How do I start my Petrol Hedge Trimmer
Created by Chris McHale, Modified on Tue, 30 Jun at 3:26 PM by Chris McHale
Quick Answer
Starting your petrol hedge trimmer depends on whether the engine is cold or warm. For a cold engine, use the choke and primer bulb before pulling the starter cord. For a warm engine, leave the choke in the Run position and pull the starter cord until the engine starts.
⚠️ Safety Notice
Before starting your hedge trimmer:
- Read and understand the user manual.
- Check that the cutting blades are clear of any obstructions.
- Ensure all guards are correctly fitted.
- Start the hedge trimmer on a flat, stable surface.
- Keep bystanders and pets at a safe distance.
- Never start the machine indoors or in an enclosed area, as exhaust gases contain carbon monoxide.
Cold Start Procedure
Use this procedure when starting the hedge trimmer for the first time of the day or after it has been left unused for an extended period.
Step 1: Set the Start/Stop Switch
Move the Start/Stop switch to the START position.
Step 2: Apply Full Choke
Move the choke lever to the Full Choke position (diagonal line symbol).
This reduces airflow and enriches the fuel mixture, making a cold engine easier to start.
Step 3: Prime the Fuel System
Press the primer bulb approximately 7 times, or until fuel can be seen flowing through the bulb.
Step 4: Position the Machine Safely
Place the hedge trimmer on a flat, stable surface.
Hold the front handle firmly with your left hand.
Step 5: Pull the Starter Cord
Using your right hand, pull the starter cord sharply until the engine attempts to start.
Step 6: Move the Choke to the Run Position
As soon as the engine attempts to fire, move the choke lever to the Run position (vertical line symbol).
Step 7: Start the Engine
Pull the starter cord again until the engine starts and runs.
Step 8: Allow the Engine to Warm Up
Allow the engine to idle for 15–30 seconds before operating the hedge trimmer.
Warm Start Procedure
Use this procedure when restarting the hedge trimmer shortly after it has been switched off.
Step 1: Set the Start/Stop Switch
Move the Start/Stop switch to the START position.
Step 2: Set the Choke to Run
Ensure the choke lever is in the Run position (vertical line symbol).
Step 3: Start the Engine
Pull the starter cord until the engine starts and runs normally.
Control Guide
| Control | Function |
|---|---|
| Start Position | Enables the engine to start and run |
| Stop Position | Stops the engine |
| Full Choke (Diagonal Line) | Used when starting a cold engine |
| Run Position (Vertical Line) | Normal operating position |
| Primer Bulb | Pumps fuel into the carburettor |
| Starter Cord | Starts the engine |
Safety Information
Do not operate the hedge trimmer with the choke left in the Full Choke position once the engine is running.
Always move the choke to the Run position after the engine attempts to start. Leaving the choke on can flood the engine, reduce performance, and make restarting more difficult.
Frequently Asked Questions
Why won't my petrol hedge trimmer start?
Check that the start/stop switch is in the START position, the fuel tank contains the correct fuel mixture, the engine has been primed, and the correct starting procedure has been followed.
How many times should I press the primer bulb?
Press the primer bulb approximately 7 times, or until you can see fuel flowing through it.
Should I use the choke every time I start the hedge trimmer?
No. Use the choke only when starting a cold engine. For a warm restart, leave the choke in the Run position.
What happens if I leave the choke on?
Leaving the choke in the Full Choke position after the engine starts can flood the engine, causing poor performance or preventing it from restarting.
How long should I let the engine warm up?
Allow the engine to idle for 15–30 seconds before beginning work.
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