751 Hydraulic Schematic v-0366legend-2

Posted in 751
SPRING LOADED FILTER BY-PASS
VALVE: 45-55 PSI (3,1-3,8 Bar)
RESERVOIR:
Capacity . . . . . . . . . 14 Qts. (13,2 L)
1
2
19
PULL BUTTON ACTIVATED
DIRECTIONAL CONTROL VALVE - LIFT
ARM BY-PASS
14
LOAD CHECK VALVE
9
RELIEF VALVE - MAIN:
2500-2600 PSI (172-179 Bar)
at Front Quick Couplers
11
ANTICAVITATION VALVE
12
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - AUXILIARY
10
RELIEF VALVE - PORT: . . . . . (Optional)
3500 PSI (241 Bar)
5
RELIEF/REPLENISHING VALVE - HIGH
PRESSURE: 5000 PSI (345 Bar)
6
RELIEF VALVE - CHARGE INLET:
185-195 PSI (12,8-13,5 Bar)
at 14.3 GPM (54 L/min.)
at 2650 Enginre RPM
With 140 degrees F. (60 degrees C.) Fluid
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")
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
14.3 GPM (54 L/min.) at 2650 RPM
at 1150 PSI (79,3 Bar)
23
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - BLEED OFF REAR
AUXILIARY ("SV2")
4
DRIVE MOTOR SHUTTLE VALVE
7
13
RELIEF VALVE - PORT: . . . . . (Optional)
3500 PSI (241 Bar)
15
ONE WAY RESTRICTOR VALVE
(Optional - ADVANCED HAND
CONTROLS ONLY)
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - AUXILIARY BLEED
VALVE (USED ON MACHINES WITHOUT
REAR AUXILIARY)
HYDRAULIC/HYDROSTATIC SCHEMATIC
751 (S/N 515730001 AND ABOVE)
(S/N 515620001 AND ABOVE)
(PRINTED SEPTEMBER 2003)
V-0366legend
LEGEND
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
ANTICAVITATION VALVE (TILT BASE
END)
39
ONE WAY RESTRICTOR VALVE
27
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - FOR REAR
AUXILIARY - NORMALLY OPEN
("D2" and "P2")
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
MUFFLER (If equipped)
V-0366legend (9-11-03)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
CHECK VALVE - BUCKET POSITION
VALVE
FIXED CAPACITY DISPLACEMENT
BIDIRECTIONAL HYDROSTATIC
MOTOR
34
38
43
LOAD SHUTTLE VALVE - AUXILIARY
BLEED VALVE (USED ON MACHINES
WITHOUT REAR AUXILIARY)
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
37
SHUTTLE RELIEF VALVE
(Not Adjustable - Factory Set)
65 PSI (4,5 Bar)
HYDRAULIC/HYDROSTATIC SCHEMATIC
751 (S/N 515730001 AND ABOVE)
(S/N 515620001 AND ABOVE)
(PRINTED SEPTEMBER 2003)
V-0366legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale