Ryobi RBC430SBS - TROUBLESHOOTING

14
ENGLISH
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Engine will not start 1. No spark. 1. Clean or replace spark plug. Reset spark plug gap. Refer to Spark
Plug Replacement earlier in this manual.
2. No fuel. 2. 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.
3. Engine is flooded. 3. Set the start lever to the START 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 has difficulties Fuel is having trouble atomizing 1. Lay the brush cutter on a level surface.
starting in colder (winter) in cold conditions. 2. Place the engine switch to the "ON"(I) position.
conditions. 3. PRIME - press the primer bulb 10 times slowly.
4. SET the choke lever to the "START" position.
5. PULL the starter rope with a quick firm and consistent
upward motion until the engine starts/fires.
6. Re-adjust choke lever to half way and allow engine to warm up
for 5-20 seconds. If the engine has attempted to start but fails to
run on, Re-start the engine in the half choke position and allow
engine to warm up.
7. Squeeze throttle trigger to disengage the fast idle (which
automatically adjusts choke to run position).
Engine does not reach full Fuel flow problem If problem persists contact a servicing dealer. The fuel filter may
speed need replacing.
Engine does not reach full 1. Air filter screen is dirty. 1. Clean air filter screen.
speed and emits excessive 2. Spark arrestor screen is dirty. Refer to Cleaning Air Filter Screen earlier in this manual.
smoke 2. Contact a servicing dealer.
3. Spark plug fouled. 3. Clean or replace spark plug. Reset spark plug gap. Refer to Spark
Plug Replacement earlier in this manual.
Engine starts, runs, and Idle speed screw on carburettor Turn idle speed screw clockwise to increase idle speed.
but will not idle needs adjustment. See Figure 16.
Line will not advance 1. Line is welded to itself. 1. Lubricate line with silicone spray.
2. Not enough line on spool. 2. Install more line. Refer to the applicable line replacement
section in this manual.
3. Line is worn too short. 3. Pull both ends of the line while alternately pressing down on and
releasing spool retainer.
4. Line is tangled on spool. 4. Remove line from spool and rewind.
Refer to the applicable line replacement section in this manual.
5. Engine speed is too slow. 5. Advance line at full throttle.
Spool retainer hard to turn Screw threads are dirty or Clean threads and lubricate with grease - if no improvement,
damaged. replace the spool retainer.
Grass wraps around 1. Cutting tall grass at ground 1. Cut tall grass from the top down to prevent wrapping.
driveshaft housing and level.
line head 2. Operating trimmer at part 2. Operate trimmer at full throttle.
throttle.
Engine emits too much Too much oil in crankcase. Drain lubricant and refill with correct amount of 10W-30 engine
smoke lubricant. See Adding/Checking Engine Lubricant in the
Operation section of this manual.
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORISED SERVICE DEALER.
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RBC430SES/SBS manual(TTIA).indd Sec2:14RBC430SES/SBS manual(TTIA).indd Sec2:14 09-9-23 5:2509-9-23 5:25