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COBRA GARDEN TRACTOR
OWNER'S MANUAL
MODEL:
LT86MRL (TTM86)
LT86HRL (TTM86H)
LT92HRL (TTM92H)
LT102HRL (TTM102H)
LT102HR2L (TTM102H)
LT112HR2L (LT112XH)
WARNING!
When using the machine the safety rules must be followed. For your own safety and bystanders please read these
instructions before operating the machine. Please keep the instructions safe for later use.
Cobra Garden Machinery
Henton and Chattell Ltd., London Road, Nottingham NG2 3HW UK
www.cobragarden.co.uk
1
Revised December 2023
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Summary of Contents for Cobra LT102HR2L
- Page 1 COBRA GARDEN TRACTOR OWNER’S MANUAL MODEL: LT86MRL (TTM86) LT86HRL (TTM86H) LT92HRL (TTM92H) LT102HRL (TTM102H) LT102HR2L (TTM102H) LT112HR2L (LT112XH) WARNING! When using the machine the safety rules must be followed. For your own safety and bystanders please read these instructions before operating the machine. Please keep the instructions safe for later use.
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Page 2: After Sales Service
Modifications can be made to the machine without notice and without the obligation to update the manual, although the essential safety and function characteristics will remain unaltered. If in doubt, do not hesitate to contact your dealer. And now enjoy your Cobra garden tractor. AFTERSALES SERVICE This manual gives all the necessary instructions for using the machine and carrying out basic maintenance. -
Page 3: Label Position
IMPORTANT The lawnmower must always be used with utmost caution. So that safety precautions and operating instructions are always readily on hand, labels have been affixed to the machine showing pictographs illustrating the main operating precautions. The labels, according to applicable safety standards, are considered an integral part of the machine, the user is therefore responsible for replacing them in the event they become detached or illegible. -
Page 4: Table Of Contents
TABLE OF CONTENTS 1. SAFETY ..........................5 2. IDENTIFICATION OF THE MACHINE AND COMPONENTS ..........9 3. UNPACKING AND ASSEMBLY ................11 4. CONTROLS AND INSTRUMENTS ................17 5. HOW TO USE THE MACHINE .................. 20 5.1 SAFETY RECOMMENDATIONS ................. 20 5.2 WHY THE SAFETY DEVICES CUT IN ............... -
Page 5: Safety
1. SAFETY 1.1 HOW TO READ THE MANUAL Some paragraphs in the manual containing important information regarding safety and operation are emphasised in the following ways. NOTE IMPORTANT These give details or further information on what has already been said, in the aim to prevent damage to the machine. Non-observance will result in the risk of injury to oneself or others Non-observance will result in the risk of serious injury or death to oneself or others Positions refer such as “front”, “back”, “left”... -
Page 6: Operation
PREPARATION While mowing, always wear sturdy footwear and long trousers. Do not operate the equipment barefoot or wearing open sandals. Thoroughly inspect the area where the equipment is to be used and remove all objects which can be ejected from the machine, such as twigs, branches, stones, and other debris. DANGER! Petrol is highly flammable: store fuel in containers specifically designed for this purpose;... -
Page 7: Maintenance And Storage
– go into neutral and apply the parking brake; – stop the engine and remove the ignition key. 10) Disengage the blades, stop the engine and remove the ignition key: – before clearing blockages or unclogging the collector channel; – before cleaning, checking or servicing the machine; –... - Page 8 Warning: No step on the deck or discharge guard. Warning: Do Not Step Danger: Risk of overturning on steep slopes Do not use the machine on slopes with a longitudinal gradient greater than 15 degrees (27%). Danger: Ejected Objects Do not use the garden tractor on slopes with a lateral Always operate with the grass catcher or gradient greater than 10 degrees (18%).
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Page 9: Identification Of The Machine And Components
2. IDENTIFICATION OF THE MACHINE AND COMPONENTS 2.1 IDENTIFICATION OF THE MACHINE The label located in the seat bracket has the essential data of each machine 1. Name and address of manufacturer. 2. Designation of the machine 3. Type of machine 4. -
Page 10: Identification Of Main Components
2.2 IDENTIFICATION OF MAIN COMPONENTS The main components of the machine as following:... -
Page 11: Unpacking And Assembly
3. UNPACKING AND ASSEMBLY For storage and transport purposes, some components of the machine are not installed in the factory and have to be assembled after unpacking. Follow the instructions below: The machine is supplied without engine oil or fuel. Before starting the engine, fill with oil and fuel following the instructions given in the engine manual. - Page 12 Grass-catcher component Cover; ① Top frame weldment; ② Layer board; ③ Grass bag; ④ Front bracket; ⑤ Side stay pipe; ⑥ Overturn lever; ⑦ Nuts, bolts; ⑧ Swivel bracket (R); ⑨ Swivel bracket (L) ⑩ Rear baffle plate component. To prevent damage to the cutting deck, raise it to its maximum height and take utmost care when taking the machine off the pallet.
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Page 13: Fitting The Seat
Only for LT86MRL (TTM86M) Manual Transmission Put the machine on a flat surface and straighten up the front wheels. Fit the shaft (1) onto the couplings and tightening the screw M8x25 (2). (Use the hex wrench 5 in accessories tools.) Fit the steering shaft cover (3). -
Page 14: Connecting The Battery
3.4 CONNECTING THE BATTERY The electrolytic fluid is a solution of sulphuric acid. Danger: Sulphuric acid is poisonous Danger: Sulphuric acid is corrosive Sulphuric acid can cause blindness or severe burns. Danger: Keep out of reach of children. For EU countries only Never place any electric power tools in your household refuse. - Page 15 3.6 MOUNTING REAR BAFFLE PLATE COMPONENT 1. Mounting the Pull lever (a) crossing the hole (b); (see Figure 2. Mounting the rear baffle plate component on the frame using screws 1 (screw 5/16-18); 3. Mounting the rear baffle plate component on the bracket L&R using bolts 2 (M8-20);...
- Page 16 Fitting the protection at the exit (grass-catcher) Never use the machine without having fitted the exit guards. Attach the grass-catcher to the brackets and centre it up with the rear plate, so that the two reference marks coincide. Make sure that the lower pipe of the grass-catcher opening is attached to the pawl.
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Page 17: Controls And Instruments
CONTROLS AND INSTRUMENTS 4.1 THROTTLE LEVER This regulates the engine revs. The positions are indicated on a label showing the following symbols: «CHOKE» cold starting «SLOW» for minimum engine speed «FAST» for maximum engine speed... -
Page 18: Steering Wheel
The «CHOKE» position enriches the mixture so must only be used if necessary when starting from cold. – When moving from one area to another, put the lever in a position between «SLOW» and «FAST». – When cutting, shift into «FAST» –... -
Page 19: Cutting Height Adjustment
DRIVE ENGAGEMENT PADAL (for hydrostatic transmission model) This pedal engages drive in the wheels as well as modulating the machine’s forward and reverse speeds. To engage forward drive, press it towards «F» with your toecap. As you increase the pressure on the pedal, the speed of the machine increases. -
Page 20: How To Use The Machine
5 HOW TO USE THE MACHINE 5.1 SAFETY RECOMMENDATIONS The machine must only be used for the purpose for which it was designed (cutting grass). Do not tamper with or remove the safety devices fitted on the machine. REMEMBER THAT THE USER IS ALWAYS RESPONSIBLE FOR DAMAGE AND INJURY TO OTHERS. Before using the machine：... - Page 21 5.3.2 Tyre pressure Having the right tyre pressure is the main condition for ensuring that the cutting deck is horizontal and mows evenly. Unscrew the valve caps and connect a compressed air line with a gauge to the valves. The pressures are: FRONT 1.0 bar (15 x 6.0-6) REAR 1.2 bar (18 x 8.5-8)
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Page 22: Using The Machine
5.4 USING THE MACHINE 5.4.1 Starting The engine must be started in an open or well ventilated area! ALWAYS REMEMBER THAT EXHAUST GASES ARE TOXIC! To start the engine: open the fuel stopcock(to “I”); close the engine cover ; – lift the cutting deck raised as high as possible. - Page 23 Gradually release the brake pedal to engage the clutch and then begin moving in reverse. When the machine is stopped, start the reverse movement by pressing the drive engagement pedal in the «R» (for hydro transmission model) direction. 5.4.5 Grass cutting To start cutting: move the throttle to «FAST»;...
- Page 24 5.4.8 End of mowing When you have finished mowing, disengage the blades, lower the engine speed and ride the machine with the cutting deck raised as high as possible. 5.4.9 End of work Stop the machine, move the throttle to «SLOW» and turn off the engine by turning the key to «OFF». When the engine has stopped, close the fuel stopcock.
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Page 25: Using On Sloping Ground
To avoid activating the protection device: do not invert the leads on the battery terminals; – do not use the machine without its battery or damage may be caused to the charging regulator – do not cause short circuits. – 5.4.13 Summary of main steps to follow when using the machine To…... -
Page 26: Transporting
SLOPE GAUGE GUIDE To check the slope, proceed as follows: 1. Remove this page and fold along the dashed line. 2. Locate a vertical object on or behind the slope (e.g. a pole, building, fence, tree, etc.) 3. Align either side of the slope gauge with the object (see Figure 1and Figure 2). 4. -
Page 27: Maintenance
The blades must be in good condition and well sharpened so that the grass is cut straight without a ragged edge that leads to yellowing at the ends. The engine must run at full speed, both to ensure a sharp cut of the grass and to get the necessary thrust to push the cuttings through the collector channel. -
Page 28: Scheduled Maintenance
Always refer to the engine manual for further details and instructions on service intervals. At the first signs of wear, contact your Cobra dealer replace worn parts. General lubrication of all joints should be carried out annually and when ever the machine is to be left unused for a long period. -
Page 29: Checks And Adjustments
6.2.2 Battery The battery must be carefully maintained to ensure long life. The machine battery must always be charged: before using the machine for the first time after purchase; – before leaving the machine unused for a long period; – before starting up the machine after a long period of disuse. - Page 30 1b = screw with left thread (tighten anti-clockwise) Tighten with a torque wrench calibrated to 40-45 Nm. 6.4.6 Replacing the belt The belt replacement must be carried out at a Cobra Service Centre. Replace the belts as soon as they show obvious sign of wear!
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Page 31: Lubrication
6.5 LUBRICATION Apply grease with a injector to the areas shown. apply two or three shots of grease, and wipe off excess grease. Lubricate the areas shown with engine oil. Wipe the area clean, apply a few drops of oil, then wipe up drips or spills. Do not dirty the belt or brake shoe or tire with the grease or oil. -
Page 32: Troubleshooting
7 TROUBLESHOOTING Danger Injury hazard if engine is started inadvertently Protect yourself against injury. Before carrying out any work on this mower: - Switch off the engine. - Remove the ignition key. - Engage the parking brake. - Wait until all moving parts have come to a standstill and the engine has fully cooled. - Pull the spark plug connector off the engine so that the engine cannot accidentally be started. - Page 33 Problem Possible cause(s) Remedy Contact your Dealer or Service center. 1. Carburetor problem Clean or replace the air filter.(See 2. Air filter blocked. engine manual) Check and replace the fuel filter if necessary;(see engine 3. Fuel tank ventilation manual or contact your Dealer or Service center.) Engine runs blocked.
- Page 34 Check and tighten all the engine and frame bolts 2. Engine loose. 3. Unbalance in one or Contact your Dealer or Service center. both blades resulting Strong vibrations from damage. 4. Cutting-deck Clean the cutting-deck assembly assembly is full of grass 5.Engine mounting not Tighten engine mounting or contact your Dealer or Service center.
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Page 35: Specifications
8 SPECIFICATIONS LT86MRL LT86HRL LT92HRL LT102HRL LT102HR2L LT112HR2L Model (TTM86M) (TTM86H) (TTM92H) (TTM102H) (TTM102H) (LT112XH) Engine model LC1P85FA LC1P92F-1 LC1P92F-1 LC1P92F-1 LC2P73F LC2P73F Engine displacement 352 cm 452 cm 452 cm 452 cm 586 cm 586 cm Nominal power: 5.6 kW 7.8 kW... - Page 36 8.1 Machine Dimensions Up to 102cm cutting width Model 92cm Series 86cm Series 102cm Series 1080 (mm) Model LT112HR2L 112cm 1160 (mm)
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Page 37: Warranty
If your dealer did not collect registration information from you, please take a few minutes and register your purchase with Cobra. You can register by completing and mailing the registration card that should be in the box or by going online to: www.cobragarden.co.uk... -
Page 38: Ec Declaration
LT86HRL (TTM86H) – 7.8kW at 2,600 min LT92HRL (TTM92H) – 7.8kW at 2,600 min LT102HRL (TTM102H) – 7.8kW at 2,600 min LT102HR2L (TTM102H) – 10.3kW at 2,600 min LT112HR2L (LT112XH) – 10.3kW at 2,600 min Measured sound power level: LT86MRL (TTM86M) – 97.6 dB(A) K : 2.13 dB(A)
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