s175-s185 Hydraulic Schematic v-0715legend-2

HYDRAULIC/HYDROSTATIC SCHEMATIC
With SJC Option
S175 (S/N 525215000 AND ABOVE)
(S/N 525315000 AND ABOVE)
S185 (S/N 525015000 AND ABOVE)
(S/N 525115000 AND ABOVE)
SPRING LOADED FILTER BY-PASS
VALVE: 45-55 PSI (3,1-3,8 bar)
RESERVOIR:
Capacity . . . . . . . 19.2 qt. (18,2 L)
1
2
19
PULL BUTTON ACTIVATED
DIRECTIONAL CONTROL VALVE - LIFT
ARM BY-PASS
9
RELIEF VALVE - MAIN:
3250-3350 PSI (224-231 bar)
at Front Quick Couplers
11
ANTICAVITATION VALVE
12
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - AUXILIARY
10
5
RELIEF/REPLENISHING VALVE - HIGH
PRESSURE: 5250 PSI (362 bar)
6
RELIEF VALVE - CHARGE INLET:
360 PSI (24,8 bar)
at High Engine Idle
With 140 degrees F. (60 degrees C.) Fluid
24
25
LOAD SHUTTLE VALVE - BLEED OFF
26
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - TWO COIL
LEGEND
FLOW DIVIDER ADJUSTMENT VALVE
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - FLOW CONTROL
SPOOL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - LIFT CONTROL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - UNLOADING
SPOOL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - TILT CONTROL
DIFFERENTIAL PRESSURE SWITCH:
36-44 PSI (2,5-3,0 bar)
Normally Closed
3
22
21
20
17
18
Printed in U.S.A.
16
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BICS CONTROL
8
HYDRAULIC PUMP . . . . . . . Gear Type
16.9 GPM (64 L/min.) at High Engine Idle
23
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BASE
4
DRIVE MOTOR SHUTTLE VALVE
7
FRONT AUXILIARY MANUAL
PRESSURE BLEED-OFF VALVE
13
15
LIFT CYLINDER SPOOL - MADE TO
RESTRICT FLOW DURING BOOM
DOWN BUT NOT DURING BOOM UP
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - ROD
14
LOAD CHECK VALVE
27
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - REAR AUXILIARY
28
RESTRICTOR - 0.140 inch (3,6 mm)
(PRINTED JULY 2005)
V-0715legend
PORT RELIEF/ANTICAVITATION VALVE:
. . . . . (Optional)
3500 PSI (241,3 bar)
PORT RELIEF/ANTICAVITATION VALVE
3500 PSI (241,3 bar)
1 of 2
Dealer Copy -- Not for Resale
FILTER - HYDRAULIC (CANISTER)
FILTER - CASE DRAIN (SINTERED
BRONZE)
32
31
33
FILTER - BICS CONTROL VALVE
(SCREEN)
44
39
CHECK VALVE - With 80 PSI (5,5 bar) Spring
29
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - HYDRAULIC
POWERED BOB-TACH
CHECK VALVE - BUCKET POSITION
VALVE
FIXED CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC
MOTOR
34
38
43
35
RESTRICTION
36
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
49
47
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
48
RELIEF VALVE - 2000 PSI (137 bar)
46
37
SHUTTLE RELIEF VALVE
(Not Adjustable - Factory Set)
65 PSI (4,5 bar)
45
RESTRICTOR - 0.031 inch (0,8 mm)
RELIEF VALVE: 3300 PSI (228 bar)
30
RESTRICTION - 0.089 inch (2,26 mm)
RESTRICTION - 0.025 inch (0,6 mm)
RELIEF VALVE - 1200 PSI (83 bar)
50
51
52
53
CHECK VALVE - With 300 PSI (20,7 bar) Spring
with 0.016 inch (0,40 mm) orifice
42
40
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BUCKET POSITION
VALVE (ON/OFF)
41
CHECK VALVE - BICS CONTROL VALVE
V-0715legend (7-12-05)
NOTE: Unless otherwise specified, springs have
NO significant pressure value.
54
FILTER - Bob-Tach Valve
55
CHARGE PUMP . . . . . . . Gear Type
12.8 GPM (48,5 L/min.) at High Engine Idle
SOLENOID ACTIVATED CONTROL
VALVE - FORWARD/REVERSE
SERVO PISTON - Swash Plate
POSITION SENSOR - Swash Plate
CHARGE PRESSURE SENSOR
RESTRICTION - 0.343 inch (8,7 mm)
HYDRAULIC/HYDROSTATIC SCHEMATIC
With SJC Option
S175 (S/N 525215000 AND ABOVE)
(S/N 525315000 AND ABOVE)
S185 (S/N 525015000 AND ABOVE)
(S/N 525115000 AND ABOVE)
LEGEND
(PRINTED JULY 2005)
V-0715legend
2 of 2
Dealer Copy -- Not for Resale