International Harvester Company Cub Cadet 682 Operator's Manual page 19

Main Fuel Adjustment Main Fuel
Adjustment
Preliminary setting ‐ Preliminary setting ‐
turns. Final turns. Final
setting ‐ setting -
maximum governed, no load maximum
engine speed to engine speed to
Turn screw Turn screw
speed. speed. in just in just
decreases and note the position of the screw. decreases and note the position of the screw.
Now turn the screw out. The engine speed will Now turn the screw out. The engine speed will
first increase, but then decrease as screw is first increase, but then decrease as screw is
turned out. Note the position of screw when turned out. Note the position of screw when
engine speed starts to decrease. Set the engine speed starts to decrease. Set the
between the two points noted
screw screw between the two points noted
midway midway
above. above.
Idle Speed Adjustment
Idle Speed Adjustment
Run engine at maximum governed, no load Run engine at maximum governed, no load
speed for a minimum of 30 seconds, then speed for a minimum of 30 seconds, then
allow to fall to idle or put throttle
allow engine speed to fall to engine speed
into idle into idle position. Set position. Set engine speed to
( i 7 5 (1:75 RPM) byturningthe RPM) by turning
or out.
or
OUt-
Fuel Fuel
Idle Idle Adjustment Adjustment
Set the idle fuel mixture by Set the idle fuel mixture by turning the idle
fuel screw out, from the closed position, 3 / 4
fuel screw out, from the closed position, 3 / 4
to 1 to 1 turn. turn.
full full
Allll
ENGINE ENGINE AND FUEL SYSTEM
turn screw out 2-1/2 turn screw out 2-1/2
start start and raise and raise
engine engine
governed, no load
until until engine speed engine speed
idle or put throttle
1200 1200
engine speed to
screw
the idle speed idle speed screwin in
turning the idle
FUEL SYSTEM
, . _ .
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CAUTION! EXHAUST FUME
g
A
CAUTION! EXHAUST FUMES
KILL.
CAN
KILL.
CAN
in an enclosed area.
enclosed
'" an
16 16
,fi
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vehicle
Never operate
vehicle
Never operate
8 ' 9 8 ‑
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