10 ADJUSTMENTS
67
10.3 STEERING ADJUSTMENT __________________________________________________
Steering Toe-In Adjustment
a
Turn the rear wheels to the straight position.
b
Loosen the jam nuts on both ends of the tie rod.
c
Rotate the tie rod to get the correct toe-in. the Toe-
in must not be more than +1/16 inch (+ 0.15 cm).
d
Tighten the jam nuts.
Steering Stop Adjustment
When the toe-in is adjusted, turn the steering wheel to
the left to extend the steering cylinder rod. When the
steering cylinder rod is completely extended, the steering
spindle arm must be 3/4 ± 1/16 inch (1.9 ± 0.15 cm) from
the axle stop. Turn the steering cylinder rod into or out of
the ball joint to adjust the steering stop position.
10.4 FRONT REEL LIMIT SWITCH ________________________________________________
The mower has a proximity switch, which signals the
controller to turn off the reels. The switch is installed on the
mower frame behind the left side lift arm. If the reels
continue to rotate when lifted or do not rotate when lowered,
inspect the switch. Adjust or replace the switch as required.
To adjust switch:
1.
Park the mower on a flat and level surface.
2.
Remove the cutting unit from the lift arm.
3.
Turn the ignition switch to the RUN position to activate
the controller. Do not run the reels or start the engine.
4.
Adjust the lift arm switch as required to get an 1/8 to
3/16 in. (0.3 to 0.5 cm) air gap between the switch and
the lift arm.
5.
Lift the arm with your hand until the lift arm is at a 17° angle.
6.
With the lift arm at 17°, adjust the lift arm switch, until the switch contacts close. Fasten the switch in this position.
7.
Start the engine and make sure that the reels turn off when lifted.
NOTICE
The proximity switch sets the point where the reels stop rotation. The reels will lift to a position more than 17 °.
X
X+ 0 to 1/16 In.
(X + 0 to 0.15 cm)
3/4 ± 1/16 in.
(1.9 ± 0.15 cm)
Jam
Nut
Jam
Nut
Tie Rod
Ball
Joint
Axle Stop
Spindle
Arm
Lift Arm
Switch
17°
Summary of Contents for LF550-H-T4F
Page 13: ...SPECIFICATIONS 4 12 K J C G E L A B H F D ...
Page 86: ...13 NOTES 85 13Notes ...
Page 87: ...NOTES 13 86 ...
