335 Hydraulic Schematic v-0987legend-2

Posted in 335
335 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N AAD111001 AND ABOVE
S/N A9K111001 AND ABOVE
(PRINTED FEBRUARY 2008)
V-0987legend
HYDRAULIC FILTER ELEMENT
15 Micron
FILTER BY-PASS 50 PSI (3.44 bar)
HYDRAULIC RESERVOIR: Pressurized
with Fill Strainer
Reservoir Capacity . .38.8 qt. (29.9 L)
1
PRESSURIZED BREATHER/FILL CAP
with FILTER:
5 PSI (3.4 bar) - Outlet
0.435 PSI (0.3 bar) - Inlet
2
3
4
15
19
5
20
21
22
PRESSURE REDUCING VALVE
435 PSI (30 bar)
23
24
25
26
27
28
34
35
36
37
HYDRAULIC FILTER - with By-Pass
Element - 40 Micron
By-Pass - 40 PSI (2.76 bar)
LEGEND
6
7
8
9
10
11
12
13
Printed in U.S.A.
14
29
30
TEST PORT - "G" PORT - Pressure
Reducing Valve
38
39
40
41
HYDRAULIC PISTON PUMP . . . . . .
Maximum Displacement:
26.2 GPM (99 L/min.) at High Engine RPM
Minimum Displacement:
5.0 GPM (19 L/min.) at High Engine RPM
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Work group Lockout
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Two Speed
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Male Coupler
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Female Coupler
ACCUMULATOR
TEST PORT - "B" PORT - Travel Pilot
Pressure
LOAD CHECK - (Two per Section - 14
Total - Only 7 Shown)
BUILD-UP VALVE: 105 PSI (7,2 bar)
18
LOAD SENSE RELIEF VALVE
3625 PSI (250 bar)
31
32
33
TEST PORT - "P1" PORT
FLUSHING VALVE: 360 PSI (24,8 bar)
LOAD SENSE BLEED CARTRIDGE:
0.185 GPM (0,70 L/min)
42
43
44
45
47
49
DIAGNOSTIC PORT - Load Sense
TORQUE LIMITER SUPPLY SPOOL -
290 PSI (20 bar)
PUMP MARGIN SPOOL -
220 PSI (15,2 bar)
DIAGNOSTIC PORT
16
17
TORQUE LIMITER
DESTROKE PISTON
PISTON – Two Speed (2)
VALVE - 2 -Speed
DRIVE MOTOR SHUTTLE - With restrictors
CROSSPORT RELIEF VALVE:
3844 PSI (265 Bar)
CHECK VALVE – Load Sense
ORIFICE - 0.025 inch (0,64 mm)
FILTER – Hydraulic X-Change Valve
1 of 2
Dealer Copy -- Not for Resale
RELIEF VALVE - SECOND AUXILIARY (2) -
(Optional): 1500 PSI (103 bar)
34
35
36
37
V-0987legend (1-17-08)
NOTE: Unless otherwise specified
springs have NO significant
pressure value.
38
CROSS PORT RELIEF VALVES - 2
STAGE (2): 2250 PSI (146 bar) at High
Engine RPM
39
40
41
LOAD CHECK VALVE
COMPENSATOR (Slew, Travel, Blade, Bucket,
Arm, Boom, Offset & Auxiliary)
PORT RELIEF VALVE - (Auxiliary
Pressure Port: 3000 PSI (207 bar)
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
51
53
RESTRICTOR - 0.108 inch (2,7 mm)
54
RESTRICTOR - 0.083 inch (2,1 mm)
PORT RELIEF VALVE (With Anti-
Cavitation Valve) - (Auxiliary Return Port:
3000 PSI (207 bar)
42
43
44
45
46
PILOT ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE - Second Auxiliary
47
48
49
50
ANTI-CAVITATION VALVE (2)
52
PORT RELIEF VALVE (With Anti-Cavitation
Valve) - (Boom Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation
Valve) - (Boom Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation
Valve) - (ARM Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation Valve)
- (ARM Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation Valve) -
(BUCKET Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation Valve)
- (BUCKET Cylinder) 4200 PSI (290 bar)
PORT RELIEF VALVE (With Anti-Cavitation Valve) -
(BLADE Cylinder) 3770 PSI (260 bar)
SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE (TWO COIL)
CHECK VALVE 80 PSI (5,5 bar)
335 HYDRAULIC/HYDROSTATIC SCHEMATIC
S/N AAD111001 AND ABOVE
S/N A9K111001 AND ABOVE
(PRINTED FEBRUARY 2008)
V-0987legend
LEGEND
2 of 2
Dealer Copy -- Not for Resale