Continental Motors GTSIO-520 SERIES Operator's Manual page 30

TROUBLE PROBABLE CAUSE CORRECTIVE AC
3. Engine runs a.
Improper idle mixture a.
Readjust idl
rough at idle
adjustment tighten adjus
adjustment
HAND engm
mixture, an
mixture.
b.
Fouled spark plugs
lb.
Remove an
defective plu
c.
Discharge nozzle air
c. Check for b
vent manifolding re- connections.
tv
stricted or defective defective com
""""
d. Restricted fuel nozzle d. Remove and
4. Engine has a.
Idle mixture too lean
a. Readjust idle
poor accel- tighten adjus
eration adjustment
HAND engm
mixture, an
mixture.
b. Incorrect fuel-air b.
Tighten loos
mixture, worn control linkage. Serv
linkage, or restricted air
cleaner