Toro Reelmaster 5210 - Gear Pump (P4) Flow Test

Reelmaster 5010 SeriesHydraulic System (Rev. C) Page 4 -- 50
Gear Pump (P4) Flow Test
(Using Tester with Pressure Gauges and Flow Meter)
Figure 46
T
C4
P4
C5
C1
C2/3C2/3 L
LEFT
FRONT
RIGHT
FRONT
FRONT
CENTER
REAR
R8
C4 L
C5 L
C1 L
REAR
LEFT
RIGHT
100 MESH
SUCTION
STRAINER
INTERNAL
CASE
DRAIN
P1
P2
P3 P4
G4
SV3
SV1
SV2
R7
SVRV
CV4
CV1
CV5
CV23
PUMP (P5)
TO STEERING
TO MOW CONTROL
(REAR CUTTING UNITS)
(FRONT CUTTING UNITS)
TO MOW CONTROL
FROM MOW CONTROL
MANIFOLD
CONTROL VALVE
TESTER
(NOT ENERGIZED)
LIFT
CONTROL
MANIFOLD
The gear pump (P4) flow test s hould be performed to
make sure that the cutting unit lift circuit has adequate
hydraulic flow.
Procedure for Gear Pump (P4) Flow
Test
1. Make sure hydraulic oil is at normal operating tem-
perature by operating the machine under load for
approximately ten (10) minutes.
2. Parkmachineonalevelsurfacewiththecuttingunits
loweredandPTOswitchoff.Makesureengineisoff.Ap-
ply the parking brake.
3. Read Precautions For Hydraulic Testing in this sec-
tion.
CAUTION
Beforeopening hydraulicsystem,operate allhy-
draulic controls to relieve system pressure and
avoid injury from pressurized hydraulic oil. See
RelievingHydraulicSystemPressureintheGen-
eral Information section of this chapter.