Mec 3072ES - Hydraulic Schematic

October 2008 "3072ES / 3772ES / 3772ES HD" Service & Parts Manual
Page 5-2
HYDRAULIC SCHEMATIC
Callout
CYL2
MA3
SV5
ORF3
CYL3
MA5
SV6
RV4
ORF4
CYL4
MA4
SV6
RV4
ORF6
LF
LR
SV10
RF
RR
SV10
P1
FL1
CYL1
CYL5
SV7
SV8
SV9
Description
Lift Cylinder Components (3072ES)
Cylinder
Manifold, Lift Cylinder
Solenoid Valve - 12V Cable Attach
Orifice - 0.067
Lift Cylinder Components (3772ES)
Cylinder, Upper
Manifold, Lift Cylinder, Upper
Solenoid Valve - 12V Dual Coil
Relief Valve - 3200 PSI
Orifice - 0.067
Cylinder, Lower
Manifold, Lift Cylinder, Lower
Solenoid Valve - 12V Dual Coil
Relief Valve - 3200 PSI
Orifice - 0.042
Wheel Motor Components
Wheel Motor - Left Front
Wheel Motor - Left Rear
Solenoid Valve – Cross Port Valve
Wheel Motor - Right Front
Wheel Motor - Right Rear
Solenoid Valve – Cross Port Valve
Pump - Fixed Displacement
Return Filter - 10 Micron
Cylinder, Steering
Optional Outriggers Components
Outrigger Cylinder
Solenoid Valve, Poppet N.C.
Solenoid Valve, Poppet N.C.
Spool Valve, 4-way, - 3-Position
Callout
MA1
SVD1
SV1
SV2
SV3 - SV4
RV1
RV2
PD1 - PD2 - PD3
EP1 - EP2
MP1
LS1 - LS2 - LS3
CBV1 - CBV2
CL1
CL2
CL3
HP1
FD1 - FD2
EC1
CV1 - CV2
OD1
OPL2
OPL5 - OPL6
ORF5
RV3
Description
Manifold Components
Manifold, Main Valve Block
Spool Valve, Drive, 4-Way - 3-Position
Spool Valve, Lift, 3-Way
Spool Valve, Steer, 4-Way - 3-Position
Spool Valve, Series Parallel, 4-Way - 3-Position
Relief Valve, Lift - 2500 PSI
Relief Valve, Steer - 1500 PSI
Piloted Spool Valve, 4-Way - 3-Position
Piloted Poppet Valve
Manual Pull Valve
Load Sense Shuttle Check Valve
Counter Balance Valve
Coil, Series 8 - 12V
Coil, Series 10 - 12V
Coil, Series 10 E-Coil - 12V
Hand Pump, Brake Release
Flow Divider / Combiner
Pressure Compensator
Check Valve, Load Sense
Orifice Disc, Brake - 0.035
Orifice Plug, Steer - 0.080
Orifice Plug, Flow Divider Bleed - 0.025
Orifice, Steer Control - 0.064
Main Relief Manifold
Main Relief Valve