Yard Machines 660 Thru 679 Lawn Mower User Manual


 
Remove the hex nut and lock washer, and drop the
end of the tie rod from the axle bracket. See Figure
17.
Loosen the hex jam nut on tie rod.
Adjust the tie rod assembly for correct toe-in.
Tie
Rod
\
Hex Jam
Nut
I
A
_1
Front [
B "J
(1/16" - 5/16" Less Than A)
Figure 18
CarburetorAdjustments
Hex Nut
Tie Rod Lock Washer
End
Figure 17
Dimension "B" should be approximately 1/16 - 5/16"
less than Dimension "A." See Figure 18. To increase
Dimension "B," screw tie rod into tie rod end. To
decrease Dimension "B," unscrew tie rod from tie rod
end. Reassemble tie rod. Check dimensions. Readjust
if necessary.
WARNING: If any adjustments are made
to the engine while the engine is running (e.g.
carburetor), disengage all clutches and
blades. Keep clear of all moving parts. Be
careful of heated surfaces and muffler.
Minor carburetor adjustments may be required to
compensate for differences in fuel, temperature,
altitude and load. Refer to separate engine manual for
carburetor adjustment information.
NOTE: A dirty air cleaner will cause an engine to run
rough. Be certain air cleaner is clean and attached to
the carburetor before adjusting carburetor.
SECTION5: SERVICE
WARNING: Always stop engine and
disconnect spark plug wire before cleaning,
lubricating or doing any kind of work on lawn
tractor.
SteeringGears
Lubricate teeth of steering gears with automotive multi-
purpose grease after every 25 hours of operation or
once a season. See Figure 19.
SteeringShaft
Lubricate steering shaftat least once a season with
light oil.
Steering
Gears
Figure 19
Linkage
Once a season lubricate all the pivot points on the
clutch, brake and lift linkage with SAE 30 engine oil.
18