76
Maintenance Instructions ADJUSTMENTS
5. If the machine is tracking straight throughout
the speed range except at maximum speed,
use the following adjustment procedure:
a. With the engine o, place the FSC in full
FORWARD. On the faster transmission,
loosen the jam nut and turn the maximum
speed tracking adjustment set screw in un-
til it just contacts the limit stud, and then
turn it in an additional 1/8 turn (turning the
set screw in slows the drive wheel).
b. Recheck maximum speed tracking, and if
necessary continue adjusting the set screw
in small increments until straight travel is
achieved.
c. Tighten the jam nut.
Step 6 - FSC Neutral Switch Adjustment
1. Place the FSC lever in the NEUTRAL-PARK
position. Raise the body and adjust the switch
adjustment bolt up until it just makes contact
with the FSC switch plunger, and then turn the
switch adjustment bolt up an additional two (2)
turns and tighten the jam nut.
NOTE: It may be necessary to tighten the FSC
friction adjustment if the transmissions are
moved out of neutral when the body is raised.
Refer to Step 7 - Forward Speed Control Fric-
tion Adjustment later in this section for location
of the FSC friction adjustment nut.
FSC Switch
Switch
Adjustment Bolt
FSC Neutral Switch Location
NOTE: Adjust the bolt
downward for quicker
activation (Switch Open).
FSC Friction Nut
Jam Nut
Front of Mower
Switch Closed
in Neutral
FSC Switch
Actuator Arm
Switch Adjustment
Bolt
FSC Neutral Switch Adjustment
(Side View Through Chassis)
CAUTION
Before testing the FSC Neutral Switch,
disconnect the spark plug wires from the
engine and engage the parking brake to
prevent accidental starting and inadver-
tent machine movement.
2. Check operation of the FSC Neutral Switch by
placing the FSC lever in the full FORWARD po-
sition. While holding the ignition switch in the
START position, slowly move the FSC lever
back towards the NEUTRAL-PARK position
and stop when the starter motor engages. Note
the position of the FSC lever where it passes
through the slot in the body. The FSC lever
should be within 1/8 in. (3 mm) of the NEU-
TRAL-PARK position. If this distance is great-
er than 1/8 in. (3 mm), turn the adjustment bolt
down slightly and recheck switch operation.
When nished adjusting, tighten the jam nut
and reconnect the spark plug wires.
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