Homelite UT08072 Manuel D’Utilisation

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14
15
TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICING DEALER.
Fig. 12
IDLE
SPEED SCREW
PROBLEM
POSSIBLE CAUSE
SOLUTION
Engine will not start.
1.  No spark.
2.  No fuel.
3.  Starter rope pulls harder now 
than when new.
1.  Check spark. Remove spark plug. Reattach the spark plug 
cap and lay spark plug on metal cylinder. Pull the starter 
rope and watch for spark at spark plug tip. If there is no 
spark, repeat test with a new spark plug.
2.  Push primer bulb until fuel is visible in the bulb. If fuel is 
not apparent, the primary fuel delivery system is blocked. 
Contact a servicing dealer. If primer bulb fills, engine may 
be flooded (see next item).
3.  Contact a servicing dealer.
Engine  starts  but  will 
not accelerate.
Carburetor requires “L” (Low jet) 
adjustment.
Contact a servicing dealer for carburetor adjustment.
Engine  starts  but  will 
only run at high speed 
at half choke.
Carburetor requires “H” (High jet) 
adjustment.
Contact a servicing dealer for carburetor adjustment.
Engine does not reach 
full  speed  and  emits 
excessive smoke.
1.  Oil / fuel mixture is incorrect.
2.  Air filter is dirty.
3.  Spark arrestor screen is dirty.
4.  Carburetor  requires  adjust-
ment.
1.  Use fresh fuel and the correct 2-cycle oil mix.
2.  Clean  air  filter,  refer  to  “Replacing  and  Cleaning  the  Air 
Filter” earlier in this manual.
3.  Contact a servicing dealer.
4.  Contact a servicing dealer for carburetor adjustment.
Engine  starts,  runs, 
and  accelerates,  but 
will not idle.
Idle speed adjustment screw on 
carburetor needs adjustment.
Turn idle speed adjustment screw clockwise to increase idle 
speed. See Figure 12.