t190 Hydraulic Schematic v-0454legend-2

HYDRAULIC/HYDROSTATIC SCHEMATIC
T190 (S/N 527011001 AND ABOVE)
(S/N 527911001 AND ABOVE)
(PRINTED MARCH 2005)
V-0454legend
SPRING LOADED FILTER BY-PASS
VALVE: 45-55 PSI (3,1-3,8 Bar)
RESERVOIR:
Capacity . . . . . . . 19.2 Qts. (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: 5000 PSI (345 Bar)
6
RELIEF VALVE - CHARGE INLET:
220-270 PSI (15,1-18,6 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
RELIEF VALVE - PORT: . . . . . (Optional)
3100 PSI (213,7 Bar)
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)
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 (241,3 Bar)
39
CHECK VALVE - With 80 PSI (5,5 Bar) Spring
29
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - HYDRAULIC
POWERED BOB-TACH
V-0454legend (3-10-05)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
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
55
HYDRAULIC BRAKE - SPRING APPLIED -
PRESSURE RELEASE
42
RELIEF VALVE - PORT:
3500 PSI (241,3 Bar)
40
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BUCKET POSITION
VALVE (ON/OFF)
41
CHECK VALVE - BICS CONTROL VALVE
CHECK VALVE
RELIEF VALVE - BRAKE PRESSURE
500 PSI (34,5 Bar)
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE
HYDRAULIC/HYDROSTATIC SCHEMATIC
T190 (S/N 527011001 AND ABOVE)
(S/N 527911001 AND ABOVE)
(PRINTED MARCH 2005)
V-0454legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale