Ryobi Outdoor RY52002 Manual Do Utilizador

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TROUBLESHOOTING
PROBLEM
CAUSE
REMEDY
Engine will not start.
No spark.
No fuel.
Engine is flooded.
Starter  rope  pulls  harder  now 
than when new.
Check spark. Remove spark plug. Reattach the spark plug cap and lay 
spark plug on metal cylinder. Pull the starter rope and watch for spark at 
spark plug tip. If there is no spark, repeat test with a new spark plug.
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.
Pull starter three times with choke lever at “RUN”. If engine does not 
start, move choke lever to “START” and repeat normal starting pro-
cedure. If engine still fails to start, repeat procedure with a new spark 
plug.
Contact a servicing dealer.
Engine starts but will not 
accelerate.
Engine  requires  approximately 
three minutes to warm up.
Allow engine to completely warm up. If engine does not accelerate 
after three minutes, contact a servicing dealer.
Engine starts but will only 
run at high speed at half 
choke.
Carburetor requires adjustment.
Contact a servicing dealer.
Engine  does  not  reach 
full  speed  and  emits 
excessive smoke.
Check oil fuel mixture.
Air filter is dirty.
Spark arrestor screen is dirty. 
Use fresh fuel and the correct 2-cycle oil mix.
Clean air filter. Refer to “Replacing and Cleaning Air Filter” earlier in 
this manual.
Contact a servicing dealer.
Engine starts, runs, and 
accelerates  but  will  not 
idle.
Idle speed screw on carburetor 
Turn idle speed screw clockwise to increase idle speed. 
Bar  and  chain  running 
hot and smoking.
Check chain tension for overtight 
condition
Chain oil tank empty
Tension  chain.  Refer  to  “Chain  Tension”  earlier  in  this  manual.
Check oil tank.
Motor runs, but chain is 
not rotating.
Chain  tension  too  tight.
Check guide bar and chain as-
sembly.
Check  guide  bar  and  chain  for 
damage.
Retension chain. Refer to “Chain Tension” earlier in this manual.
Refer  to  “Replacing  the  Bar  and  Chain”  earlier  in  this  manual.
Inspect guide bar and chain for damage.
String won’t advance
String is welded to itself.
Not enough string on spool.
String is worn too short.
String is tangled on spool.
Engine speed is too slow.
Lubricate string with silicone spray.
Install  more  string.  Refer  to  “String  Replacement”  earlier  in  this 
manual.
Pull strings while alternately pressing down on and releasing spool 
retainer.
Remove string from spool and rewind. Refer to “String Replacement” 
earlier in this manual.
Advance string at full throttle.
Spool  retainer  hard  to 
turn
Screw  threads  are  dirty  or 
damaged.
Clean threads and lubricate with grease - if no improvement, replace 
the spool retainer.
Grass  wraps  around 
driveshaft  housing  and 
string head
Cutting  tall  grass  at  ground 
level.
Operating  trimmer  at  part 
throttle.
Cut tall grass from the top down to prevent wrapping. 
Operate trimmer at full throttle.