Bar And Chain Combinations - Homelite UT10514/14 IN. 33CC Operator's Manual

Chain specifications: 3/8 in. pitch, .05 in. chain gauge
Length of bar
14 in.
16 in.
Problem
Engine will not start.
[Make sure ignition
switch is in the RUN
( l ) position.]
Engine starts but will
not accelerate prop-
erly.
Engine starts, then
dies.
Engine starts but will
not run properly at
high speed.
Engine does not reach
full speed and/or emits
excessive smoke.
Engine starts, runs,
and accelerates but
will not idle.
Chain turns at idle.

bAR ANd CHAIN COMbINATIONS

Guide bar Part Number
310625001
310626001
TROUbLESHOOTING
Possible Cause
No spark.
Engine is flooded.
Carburetor requires "L"
(Low Jet) adjustment.
Carburetor requires "L"
(Low Jet) adjustment.
Carburetor requires "H"
(High Jet) adjustment.
Oil/fuel mixture incorrect.
Air filter is dirty.
Spark arrestor screen is
dirty.
Carburetor requires "H"
(High Jet) adjustment.
C a r b u r e t o r r e q u i r e s
adjustment to idle speed.
C a r b u r e t o r r e q u i r e s
adjustment to idle speed.
Air leak in the intake
system.
Chain Part Number
Clean or replace spark plug. Reset spark plug gap. Refer to Spark
Plug Replacement earlier in this manual.
With the ignition switch OFF, remove spark plug. Move choke
lever to RUN position (pushed in completely) and pull starter cord
15 to 20 times. This will clear excess fuel from engine. Clean and
reinstall spark plug. Set ignition switch to RUN ( l ) position. Push
and fully release primer bulb 7 times. Pull starter three times with
choke lever at RUN. If engine does not start, move choke lever to
HALF CHOKE and repeat normal starting procedure. If engine still
fails to start, repeat procedure with a new spark plug.
Contact an authorized service center for carburetor adjustment.
Contact an authorized service center for carburetor adjustment.
Contact an authorized service center for carburetor adjustment.
Use fresh fuel and the correct 2-cycle oil mix ratio.
Clean air filter. Refer to Cleaning the Air Filter in the Maintenance
section of this manual.
Clean spark arrestor screen. Refer to Inspecting/Cleaning the Spark
Arrestor Screen in the Maintenance section of this manual.
Contact an authorized service center for carburetor adjustment.
Turn idle speed screw "T" clockwise to increase idle speed.
Refer to Adjusting the Carburetor in the Maintenance section of
this manual.
Turn idle speed screw "T" counterclockwise to decrease speed.
Refer to Adjusting the Carburetor in the Maintenance section of
this manual.
Contact an authorized service center for a rebuild kit.
Page 
901212001
901212002
Solution
drive Links
52
56