Troubleshooting - Toro 51938 Operator's Manual

Troubleshooting
Problem Possible Cause Solution
Engine will not start 1,. Switch set to the 0 (OFF)
position.
2 No spark
3. No fuel
4. Flooded engine
5_ Starter cord pulls harder now
then when new
I. Set switch to the I (ON) position.
2.. Remove tile spark plug.. Reattach the spark
plug cap and lay the spark plug on the metal
cylinder Pull the starter cord and watch for a
spark at the spark plug tip.. If there is no spark,
repeat the test with a new spark plug.
3. Push primer bulb until the bulb is full of fuel..
If the bulb does not fill, the primary fuel
delivery system is blocked.. If the primer bulb
fills, the engine may be flooded. (See next
item..)
4 Remove the spark plug.. ']?urn the product so
that the spark plug hole is aimed at the
ground. Make sure the choke lever is set to B
and puli file starter cord 10 to t4 times.. This
dears excess fuel from the engine_ Clean and
reinstall the spark plug. With the trigger fully
depressed, pul! the starter cord 3 times,. If the
engine does nor start, set the choke lever to A
and follow normal starting instructions. If the
engine still fails to start, repeat the procedure
with a new spark plug.
5.. Contact an authorized service dealer_
Engine does not reach flail speed
and emits excessive smoke
using automatic line lengthen-
ing
Line will not advance when t, Line welded to itself
2_ Not enough line on the
spool
3. Line worn too short
4. Line tangled on spool
5. Engine speed too slow
Retaining cap hard to turn when
using automatic line lengthen-
ing
Grass wraps around the trimmer
head assembly and the attach-
ment shaft
Oil drips from muffler
t. Check oil furl mixture
2, Mr filter is dirty
3, Spark arrestor screen is dirty
Screw threads are dirty or dam-
aged
1,, Use flesh fuel and the correct 2-cycle oil mix,.
2, Clean the air filter,
3 Clean the spark arrester,.
1,, Lubricate with silicone spray,
2 Install more line
3_ Pul! line while alternately pressing down on
and releasing the retaining cap.,
4. Remove line from spool and rewind,,
5,_Advance line at fi.dt throtde,.
Clean the threads and lubricate with grease.. If
this does not solve the problem, replace the
retaining cap.
1_ Cutting tall grass at ground
level
2,, Operating the product at
part throttle
I, Operating the product at
pa*x throrde
2. Check olltfuel mixture
3_ Air filter is dirty
I_ Cut tall grass from the top down°
2., Operate the product at flail throttle,
I_ Operate the product at flail throttle.
2. Use flesh fuel and the correct 2-cycle oil mix_
3. Clean the air filter.
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24 Troubleshooting