s250 Hydraulic Schematic v-0140legend-2

FILTER - HYDRAULIC (CANISTER)
SPRING LOADED FILTER BYPASS
VALVE: 45-55 PSI (311-379 kPa)
RESERVOIR:
Capacity . . . . . . . . . 21 Qts. (19.9 L)
1
FILTER - CASE DRAIN (90 Micron)
2
3
4
15
PULL BUTTON ACTIVATED
DIRECTIONAL CONTROL VALVE - LIFT
ARM BY PASS
16
FILTER - BICS CONTROL VALVE
(SCREEN)
17
ONE WAY RESTRICTOR
18
LOAD CHECK VALVE
19
RELIEF VALVE - MAIN:
3250-3350 PSI (22408-23097 kPa)
at Front Quick Couplers
5
20
RELIEF VALVE - PORT:
4000 PSI (27579 kPa)
21
ANTICAVITATION VALVE
22
RELIEF/ANTICAVITATION VALVE -
PORT (TILT BASE END)
3500 PSI (24132 kPa)
23
ONE WAY RESTRICTOR VALVE
24
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - AUXILIARY
25
RELIEF VALVE - PORT: . . . . . (Optional)
3500 PSI (24132 kPa)
26
RELIEF/REPLENISHING VALVE - HIGH
PRESSURE: 5000 PSI (34475 kPa)
27
PRESSURE SWITCH
28
RELIEF VALVE - CHARGE:
120 degrees F. (53 degrees C.)Fluid
at 1775 Pump RPM
390 - 430 PSI (2689 - 2965 kPa)
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - HYDRAULIC
POWERED BOB-TACH
FLOW DIVIDER ADJUSTMENT VALVE
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - FLOW CONTROL
SPOOL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - LIFT CONTROL
CHECK VALVE - BUCKET POSITION
VALVE
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - UNLOADING
SPOOL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - TILT CONTROL
DIFFERENTIAL PRESSURE SWITCH:
36-44 PSI (248-303 kPa)
FIXED CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC
MOTOR
6
7
8
9
10
11
12
13
Printed in U.S.A.
14
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BICS CONTROL
29
CHARGE PUMP
14.0 GPM (53.0 L/min.) at 2750 RPM
30
HYDRAULIC PUMP . . . . . . . Gear Type
20.7 GPM (78.35 L/min.) at 2750 RPM
31
DRIVE MOTOR SHUTTLE VALVE
32
SHUTTLE RELIEF VALVE:
200 PSI (1378 kPa)
LEGEND
HYDRAULIC/HYDROSTATIC SCHEMATIC
WITH TWO SPEED VALVE OPTION
S250 (S/N 520711001 AND ABOVE)
(PRINTED MAY 2002)
V-0140legend
1 of 2
Dealer Copy -- Not for Resale
34
LOAD SHUTTLE VALVE - BLEED OFF
35
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY CLOSED
("P2" and "F2")
36
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY OPEN
("D1" and "P1")
37
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY OPEN
("D2" and "P2")
38
FILTER - DIVERTER VALVE (SCREEN)
INTEGRATED IN SOLENOID
39
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - TO ACTIVATE
REAR AUXILIARY ("SV1")
40
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY CLOSED
("P1" and "F1")
50
CHECK VALVE WITH 0.015 RESTRICTION
V-0140legend (5-7-02)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
51
RELIEF VALVE - PORT:
4000 PSI (27579 kPa)
52
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BUCKET POSITION
VALVE (ON/OFF)
FIXED CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC
MOTOR
53
HYDRAULIC BRAKE - SPRING APPLIED -
PRESSURE TO RELEASE
54
55
56
57
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - TWO SPEED
41
CHECK VALVE - BICS CONTROL VALVE
42
RESTRICTION
43
CHECK VALVE - AUXILIARY
44
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - MAKE-UP
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BRAKE
58
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - TWO SPEED
DRIVE MOTOR
46
TWO STAGE RELIEF 1000 PSI/2000 PSI
47
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
48
RELIEF VALVE - 1200 PSI (8268 kPa)
49
PRESSURE COMPENSATED FLOW
CONTROL
33
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BLEED OFF REAR
AUXILIARY ("SV2")
59
FILTER - CASE DRAIN (ATTACHMENT)
FRONT AUXILIARY MANUAL
PRESSURE BLEED-OFF VALVE
45
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
60
FILTER (BRAKE)
LEGEND
HYDRAULIC/HYDROSTATIC SCHEMATIC
WITH TWO SPEED VALVE OPTION
S250 (S/N 520711001 AND ABOVE)
(PRINTED MAY 2002)
V-0140legend
2 of 2
Dealer Copy -- Not for Resale