t190 Hydraulic Schematic v-0523legend-2

T190 HYDRAULIC/HYDROSTATIC SCHEMATIC
(S/N 519315203 - 519315699)
(S/N 519412317 - 519412349)
(PRINTED April 2004)
V-0523legend
SPRING LOADED FILTER BY-PASS
VALVE: 45-55 PSI (3,1-3,8 Bar)
RESERVOIR:
Capacity . . . . . . . . . 19.2 Qts. (18 L)
1
2
19
PULL BUTTON ACTIVATED
DIRECTIONAL CONTROL VALVE - LIFT
ARM BY-PASS
14
LOAD CHECK VALVE
9
RELIEF VALVE - MAIN:
3300 PSI (228 Bar)
at Front Quick Couplers
11
ANTICAVITATION VALVE
12
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - AUXILIARY
10
RELIEF VALVE - PORT:
3500 PSI (241 Bar)
5
RELIEF/REPLENISHING VALVE - HIGH
PRESSURE: 5000 PSI (345 Bar)
6
RELIEF VALVE - CHARGE INLET:
245-255 PSI (16,9-17,6 Bar)
at Sender
With 140 degrees F. (49 degrees C.) Fluid
at High Engine Idle
24
LOAD SHUTTLE VALVE - BLEED OFF
25
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY CLOSED
("P2" and "F2")
26
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY OPEN
("D1" and "P1")
27
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY OPEN
("D2" and "P2")
LEGEND
FLOW DIVIDER ADJUSTMENT VALVE
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - FLOW CONTROL
SPOOL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - BICS LOCK
VALVE - LIFT CONTROL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - UNLOADING
SPOOL
PILOTED ACTIVATED DIRECTIONAL
CONTROL VALVE - BICS LOCK
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 - LIFT/TILT CONTROL
8
HYDRAULIC PUMP . . . . . . . Gear Type
16.7 GPM (63.2 L/min.) at High Engine Idle
at 1150 PSI (79,3 Bar)
23
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BLEED OFF REAR
AUXILIARY ("SV2")
4
DRIVE MOTOR FLUSHING VALVE
7
13
RELIEF VALVE - PORT: . . . . . (Optional)
3500 PSI (241 Bar)
15
LIFT CYLINDER SPOOL - MADE TO
RESTRICT FLOW DURING BOOM
DOWN BUT NOT DURING BOOM UP
42
FRONT AUXILIARY MANUAL
PRESSURE
BLEED-OFF VALVE
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
RELIEF/ANTICAVITATION VALVE -
PORT (TILT BASE END)
3500 PSI (241 Bar)
39
ONE WAY RESTRICTOR VALVE
28
FILTER - DIVERTER VALVE
(SINTERED BRONZE)
29
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - TO ACTIVATE
REAR AUXILIARY ("SV1")
30
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY CLOSED
("P1" and "F1")
42
CHARGE PRESSURE SENDER
V-0523legend (3-30-04)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
CHECK VALVE - BUCKET POSITION
VALVE
FIXED CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC
MOTOR....................................820cc
34
38
43
RELIEF VALVE - PORT:
3500 PSI (241 Bar)
40
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BUCKET POSITION
VALVE (ON/OFF)
41
CHECK VALVE - BICS CONTROL VALVE
35
RESTRICTION
36
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
49
BRAKE PRESSURE RELIEF VALVE
500 PSI (34,5 Bar)
47
TEMPERATURE SENDER
48
CHECK VALVE
46
HYDRAULIC BRAKE - SPRING APPLIED
- PRESSURE ASSIST
37
FLUSHING RELIEF VALVE
(Not Adjustable - Factory Set)
145 PSI (10 Bar)
45
50
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BRAKE
51
BRAKE SERVICE PORT - MALE
52
PILOT ACTIVATED DIRECTIONAL CONTROL
VALVE - HYDRAULIC POWERED BOBTACH
53
RESTRICTION - 0.089 inch 2,26 mm)
54
55
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
56
RELIEF VALVE - 2000 PSI (138 Bar)
RELIEF VALVE - 1200 PSI (82,7 Bar)
RESTRICTION - 0.025 inch 0,6 mm)
57
CHECK VALVE - With 300 PSI (20,7 Bar) Spring
And With 0.016 inch (0,40 mm) Orifice
58
CHECK VALVE - With 80 PSI (5,5 Bar) Spring
T190 HYDRAULIC/HYDROSTATIC SCHEMATIC
(S/N 519315203 - 519315699)
(S/N 519412317 - 519412349)
(PRINTED April 2004)
V-0523legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale