t250 Hydraulic Schematic v-0334legend-2

FILTER - HYDRAULIC (CANISTER)
SPRING LOADED FILTER BYPASS
VALVE: 45-55 PSI (3.1-3.8 Bar)
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 (ACS Valve Only)
18
LOAD CHECK VALVE
19
RELIEF VALVE - MAIN:
3250-3350 PSI (224-231 Bar)
at Front Quick Couplers
5
20
RELIEF VALVE - PORT:
4000 PSI (276 Bar)
21
ANTICAVITATION VALVE
22
RELIEF/ANTICAVITATION VALVE -
PORT (TILT BASE END)
3500 PSI (241 Bar)
23
ORIFICE - LIFT BASE (Manual Valve Only)
24
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - AUXILIARY
25
RELIEF VALVE - PORT: . . . . . (Optional)
3500 PSI (241 Bar)
26
RELIEF/REPLENISHING VALVE - HIGH
PRESSURE: 5000 PSI (345 Bar)
27
PRESSURE SWITCH
28
RELIEF VALVE - CHARGE:
120 degrees F. (53 degrees C.)Fluid
at 1775 Pump RPM
390 - 430 PSI (27 - 30 Bar)
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - HYDRAULIC
POWERED BOB-TACH
LEGEND
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 (2.5-3.0 Bar)
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
14.2 GPM (53.8 L/min.) at 2550
Engine RPM
30
HYDRAULIC PUMP . . . . . . . Gear Type
21.2 GPM (80.25 L/min.)at 2550
Engine RPM
HYDRAULIC/HYDROSTATIC SCHEMATIC
T250 (S/N 523011001 AND ABOVE)
(S/N 523111001 AND ABOVE)
(PRINTED MAY 2004)
V-0334legend
1 of 2
Dealer Copy -- Not for Resale
34
LOAD SHUTTLE VALVE - BLEED OFF
35
36
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - TWO COIL
37
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - REAR AUXILIARY
38
RESTRICTOR - 0.140 inch (3,6 mm)
39
40
V-0334legend (4-29-04)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
52
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BUCKET POSITION
VALVE (ON/OFF)
53
41
CHECK VALVE - BICS CONTROL VALVE
42
RESTRICTION
43
44
33
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BASE
FILTER - CASE DRAIN (ATTACHMENT)
FRONT AUXILIARY MANUAL
PRESSURE BLEED-OFF VALVE
45
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
46
RELIEF VALVE - 2000 PSI (138 Bar)
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - ROD
47
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
48
RELIEF VALVE - 1200 PSI (83 Bar)
49
CHECK VALVE - With 80 PSI (5.5 Bar)
50
CHECK VALVE - With 0.030 (0,8 mm)
Restrictor And 300 PSI (21 Bar) Spring
51
RELIEF VALVE - PORT:
4000 PSI (276 Bar)
RESTRICTOR - 0.031 inch (0,8 mm)
RESTRICTOR - 0.120 inch (3,0 mm) (For
S/N 523011001 Only, S/N 523111001 -
523111317)
RESTRICTOR - 0.089 inch (2,26 mm) (For
S/N 523011002 AND ABOVE, S/N
523111318 And Above)
RESTRICTOR - 0.025 inch (0,6 mm)
31
DRIVE MOTOR SHUTTLE VALVE
32
SHUTTLE RELIEF VALVE:
200 PSI (14 Bar)
54
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BRAKE
55
HYDRAULIC BRAKE - SPRING APPLIED
- PRESSURE RELEASE
LEGEND
HYDRAULIC/HYDROSTATIC SCHEMATIC
T250 (S/N 523011001 AND ABOVE)
(S/N 523111001 AND ABOVE)
(PRINTED MAY 2004)
V-0334legend
2 of 2
Dealer Copy -- Not for Resale