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4.2.5 Deck Belt Tension
.
a) The deck belt is tensioned by a self-tensioning idler, no adjustment is
necessary.
4.2.6 Adjust Seat Switch
a) If necessary, adjust the seat actuator rod length to where the machine will
shut off when the operator raises off the seat (with brake disengaged or
PTO engaged) but will continue to run with operator in seat (a slight shift in
weight should not shut machine off).
Normal adjustment is when length of spring is 2.09” (5.3 cm) (with seat up).
NOTE: To prevent the engine from cutting out when operating over
rough ground, the unit is equipped with a time-delayed seat switch.
When the operator raises off the seat with either the brake
disengaged or the PTO engaged, the engine should stop after 1/2
second has elapsed.
b) To adjust seat switch actuator rod length, loosen lock nut on bottom of the
actuator rod (5/16 x 7” bolt) and adjust the nuts to move the actuator
plate/washer up or down on the rod, then retighten.
4.2.7 Belt Guide Adjustment
.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Remove the belt shield on the right side of mower deck.
c) Note belt guide bolted to deck near the shield support stud and right-hand
pulley. Guide should be 1/8” (3.2 mm) away from the belt, with bolt-end of
guide near end of slot (See Figure 9).
d) If adjustment is necessary, loosen the bolt securing the belt guide and
make proper adjustment. Tighten hardware.
FIGURE 9
4.2.8 Brake Link Adjustment.
Check to make sure brake is adjusted properly.
a) Disengage brake lever (lever down).
b) Measure the length of the spring. Measurement should be 2.75” (7.0 cm)
between washers (see Figure 10).
c) If adjustment is necessary, tighten the nut directly below the yoke and
loosen the bottom nut (bottom one of the two tightened together) below the
spring. Turn the nut directly below the washer (top nut of the two tightened
together) until the correct measurement is obtained. Tighten the two nuts
together and repeat on opposite side of unit. Turn clockwise to shorten
spring length and turn counter-clockwise to lengthen the spring.