Service Manual

Groundsmaster 360 Hydraulic SystemPage 4 − 71
When servicing the traction linkage on your Grounds−
master 360, use the following information:
NOTE: Refer to the Operator’s Manual for information
on adjusting traction pedal stops, mow speed limiter le-
ver and traction pedal neutral position.
1. Rod ends on traction rod assembly should be
installed equally into traction rod so that distance be-
tween center of rod ends is 28.520” (724.4 mm) (Fig.
54). Leave rod end jam nuts loose until traction rod is se-
cured to traction pedal and speed control shaft to make
sure that rod ends do not bind.
2. If eye bolt that locates the bottom of the neutral arm
spring is removed, install eye bolt so threads extend be-
low the flange nut from 0.250 to 0.370” (6.4 to 9.3 mm)
(Fig. 56). If quicker return to the traction neutral position
is desired, adjustment can made to increase amount of
thread extension. This adjustment will also result in
higher pressure required to depress traction pedal.
3. Adjust the control arms as follows:
A. Align transmission control arm with transmission
side cover with a 3/8” alignment pin (Fig. 57). This
ensures that transmission is in the neutral position.
B. Adjust length of control arm (Fig. 58) until align-
ment pin can freely slide in transmission compo-
nents. Tighten control arm jam nuts after adjustment.
Make sure that control arm rod end and ball joint re-
main vertical and parallel after adjustment.
C. After adjustment, make sure that control arm ball
joint rotates freely and that alignment pin still slides
freely in transmission components when in neutral.
Also, check that control arms do not bind as traction
pedal is depressed.
4. Make sure that traction neutral sensor is closed
when the traction pedal is in the neutral position:
A. On 2WD machines, use LED on Standard Con-
trol Monitor to check traction neutral sensor opera-
tion (see Standard Control Module (2WD Machines)
in the Service and Repairs section of Chapter 5 −
Electrical System).
B. On 4WD machines, use Diagnostic Display to
check traction neutral sensor operation (see Diag-
nostic Display (4WD machines) in the Troubleshoot-
ing section of Chapter 5 − Electrical System).
C. The traction neutral sensor LED should be illumi-
nated when the traction pedal is in the neutral posi-
tion (see Traction Neutral Sensor in the Adjustments
section of Chapter 5 − Electrical System).
1. Traction pedal
2. Speed control shaft
3. Traction rod assembly
Figure 54
1
2
3
28.520 inch
(724.4 mm)
1. Extension spring
2. Eye bolt
3. Flange nut (2)
4. Ball bearing (2)
5. Spacer (2)
6. Socket head screw
7. Traction stud
8. Thrust washer
9. Neutral arm
10. Flange nut
Figure 55
90 to 120 in−lb
(10.2 to 13.5 N−m)
2
3
6
8
9
10
1
5
7
4
3
1. Eye bolt
2. Flange nut
3. Frame bracket
Figure 56
2
1
0.250 to 0.370 inch
(6.4 to 9.3 mm)
3
Hydraulic
System