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Hydraulic Linkage
Adjustments
Perform the following linkage adjustments when the
machine needs maintenance or set–up for the first time.
Perform the steps Adjusting the Speed Control Linkage
through Adjusting the Tracking. If adjustment is needed,
do them in the order that they are listed.
Adjusting the Speed Control
Linkage
1. Stop engine and wait for all moving parts to stop.
2. Move the speed control lever to the full forward
position (Fig. 40).
2
4
1
5
Figure 40
1. Speed control lever
2. Full speed position
3. Neutral position
3. Check the orientation of the tabs on the ends of the
speed control crank. These tabs should approximately
be pointing straight down at the 6 o'clock position
(Fig. 41).
4. If adjustment is needed, loosen the nuts on both sides
of the swivel on the speed control rod (Fig. 41).
5. Adjust the swivel, until the tabs are at the 6 o'clock
position (Fig. 41).
6. Tighten the nuts on both sides of the swivel (Fig. 41).
3
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4. Medium speed position
5. Control panel
36
12
9
4
6
1
3
2
2
Figure 41
1. Speed control rod
2. Nut
3. Speed control crank
7. Pull the speed control lever back to neutral.
8. Check to make sure the safety switch is depressed and
there is an 1/8 to 1/4 inch (3 to 6 mm) space between
the actuating tab and the safety switch (Fig. 42).
4
5
Figure 42
1. Actuating tab
2. 1/8 to 1/4 inch space
3. Neutral safety switch
9. To adjust the switch location, loosen the two neutral
bracket screws holding the switch plate to the frame
(Fig. 42).
10. Adjust the switch up or down to obtain an 1/8 to
1/4 inch (3 to 6 mm) space (Fig. 42).
11. Tighten the two neutral bracket screws holding the
switch plate (Fig. 42).
3
1
4
5
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4. Tabs in 6 o'clock position
5. Swivel
1
2
3
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4. Neutral bracket
5. Neutral bracket screws
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