Troy-Bilt AutoDrive 604 Operator's Manual page 16

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Adjust
the drag links so that equal
lengths
are
threaded into the bali joint on the left side and the
ball joint on the right side:
• Loosen the jam nut found on the drag link at
the rear of the ball joint. See Figure 10.
• Remove the hex nut and lock washer on the
top of ball joint. See Figure 10.
• Thread
the ball joint toward the jam nut to
shorten
the drag link. Thread
the ball joint
away from the jam nut to lengthen the drag
link.
• Replace
hex
nut
and
lock
washer
and
retighten the jam nut after proper adjustment
is achieved.
NOTE:
Threading
the ball joints
too far onto the
drag links will cause the front tires to "toe-in" too far.
Proper toe-in is between 1/16" and 5/16".
Front tire toe-in can be measured as follows:
• Place
the
steering
wheel
in position
for
straight ahead travel. Insert a 1/4" dowel up
through
aligning
holes in both the steering
gear and support plate. See Figure 11,
0
0
0
Insert Dowel
Here _'_
sup.ort
Plate
NOTE:
View shown
from beneath
tractor.
_Steering Gear
Figure 11
• In front of the axle, measure
the distance
horizontally
from the inside of the left rim to
the inside of the right rim. Note the distance.
• Behind
the
axle,
measure
the
distance
horizontally
from the inside of the left rim to
the inside of the right rim. Note the distance.
• The measurement
taken in front of the axle
should be between 1/16" and 5/16" less than
the measurement taken behind the axle.
• Adjust if necessary.
• Remove
the
dowel
inserted earlier
before
attempting to operate the tractor.
CARBURETOR
ADJUSTMENT
,_
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.
NOTE:
A dirty air cleaner will cause an engine to
run rough,
Be certain
# is
clean
and properly
attached
before
adjusting
carburetor.
Refer
to
separate
engine manual packed
with your unit for
information regarding air cleaner maintenance,
Refer to separate engine manual packed with your
unit for carburetor adjustment information
or see an
authorized engine service dealer.
BRAKE ADJUSTMENT
If the tractor does not come to a complete stop when
the brake pedal is completely
depressed,
or if the
tractor's rear wheels can roll with the parking brake
applied, the brake is in need of adjustment.
The
brake disc can be found on the right side of the
transmission
in the rear of the tractor.
Adjust if
necessary as follows:
• Looking at the transmission
from the right side
of the tractor, locate the compression
spring
and brake disc. See Figure 12.
Hex Nut
Set Gap
at .011"
Brake Disc /
Compression
!
Spring
NOTE:
View shown from beneath tractor,
Transmission
Figure 12
• Loosen, but do NOT remove,
the hex nut
found on the right side of the brake assembly,
See Figure 12.
• Using a feeler gauge, set the gap between the
brake disc and the brake puck at .011 ".
• Re-tighten the hex nut loosened earlier.
16

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