Dover HEIL Command-SST - Hydraulic Schematic, Arm Undump - 701-9298-007

1300 psi
(A4 & B4)
2500 psi
R
D2
LS
M
PG 2
PG 1
P
T
LS
M
D1
R
D2
2800 psi
Tailgate
Raise / Lower
Top Door
Open / Close
A2
B2
T/G RAISE CYL.
A1
B1
P
T
(OPTION)
A3
B3
TOP DOOR CYL.
PG 3
b1
a1
b2
a2
b3
a3
LS
P R A A
LS
T/G LOCK CYL.
1300 psi
1300 psi
Tailgate Lock
Lock / Unlock
1300 psi
1300 psi
T/G LOCK CYL.
T/G RAISE CYL.
B1A1 B2A2 B3A3 B4A4
Extend Cylinder
In / Out
Lift Cylinder
Down / Up
Rotary Actuator
Dump / Undump
Grabber Cylinder
Packer Cylinder
Extend / Retract
A2 B2A1 B1
P
T
D1
1700 psi
R
E
b3
a3
a1
b1
CB2 CR2
CB1 CR1
T
VA
VAG
VBG
VB
Tailgate Section
Tailgate / Warming
PISTON PUMP
Release / Grab
(OPTION)
ELECTRICAL INDICATOR
PRESSURE FILTER
ST
R
E
P1
P2
a2
b2
a4
b4
a1
b1
a2
b2
ARM UNDUMP