Volvo D 20 Operator's Manual download pdf (Page 19)

The shift function and engine speed control are combined in one lever. If necessary the shift function can be

easily disengaged so that only the engine speed (rpm) is affected by the lever. The control lever has an adjustable

friction brake. A neutral position switch is available as an accessory, this will only permit the engine to be started

with the drive/reverse gear disengaged.

For top-mounted controls

Adjusting the friction brake

The friction brake only affects the engine speed

control movements.

● Lift the cover over the control. For side-mounted

controls the lever must first be removed.

● Set the lever to the half-open throttle/reverse

position.

● Adjust the friction brake. Turning the screw

clockwise (+) makes the lever movement stiffer,

while turning counterclockwise (–) makes it easier

to move the lever.

● Reinstall the cover and lever.

Maneuvering

Shifting and engine speed are controlled with the

same lever (1).

N = Neutral position. Drive/reverse gear disengaged.

F = Drive/reverse gear engaged for movement ahead.

R = Drive/reverse gear engaged for movement astern.

T = Engine speed control

Disengaging the shift function

● Move lever (1) to the neutral position (N).

● Press in button (2), move the lever slightly forward

and release the button.

The shift function is now disengaged and the lever

affects only engine speed. When the lever is

moved back to the neutral position it will

automatically re-engage.

IMPORTANT! Take care not to engage the drive/

reverse gear by mistake.

For side-mounted controls

Controls

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Volvo D 20 Operator's Manual Page 19