Pub. No. 1218 - February 2008
19
RITE-HITE
®
RHV Dock Leveler Owner’s Manual
HYDRAULIC SCHEMATIC
POWER UNIT ASSEMBLY
VALVE MANIFOLD ASSEMBLY
Velocity Fuse
7 GPM
Ramp Cylinder
Lip Cylinder
“T” Port
“LIP” Port
“RV”
Relief Valve
Lip Out
1000 P.S.I.
“RAM”
Port
“BASE”
Port
Ramp
“CB”
Counterbalance
Valve 1:1
“RAMP”
Solenoid Valve
4 Way 2 Pos.
“LIP”
Solenoid Valve
3 Way 2 Pos.
“P” Port
Orifice Disk
Ø
.067
“C1”
Check Valve
“FC”
P.C. Flow Control
1.75 G.P.M.
M
Motor 1 H.P.
3450 R.P.M.
Pump
1.45 G.P.M.
@ 1400 PSI
Shuttle Valve
30 P.S.I.
System Relief Valve
1400 P.S.I.
“TANK”
Port
“RAMP”
Port
X
X
X
x
xx
X
FIGURE 15 - HYDRAULIC SCHEMATIC
