Troubleshooting - Toro 51903 Manuel De L'utilisateur

2. Start the engine and allow it to run until it stalls.
This ensures that all fuel has been drained from
the carburetor.
3. Allow the engine to cool. Remove the spark plug
and put approximately 1 oz (30 ml) of any high
quality motor oil or 2-cycle oil into the cylinder.
Pull the starter rope slowly to distribute the oil.
Reinstall the spark plug.
Note: Remove the spark plug and drain all of

Troubleshooting

Problem
Engine Will Not Start
Engine Will Not Idle
Engine Will Not Accelerate
Engine Lacks Power or Stalls When g
C tti Cutting
Cutting Head Will Not Advance Line Cutting head out of line
If further assistance is required, contact your local authorized Toro service dealer.
EN–13
4. Thoroughly clean the unit and inspect for any
loose or damaged parts. Repair or replace
damaged parts and tighten loose screws, nuts or
bolts.
The unit is now ready for storage.
5. Store the trimmer in a dry, well-ventilated area
out of the reach of children.
Cause
Empty fuel tank
Primer bulb wasn't pushed enough
Engine flooded
Cutting head bound with grass
Carburetor misadjusted
Throttle wire has come loose
Dirty air filter
No oil in fuel
Inner reel bound up
Cutting head dirty
Indexing teeth worn or burred
Line welded
Line twisted when refilled
Not enough line is exposed
the oil from the cylinder before
attempting to start the trimmer after
storage.
Action
Fill fuel tank
Press primer bulb fully and slowly
5-7 times
Use starting procedure WITHOUT
USING CHOKE
Stop engine and clean cutting head
Adjust carburetor
Tighten throttle wire
Clean or replace air filter
Add oil to fuel
Refill with new cutting line
Replace inner reel
Clean reel and spool
Replace reel and spool
Disassemble, remove the welded
section and rewind the line
Disassemble and rewind reel
Push the Bump Knob and pull out
102 mm (4 in) of line until the line is
outside of the cutting head