Adjust Mowing Speed
The machine is adjusted at the factory, but speed may
be varied if desired.
1.
Loosen jam nut on trunnion cap screw located on
the traction control assembly.
2
2.
Loosen nut securing the lock and mow brackets on
pedal pivot.
1
3.
Rotate trunnion cap screw clockwise to reduce
mowing speed or counterclockwise to increasemow-
ing speed.
3
4.
onthelockandmowbrackets tolockadjustment.Check
adjustment and re--adjust as required.
Tighten jam nut on the trunnion cap screw and nut
Figure 24
1.
2.
Jam nut
Nut
3.
Trunnion cap screw
Adjust Cutting Unit Drop Speed
The machine’s rear cutting unit lower circuit has a flow
control valve which is preset at the factory to about 3
turns open. An adjustment may be required to compen-
sate for differences in hydraulic oil temperatures, mow-
ing speeds, etc. If an adjustment is required, proceed as
follows:
Note:
perature before adjusting flow control valve.
Allow hydraulic oil to reach full operating tem-
2
1
1.
Raise seat and locate flow control valve mounted to
the hydraulic cylinder for the center pull frame.
Figure 25
2.
Loosen set screw on the adjusting knob of the flow
control valve.
1.
Flow control valve
2.
Rear hydraulic cylinder
3.
If the center cutting unit is dropping too late, rotate
knob 1/4 turn counterclockwise.
4.
If the center cutting unit is dropping too early, rotate
knob 1/4 turn clockwise.
5.
After desired setting has been achieved, tighten set
screw.
Greensmaster 3250--D
Page 4 -- 53
Hydraulic System (Rev. I)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Greensmaster 3250 D |
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| Document Type | Service Manual |
| Language | English |
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