FAQ - QUESTIONS & ANSWERS SECTION
FAQ - QUESTIONS & ANSWERS SECTION

OIL HEATER

The E1 message notifies about a failure or incorrect operation of the fuel delivery system.

Possible cause of failure:

Procedure:

Air pressure too low

Air pump adjustment (adjustment screw on the rear pump housing)

Fuel level too low

Refilling the fuel tank

Dirty air filters

Cleaning, preferably filter replacement

Fuel nozzle dirty

Clean or replace the nozzle

The device should be checked without a chimney; the cause may be a too long chimney.
Oil heaters are used to heat non-residential utility rooms.
We distinguish two types of heaters: with and without exhaust gas discharge. The former heat rooms with clean, warm air thanks to the removal of exhaust gases. They can also be used in rooms where people and animals stay. However, the exhaust must be routed safely through the chimney. Devices without exhaust gas discharge are used in medium-sized and larger rooms that are provided with adequate ventilation. Please remember that the resulting exhaust gases are dangerous to health and life.
This product is intended for use as an additional heat source, it cannot be used as the main heat source.

Petrol Mowers

The first oil change in a new mower should take place after the engine has been running for 5 hours. Each subsequent replacement should occur once per season or every 25-35 hours, whichever comes first.

Replacement is recommended first and is the most important as it removes any metal particles remaining from the engine after its assembly. Changing the oil regularly helps keep your lawn mower engine in good condition, ensuring performance and long life.

ATTENTION!!! New John Gardener mowers are not filled with oil, you must top up the oil before using them for the first time!

What oil for a lawn mower?

Use 4-stroke or 10W-40 engine oil

Lawn mulching means that the mower blades cut the mown grass into very small pieces, which then fall onto the lawn - in this method we mow without a basket, thus avoiding problem of composting grass clippings 

Yes, Geko mowers have a grass mulching function.

Mulching tips:
-Mow only 1/3 of the height of the lawn at a time,
-Make sure that the blade is sharpened regularly. Try to mow when the lawn is dry.
-Set the throttle lever to maximum, grind at a relatively slow pace.
-Regularly clean the grinding plug, the bottom of the mower and the discharge chute.
Installing the grinding plug.
Make sure the mower is stationary and the engine is turned off.
-Lift the rear cover and remove the grass catcher.
-Insert the grinding plug into the discharge chute. Lock the grinding cap into the hole.
- Lower the rear cover.

1. An insufficient amount of air supplied to the engine may weaken the engine of a petrol lawn mower, which causes carbon deposits to accumulate.
Insufficient air may be caused by the throttle not opening properly while the unit is operating, resulting in incomplete combustion of gasoline. Long-term operation in this way accelerates the accumulation of carbon deposits in the combustion chamber. The solution is to check the proper operation of the carburettor throttle and the throttle lever on the handle. Make sure they are completely open.

2. Also, a clogged air filter leads to reduced air intake and results in incomplete fuel combustion. Dust and dirt also clog the air filter. Another possible cause may be a filter element saturated with engine oil. You should then clean the air filter and carburettor with pressurized air or clean gasoline and then start the mower at high speed so that the remaining carburettor dirt can be flushed out.

3. Please note that excessive engine oil or mowing the grass at an angle will allow a large amount of oil to enter the combustion chamber, causing severe carbon build-up on the spark plug. Then check the spark plug for contamination. If the spark plug is dirty, it should be cleaned of accumulated carbon deposits or replaced. Then check the engine oil level and make sure it is in proper condition. After performing the above-described activities, start the device at high speed and let the mower work for 1-2 minutes.



4. Loose ignition wires cause unstable ignition. The position of the nut should be adjusted to ensure proper cable tension.

5. Loose valves or excessive valve clearance. Symptoms of such a fault may include regular crackling noises in the running engine. Check and adjust the valve valve clearance (intake valve 0.06-0.07; exhaust valve 0.07-0.09).

6. Leaks from the cylinder head, manifest themselves as oil leaking around the head cover. Remove the lower cylinder head, clean and replace the gasket. After cleaning, adjust the valves according to the previous parameters.

7. Deformation of the adjuster spring due to impact or bending. This results in reduced mower speed and insufficient engine power. Check and adjust the engine speed with the adjustment screw to set the mower speed to approximately 2800-3000 rpm.

8. Damage to the flywheel wedge is caused by hitting a stone or a solid element protruding from the mowed grass. This contributes to the misalignment of the ignition timing. Then the mower does not start or you can hear cracking and popping sounds from the carburetor during operation. The key on the shaft should be replaced and the flywheel should be adjusted accordingly.

The most common cause of problems with starting a lawn mower after winter is leaving fuel in the tank. After the season, the fuel should be drained, then the mower should be started and the engine should be left to turn off automatically.
The cause of your mower vibrating could be a crooked blade or hub. In such a situation, these elements should be replaced to avoid damaging the mower.

Possible cause of failure:

Procedure:

Out of fuel

Refilling the tank

Dirty filter

Clean/replace filter

No spark, damaged spark plug

Replacing the spark plug with a new one

No spark, too weak throttle cable tension

Adjusting the throttle cable

The most common reason for a non-functioning drive may be grass that has got under the drive belt cover. In such a situation, unscrew the knife and the belt cover, clean these elements and re-install the belt.

WELDING MACHINE

The electrical installation supplying the welding machine should be made with a copper cable with a cross-section of 3x2.5mm2, it should be routed from a fuse with a nominal value of 16A. Assuming that the welding machine will be the only device connected to the power supply circuit. Do not use the welding machine if the power supply network does not have a protective conductor. 

TVARDY POWER GENERATORS

When selecting a generator for your devices, you should take into account, among others:

Power types:

  • single-phase receivers
  • three-phase receivers

Type of receivers according to the type of received power:

  • induction receivers - devices such as single and three-phase motors, power tools, transformers, etc.
  • resistive receivers - devices such as household appliances and electronics, lighting, electric heating, etc.
  • non-linear receivers - devices whose power increases with the increase in device efficiency: UPS power supplies, inverters, computer equipment.

The power rating of each device should be listed on the device nameplate. This power is given in the unit of active power - kW (kilowatts). When selecting a generator, add up the power of single-phase and three-phase receivers. You should select a generator with a power that exceeds the total power of the receivers.

Single-phase generator

If we only have single-phase devices, you can purchase a single-phase generator, without a three-phase socket.

When selecting the generator, additional power oversizing should be used, e.g. for resistive and non-linear receivers, the power demand of the generator must be at least 1.2 times greater than the rated power of the device. For induction receivers, the power requirement is at least 3 times higher than the rated power of the device. The reason for this oversizing is the starting currents. For example, the power consumed when starting an electric motor can be approximately 2 to 4 times greater than its nominal power requirement during continuous operation.

Example:

  • single-phase electric motor 2kW*3=6kW
  • TV 0.7kW*1.2=0.84kW

Three-phase generator

If we decide on a generator that will be able to connect both single-phase and three-phase devices, we should choose a generator that has single-phase and three-phase sockets.

When selecting power-powered devices, the following conversion factors should be used:

Three-phase motor electric:

  • star connected - requires a power supply at least 3 times greater than the rated power of the device
  • connected in a delta system - the power demand is at least 9 times greater than the rated power of the device
  • star/delta connection (soft start, soft start) - requires a power supply at least 3 times greater than the rated power of the device
  • with inverter - required power is at least 1.5 times the rated power of the device
  • receiver (power tool) - power required, at least 1.2 times the rated power of the device.

In the case of an electric motor, check its starting current and select the appropriate generator power.

Heating equipment:

  • The power requirement is at least 1.2 times the rated power of the device.

Lighting:

  • Incandescent - power requirement is at least 1.2 times the rated power of the device
  • Sodium - energy demand, at least 5 times greater than the rated power of the device

UPS Power:

  • power required, at least 1.7 times the rated power of the device

Electrical appliances:

  • The power requirement is at least 1.2 times the rated power of the device.
A generator with a diesel engine, unlike gasoline-powered generators, has much lower operating costs. This unit is efficient, failure-free, and its operating costs are much lower than those of petrol units. If a fault occurs, it can be repaired easily and quickly.
Yes, each TVARDY Petrol Generator model is equipped with copper windings in a generator.
For the safety of the generator operation, the device should be started without load. Only when the engine reaches the required speed can we connect the receivers, starting with the one with the highest power.
AVR (Automatic Voltage Regulation) - it is a system for automatic regulation of the output voltage. Thanks to automatic regulation, we can connect electronic devices sensitive to all voltage fluctuations to the generator, such as electronics or household appliances.
T05002, T05003, T05004, T05000 generators have AVR. The T05001 generator does not have automatic voltage regulation AVR. Devices sensitive to voltage changes should not be connected to such a generator.

Mini Fuel Dispenser

If the pump does not want to draw fuel, check the tightness of the suction pipe.
The G01025 distributor is a type of pump that needs to be filled with fuel before being used. To ensure optimal functioning, the pump necessitates a tightly coiled suction pipe that includes a non-return valve at the end. Before usage, both the suction hose and pump must be filled with fuel. The Geko G01023 fuel dispenser, on the other hand, is equipped with a vane pump that automatically draws in fuel, eliminating the need for pre-filling. Furthermore, the pump is fitted with a non-return valve, preventing fuel from flowing back through the suction line.
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