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20" Self-Propelled
Petrol Lawn Mower
840SX
User Manual
[Revision 3.0 February 2020]
READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY, PROPERTY DAMAGE
AND MAY VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE. • Products covered by this manual may vary
in appearance, assembly, inclusions, specifications, description and packaging.
E&OE
© 2020 Baumr-AG
The product is NOT supplied with engine oil, although traces of oil from the manufacturing process may be present. It is essential
to add adequate engine oil of the correct type to the engine before use. Failure to add engine oil will void the product warranty.
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Table of Contents
Related Manuals for Baumr-AG 840SX
Summary of Contents for Baumr-AG 840SX
- Page 1 E&OE © 2020 Baumr-AG The product is NOT supplied with engine oil, although traces of oil from the manufacturing process may be present. It is essential to add adequate engine oil of the correct type to the engine before use. Failure to add engine oil will void the product warranty.
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Page 2: Safety
20" Self-Propelled Petrol Lawn Mower - 840SX Safety Safety messages are designed to alert you to possible dangers or hazards that could cause death, injury or equipment or property damage if not understood or followed. Safety messages have the following symbols:... - Page 3 20" Self-Propelled Petrol Lawn Mower - 840SX General Electrical Safety General Electrical Safety General Service Information • Inspect electrical equipment, extension • Electrically grounded equipment must have • The equipment must be serviced or cords, power bars, and electrical fittings for...
- Page 4 20" Self-Propelled Petrol Lawn Mower - 840SX • Do not change the engine governor settings or over speed the engine; • Disengage all blade and drive clutches before starting the engine; • Start the engine or switch on the motor carefully according to instructions and with feet well away from the blade(s);...
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Page 5: Safety Symbols
20" Self-Propelled Petrol Lawn Mower - 840SX Safety Symbols The product may have safety warning labels attached to it, explained below. Understand the symbols on your product and their meanings. If any stickers become unreadable, unattached etc., replace them. Flammable Material Hazard... - Page 6 20" Self-Propelled Petrol Lawn Mower - 840SX Carbon-Monoxide Hazard Pull Hazard Slope / Fall Injury Hazard "Slam Dunk" Warning Do not use the product in Be aware that the product Be aware that using the product Do NOT attempt "slam dunk"...
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Page 7: Table Of Contents
20" Self-Propelled Petrol Lawn Mower - 840SX Table of Contents Safety ................................2 Safety Symbols ................................5 Parts Identification ............................8 Assembly ............................... 9 Assembling the Handle ............................... 9 Fixing the Connection Cord ............................10 Assembling the Grass Catcher ..........................10 Assembling the Grass Catcher to the Mower ...................... -
Page 8: Parts Identification
20" Self-Propelled Petrol Lawn Mower - 840SX Parts Identification Product colours and appearances may vary Name Name Drive lever (clutch lever) Rear wheel Soft grip Engine oil cap Upper handle Side discharge cover Fixing knob with square neck Side discharge chute... -
Page 9: Assembly
20" Self-Propelled Petrol Lawn Mower - 840SX Assembly Assembling the Handle 1. Fasten the lower handle to the device by using two blots and two small knobs on each side. 2. Unfold the upper handle and fix it to lower handle by using the big knobs and the blots on each side. -
Page 10: Fixing The Connection Cord
20" Self-Propelled Petrol Lawn Mower - 840SX Fixing the Connection Cord Fix the connection cord to the handle with the cord clips (supplied). Assembling the Grass Catcher Clip the plastic clips over the metal frame. Make sure that these clips are fully secured to the metal frame. -
Page 11: Assembling The Grass Catcher To The Mower
20" Self-Propelled Petrol Lawn Mower - 840SX Assembling the Grass Catcher to the Mower 1. Lift the rear discharge cover with one hand and hook in the grass catcher. 2. Release the rear discharge cover to secure the grass catcher in position. -
Page 12: Assembling The Side Discharge Chute
20" Self-Propelled Petrol Lawn Mower - 840SX Assembling the Side Discharge Chute NOTE: When you’re going to use the side discharge function, you first need to remove the grass catcher and plug-in the mulching plug. 1. As shown in the images above, lift the side discharge cover with one hand and hook in the side discharge duct with the other hand. -
Page 13: Checking The Engine Oil Level And Filling With Engine Oil
20" Self-Propelled Petrol Lawn Mower - 840SX Checking the Engine Oil Level and Filling with Engine Oil CAUTION! The following procedures and adjustments must be performed before the engine is started. • Do not attempt to make any of these adjustments while the engine is running. • To prevent engine damage, the engine is shipped without oil or petrol. -
Page 14: Filling With Engine Fuel
20" Self-Propelled Petrol Lawn Mower - 840SX Filling with Engine Fuel CAUTION! • Always use clean, fresh unleaded petrol. Purchase fuel in quantities that can be used within 30 days. Never mix oil with petrol. • Do not fill into the base of neck to allow for fuel expansion. -
Page 15: Adjustments
20" Self-Propelled Petrol Lawn Mower - 840SX Adjustments Setting the Cutting Height CAUTION! Adjust the cutting height only when the engine is switch OFF and the spark plug boot has been pulled out. The cutting height is centrally adjusted with the cutting height adjusting handle. Different cutting heights can be selected. -
Page 16: Setting The Required Functions
20" Self-Propelled Petrol Lawn Mower - 840SX Setting the Required Functions NOTE: This lawn mower has three functions. These functions can be converted by changing the accessory settings. Please see the following table for details. Mulching Grass Side discharge plug... -
Page 17: Operation
20" Self-Propelled Petrol Lawn Mower - 840SX Operation WARNING! • The blade begins to rotate as soon as the engine has been started. • Do not operate the machine in enclosed or poorly ventilated areas as the exhaust gas contains toxic substances. -
Page 18: Stopping The Engine
20" Self-Propelled Petrol Lawn Mower - 840SX Stopping the Engine To stop the engine, push the throttle lever right back to the OFF position. Important Primer Bulb Information • The primer bulb pump is designed to deliver fuel directly into the engine for easy start. Follow these guidelines and you should have trouble free starting. -
Page 19: Cleaning A Flooded Engine
20" Self-Propelled Petrol Lawn Mower - 840SX Cleaning a Flooded Engine NOTE: if the engine won’t start after you have operated the starter several times, the engine may be flooded with excess fuel. Use following procedure to clear and start a flooded engine. -
Page 20: Emptying The Grass Catcher
20" Self-Propelled Petrol Lawn Mower - 840SX • The best result will be achieved if the grass is dry. Wet grass will tend to clog the blade and the grass collection system. • Grass grows at different rates at different time of the year. Never use the lowest cutting height for the first cut of the season or in drought conditions. -
Page 21: Maintenance, Storage And Transportation
20" Self-Propelled Petrol Lawn Mower - 840SX Maintenance, Storage and Transportation WARNING! Before performing any maintenance or cleaning work, switch OFF the engine and wait until the blade has come to a stop. General Cleaning • The lawn mower should be cleaned thoroughly every time after it has been used. -
Page 22: Engine Oil Replacement
20" Self-Propelled Petrol Lawn Mower - 840SX Engine Oil Replacement 1. Tilt the lawnmower towards the oil filler, have a container ready to catch the oil and remove the dipstick. Once the oil has been emptied, replace the dipstick and wipe clean any spillages. -
Page 23: Storing The Lawnmower For Short Periods
20" Self-Propelled Petrol Lawn Mower - 840SX 5. Clean the dirt and grass from around the blade mounting area. 6. Replace all 4 blades to ensure a smooth even cut and re-fit them on the mower in the reverse direction they were removed. -
Page 24: Maintenance Schedule
20" Self-Propelled Petrol Lawn Mower - 840SX Maintenance Schedule Performing routine maintenance correctly on your lawnmower will ensure you get years of trouble free use. Please keep this manual safe for future reference. It is recommended that the following maintenance schedule is adhered to. This will ensure the lawn mower operates correctly and is safe to use. -
Page 25: Troubleshooting
20" Self-Propelled Petrol Lawn Mower - 840SX Troubleshooting WARNING! Before performing any maintenance or cleaning work, switch off the engine and wait until the blade has come to a stop. CAUTION! • Improper repairs can result in the product functioning unsafely. This endangers yourself and your environment. -
Page 26: Specifications
20" Self-Propelled Petrol Lawn Mower - 840SX Specifications Engine Type 4 Stroke Power Source Petrol Blade Style Rotary Self-Propelled Deck Steel Blade Type 4 Swing blades Cutting Width 510mm; 20 inches Cutting Height 25-75mm Wheels Front 8”, Back 10” Adjustment System Central, 7 Positions E&OE... - Page 27 ©2020 Baumr-AG. All rights reserved. No part of this document, including descriptive content, concepts, ideas, diagrams or images may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, scanning or recording, or any information storage and retrieval system,...
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