Ryobi RY34446 User Manual - Page 19

Troubleshooting

Page 19 highlights

TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM Engine will not start POSSIBLE CAUSE No spark. No fuel. Engine is flooded. SOLUTION 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 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 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 Air filter is dirty. speed and emits excessive smoke Spark arrestor screen is dirty. Spark plug fouled. Clean air filter. Refer to Cleaning the Air Filter earlier in this manual. Contact a servicing dealer. Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. Engine starts, runs, and accel- Idle speed screw on carburetor Turn idle speed screw clockwise to increase idle erates but will not idle needs adjustment. speed. See Figure 20. Engine emits too much smoke Too much oil in crankcase. Drain lubricant and refill with correct amount of 20W50 engine lubricant. See Adding/Checking Engine Lubricant in the Operation section of this manual. Engine rope cannot be pulled Oil has entered the combustion This is usually caused by storing the unit for an chamber. extended time with the engine in an upside-down position. Remove and clean the spark plug. Drain the oil out of the spark plug hole, then reinstall the spark plug. Check engine lubricant and add if necessary prior to starting. Refer to Adding/Checking Engine Lubricant earlier in this manual. Line will not advance Line is welded to itself. Replace line. Refer to the applicable line replacement section in this manual. Not enough line on spool. Install more line. Refer to the applicable line replacement section in this manual. Line is worn too short. Pull lines while alternately pressing down on and releasing spool retainer. Line is tangled on spool. Remove line from spool and rewind. Refer to the applicable line replacement section in this manual. Engine speed is too slow. Advance line at full throttle. 15 - English

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52

15 — English
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
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. Con-
tact a 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 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
Air filter is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
Clean air filter. Refer to
Cleaning the Air Filter
earlier
in this manual.
Contact a servicing dealer.
Clean or replace spark plug. Reset spark plug gap.
Refer to
Spark Plug Replacement
earlier in this
manual.
Engine starts, runs, and accel-
erates but will not idle
Idle speed screw on carburetor
needs adjustment.
Turn idle speed screw clockwise to increase idle
speed.
See Figure 20.
Engine emits too much smoke
Too much oil in crankcase.
Drain lubricant and refill with correct amount of
20W50 engine lubricant. See
Adding/Checking
Engine Lubricant
in the
Operation
section of this
manual.
Engine rope cannot be pulled
Oil has entered the combustion
chamber.
This is usually caused by storing the unit for an
extended time with the engine in an upside-down
position. Remove and clean the spark plug. Drain
the oil out of the spark plug hole, then reinstall the
spark plug.
Check engine lubricant and add if necessary prior to
starting. Refer to
Adding/Checking Engine Lubri-
cant
earlier in this manual.
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.
Replace line. Refer to the applicable line replacement
section in this manual.
Install more line. Refer to the applicable line replace-
ment 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.