WALTCO WDV, Tech Manual

Page: 10 / 48

Key Components
A - Close
D - UP
C- Down
B- Open
S4- White
(Lock Valve)
S3- Green
4W2P
Lowering
(Top Back)
S1- Red
3W2P
Selector POC
(Bottom
Back)
S2- Brown
4W2P POC
(Lower
Front)
Platform Raise (Up)
Hydraulic Connection
Connect to bottom port on Curb Side
Cylinder and “D” Port marked on the
pump.
Platform Lower (Down)
Hydraulic Connection
Connect to top port on Driver Side Cylinder
and “C” Port marked on the pump.
Hydraulic Power Open Hydraulic
Connection
Connect to top port on Power Close
Cylinder and “A” Port marked on
pump.
Hydraulic Power Close Hydraulic
Connection
Connect to Bottom port on Power
Close Cylinder and “
B” Port marked
on pump.
Column Switch Point
Connection
External Double Toggle
Switch Point Connection
Call Out of Main & Auxiliary Power Unit Continued
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