Relief Valve (R1) and (R2) Pressure Test
TO STEERING CONTROL VALVE AND CHARGE CIRCUIT
TO LIFT CONTROL MANIFOLD
P1
P2
P3
P4
EXTERNAL CASE DRAIN
100
MESH
SUCTION
INTERNAL
CASE
DRAIN
STRAINER
G5
A
FORWARD
R3
R4
A
A
TRACTION
WHEEL LH M6
M7
RH
P5
MOTORS
B
B
R5
B
G6
R9
FROM STEERING CONTROL VALVE
REAR MOW CIRCUIT
G1
C.U. 2
C.U. 3
TESTER
OR1
R11
R11
P1
M1
M2
M3
FC1
BKLP1
EP1
R1
OR3
MR1
MR2
MSV1
CV
T
RELIEF VALVE (R1)
TEST SHOWN
MSV2
OR4
R2
EP2
FC2
BKLP2
M2
P2
FRONT MOW CIRCUIT
C.U. 4
C.U. 1
C.U. 5
OR2
R11
R11
R11
G2
MOW
CONTROL
MANIFOLD
M4
M1
M5
R8
FROM LIFT CONTROL MANIFOLD
Figure 32
The relief valve (R1) and (R2) pressure test should be
performed to make sure that the cutting unit circuit relief
pressures are correct.
1. Make sure hydraulic oil is at normal operating tem-
perature by operating the machine under load for
approximately 10 minutes.
NOTE: Thefrontcutting unitcircuitisprotected byrelief
valve(R2).Therearcuttingunitcircuitisprotectedbyre-
lief valve (R1) (see Hydraulic Flow Diagrams in this
chapter).
2. Parkmachineonalevelsurfacewiththecuttingunits
lowered andPTOswitch off.Makesure engine is offand
mow/transport lever is in mow. Apply the parking brake.
3. Read Precautions For Hydraulic Testing in this sec-
tion.
Procedure for Relief Valve (R1) and (R2) Pressure
Test
Hydraulic System
Page 4 -- 36 Rev. B
Reelmaster 5010 Series
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
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| Document Type | Catalog, Service Manual |
| Language | English |
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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