Troubleshooting
Aldi Gardenline (57774) 4 Stroke Petrol Lawn Mower
| Problem | Possible Cause | Solution |
| The engine does not start. | Fuel tank (14) is empty. The oil tank is empty.
Spark plug (24). Blade hitting the grass to be cut. Old fuel in tank or bowl. On/Off switch (2) not turned on. |
Check the fuel tank (14), and refuel if required.
Check the level of the oil dipstick (17), and if low or empty, add oil. Clean or replace if dirty or worn. Increase the cutting height of the mower so the blades do not make contact with the grass on startup. FULLY drain the fuel from the fuel tank (14) via the drain in the bowl of the carburettor. Even if there is no fuel in the fuel tank (14), drain all old fuel out of the bowl. Refer page 19. Check the On/Off switch (2) is in the “ON” position. |
| Cutting / Engine performance decreases. | Cutting height.
Bar blade (26) is dull or blunt. Hard catcher (7) is full. |
Increase the cutting height using the 8 height adjustment lever (28).
Replace the blade (26) with a new/sharp blade. NOTE: Always ensure the engine is turned off before undertaking this task. Empty hard catcher (7). |
| Hard catcher is not filling up to the optimum level. | Cutting height too low.
The grass is wet. Bar blade (26) is dull or blunt. |
Increase the cutting height using the 8 height adjustment lever (28).
Allow the grass to dry before mowing. Sharpen or replace bar blade (26). |
| The engine will not stop. | On/Off switch (2) not turned Off. | Depress the “O” on the On/ Off switch (2). |
| (DO NOT Panic) | Pump the priming bulb (22) 5 or 6 times quickly. | |
| Remove spark plug cap. | ||
| Allow the motor to continue to run until fuel all used. Do NOT leave the mower unattended. |
4 Stroke Petrol Lawn Mower
Engine: 141cc, Four Stroke
Engine Capacity: 141cc
Bore: 65 mm
Stroke: 42.5 mm
Speed: 2800 RPM +/- 10%
Fuel Type: Unleaded petrol
Oil Type: 4 Stroke Motor Oil SAE 10W/30
Fuel Tank Capacity: 1.3L/1300ml
Oil Tank Capacity: 0.35L/350ml
Width of cut: 46cm/460mm/(18”)
Blades: Bar Blade
Height adjustment: 8 Levels, 20 – 70mm +/- 5mm Spark Plug Type: LG F7RTC
Equivalent Replacement
Spark Plug: NGK BPR6ES
Catcher Capacity: 55 Litres
Weight (GW): 30.55 kg
Noise label rating: 74dBA (taken at 7.5 metres) You must wear ear protection at all times.
Product Dimensions: 150cm x 53cm x 112/108.5cm
+/- tolerances (L x W x H)
An operator manual and service manual is available from the website search for the Gardenline Ali Lawnmower
