MAINTENANCE

nTo use the hanger cap, push in the button and place the hanger cap over end of the lower end attachment shaft. Slightly rotate the cap from side to side until the button locks into place.

When storing 1 month or longer:

Drain all fuel from tank into a container approved for gasoline. Run engine until it stops.

TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

Engine will not start.

No spark.

Clean or replace spark plug. Reset spark plug gap. Refer to Spark

 

 

Plug Replacement earlier in this manual.

 

No fuel.

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, proceed to next item.

 

Engine is flooded.

Pull starter three times with choke lever at “RUN”. If engine does

 

 

not start, move choke lever to “START” and repeat normal starting

 

 

procedure. If engine still fails to start, repeat procedure with a new

 

 

spark plug.

 

Starter rope pulls harder

Contact a servicing dealer.

 

now than when new.

 

 

 

 

Engine starts but will

Engine requires approxi-

Allow engine to completely warm up. If engine does not accelerate

not accelerate.

mately three minutes to

after three minutes, contact a servicing dealer.

 

warm up.

 

 

 

 

Engine starts but will

Carburetor requires

Contact a servicing dealer.

only run at high speed

adjustment.

 

at half choke.

 

 

 

 

 

Engine does not reach

Check lubricant fuel

Use fresh fuel and the correct 2-cycle lubricant mix.

full speed and emits

mixture.

 

excessive smoke.

Air filter screen is dirty.

Clean air filter screen. Refer to Cleaning Air Filter Screen earlier

 

 

 

in this manual.

 

Spark arrestor screen is

Contact a servicing dealer.

 

dirty.

 

 

 

 

Engine starts, runs,

Idle speed screw on

Turn idle speed screw clockwise to increase idle speed.

and accelerates but

carburetor

 

will not idle.

 

 

 

 

 

Bar and chain running

Check chain tension for

Tension chain. Refer to Chain Tension earlier in this manual.

hot and smoking.

overtightened condition

 

 

Chain oil tank empty

Check oil tank.

 

 

 

Motor runs, but chain

Chain tension too tight.

Retention chain. Refer to Chain Tension earlier in this manual.

is not rotating.

Check guide bar and chain

Refer to Replacing the Bar and Chain earlier in this manual.

 

 

assembly.

 

 

Check guide bar and chain

Inspect guide bar and chain for damage.

 

for damage.

 

 

 

 

13 — English

Page 17
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Ryobi RY52907, RY52604 manuel dutilisation Troubleshooting, When storing 1 month or longer, Problem Possible Cause Remedy

RY52907, RY52604 specifications

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