Справочник Пользователя для Ryobi RY34001

10 — English

Do not at any time let brake fluids, gasoline, petroleum-
based products, penetrating lubricants, etc., come in con-
tact with plastic parts. Chemicals can damage, weaken or 
destroy plastic which may result in serious personal injury.

You can often make adjustments and repairs described 
here. For other repairs, have the power head serviced by 
an authorized service dealer.

NOTE: Depending on the type of fuel used, the type and 
amount of lubricant used, and/or your operating conditions, the  
exhaust port, muffler, and/or spark arrestor screen may be-
come blocked with carbon deposits. If you notice a power 
loss with your gas powered tool, you may need to remove 
these deposits to restore performance. We highly recom-
mend that only qualified service technicians perform this 
service.

The spark arrestor must be cleaned or replaced every 50 
hours or yearly to ensure proper performance of your prod-
uct. Spark arrestors may be in different locations depending 
on the model purchased. Please contact your nearest au-
thorized service dealer for the location of the spark arrestor 
for your model.

See Figure 9.
If the cutting attachment turns at idle, the idle speed screw 
needs adjusting on the engine. Turn the idle speed screw 
counterclockwise to reduce the idle RPM and stop the cut-
ting attachment movement. If the cutting attachment still 
moves at idle speed, contact a service dealer for adjustment 
and discontinue use until the repair is made.

The cutting attachment should never turn at idle. Turn 
the idle speed screw counterclockwise to reduce the 
idle RPM and stop the cutting attachment, or contact a 
service dealer for adjustment and discontinue use until 
the repair is made. Serious personal injury may result 
from the cutting attachment turning at idle. 

See Figures 10 - 11.
For proper performance and long life, keep air filter screen 
clean.


  Remove the air filter cover by pushing down on the latch 

with your thumb while gently pulling on the cover.



  Brush the air filter screen lightly to clean. 



  Replace the air filter cover by inserting the tabs on the 

bottom of the cover into the slots on the air filter base; 
push the cover up until it latches securely in place.

Check for fuel leaks. A leaking fuel cap is a fire hazard 
and must be replaced immediately. If you find any leaks, 
correct the problem before using the product. Failure 
to do so could result in a fire that could cause serious 
personal injury.

The fuel cap contains a non-serviceable filter and a check 
valve. A clogged fuel filter will cause poor engine perfor-
mance. If performance improves when the fuel cap is loos-
ened, check valve may be faulty or filter clogged.  Replace 
fuel cap if required.

This engine uses a Champion RY4C spark plug with  
.025 in. electrode gap. Use an exact replacement and re-
place annually.

See Figure 12.
For best performance, engine lubricant should be changed 
after every 25 hours of operation. 
To change the engine lubricant:


  Stop the engine and disconnect the spark plug wire. Allow 

the engine to cool completely before proceeding.



  Remove the screw from the top engine cover and set 

aside. 



  Remove the screws from the bottom of the engine cover. 

Remove the bottom cover and set aside.



  Remove the oil fill cap/dipstick.



  Tip power head on its side and allow lubricant to drain 

from the oil fill hole into an approved container.

Drain the lubricant while the engine is still warm 

but not hot. Warm lubricant will drain quickly and more 
completely.



  Return the power head to an upright position and refill 

with lubricant following the instructions in the 

Checking Engine Lubricant section previously in this 
manual.