Allis-Chalmers WD Operating Instructions And Repair Parts Illustrations page 32

TO ADTUST PUMP TO LIFT AND LOWER
Lift-and lower may be obtained with any
setting as long as volume control screw 'b"
is turned out far enough to allow pump to
deliver oil to rams.
turn screw "A " into housing, turn screw "B
into housing separating plates, turn screw 'c"
out against stop and turn "D " out as far as
possible.
To Operate Lift and Lower:
Set pump for lift position. Raise hand lever
to top of quadrant to lift. Pull hand lever to
bottom of quadrant to lower.
TO ADJUST FOR DELAYED LIFT
To adjust for delayed lift, turn screw "A" in
to lock seat in housing. This screw locks out
regulation. Turn screw '8" until
the two plates are locked together and screw
is free of housing.
against a detent ball and spring which can be
felt on the hand control lever. Turn screw
far as possible. With the pump in this position
the front and rear gangs will lift together or
the rear gang may lift first.
To cause the front gang to lift before rear
gang, slowly turn screw '%" inward. If
when screw '!Z" has been turned in as far
as possible there is still uncultivated ground
between the place where the front gangs lifted
the place where the rear gangs lifted screw
the output of pump and will increase the delay
between the front and rear gangs. It is pos-
sible to turn this screw too far or far enough
to prevent pump from delivering oil.
To Operate Delayed Lift
Raise hand control lever to top of quadrant
to raise both front and rear gangs. To lower-
move hand control lever down until detent
ball is felt on hand control lever. This drops
the front gang only. When the tractor moves
forward until the rear gang is above the spot
where front gang was lowered the hand control
lever may be pushed to bottom of quadrant,
lowering rear gang.
HYDRAULIC SYSTEM (Cont'd.)
However, to adjust,!
These plates operate
- L I F T
DELAYED LIFT
Cultivators
Turn Screw "A" into body.
Turn Screw '3" out of body lock-
ing plates together.
Turn Screw "C" in to secure de-
layed lifting
bar.
Turn Screw "D" in to get further
delay.
32
of rear cultivator