTROLS AND FEATURES CAUTION: Both rear wheels must be set at same height or traction drive may not work properly. See Figure 5 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. Cutting Height Settings Chart CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding.
Swivel Wheel Models (911100) To change front wheel cutting height, insert height adjuster pin into the holes that match the desired cutting height and fasten with key ring (Figure 7). To change rear wheel cutting height, move cutting height levers one notch at a time to set the desired cutting height. High Speed Control (self-propelled models) Speed control rod changes the mower’s forward travel speeds. High –Push rod all the way forward. Low 1 Low –Pull rod all the way rearward.
FILLING FUEL TANK Swivel Wheel Lock (911100) 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. (see Specifications on page 23 for tank capacity.) 6. Replace fuel cap and tighten. 7. ALWAYS clean any spilled fuel. CAUTION: Avoid loss of control. Lock swivel wheels when mowing on a slope or hill.
STARTING AND SHUT OFF 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. SeeFigure 5 for all Controls and Features. NOTE: Start engine on a level surface that is free of debris.
Mulching Tips For best mulching performance, cut no more than 1 inch (2.54 cm) of grass per cutting. MAINTENANCE CHECK WHEEL DRIVE CONTROL (self-propelled models) CAUTION: AVOID INJURY. Read and understand the entire Safety section before proceeding. Gravely 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 a Gravely Dealer or an authorized engine manufacturer's service center.
2. Torque bolt to 37.5 - 50 lbf-ft (51-68 N•m) (bolt should fully compress lock washer). 3. Connect spark plug wire. 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 9). 4. Install mower blade on unit. 5. Tighten the bolts to a torque of 37.5 50 lbf-ft (51-68 N•m).
Swivel Wheels (911100) CHECK SPARK PLUG See Figure 10. Use Sten Mix Hi-Temp Grease or equivalent on the lube fittings. Order P/N: 00036800 - 3 pack of 3 oz. cartridges. 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 Lube Fitting WARNING: HOT SURFACES can cause death or serious injury. DO NOT TOUCH parts which are hot from operation. ALWAYS allow parts to cool.
ENGINE/BLADE CONTROL ADJUSTMENT 911098, 100 To adjust engine/blade control: 1. Loosen cable nuts away from bracket. Hole Pin OM1800 Figure 11 911094, 095, 394 2 OM1010 3 1 2. Squeeze z-bend bracket at engine end of cable toward front of unit and hold in place. 4 5 2 OM1040 4 1. Handlebar 2. Adjustment Hole 3. Support Bracket OM1660 3. Pull cable down from bracket until there is no slack in cable. 4. Fasteners 5.
4. Tighten lower cable nut to 1/8" (3 mm) below bracket. Release z-bend bracket. DRIVE BELT REPLACEMENT 1/8 (3 m m) (self-propelled models) OM1020 5. Tighten upper cable nut until bracket is secure between cable nuts. OM1030 6. Engage engine/blade control. Measure distance between middle of z-bend and cable bracket. Measurement should be as shown below. Briggs Engines:1.325"-1.788" (3.4 cm - 4.5 cm) Honda Engines: 1.65"-1.69" (4.2 cm - 4.3 cm) To remove drive belt: 1. Disconnect spark plug wire. 2.
WHEEL DRIVE CONTROL ADJUSTMENT (self-propelled SPEED CONTROL BELL CRANK models) The speed control bell crank holds the speed control rod in position after a speed has been set. The spring washers may become loose with normal wear. If the speed control rod does not stay firmly in position, adjust the speed control bell crank. See Figure 15. To adjust: 1. Remove cover, fully compress the helical spring lock washers with lock nut and then back lock nut off, one quarter turn. 2.
STORAGE Inspection 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. 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. Cleaning Grass Bag Clean unit thoroughly with mild soap and low pressure water.
PROBLEM PROBABLE CAUSE Wheel drive does not engage (SelfPropelled models) CORRECTION 1. Wheel drive control not engaged. 2. Drive belt out of position. 1. Engage wheel drive control. 2. Check drive belt. Adjust as necessary (see Check Drive Belt (self-propelled models) on page 16). 3. Replace belt (see Check Drive Belt (self-propelled models) on page 16). 4. Adjust rear wheels to same cutting height (see Cutting Height Adjustment on page 11). 5. Attach idler spring to notch on idler arm.
SPECIFICATIONS Model Number Description Length - in (cm) Height - in (cm) Width - in (cm) Actual Weight - lbs (kg) Cutting Width Cutting Height - in. (cm) Engine 911098 911100 911394 LM21S LM21SW PRO21SCH 61.5 (156) 38 (96.5) 23 (58.4) 115 (52.2) 99 (44.9) 97 (44) 109 (49.5) 115 (52.2) 21 (53.3) 6 Positions: 1.00-3.25 (2.5 - 8.3) Honda 4 cycle Briggs & Stratton 4 cycle Honda 4 cycle Model GXV160KA12 126602-0146E1 GXV160KA12 Engine Power - HP (kW) @ 5.5 (4.0) 6.75 (5.0) 5.5 (4.
Warranty for Models 911094, 095 GB - 24
Warranty for Models 911098, 100 GB - 25
GRAVELY A Division of Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.gravely.