t300 Hydraulic Schematic v-0581legend-2

HYDRAULIC/HYDROSTATIC SCHEMATIC
T300 (S/N 521912320 & Above)
(S/N 522011121 & Above)
(PRINTED JUNE 2004)
V-0581legend
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
19
RELIEF VALVE - MAIN:
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
ONE WAY RESTRICTOR
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 High Engine Idle
390 - 430 PSI (26,9 - 29,6 Bar)
30
31
DRIVE MOTOR SHUTTLE VALVE
32
SHUTTLE RELIEF VALVE:
200 PSI (13,8 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.
3250-3350 PSI (224-231 Bar)
14
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BICS CONTROL
HYDRAULIC PUMP . . . . . . . . . Gear Type
21.2 GPM (80,25 L/min) at High
Engine Idle
15
PULL BUTTON ACTIVATED
DIRECTIONAL CONTROL VALVE - LIFT
ARM BY PASS
29
CHARGE PUMP:
14.2 GPM (53,8 L/min) at High
Engine Idle
16
FILTER - BICS CONTROL VALVE
(SCREEN)
17
ONE WAY RESTRICTOR
18
LOAD CHECK VALVE
(For S/M P/N 6901936)
1 of 2
Dealer Copy -- Not for Resale
33
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BASE
34
LOAD SHUTTLE VALVE - BLEED OFF
35
36
37
38
RESTRICTION - 0.140 inch (3,6 mm)
39
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - TWO COIL
40
41
CHECK VALVE - BICS CONTROL VALVE
42
RESTRICTION
43
CHECK VALVE
44
45
VARIABLE CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC PUMP
46
RELIEF Valve 2000 PSI (138 Bar)
47
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
48
RELIEF VALVE - 1200 PSI (83 Bar)
49
50
CHECK VALVE - WITH 300 PSI Spring and with:
0.030 inch (0,76 mm) ORIFICE
(S/N 521912320 - 521912814)
(S/N 522011121 - 522011131)
0.016 inch (0,40 mm) ORIFICE
(S/N 521912815 & Above)
(S/N 522011134 & Above)
V-0581legend (6-9-04)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
51
RELIEF VALVE - PORT:
4000 PSI (276 Bar)
52
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BUCKET POSITION
VALVE (ON/OFF)
53
FILTER - CASE DRAIN (ATTACHMENT)
FRONT AUXILIARY MANUAL
PRESSURE BLEED-OFF VALVE
54
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BRAKE
55
HYDRAULIC BRAKE - SPRING APPLIED
- PRESSURE RELEASE
CHECK VALVE - WITH 80 PSI (5,5 Bar)
Spring
56
RESTRICTION:
0.120 inch (3,05 mm)
(S/N 521912320 - 521912814)
(S/N 522011121 - 522011131)
0.089 inch (2,26 mm)
(S/N 521912815 & Above)
(S/N 522011134 & Above)
57
RESTRICTION - 0.025 (0,6 mm)
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - ROD
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - REAR AUXILIARY
RESTRICTION - 0.031 inch (0,8 mm)
RELIEF VALVE - 3300 PSI (228 Bar)
HYDRAULIC/HYDROSTATIC SCHEMATIC
T300 (S/N 521912320 & Above)
(S/N 522011121 & Above)
(PRINTED JUNE 2004)
V-0581legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale