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REV D
Section 6 • Schematics
June 2009
Part No. 97385
GS-30 • GS-32 • GS-46
6 - 117
Hydraulic Schematic
GS-1530/1532/1930/1932 (after serial number GS3005A-76491)
GS-1530/1532/1930/1932 (after serial number GS3005B-76084)
GS-1530/1532/1930/1932 (from serial number GS3008C-101)
ABBREVIATION LEGEND
Item Description
A Test
port
B
Check valve, steer circuit
C Relief
valve,
lift
D
Check valve, brake circuit
E Drive
forward/reverse
F Steer
left/right
G Flow
regulator/relief
valve
H Platform
up
I
Relief valve, system
L
Hand pump, manual brake release
M
Needle valve, manual brake release
N Platform
lowering
valve
O
Orifice, platform down circuit
P Accumulator
R
Pressure switch, platform overload
S
Check valve, drive circuit
HS0035J
A
L
M
I
H
C
F
B
G
E
R
N
O
P
D
S
Y5
Y6
0.25 gpm @ 3700 psi
0.95 L/min @ 255 bar
TP
0.25 gpm @ 1800 to 3700 psi
0.95 L/min @ 124 to 255 bar
L
Y8
V
S1
S2
0.75 gpm
2.8 L/min
1500 psi
103 bar
FUNCTION MANIFOLD
M1
LEFT
DRIVE
MOTOR
M4
RIGHT
DRIVE
MOTOR
FOR
W
ARD
REVERSE
B
AC
Y3
Y4
10 MICRON WITH
25 psi / 1.7 bar
BYPASS
HYDRAULIC TANK
P
T
Y7
PS2
PLATFORM
OVERLOAD
(CE MODELS)
0.037 inch
0.94 mm
BRAKE
RIGHT
LEFT
BRAKE
RELEASE
MANIFOLD
HAND
PUMP
B1
MANUAL
RELEASE
HP
10 psi
0.7 bar
M
POWER UNIT
4 gpm @ 2500 psi
15 L/min @ 172 bar
200 psi
13.8 bar
THE ORIFICE IS LOCATED
UNDERNEATH THE
HOSE FITTING ON THE
LIFT CYLINDER
STEER
LEFT
STEER
RIGHT
LIFT CYLINDER
(ALL MODELS)
0.037 inch
0.94 mm
4.75 CU. IN.
78 cc
BRAKE RELEASE
PRESSURE
370 to 450 psi
26 to 31 bar
0.25 gpm
0.95 L/min