Owner manual
PARTS
4111-0010 — Nov 2010
53
Item# Part Description Bock Label Function Part Number
1 Cartridge Valve - 4-way - 2-position A Fluid to Powerhook or Dock Leveler if energized 8581-0011
2,5,8,12,14 Delta Coil Activates Cartridge Valve 8581-0004
3 Elbow 90º Fitting DLS Fluid to Logic Block 9301-0127
4 Cartridge Valve - 3-way - 2-position B Fluid to lower Powerhook if energized (with D) 8581-0005
6 Pressure Switch Assemebly PS Tells PLC to stop Powerhook retracting when ICC bar engaged 0963-0004
7 Cartridge Valve - 3-way - 2-position C2 Fluid to retract Powerhook when energized (with C1) 8581-0005
9 Elbow 45º Fitting HC2 Fluid to top of Powerhook cylinder via regeneration valve 9301-0120
10 Elbow 45º Fitting HC1 Fluid to base of Powerhook cylinder via regeneration valve 9301-0120
11 Elbow 45º Fitting HDC Fluid to positioning cylinder 9301-0120
13 Cartridge valve - 2-way - N.C. C1 Fluid to retract Powerhook when energized (with C2) 8581-0074
15 Cartridge valve - 3-way - 2-position D Fluid to hold Powerhook in lowered position when energized 8581-0005
16 Cartridge valve - Flow control NV Conrols fl ow to/from positioning cylinder 8581-0008
17 Cartridge valve -relief RV Controls fl ow to/from Powerhook, dumps excess fl ow to tank 8581-0089
18 T-Fitting R1 Return line (dump line) to pump 9301-0127
19 T-Fitting R1 Fluid to dock leveler - logic block 9301-0127
20 Incoming pressure line P1 Incoming hydraulic fl uid from pump varies by model
21 Cabel Assembly Wire harness, 48”, 5 wire assembly: connects to 5 delta coils 4305-0234
22 Cable individual (not shown) Individual wire, 48”, connects to single delta coil 4305-0235
1
9
10
19
7
11
15
18
13
5
20
17 16
21
2 4
8
14
12
3
6
PowerHook Valve Body Assembly