STIHL RMA 339, RMA 339 C EN Instruction manual RMA 339.0 B RMA 339.
0478 131 8327 B. C21.
1 0478 131 8327 B 1
2 0478 131 8327 B
Thank you for choosing STIHL. We develop and manufacture our quality products to meet our customers' requirements. The products are designed for reliability even under extreme conditions. STIHL also stands for premium service quality. Our specialist dealers guarantee competent advice and instruction as well as comprehensive service support. We thank you for your confidence in us and hope you will enjoy working with your STIHL product. Dr. Nikolas Stihl IMPORTANT: READ BEFORE USE AND KEEP IN A SAFE PLACE.
Battery Charger Checking blade wear Removing and installing the mowing blade Sharpening the mowing blade Storage (winter break) Transport Carrying and securing the lawn mower Transporting the battery Minimising wear and preventing damage Environmental protection Standard spare parts Technical specifications STIHL AK battery STIHL charger AL 101 Troubleshooting Service schedule Handover confirmation Service confirmation 27 27 27 28 28 28 29 29 30 30 31 31 31 32 32 32 34 34 34 2.
EN Insert mains plug (1) in socket (2). Texts relating to illustrations: Illustrations relating to use of the machine can be found in the front of this instruction manual. The camera symbol serves to link the figures on the illustration pages with the corresponding text passages in the instruction manual. 1 2.3 Country-specific versions STIHL supplies chargers with different plugs and switches, depending on the country of sale. Chargers with European plugs are shown in the illustrations.
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Upper handlebar Lower handlebar (RMA 339) Bracket (RMA 339 C) Housing Motor hood Rear wheel Front wheel Grass catcher box Upper transport handle Lower transport handle Discharge flap Rotary handle (RMA 339) Handlebar detent lever (RMA 339 C) Level indicator (grass catcher box) Motorstop lever Height adjustment lever ON button Rating plate with machine number Cover Safety plug Eco mode switch Battery Charger 4. For your safety 4.
forbidden and results in voiding of the warranty cover. Information regarding approved accessories can be obtained from your STIHL specialist dealer. In particular, any tampering with the machine which increases the power output or speed of the engine or motor is forbidden. It is not permissible to make any modifications to the machine that could lead to increased noise emissions. It is not permitted to transport objects, animals or persons, particularly children, on the machine.
The battery can not operate safely if it is not in good operating condition. There is a risk of serious injury to persons. ● Do not work with a damaged or defective battery. 4.4 Charger Children cannot recognise or evaluate the dangers posed by the charger or by electrical current. There is a risk of serious injury to children. ● Keep children away. ● Do not charge a damaged or defective battery. ● Keep the charger out of the reach of children.
● The mains plug and electric cable are particularly important when it comes to electrical safety. ● Insert the mains plug in a correctly installed socket. An incorrect mains voltage or an incorrect mains frequency during charging may lead to overvoltage in the charger. The charger could become damaged. ● Ensure that the mains voltage and the mains frequency of the power supply correspond to the information contained in the rating plate on the charger.
The machine must only be used in good operating condition. Before each use, check whether: – The machine is properly assembled. – The cutting tool and the entire cutting unit (mowing blade, fastening elements, mowing deck housing) are in good condition. In particular check for secure fastening, damage (notches or cracks) and wear. – The safety devices (e.g. discharge flap, housing, handlebar, motorstop lever) are in good condition and working properly.
Working: – before removing the grass catcher box, Caution – risk of injury! Never put hands or feet on or underneath rotating parts. Never touch the rotating blade. Always keep away from the discharge opening. Always observe the safety distance provided by the handlebar. – before adjusting the cutting height. – before removing the battery; ● Remove the safety plug Do not try to examine the blade while the machine is operating.
Only use tools, accessories or attachments approved for this machine by STIHL or technically identical parts. Otherwise, there may be a risk of accidents resulting in personal injury or damage to the machine. If you have any questions, please consult a specialist dealer. The characteristics of original STIHL tools, accessories and spare parts are optimally adapted to the machine and the user's requirements.
RMA 339: Start the motor. RMA 339 C: Start the motor. RMA 339 C: Switch off the motor. Battery is overheated. Charging starts after the cooling-down period or the battery can only be used after the coolingdown period. The battery is faulty and must be replaced.
EN 6. Standard equipment Item A B C D M N O x Designation Basic unit Upper part of grass catcher box Lower part of grass catcher box Stud Safety plug Charger Battery Instruction manual 0478 131 8327 B - EN Qty. 1 1 1 2 1 RMA 339 C: E F G H Sleeve Bolt Washer Nut 1 1 2 1 The standard equipment may vary depending on the country where sold and version type.
7. Preparing the machine for operation 7.2 Installing the mono handlebar (RMA 339 C) 7.1 General points ● 4 Insert nut (H) into the bracket as shown. ● 5 Insert bolt (F) from the outside inwards through the bores in handlebar (1) and in bracket (2). ● 6 Tighten bolt (F). Tightening torque: 18 - 22 Nm Risk of injury. Observe the safety instructions in the section "For your safety" (Ö 4.).
EN Installing cable clip: 7.3 Installing the dual handlebar (RMA 339) ● Install cable clip (4) on the upper handlebar. Insert electric cable (1) as shown. ● Close tab (5) and allow it to engage. Distance between the cable clip and switch: 25 - 27 cm 7.4 Assembling the grass catcher box ● Push stud (D) through the bores provided from the inside. Installing the upper handlebar: ● 1 Insert flat head bolt (I) through cable guide (J) and attach electric cable (1).
8. Battery and charger 8.1 General 8.3 Removing/inserting the battery ● Remove the safety plug (Ö 9.2) and hold the battery compartment cover in the open position. The RMA 339, RMA 339 C lawn mowers are operated with rechargeable STIHL AK type lithium-ion batteries only. The batteries supplied are optimally adapted to the intended purpose, however, all STIHL AK type batteries can be used.
● Insert battery (2) as shown into the battery compartment as far as it will go applying slight pressure – a clicking sound will be heard. 8.4 Charging the battery The charging time depends on various influencing factors such as e.g. the temperature of the battery and the ambient temperature. The actual charging time may differ from the specified charging time. Please refer to www.stihl.com/charging-times for charging times.
4 LEDs flash red: The battery is faulty. The LED illuminates green and the LEDs on the battery illuminate or flash green: The battery is charging. 1 LED illuminates red: The battery is too warm or too cold. The LED flashes red: There is no electrical contact between the battery and the charger, or there is a fault in the battery or in the charger. 3 LEDs illuminate red: The lawn mower is overheated 3 LEDs flash red: The lawn mower is faulty. ● Remedy the faults. (Ö 19.) 8.
Switching on eco mode: ● Move switch to position I. Switching off eco mode: ● Move switch to position 0. 9.4 Adjusting the mono handlebar (RMA 339 C) ● Lift up battery compartment cover (1) at the front and hold in the open position. (Ö 9.1) ● Removing: Remove safety plug (2) from socket (3) and keep separately from the lawn mower. Inserting: Press safety plug (2) into socket (3) as far as it will go.
9.7 Grass catcher box Transport position (for cleaning, for space-saving transport and for storage of the machine): ● Loosen rotary handles (1) until they turn freely. ● Fold down upper handlebar (2) forwards. Working position (to push machine): ● Fold up upper handlebar (2) rearwards and hold with one hand. ● Tighten rotary handles (1). Ensure correct position of cable guide (3). 9.6 Central cutting height adjustment Six cutting heights can be selected.
10.1 General Function: The speed of the motor is reduced automatically when less power is required. If more power is required, the speed is increased again within a fraction of a second. To ensure a perfect, thick lawn, mow regularly and keep the grass short. 10.3 Working area for operator 10. Notes on working with the machine Do not cut the lawn too short in hot, dry conditions as it will dry out or burn in the sun and become unsightly.
Recommencing operation 10.4 Correct motor load Do not switch the lawn mower on in tall grass. Select a higher cutting height setting if the motor is difficult to start. The lawn mower load must never cause the motor speed to drop significantly. If the speed drops when mowing tall grass, select a higher cutting height setting and/or reduce the speed of propulsion. When eco mode is switched on, the speed is reduced automatically when less power is required. (Ö 10.2) 10.
EN 12.3 Switching the lawn mower off ● 1 Press and hold ON button (1). ● 2 Pull motorstop lever (2) to the handlebar and hold. ● ON button (1) can be released once motorstop lever (2) is pulled. ● Detach the grass catcher box. (Ö 9.7) ● Release motorstop lever (1). Motor and mowing blade come to a stop after a short run-down time. ● Open the grass catcher box at tab (1). Fold up upper part of grass catcher box (2) and hold. Fold the grass catcher box rearwards and empty the clippings.
Cleaning position RMA 339 C: 13. Maintenance ● Hold the machine with your right hand on the front handle and tilt it rearwards slowly until the handlebar is in contact with the ground as shown. ● Release discharge flap (1) and detent lever (2) and check that the machine is stable. 13.1 General Risk of injury! Observe the safety instructions in the section "For your safety" (Ö 4.). Cleaning position RMA 339: Remove the safety plug, particularly before performing any work on the lawn mower (Ö 9.2).
13.3 Electric motor and wheels The electric motor is maintenance-free. The wheel bearings are maintenance-free. 13.4 Battery Maintenance interval: Before each use ● Clean the battery with a damp cloth. ● Visually check that the battery is undamaged. Batteries with identifiable damage (e.g. cracks or escaping fluid), must not be used. EN ● If necessary, use a special cleaner (e.g. STIHL special cleaner). 13.
– if the measured values are achieved at one or more places or are outside the permissible limits. 2 Installing: ● Apply Loctite 243 to the thread of blade fastening screw (3). ● Tighten blade fastening screw (3). Tightening torque: 10 - 15 Nm 13.7 Removing and installing the mowing blade 13.8 Sharpening the mowing blade In order to prevent damage to the blade fastening screw, use a suitable socket (22 mm) for loosening and tightening.
Keep all nuts, pins and bolts tightly fastened, replace danger signs and warnings on the machine that have become illegible, check the entire machine for wear and damage. Replace all worn or damaged parts. Any machine faults must be completely remedied prior to storage. Note the following points when storing the lawn mower for long periods (winter break): ● Clean all external parts of the machine with care. ● Thoroughly lubricate/grease all moving parts.
● Carry the lawn mower using both hands, with one hand at upper transport handle (2) and the other hand at lower transport handle (1), or ● carry the lawn mower with one hand at upper transport handle (2). Securing (lashing) the machine: The battery is subject to the requirements for transporting hazardous goods. The battery is classed as a UN 3480 (lithiumion battery) and has been tested in accordance with the UN Manual of Tests and Criteria, Part III, subsection 38.3. Please refer to www.stihl.
These include: – damage to the drive motor as a result of inadequate cleaning of the cooling air guide (inlet slots), – corrosive and other resultant damage caused by incorrect storage, Always dispose of batteries properly – observe local regulations. Do not dispose of batteries with domestic waste, but hand it in to a specialist dealer or at a hazardous waste collection point. 17.
RMA 339.0 C Measurement in accordance with EN 20643 # If necessary, contact a specialist dealer; STIHL recommends STIHL specialist dealers. 18.1 STIHL AK battery Battery technology Voltage Capacity in Ah Energy content in Wh Weight in kg Permissible temperature range Lithium-ion 36 V See rating plate See rating plate See rating plate -10°C to +50°C This symbol indicates the number of cells and the energy content according to the cell manufacturer's specifications.
Fault: Discharge chute blocked Possible cause: – Mowing blade is blunt or worn, – Rate of feed is too high in relation to the cutting height Possible cause: – Mowing blade is worn – Mowing grass which is too long or too wet Remedy: – Re-sharpen or replace mowing blade (Ö 13.8) – Reduce rate of feed and/or select correct cutting height (Ö 9.6) Remedy: – Replace mowing blade (Ö 13.8) – Adapt cutting height and mowing speed to mowing conditions (Ö 9.
– Charger power supply faulty Remedy: – Remove battery from battery compartment and reinsert (Ö 8.3) – Connect charger to the mains (Ö 8.2) – Check mains power supply – Check charger, replace if necessary (#) 20. Service schedule 20.1 Handover confirmation Fault: LED on charger flashes red Possible cause: – No electrical contact between charger and battery – Battery defective (4 LEDs on the battery flash red for approx.
EN 0478 131 8327 B - EN 35
STIHL RMA 339, RMA 339 C 0478 131 8327 B B
