Gradall 534B (9103-1390) Service Manual - Manual (Page 51)

HYDRAULIC SYSTEM
NOMENCLATURE
A - TILT CYLINDER
B - RESERVOIR FILTER
C - HYDRAULIC OIL RESERVOIR
D - LOW TORQUE INCHING SOLENOID VALVE
E - PILOT PUMP
F - PILOT RELIEF VALVE (350 PSI)
G - CROWD CYLINDERS
H - HOIST (LIFT) CYLINDERS (2)
J - COMPENSATING CYLINDER
K - PARALLEL SOLENOID VALVE
L - SERIES SOLENOID VALVE
M - SERIES/PARALLEL VALVE
N - STEEERING CYLINDERS (2)
O - REAR HYDRAULIC DRIVE MOTORS (2)
P - FWD/REV PILOT PRESSURE CONTROL VALVE
Q - FWD/REV VALVE
R - CAVITATION SOLENOID VALVE
S - MAIN CONTROL VALVES T - ORBITROL STEERING VALVE
(Under Cab at Base of Steering Post)
U - MAIN TANDEM PUMP
V - PRIORITY VALVE
W - OVERLOAD SENDER
X - BRAKE CIRCUIT ACCUMULATOR
Y - SWAY CYLINDER
Z - OUTRIGGER CYLINDERS (2) (OPTIONS)
AA - ROTARY INCHING VALVE
BB - LOW TORQUE INCHING SWITCH
CC - FORWARD/REVERSE SWITCHES
(Under Dash Panel)
DD - BRAKE VALVE
EE - OUTRIGGER CYLINDER DIVERSION VALVES
FF - BOOM CYLINDER DIVERSION VALVES
KK - CHARGING VALVE
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