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Rev. C
ProCore 648Hydraulic System Page 4 -- 24
Traction Circuit Relief Pressure Test (Using Tester With Flow Meter and Pressure
Gauge)
Figure 20
Working Pressure
Low Pressure (Charge)
Return or Suction
Flow Direction
TCHGP
PV
R1
R2
SVR
SVQ
SVL
ORF1
CYL
G1
G2
M2 M3
M1
FORWARD
’B’ PORT
(BOTTOM)
’A’ PORT
(TOP)
’P’ PORT
FRONT
WHEEL
’P’ PORT
’P’ PORT
P2
P1
NOTE: FORWARD TRACTION CIRCUIT
RELIEF PRESSURE TEST IS SHOWN
PRESSURE
GAUGE
CONTROL
MANIFOLD
LIFT
CYLINDER