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Reelmaster 5010 SeriesHydraulic System (Rev. C) Page 4 -- 30
Traction Circuit Relief Valve (R3) and ( R4) Pressure Test
Figure 24
FORWARD
M7
M6
FROMSTEERING CONTROLVALVE
R9
100MESH
SUCTION
STRAINER
INTERNAL
CASE
DRAIN
TRACTION
WHEEL
MOTORS
P1
P2
P3 P4
G5
G6
B
R5
R4
R3
A
B
A
B
LH RH
EXTERNALCASEDRAIN(TORESERVOIR)
A
P5
TOLIFTCONTROLMANIFOLD
TOSTEERING CONTROLVALVEAND CHARGE CIRCUIT
TOMOWCONTROL
(REARCUTTING UNITS)
(FRONTCUTTING UNITS)
TOMOWCONTROL
PRESSURE
GAUGE
FORWARD (R3) RELIEF
VALVE TEST SHOWN
The traction circuit relief pressure test should be per-
formed to make sure that forward and reverse traction
circuit relief pressures are correct.
Procedure f or Traction Circuit Relief Valve (R3)
and
(R4) Pressure
Test
1. Make sure hydraulic oil is at normal operating tem-
perature by operating the machine under load for
approximately ten (10) minutes.
2. Drive machine to an open area. Park machine on a
level surface with the cutting units lowered and PTO
switch off. Make sure engine is off. Apply the parking
brake.
3. Read Precautions For Hydraulic Testing in this sec-
tion.