t190 Hydraulic Schematic v-0696legend-2

HYDRAULIC/HYDROSTATIC SCHEMATIC
WITH SJC AND HIGH FLOW OPTION
T190 (S/N 527713000 AND ABOVE)
(S/N 527813000 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
RELIEF VALVE - PORT: . . . . . (Optional)
3500 PSI (241,3 bar)
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 16.3
GPM (61,7 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
RELIEF VALVE - PORT: . . . . . (Optional)
3100 PSI (213,8 bar)
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 MAY 2005)
V-0696legend
15
LIFT CYLINDER SPOOL - MADE TO
RESTRICT FLOW DURING BOOM
DOWN BUT NOT DURING BOOM UP
29
RESTRICTOR - 0.031 inch (0,8 mm)
RELIEF VALVE: 3300 PSI (228 bar)
30
FILTER - HYDRAULIC (CANISTER)
31
1 of 2
Dealer Copy -- Not for Resale
FILTER - CASE DRAIN (SINTERED
BRONZE)
32
33
FILTER - BICS CONTROL VALVE
(SCREEN)
39
CHECK VALVE - With 80 PSI (5,5 bar) Spring
CHECK VALVE - BUCKET POSITION
VALVE
FIXED CAPACITY DISPLACEMENT
BI-DIRECTIONAL HYDROSTATIC
MOTOR
34
38
35
RESTRICTION
36
VARIABLE CAPACITY DISPLACEMENT
BI-DIRECTIONAL HYDROSTATIC PUMP
49
47
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
48
RELIEF VALVE - 2000 PSI (137 bar)
37
SHUTTLE RELIEF VALVE
(Not Adjustable - Factory Set)
65 PSI (4,5 bar)
RELIEF VALVE - 1200 PSI (83 bar)
50
DUMP VALVE - (ON/OFF)
RELIEF VALVE - 3300 PSI (228 bar)
51
52
CHECK VALVE
53
AUXILIARY HYDRAULIC PUMP -
9.5 GPM (36 L/min) at High Engine Idle
54
CHECK VALVE - With 300 PSI (20,7 bar) Spring
with 0.016 inch (0,40 mm) orifice
55
HYDRAULIC BRAKE - SPRING APPLIED
- PRESSURE RELEASE
42
40
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BUCKET POSITION
VALVE (ON/OFF)
41
CHECK VALVE - BICS CONTROL VALVE
56
CHECK VALVE
57
RELIEF VALVE - BRAKE PRESSURE
500 PSI (34,5 bar)
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE
V-0696legend (5-4-05)
NOTE: Unless otherwise specified, springs have
NO significant pressure value.
58
FILTER - Bob-Tach Valve
44
PORT RELIEF/ANTICAVITATION VALVE
3500 PSI (241,3 bar)
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - HYDRAULIC
POWERED BOB-TACH
43
45
RESTRICTION - 0.089 inch (2,26 mm)
46
RESTRICTION - 0.025 inch (0,6 mm)
59
CHARGE PUMP -
12.8 GPM (48,5 L/min) at High Engine Idle
60
61
SERVO PISTON -Swash Plate
62
POSITION SENSOR -Swash Plate
SOLENOID ACTIVATED CONTROL
VALVE - FORWARD/REVERSE
CHARGE PRESSURE SWITCH
63
HYDRAULIC/HYDROSTATIC SCHEMATIC
WITH SJC AND HIGH FLOW OPTION
T190 (S/N 527713000 AND ABOVE)
(S/N 527813000 AND ABOVE)
LEGEND
(PRINTED MAY 2005)
V-0696legend
2 of 2
Dealer Copy -- Not for Resale