Charge Relief Valve Pressure Test (Using Pressure Gauge)
LOWER
PORT
INTERNAL CASE DRAIN
Hydraulic System
M5
TRACTION WHEEL MOTORS
M4
DUMP
VALVE
3000 psi
100 to 150 psi
CHARGE RELIEF
P3
TOP PORT
M6
UPPER
PORT
ENGINE
RPM
HYDROSTAT
STRAINER
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TO HYDRAULIC
MANIFOLD (P1) PORT
FROM HYDRAULIC
MANIFOLD (CHG) PORT
TO STEERING CONTROL
VALVE (IN) PORT
P1
P2
GEAR PUMP
High Pressure
Low Pressure
Return or Suction
Flow
Reelmaster 3100−D