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Walk Behind Lawn Mower Owner/Operator Manual Models 911102 - PRO21SCH 911132 - LM21 911133 - LM21S 911134 - LM21SW 911139 - LM21S 911141 - PRO21SCH ENGLISH FRANÇAIS ESPAGNOL Transfer Coller l’autocollant du model & modèle et du numéro de serial number série dans cet encadré.
PRODUCT REGISTRATION DEALER DELIVERY The Ariens dealer must register the product Dealer should: at the time of purchase. Registering the 1. Check that all assembly and product will help the company process adjustments have been properly warranty claims or contact you with the latest completed.
SAFETY DECALS AND CAUTION: POTENTIALLY LOCATIONS HAZARDOUS SITUATION! If not avoided, MAY RESULT in minor or ALWAYS replace missing or damaged safety moderate injury. It may also be decals. Refer to Figure 4 for safety decal used to alert against unsafe locations.
Clear work area of stones, sticks, wire and Keep safety devices (guards, foreign objects which might be picked up and shields, switches, etc.) in place thrown. Tall grass can hide obstacles. and working. Know the work area. Stay alert for holes, OL3030 rocks, rough terrain and hidden hazards.
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If you strike an object, or if equipment must be maintained in effective working order vibrates abnormally, stop engine at once, wait by the operator. See your Ariens Dealer or for moving parts to stop and disconnect wire engine manufacturer’s service center.
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Battery posts, terminals and related Use only accessories which have been accessories contain lead and lead approved by Ariens and are properly compounds, chemicals known to the State of installed. California to cause cancer and reproductive Use only accessories or attachments that are harm.
ASSEMBLY ASSEMBLY CAUTION: AVOID INJURY. Read 1. Unfold and adjust handlebar. See and understand the entire Safety HANDLEBAR HEIGHT on page 18. section before proceeding. NOTE: DO NOT bend the speed control rod (if equipped) when unfolding the handlebars. CARTON CONTENTS 2.
OPERATION CONTROLS AND FEATURES CUTTING HEIGHT ADJUSTMENT See Figure 6 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.
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Rear High High Rear High Front Front 1. Cutting Height Lever Figure 7 OM0165 1. Cutting Height Lever 2. Height Adjuster Pin Swivel Wheel Models (911134) 3. Key Ring To change front wheel cutting height, insert height adjuster pin into the holes that match Figure 8 the desired cutting height and fasten with key OM1270...
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Speed Control (self-propelled Swivel Wheel Lock (911134) models) Speed control rod changes the mower’s CAUTION: Avoid loss of control. forward travel speeds. Lock swivel wheels when mowing on a slope or hill. Do not mow on steep slopes. High –Push rod all the way forward.
To Bag CAUTION: Check grass bag Fuel shutoff valve open. 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. 3. Lift rear door.
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EMERGENCY STOPPING Shut Off 1. Release wheel drive control and allow To stop the mower in an emergency: unit to stop completely (self-propelled 1. Release the engine/blade control. models). 2. Release the wheel drive control (self- 2. Release engine/blade control. propelled models).
The unit must stop quickly and completely section before proceeding. when the control is released. Adjust or repair if necessary. See WHEEL DRIVE CONTROL Ariens Dealers will provide any service, parts ADJUSTMENT (self-propelled models) on or adjustments which may be required to page 20.
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To install blade: DO NOT Sharpen to This Pattern 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.
CHECK DRIVE BELT Swivel Wheels (911134) (self- propelled models) See Figure 12. Use Sten Mix Hi-Temp Grease or equivalent Check drive belt and replace if worn or on the lube fittings. Order P/N: 00036800 - 3 damaged. See DRIVE BELT pack of 3 oz.
SERVICE AND ADJUSTMENTS CAUTION: AVOID INJURY. Read and understand the entire Safety Hole 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.
DRIVE BELT REPLACEMENT ENGINE/BLADE CONTROL (self-propelled models) ADJUSTMENT (911134) To remove drive belt: To adjust engine/blade control: 1. Disconnect spark plug wire. 1. Loosen cable nuts away from bracket. 2. Set the right rear wheel to its lowest cutting height, and the left rear wheel to the third cutting height.
WHEEL DRIVE CONTROL ADJUSTMENT (self-propelled 5. Tighten upper models) cable nut until bracket is secure See Figure 16. between cable NOTE: When the wheel drive control is nuts. disengaged, the gap between the friction disc and the aluminum drive plate should be OM1030 approximately .030"...
2. Check the adjustment and readjust as needed. NOTE: If the gap between the friction disc and aluminum drive plate cannot be adjusted to this tolerance, take the unit to an authorized service dealer for repairs. To increase the SPEED CONTROL BELL CRANK gap, loosen the lower cable nut.
Touch up all scratched surfaces on mower. to prevent rust. Matching touch-up paint is Engine available from your Ariens Dealer. Do not use Close fuel shutoff valve (911102, 141). abrasives, solvents, or harsh cleaners. When storing unit for extended periods of time, remove all fuel from tank and carburetor (run dry).
8. Contact your Dealer. 9. Debris in gear set. 9. Contact your Dealer. 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. 71102400 Dethatcher...
SPECIFICATIONS Model Number 911102 911132 911133 Description LM21SCH LM21 LM21S Length - in. (cm) 61.5 (156) Height - in. (cm) 38 (96.5) Width - in. (cm) 23 (58.4) Actual Weight - lbs (kg) 97 (44) 93 (42.2) 109 (49.4) Cutting Width- in. (cm) 21 (53.3) Cutting Height - in.
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SPECIFICATIONS Model Number 911134 911139 911141 Description LM21SW LM21S LM21SCH Length - in. (cm) 61.5 (156) Height - in. (cm) 38 (96.5) Width - in. (cm) 23 (58.4) Actual Weight - lbs (kg) 125 (56.7) 97 (44) 109 (49.4) Cutting Width- in. (cm) 21 (53.3) Cutting Height - in.
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(90) days hours of use, whichever comes first, if any following the date of purchase. product is rented or leased. Ariens Company • 655 W. Ryan St, P.O. Box 157 • ALW2-62905 Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com...
(12) months after the date of purchase. 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.
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Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.com...