WALTCO WDV, Tech Manual

Page: 14 / 48

A - Close
D - UP
C- Down
B- Open
SV4- White
(Lock Valve)
SV3- Green
4W2P
Lowering
(Front Left)
SV1- Red
3W2P
Selector POC
(Front Right)
SV2- Brown
4W2P POC
(Lower
Front)
“D” Port - Platform Raise
(Up) Hydraulic Connection.
Connect to bottom port on
Curb Side Cylinder.
“A” Port - Hydraulic
Power Close Hydraulic
Connection.
Connect to top port on
Power Close Cylinder.
Column Switch Point
Connection External Double Toggle
Switch Point Connection
Call Out of Generation 2 Main & Auxiliary Power Unit Continued
“C” Port - Hydraulic Lower
(Down) Connection.
Connect to top port on
Driver Side Cylinder..
“B” Port - Hydraulic Power Open
Hydraulic Connection.
Connect to Bottom port on
Power Close Cylinder.
Check
Valve
P1- Pressure Line
From Aux. Pump.
P- Pressure Line
From Primary Pump.
T – Return
Line to Tank
Key Components
14