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Reelmaster 5010- HHydraulic System Page 4 - 32
Traction Circuit Relief Valve (R3) and (R4) Pressure Test
Figure 26
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
FORWARD (R3) RELIEF
VALVE TEST SHOWN
100MESH
SUCTION
STRAINER
P1
P2
TOLIFTCONTROLMANIFOLD
TOSTEERINGCONTROLVALVEANDCHARGECIRCUIT
Thetractioncircuitreliefpressuretestshouldbeper-
formed to make sure that forward and reverse traction
circuit relief pressures are correct.
Procedure for Traction Circuit Relief Valve (R3)
and
(R4) Pressure
Test
1. Drive machine to an open area. Park machine on a
level surface with the cutting units lowered and disen-
gaged.Make sureengine isoff.Applythe parkingbrake.
2. Read Precautions For Hydraulic Testing at the be-
ginning of this section.
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.