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MODELS:
AIRMOW 51 PRO (DYM172501)
AIRMOW 51 (DYM162501)
AIRMOW 51B (DYM152501)
COBRA LAWN MOWER
OWNER'S MANUAL
Cobra Garden Machinery
Henton and Chattell Ltd., London Road, Nottingham NG2 3HW UK
www.cobragarden.co.uk
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  • Page 1 MODELS: AIRMOW 51 PRO (DYM172501) AIRMOW 51 (DYM162501) AIRMOW 51B (DYM152501) COBRA LAWN MOWER OWNER’S MANUAL Cobra Garden Machinery Henton and Chattell Ltd., London Road, Nottingham NG2 3HW UK www.cobragarden.co.uk - 1 -...
  • Page 2: Symbols Marked On The Product

    WARNING: For your own safety please read this manual before attempting to operate your new unit. Failure to follow instructions can result in serious personal injury. Spend a few moments to familiarise yourself with your mower before each use. 1. SYMBOLS MARKED ON THE PRODUCT Fig.
  • Page 3 the age of the operator. Never mow while people, especially children or pets are nearby. Never use the mower if the operator is taking medicine or substances that could affect or impair his ability to react or concentrate. Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people or their property. Before you start While mowing, always wear substantial footwear and long trousers.
  • Page 4 - If the lawn mower starts to vibrate abnormally (check immediately). 20. Stop the engine and disconnect the spark plug wire, make sure that all moving parts have come to a complete stop and, where a key is fitted remove the key, make sure engine is completely cooled. - Whenever you leave the lawn mower.
  • Page 5: Table Of Contents

    CONTENTS SECTION 1 SYMBOLS MARKED ON THE PRODUCT…………………….…2 SECTION 2 GENERAL SAFETY RULES……………………………………..2 SECTION 3 PARTS DESCRIPTION………………………………..……..……..6 SECTION 4 TECHNICAL DATA…………………………………………..…6 SECTION 5 ASSEMBLY…………………………………………………..…..…7 SECTION 6 OPERATION INSTRUCTIONS………………………………..….11 SECTION 7 MAINTENANCE INSTRUCTIONS ……………………………….14 SECTION 8 LUBRICATION INSTRUCTIONS ………………………….…..…14 SECTION 9 CLEANING………………………………………………….….…...14 SECTION 10 STORAGE INSTRUCTIONS (OFF SEASON)…………….…….17...
  • Page 6: Parts Description

    3. PARTS DESCRIPTION Fig.1 1. Brake control handle 2. Upper handle 3. Choke Lever 4. Middle Handle (Optional) 5. Wiring connector 6. Wheel frame 7. Wheel 8. Cable clamp 9. Hook 10. Oil Cap 11. Deck 12. Fuel cap 13. Starter handle 14.
  • Page 7: Technical Data

    4. TECHNICAL DATA Model AIRMOW51PRO AIRMOW 51 AIRMOW 51B (DYM172501) (DYM162501) (DYM152501) Engine type Honda GCV160 Cobra DG350 B&S 575EX Engine Displacement 160 cm3 98.5 cm3 140 cm3 Nominal Power 2.8kW 1.9kW 2.2kW Blade Width 510mm 510mm 510mm Rated Speed 3000/min 3000/min 3000/min...
  • Page 8 Fig. 2C Fig. 2D Fig. 2E Fig. 2F 5.2 TRANSPORT WHEELS (OPTION) 1. Remove the locking knob. (Fig. 2G) 2. Fix the wheel frame into the unit body with the bolt and locking knob (Fig. 2H) 3. Loosen the locking knob for folding, and open the locking device with the press the button. (Fig.2 I) 4.
  • Page 9 Fig.2I Fig.2J 5.3 UPPER HANDLE 1. Fix the upper handle and the lower handle with the bolt, washer and locking knob. (Fig. 2K) 2. Connect the upper brake control wire (1) and lower brake control wire with wiring connector. (Fig. 2L) 3.
  • Page 10 Fig.2Q Fig.2R 5.7 HEIGHT OF CUT AIRMOW 51 PRO ONLY - Reduce or add a washer to adjust height. (Fig. 3) MAXIMUM 1 SPACER TO LOWER THE HEIGHT OF CUT Fig. 3 Center Bolt should be tightened to 35Nm-45Nm, to insure safe operation of your unit. ALL nuts and bolts must be checked periodically for correct tightness.
  • Page 11: Operation Instructions

    1. Loosen the locking knob, fold the wheel frame and tighten the locking knob, or remove the wheel frame. (Fig.4A) 2.Lifting the hook to the ´mowing´ position. (Fig.4B) 3. Before starting the engine, on the AIRMOW 51 PRO only, please turn the fuel switch to the “ ”position, “...
  • Page 12 Fig. 4A Fig. 4B Fig.4C Fig.4D Fig.4E Fig. 4F Start the engine carefully according to instructions and with feet well away from the blade. Do not tilt the lawn mower when starting the engine. Start the mower on a level surface, free of high grass or obstacles.
  • Page 13 Do not use this mower on slopes which are wet or more than 45°from the horizontal. Never push the mower up the slope. WITH THE AIRMOW 51 PRO: Keep the spark plug uppermost to avoid lubricating oil running into the cylinder.
  • Page 14: Maintenance Instructions

    6.5 FOR THE BEST RESULTS WHEN MOWING Clear the lawn of debris. Be sure that the lawn is clear of stones, sticks, wire or other foreign objects which could be accidentally thrown out by the mower in any direction and cause serious personal injury to the operator and others as well as damage to property and surrounding objects.
  • Page 15 9.1 ENGINE AIR CLEANER CAUTION: Do not allow dirt or dust to clog the air filter foam element. The engine air cleaner element must be serviced (cleaned) after 25 hours normal mowing. The foam element must be serviced regularly if the mower is used in dry dusty conditions.
  • Page 16 For best results your blade should be sharp. The blade may be resharpened by removing it and either grinding or filing the cutting edge keeping as close to the original bevel as possible. It is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade.
  • Page 17: Storage Instructions (Off Season)

    10. STORAGE INSTRUCTIONS (OFF SEASON) The following steps should be taken to prepare the lawn mower for storage. 1. Empty the tank after the last mowing of the season. Empty the petrol tank with a suction pump. CAUTION! Do not drain the petrol in closed rooms, in close proximity of open fire, etc. Do not smoke! Petrol fumes can cause an explosion or fire.
  • Page 18: Trouble Shooting Guide

    11. TROUBLES SHOOTING PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Engine does not Throttle choke not in the correct Move throttle choke to the correct position start. position for the prevailing conditions. Fuel tank is empty. Fill tank with fuel: refer to ENGINE OWNERS MANUAL. Air cleaner element is dirty.
  • Page 19: Warranty

    12. WARRANTY This product is warranted in accordance with legal regulations for a 24month period effective from the date of purchase by the first user. This product will not be covered if used in a commercial application. This warranty covers all material or production failures, it does not include: defects from normal wear and tear, parts such as, bearings, brushes, cables, air cleaning elements, brake pad, clutch disc, tyre, wheel, recoil starter rope, belts, cutter blades, plugs, lubricant oils and grease or accessories.
  • Page 20: Ec-Declaration Of Conformity

    In case of alteration of the machine, not agreed upon by us, this declaration will lose its validity Machine Description: Petrol Lawn mower Machine Type: AIRMOW 51 PRO AIRMOW 51 AIRMOW 51B (DYM172501) (DYM162501)

This manual is also suitable for:

Airmow 51Airmow 51bDym172501Dym162501Dym152501

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