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Reelmaster 5010- HHydraulic System Page 4 - 34
Traction Circuit Charge Pressure Test
Figure 29
FORWARD
M7
M6
FROMSTEERINGCONTROLVALVE
R9
INTERNAL
CASE
DRAIN
TRACTION
WHEEL
MOTORS
G5
G6
B
R5
R4
R3
A
B
A
B
LH RH
A
P3
TOLIFTCONTROLMANIFOLD
TOSTEERINGCONTROLVALVEANDCHARGECIRCUIT
PRESSURE
GAUGE
100MESH
SUCTION
STRAINER
P1
P2
TOLIFTCONTROLMANIFOLD
TOSTEERINGCONTROLVALVEANDCHARGECIRCUIT
The traction circuit charge pressure test should be per-
formed to make sure that the traction charge circuit is
functioning correctly.
Procedurefor Traction CircuitChargePressure
Test
1. Parkmachineonalevelsurfacewiththecuttingunits
loweredand disengaged. Makesure engine isoff.Apply
the parking brake.
2. Read Precautions For Hydraulic Testing in this sec-
tion.
3. Raise and support operator seat to allow access to
hydraulic pump assembly.
CAUTION
Before opening hydraulic system, operateall hy-
draulic controls to relieve system pressure and
avoid injury from pressurized h ydraulic oil. See
Relieving Hydraulic System Pressure in the Gen-
eral Information section of this chapter.
4. Thoroughly clean test port on hydraulic tube be-
tween piston (traction) pump and oil filter (Fig. 30). Con-
nect a 1000 PSI ( 70 bar) pressure gauge to test port.