Service Manual

Groundsmaster 3500Hydraulic System Page 5 − 62
Steering/Lift/Sidewinder Circuit Testing − Relief Valve Pressure Test
P1 P2
ENGINE
RPM
GEAR PUMP
L
R
V1
STRAINER
STEERING
POWER
STEERING
VALVE
P
T
E
1000 psi
FROM HYDROSTAT
INTERNAL CASE DRAIN
TO HYDRAULIC
MANIFOLD
TO HYDRAULIC
MANIFOLD
(ST) PORT
TO LIFT VALVE
(IN) PORT
High Pressure
Low Pressure
Return or Suction
Flow
(P1) PORT
FROM
OIL FILTER
TEST
GAUGE