Ryobi RY252CS, Руководство оператора, Страница: 17 / 86

13 — English
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Engine will not start No spark
No fuel
Engine is flooded
Clean or replace spark plug. Reset spark plug gap.
Refer to
Spark Plug Replacement
earlier in this
manual.
Push primer bulb until bulb is full of fuel. If bulb does
not fill, primary fuel delivery system is blocked.
Contact a qualified service dealer. If primer bulb
fills, engine may be flooded, proceed to next item.
Set the CHOKE lever to the FULL CHOKE position.
Squeeze the trigger and pull the starter grip and rope
repeatedly until the engine starts and runs.
NOTE : Depending on the severity of the flooding,
this may require numerous pulls of the rope.
Engine does not reach full
speed and emits excessive
smoke Incorrect lubricant/fuel mixture
Air filter screen is dirty
Spark arrestor screen is dirty
Spark plug fouled
Use fresh fuel and the correct 2-cycle lubricant
mix. (50:1).
Clean air filter screen. Refer to
Cleaning the Air
Filter
earlier in this manual.
Contact a qualified service dealer.
Clean or replace spark plug. Reset spark plug gap.
Refer to
Spark Plug Replacement earlier in this
manual.
Engine starts, runs, and
accelerates but will not idle Idle speed screw on carburetor
needs adjustment Turn idle speed screw clockwise to increase idle
speed.
See Figure 17.
Line will not advance Line is welded to itself
Not enough line on spool
Line is worn too short
Line is tangled on spool
Engine speed is too slow
Lubricate line with silicone spray.
Install more line. Refer to the applicable line re-
placement section in this manual.
Pull lines while alternately pressing down on and
releasing spool retainer.
Remove line from spool and rewind. Refer to the
applicable line replacement section in this manual.
Advance line 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 drive
shaft 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
If problem persists after trying the above solutions, contact customer service or a qualified service center for assistance.
NOTICE:
As the equipment owner, you are responsible for the performance of the required maintenance listed in the Maintenance
section. It is recommended that you retain all receipts covering maintenance on your equipment. Neglecting or failing to
perform the required maintenance may increase emissions, decrease fuel efficiency, degrade performance, cause irreversible
engine damage and/or void your warranty.