40
4111-0016 — Aug. 2019
© 2019 Systems, LLC
PowerHold SC Valve Block
Item Quantity
Part Number
Description
A
1
8583-0018
Complete Valve Assembly, 8/2012-present (Includes A-F)*
B
1
9571-0007
Fitting Pipe Plug 1/8 NPT
C
2
9301-0109
Fitting Conn STR Thread
D
2
9301-0113
Fitting Elbow 90 Deg STR Thread #6 ORB x #6 JIC
E
1
8581-0089
Valve Cartridge Relief
F
1
8581-0149
Valve Cartridge 4-Way
G
1
8581-0004
Coil, Delta
H
1
4305-0319
Cable Assembly 22” Lg
F
BILL OF MATERIAL
SIZE
DESCRIPTION
PART NO.
QTY
ITEM
DELTA #DE-RVA-00-1500
VALVE,CART,RELIEF,DIR.ACTING
8581-0089
1
1
DELTA #DG-S4D-00
CARRIAGE VALVE - 4 WAY
8581-0149
1
2
HYDRAULIC VALVE MANIFOLD - PHOLD S.C.
8582-0035
1
3
3/16 DIA X 3/4
SPRING PIN
9301-0022
1
4
#4 ORB
HOLLOW HEX PLUG-ST
9301-0104
1
5
#6 ORB - #6 JIC
FITTING CON STR THRD
9301-0109
2
6
#6 ORB - #6 JIC
FITTING ELBOW - 90 DEG STR THREAD
9301-0113
2
7
1/8 NPTM, EDP 17068
FTG, PLUG
9571-0007
1
8
TOLERANCES
(UNLESS OTHERWISE NOTED)
FRACTIONAL:
1/32"
DECIMAL:
.00 =
.01"
.000 =
.005"
ANGULAR:
1
MATERIAL
DRAWN BY
CHECKED BY
DRAWING NO.
DATE
JAH
5/16/2011
8583-0018
VALVE ASSEMBLY
P O W E R A M P
M C G U I R E
D L M
L o a d i n g D o c k E q u i p m e n t
This print is the property of Systems, Inc. and represents a proprietary article in which Systems, Inc. retains any and all
patent and other rights, including exclusive rights of use and/or manufacture and/or sale. Possession of this print does
not convey any permission to reproduce, print or manufacture the article or articles shown therein, such permission to be
granted only by written authorization signed by an officer or other authorized agent of Systems, Inc. thereof.
SC PHOLD
3
1
7
8
5
3
1
2
4
2
4
6
B
13-034 7/9/13
IT 1 WAS 8581-0105
A
ST
1/21/13
REVERSED ITEMS 1 &
2,UPDATED
SCHEMATIC
NOTE
DESCRIPTION
1
TO ROD END PHOLD CYL
2
RETURN TO TANK
3
TO BLIND END OF PHOLD CYL
4
PRESSURE FROM PUMP
BILL OF MATERIAL
SIZE
DESCRIPTION
PART NO.
QTY
ITEM
DELTA #DE-RVA-00-1500
VALVE,CART,RELIEF,DIR.ACTING
8581-0089
1
1
DELTA #DG-S4D-00
CARRIAGE VALVE - 4 WAY
8581-0149
1
2
HYDRAULIC VALVE MANIFOLD - PHOLD S.C.
8582-0035
1
3
3/16 DIA X 3/4
SPRING PIN
9301-0022
1
4
#4 ORB
HOLLOW HEX PLUG-ST
9301-0104
1
5
#6 ORB - #6 JIC
FITTING CON STR THRD
9301-0109
2
6
#6 ORB - #6 JIC
FITTING ELBOW - 90 DEG STR THREAD
9301-0113
2
7
1/8 NPTM, EDP 17068
FTG, PLUG
9571-0007
1
8
TOLERANCES
(UNLESS OTHERWISE NOTED)
FRACTIONAL:
1/32"
DECIMAL:
.00 =
.01"
.000 =
.005"
ANGULAR:
1
MATERIAL
DRAWN BY
CHECKED BY
DRAWING NO.
DATE
JAH
5/16/2011
8583-0018
VALVE ASSEMBLY
P O W E R A M P
M C G U I R E
D L M
L o a d i n g D o c k E q u i p m e n t
This print is the property of Systems, Inc. and represents a proprietary article in which Systems, Inc. retains any and all
patent and other rights, including exclusive rights of use and/or manufacture and/or sale. Possession of this print does
not convey any permission to reproduce, print or manufacture the article or articles shown therein, such permission to be
granted only by written authorization signed by an officer or other authorized agent of Systems, Inc. thereof.
SC PHOLD
3
1
7
8
5
3
1
2
4
2
4
6
B
13-034 7/9/13
IT 1 WAS 8581-0105
A
ST
1/21/13
REVERSED ITEMS 1 &
2,UPDATED
SCHEMATIC
NOTE
DESCRIPTION
1
TO ROD END PHOLD CYL
2
RETURN TO TANK
3
TO BLIND END OF PHOLD CYL
4
PRESSURE FROM PUMP
B
D
E
C
G
H
A
2
1
3
4
1
2
3
4
On self-contained units from 8/2012 to present, fluid directs to raise restraint until coil (
H
) is energized, then
diverter valve (
F
) directs fluid to lower restraint. Contact Tech Services for pre-8/2012 units.
F
PARTS
*Provide vehicle restraint serial number when e-mailing, calling or faxing orders. Contact Tech Services for pre-8/2012 units.
