TractionCircuitReliefPressureTest(UsingPressureGauge)
FORWARD RELIEF
PRESSURE TEST SHOWN
TO STEERING/DECK LIFT
4.15 CID
21.7 GPM
36 PSI
M4
M5
0.032” 0.032”
S2
1.03 CID
2.11 CID
21.7 GPM
M14
RETURN FILTER
BREATHER
TRACTION PUMP
2.11 CID
S1
B
MB
MA
A
3M2L
E
L4
42.7 GPM
FORWARD
REVERSE
10.6 GPM
5080
PSI
5080
PSI
TO TRACTION
MANIFOLD
P1 PORT
MANIFOLD PORT P1
MANIFOLD CH2 PORT
FROM STEERING/LIFT
TO TRACTION
MANIFOLD
P2 PORT
FROM STEERING/DECK LIFT
WHEEL MOTOR CASE DRAINS
FROM TRACTION MANIFOLD CD1 PORT AND
290
PSI
TO TRACTION
MANIFOLD
CH PORT
MANIFOLD PORT CL
FROM STEERING/LIFT MANIFOLD
PORT T AND FRONT LIFT CYLINDERS
TO FRONT DECK
MANIFOLD
TO LEFT DECK
MANIFOLD
P1 PORT
P1 PORT
FROM FRONT DECK MANIFOLD
AND STEERING UNIT
FROM LEFT AND
RIGHT DECK CIRCUITS
FROM FRONT
AND RIGHT
DECK MANIFOLDS
PRESSURE
GAUGE
AM3
ENGINE WOT
SPEED: 2530 RPM
(Wide Open Throttle)
g287736
Figure51
Thetractioncircuitreliefpressuretestshouldbeperformedtomakesurethat
forwardandreversetractioncircuitreliefpressuresarecorrect.
CAUTION
Preventpersonalinjuryand/ordamagetoequipment.Readall
WARNINGS,CAUTIONSandPrecautionsforHydraulicTestingatthe
beginningofthissection.
HydraulicSystem:Testing
Page5–42
Groundsmaster
®
5900&5910
16227SLRevB