SECTION 3 -- FIELD OPERATION
3--30
GROUND DRIVE P.T.O. (where fitted)
Three-speed ground drive P.T.O. is available on all
models in conjunction with the 3-speed
engine-driven, shiftable P.T.O. previously described.
Ground drive P.T.O. speed is directly related to
rotation of the rear wheels rather than engine speed.
Three speed ranges are provided, selected by
means of the P.T.O. range lever (1). An additional
lever (2) is provided to select ground drive.
42
To engage ground drive P.T.O:
With the tractor stationary, ensure that the engine
P.T.O. is disengaged by pressing the selector knob
down. With reference to Figure 42, move the lever
(1), to the required P.T.O. speed range and then
select ground drive with selector lever (2).
Engagement of ground drive will be confirmed by the
appearance of ’GPto’ in the central LCD display.
NOTE: To aid smooth engagement of ground drive
P.T.O., depress and hold both brake pedals whilst
moving the selector lever.
43
Fully depress the clutch pedal, select a transmission
gear and open the throttle to increase engine speed.
Allow the clutch pedal to rise. Initial movement of the
clutch pedal will cause the tractor to move and the
P.T.O. shaft (and attached equipment) to rotate.
The speed of rotation of the P.T.O. shaft is directly
related to rotation of the rear wheels. Shaft
revolutions for each revolution of the rear wheels are
as shown in the table on the right.
NOTE: Selecting ground drive with the engine P.T.O.
function engaged will automatically disable engine
P.T.O. drive. To re--enable engine P.T.O. drive, move
the selector lever to the engine drive position,
disengage and then re--engage the main P.T.O.
switch.
Light duty axle P.T.O. shaft revolution
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