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Groundsmaster 4000--DHydraulic System (Rev. B) Page 4 -- 46
TEST NO. 12: Traction Circuit Reducing Valve (PR) Pressure (Using Pressure Gauge)
Working Pressure
Low Pressure
Return or Suction
Flow
CHG M1
G
G
GAGE
CYL
PD2
CV
PR
CHG
8
3
5B
7
2
5A
SV
PD1
RV5
1.2
T
P1
2.01
FRONT
TOW
VALVE
M2
M1
REAR
P2
1.2
2.48
4000
PSI
5000
PSI
.58
2.48
2.48
CHARGE
TO RESERVOIR
CASE DRAIN
CIRCUIT
CHARGE
CIRCUIT
TO
CHARGE
CIRCUIT
TO LIFT/LOWER CIRCUIT
TO STEERING CIRCUIT
TO PTO (MOW) CIRCUIT
FROM OIL
FROM
FILTER
RESERVOIR
TO RESERVOIR