Walker D21d Operator's Manual page 34

Operating Instructions
The Forward Speed Control also Establishes the Neutral-Park Position of the Steering Levers
LEFT WHEEL
STEERING LEVER
Forward Position
(No Control Change)
Neutral-Park
Position
Reverse Drive
Wheel Motion
Position
Fast
Throttle
Position
Idle
Position
30
RIGHT WHEEL
STEERING LEVER
THROTTLE
Operating Controls (Top View from Drivers Point of View)
FORWARD SPEED
CONTROL LEVER (FSC)
PARKING
BRAKE
1. 2.
Disengaged
Position
BLADE CLUTCH (PTO)
Pull Up to Engage
Full Forward
Ground Speed
Position
Intermediate
Ground Speed
Position
Neutral-Park
Position
Engaged
Position
Disengaged
Position
Engaged
Position