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Walk Behind Lawn Mower
Owner/Operator Manual
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911086 - LM21
911133 - LM21S
911134 - LM21SW
911142 - LM21 – CARB
911143 - LM21S – CARB
911144 - LM21SW – CARB
ENGLISH
ESPAGNOL
Models
01278800B 2/07
Printed in USA
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Table of Contents
Related Manuals for Ariens LM21-CARB
Summary of Contents for Ariens LM21-CARB
- Page 1 Walk Behind Lawn Mower Owner/Operator Manual Models 911086 - LM21 911133 - LM21S 911134 - LM21SW 911142 - LM21 – CARB 911143 - LM21S – CARB 911144 - LM21SW – CARB ENGLISH ESPAGNOL Transfer Coller l’autocollant du model & modèle et du numéro de serial number série dans cet encadré.
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Page 2: Table Of Contents
(Figure 1, Figure 2). here: PRODUCT REGISTRATION Serial Number Label 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 information. All claims meeting... -
Page 3: Safety
Discuss and emphasize the Safety Rules. Give and may void the warranty. Ariens disclaims customer Owner/Operator, Parts, and liability for any claims or damages, whether Engine manuals. Advise customer to warranty, property damage, personal injury or thoroughly read and understand them. - Page 4 NOTATIONS 1. DANGER! TO AVOID SERIOUS INJURY OR DEATH NOTE: General reference information for proper operation and maintenance practices. IMPORTANT: Specific procedures or Read the operator’s manual. information required to prevent damage to unit or attachment. PRACTICES AND LAWS OL1801 Practice usual and customary safe working Keep children and others away precautions, for the benefit of yourself and...
- Page 5 SAFETY RULES NEVER operate after or during the use of medication, drugs or alcohol. Unit requires If unit is to be used by someone other than complete and unimpaired attention. original purchaser; loaned, rented or sold, ALWAYS provide this manual and any NEVER allow children to use or service needed safety training before operation.
- Page 6 See your Ariens Dealer or from spark plug. Repair any damage before engine manufacturer’s service center.
- Page 7 Charge batteries in an open, well-ventilated Use only accessories which have been area, away from spark and flames. Unplug approved by Ariens and are properly charger before connecting or disconnecting installed. battery. Wear protective clothing and use Use only accessories or attachments that are insulated tools.
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Page 8: Assembly
ASSEMBLY ASSEMBLY CAUTION: AVOID INJURY. Read 1. Unfold and adjust handlebar. See and understand the entire Safety HANDLEBAR HEIGHT on page 16. section before proceeding. NOTE: DO NOT bend the speed control rod (if equipped) when unfolding the handlebars. CARTON CONTENTS 2. -
Page 9: Controls And Features
CONTROLS AND FEATURES Figure 5 OM1866 1. Engine/Blade Control 14. Side Discharge Cover 2. Wheel Drive Control (911133, 134, 143, 15. Side Discharge Deflector 144) 16. Mulchmaster™ Plug 3. Adjustable and Folding Handlebars 17. Handlebar Adjustment Holes 4. Swivel Wheel Lock (911134, 144) 18. -
Page 10: Operation
OPERATION CONTROLS AND FEATURES CUTTING HEIGHT ADJUSTMENT See Figure 5 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 11 Rear High High Rear High Front Front 1. Cutting Height Lever OM1270 Figure 6 OM0165 1. Cutting Height Lever 2. Height Adjuster Pin Swivel Wheel Models (911134, 144) 3. Key Ring To change front wheel cutting height, insert height adjuster pin into the holes that match Figure 7 the desired cutting height and fasten with key OPTIONAL CONTROLS...
- Page 12 CAUTION: Check grass bag frequently for wear or deterioration. Replace worn or damaged bag with To hold wheel straight: Ariens original equipment 1. Push swivel wheel lock forward. replacement bag only. 2. Push unit forward until wheel locks in place.
- Page 13 Grass Bag Removal Manual Start 1. Shut off unit. 1. Check each item under Before Each Use in the MAINTENANCE SCHEDULE 2. Lift rear door. on page 14. 3. Use handle to lift bag off mounting 2. For engines with a primer, push primer flange.
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Page 14: Maintenance
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 18. - Page 15 3. Connect spark plug wire. 3. Check mower blade balance. Slide mower blade on an unthreaded Sharpen the Mower Blades bolt. A balanced blade should remain in a horizontal position. If either end of CAUTION: DO NOT sharpen mower blade moves downward, sharpen mower blades while on unit.
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Page 16: Service And Adjustments
GENERAL LUBRICATION CHECK ENGINE COOLING Swivel Wheels (911134, 144) WARNING: HOT SURFACES can See Figure 10. cause death or serious injury. DO Use Mix Hi-Temp Grease or equivalent on the NOT TOUCH parts which are hot lube fittings. Order P/N: 00036800 - 3 pack of from operation. - Page 17 Hole OM1800 Figure 11 DRIVE BELT REPLACEMENT 1. Blade 5. Engine Pulley 2. Idler 6. Bolt, Lock (self-propelled models) Washer & 3. Drive Sheave To remove drive belt: Flat Washer 4. Drive Belt 1. Disconnect spark plug wire. 2. Set the right rear wheel to its lowest Figure 12 cutting height, and the left rear wheel to the third cutting height.
- Page 18 WHEEL DRIVE CONTROL ADJUSTMENT (self-propelled models) See Figure 13. NOTE: When the wheel drive control is disengaged, the gap between the friction disc and the aluminum drive plate should be approximately .030" (0.7mm). See Figure 13. OM1040 Friction Disc 3. Pull cable down from bracket until there is no slack in cable.
- Page 19 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.
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Page 20: Storage
Touch up all scratched surfaces on mower. to prevent rust. Matching touch-up paint is Engine available from your Ariens Dealer. Do not use When storing unit for extended periods of abrasives, solvents, or harsh cleaners. time, remove all fuel from tank and carburetor (run dry). -
Page 21: Troubleshooting
TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION Engine will not 1. Fuel tank empty or low. 1. Check fuel level. Fill tank if necessary. start 2. Spark plug wire loose or off. 2. Check connection. 3. Engine/Blade control cable 3. Check cable. Adjust, repair detached, broken, or not or replace as necessary. -
Page 22: 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. 71102400 Dethatcher Description Part Number 71102700 Mulchmaster Plug Air Filter 21541000 (911133, 134, 143, 71103000... -
Page 23: Specifications
SPECIFICATIONS Model Number 911086 911133 911134 Description LM21 LM21S LM21SW Length - in. (cm) 61.5 (156) Height - in. (cm) 38 (96.5) Width - in. (cm) 23 (58.4) Actual Weight - lbs (kg) 97 (44) 109 (49.4) 125 (56.7) Cutting Width- in. (cm) 21 (53.3) Cutting Height - in. - Page 24 SPECIFICATIONS Model Number 911142 911143 911144 Description LM21 – CARB LM21S – CARB LM21SW – CARB Length - in. (cm) 61.5 (156) Height - in. (cm) 38 (96.5) Width - in. (cm) 23 (58.4) Actual Weight - lbs (kg) 97 (44) 109 (49.4) 125 (56.7) Cutting Width- in.
- Page 25 (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...
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Page 26: Warranty
(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. - Page 28 Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.com...