TROUBLESHOOTING

IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORISED SERVICE DEALER.

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

 

Engine will not start:

1. No spark.

1. Check spark. Remove sparking plug. Reattach

 

 

the sparking plug cap and lay sparking plug on

 

 

metal cylinder. Pull the starter rope and watch

 

 

for spark at sparking plug tip. If there is no

 

 

spark, repeat test with a new sparking plug.

 

2. No fuel.

2. Push primer bulb until bulb is full of fuel. If bulb

 

 

does not fill, primary fuel delivery system is

 

 

blocked. Contact a servicing dealer. If primer

 

 

bulb fills, engine may be flooded (see

 

 

next item).

 

3. Flooded engine.

3. Remove sparking plug, turn trimmer so spark-

 

 

ing plug hole is aimed at the ground. Make sure

 

 

lever is in the “WARM START” position and pull

 

 

starter cord 10 to 14 times. This will clear

 

 

excess fuel from engine. Clean and reinstall

 

 

sparking plug. With the throttle trigger fully

 

 

depressed, pull starter cord three times with

 

 

lever at “WARM START” position. If engine

 

 

does not start, move choke lever to “COLD

 

 

START” and follow normal starting instructions

 

 

in “STARTING AND STOPPING” section. If

 

 

engine still fails to start, repeat procedure with

 

4. Starter rope pulls harder now than

a new sparking plug.

 

when new.

4. Contact a servicing dealer.

 

 

 

 

Lever will not go into the

Throttle trigger is depressed.

Release throttle trigger. Refer to “Starting and

“COLD START” position:

 

Stopping” earlier in this manual.

 

 

 

 

Engine starts but will not

Carburettor requires adjustment.

*Turn “L” needle anticlockwise 1/16 turn. If “L” low

accelerate:

 

needle can not be turned anticlockwise, do not force

 

 

plastic limiter caps. Contact a servicing dealer.

 

 

See Figure 25.

 

 

 

 

 

Engine does not reach full speed and emits excessive smoke:

1.Check oil fuel mixture.

2.Air filter dirty.

3.Carburettor requires adjustment.

1.Use fresh fuel and the correct 2-cycle oil mix.

2.Clean air filter. Refer to “Replacing and Cleaning Air Filter” earlier in this manual.

3.Turn “H” needle clockwise 1/16 - 1/8 turn. See Figure 25.

Engine starts, runs, and ac-

Carburettor requires adjustment.

Turn idle speed screw clockwise to increase

celerates but will not idle:

 

idle speed. See Figure 25.

 

 

 

Blade continues to rotate at

Carburettor requires adjustment.

Turn idle speed screw anticlockwise to reduce

idle speed:

idle speed. See Figure 25. If after adjustment,

 

 

 

blade continues to rotate, return to an authorised

 

 

servicing dealer for repair.

 

 

 

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Image 19
Ryobi PBC3046B, RY70107 manual Troubleshooting, Idle speed. See Figure