Poweramp VS SERIES HYDRAULIC - Manual (Page 30)

28 4111-0008 — Sept 2012
Down Speed Control Adjustment
If the dock leveler lowers to slow, the down speed
control, requires adjustment. The speed control
adjusting screw (A) The set screw is located on the
hoist cylinder (B), directly above hoist cylinder and
below the upper hose.
The Down speed flow control is pre set at 1-1/2 turns
out from fully closed.
To adjust the speed control:
a. Loosen the allen head set screw.
b. To decrease the lowering speed, turn knurled
knob screw (A) clockwise.
c. To increase the lowering speed, turn knurled
adjusting screw (A) counterclockwise.
d. Tighten the set screw when once desired down
speed has been set.
ADJUSTMENTS
Stored Limit Switch Adjustment
1. Loosen Set Screw
2. With roller arm contacting storage prop, rotate
adjustment screw counter clockwise until a
“Click noise is heard.
3. Tighten set screw head cap screw.
4. Readjust as needed to leveler allow to store 3 to 5
degrees from vertical.
5. After adjusting the stored limit switch check for
correct play in the prop.
A
B
Adjustment
Screw
Set Screw