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Warning
Engine must be running so motion control
adjustment can be performed. Contact with
moving parts or hot surfaces may cause personal
injury.
Keep hands, feet, face, clothing and other body
parts away from rotating parts, muffler and other
hot surfaces.
2. Slide seat forward, disconnect prop rod and tilt seat
fully forward.
3. Disconnect electrical connector from the seat safety
switch. Temporarily install a jumper wire across
terminals in the wiring harness connector.
4. Loosen locknut at ball joint on pump control rod
(Fig. 49).
Note: The front nut of each rod has left-hand threads.
5. Start engine, open throttle 1/2 way and release parking
brake; refer to Starting and Stopping the Engine,
page 18.
6. Adjust pump rod length by rotating double nuts on rod,
in the appropriate direction, until wheel is still or
slightly creeps in reverse (Fig. 49).
7. Move motion control lever forward and reverse, then
back to neutral. Wheel must stop turning or slightly
creep in reverse.
Note: Motion control lever must be in neutral while
making any adjustments.
8. Open throttle to fast. Make sure wheel remains
stopped or slightly creeps in reverse, readjust if
necessary.
9. Repeat on opposite side of unit. Tighten locknuts
against ball joints.
Warning
Electrical system will not perform proper safety
shut off with jumper wire installed.
Remove jumper wire from wire harness
connector and plug connector into seat switch
when adjustment is completed.
Never operate this unit with jumper installed
and seat switch bypassed.
10. Shut off unit. Remove jumper wire from wire harness
connector and plug connector into seat switch.
11. Reinstall prop rod and lower seat.
Adjusting Parking Brake
Check parking brake for proper adjustment.
1. Disengage brake lever (lever down).
2. Measure the length of the spring. Measurement should
be 2.75 (74 mm) between washers (Fig. 50).
3. If adjustment is necessary, loosen the jam nut below
the spring and tighten the nut directly below the yoke
(Fig. 50). Turn the nut until the correct measurement is
obtained. Tighten the two nuts together and repeat on
opposite side of unit.
4. Turn nuts clockwise to shorten spring length and turn
counterclockwise to lengthen the spring.
5. Engage parking brake, lever up.
6. Measure the distance between the trunnion roller and
the collar on brake rod . Measurement should be
3/16 –1/4 (5–7 mm) (Fig. 50).
7. If adjustment is necessary, loosen the jam nut directly
below the yoke. Turn the bottom adjusting nuts until
the correct measurement is obtained (Fig. 50). Tighten
jam nut at yoke
4
7
1 1
Figure 50
1. Brake lever
2. Spring 2.75 (74 mm)
3. Adjusting nuts
4. Collar on brake rod
Fuse
Service Interval/Specification
The electrical system is protected by fuses. It requires no
maintenance: however, if a fuse blows check
component/circuit for malfunction or short.
Fuse: Main F1—20 amp, blade-type
Alternator F2—20 amp, blade-type
1. Raise the seat to gain access to fuse holder (Fig. 51).
42
5
6
2
3
5. 3/16 –1/4 (5–7 mm)
6. Jam nut and yoke
7. Trunion
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