HYDRAULIC/HYDROSTATIC SCHEMATIC

E55W (S/N AEFB11001 AND ABOVE)

(PRINTED MARCH 2009)
V-1317 legend
LEGEND
1 DOUBLE VARIABLE DISPLACEMENT 18 ORIFICE – Ø 0.0433" (1,1mm) 37 PORT RELIEF VALVE (with Anti-Cavitation Valve) 58 SERVICE BRAKE REDUCING VALVE
HYDRAULIC PISTON PUMP (2) BOOM SWING 3553 PSI (245 bar) 580 PSI (40 bar)
19 SOLENOID ACTIVATED DIRECTIONAL 38 RELIEF VALVE 59 PARKING BRAKE REDUCING VALVE
CONTROL VALVE – Boom Swing Left 3046 PSI (210 bar) 319 PSI (22 bar)
2 SUCTION STRAINER 20 SOLENOID ACTIVATED DIRECTIONAL 39 LOCK VALVE – Blade Cylinder 60 BRAKE CHARGE PRESSURE REDUCING
CONTROL VALVE – Boom Swing Right VALVE 1015-1232 PSI (70-85 bar)
3 HYDRAULIC PUMP - Gear Type 40 CHECK VALVE – 43 PSI (3 Bar)
21 SOLENOID ACTIVATED DIRECTIONAL 61 OVERLOAD RELIEF VALVE - 1450 PSI (100 bar)
CONTROL VALVE – Auxiliary – 2 way 41 PRIORITY VALVE – Steering 62 2ND AUXILIARY QUICK COUPLERS –
4 HYDRAULIC PUMP - Gear Type 22 SOLENOID ACTIVATED DIRECTIONAL Closed Center Non-Reaction Load Sensing Male / Female
CONTROL VALVE – Auxiliary – Breaker Out 63 SOLENOID ACTIVATED DIRECTIONAL
42 HYDRAULIC FILTER – Pilot Circuit
23 CROSS-OVER PORT RELIEF VALVE – SLEW With 24.7 PSI (1,7 Bar) By-Pass Relief Valve CONTROL VALVE – Parking Brake
5 HYDRAULIC RESERVOIR (PRESSURIZED) MOTOR 3336 PSI (230 bar) (2) 30 micron 64 AUXILIARY QUICK COUPLERS
Reservoir Capacity 19 GAL (72 L) 43 BREATHER FILTER Male / Female
24 SLEW MOTOR BRAKE RELEASE
6 BRAKE VALVE 50 PSI (3.5 bar) 65 SHUTTLE VALVE
44 RELIEF VALVE - 1450 PSI (100 bar)
25 CROSS PORT RELIEF VALVES - Travel Motor 66 AIR BLEED VALVE
7 PRESSURE SWITCH – Service Brake 45 FILTER - Pilot pressure
870 PSI (60 bar) 3916 PSI (270 bar) (2)
67 SHUTTLE VALVE (3)
8 26 PRESSURE SWITCH – Auto Idle 46 ORIFICE
PRESSURE SWITCH – Parking Brake 68
ACTUATION 360 PSI (24.8 bar) ANTI-DRIFT VALVE
217 PSI (15 bar)
DEACTUATION 290 PSI (20 bar) 47 OVERLOAD RELIEF VALVE - 2175 PSI (150 bar)
69 ORIFICE – Auto Idle Signal
9 ACCUMULATOR (2) 27 SHUTTLE VALVE – Axle Lock (Ram)
Nitrogen precharged 363 PSI (25 bar) 48 RETURN LINE FILTER
29 psi (2 bar) 70 LOAD CHECK
28 LOAD HOLDING VALVE - Boom With 22 PSI (1,5 Bar) By-Pass Relief Valve
10 SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Transmission (Hi Speed) 3553 PSI (245 bar) 49 CHECK VALVE – With 65 PSI (4,5 Bar) 71 FILTER - Auto Idle Signal
11 SOLENOID ACTIVATED DIRECTIONAL 29 AXLE LOCK (Ram) CYLINDER (2) 72 SHUTTLE VALVE
50 SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Transmission (Low Speed)
30 PORT RELIEF VALVE (with Anti-Cavitation Valve) CONTROL VALVE - Reverse 73 LOOP FLUSHING VALVE
12 PRESSURE SWITCH – Brake Lamp BUCKET 3553 PSI (245 bar) (2) 51 SOLENOID ACTIVATED DIRECTIONAL
69 PSI (4,8 bar) CONTROL VALVE - Forward 74 PILOT ACTIVATED DIRECTIONAL
31 PORT RELIEF VALVE (with Anti-Cavitation Valve) CONTROL VALVE – Two Speed
BOOM 1 3553 PSI (245 bar) (2) 52 CHECK VALVE
13 PRESSURE SWITCH – Brake Lamp 75 CHECK VALVE
624 PSI (43 bar) 32 MAIN RELIEF VALVE - Travel 53 SOLENOID ACTIVATED DIRECTIONAL
3336 PSI (230 bar) (2) 76 PARKING BRAKE CYLINDER
14 SHUTTLE VALVE – Brake Lamp CONTROL VALVE – Work Group Lockout
33 PORT RELIEF VALVE (with Anti-Cavitation Valve) (Pilot Cut-Off)
77 SELECTOR BUTTON – Swing or Boom Swing
15 BRAKE VALVE AUXILIARY 3553 PSI (245 bar) (2) 54 SOLENOID ACTIVATED DIRECTIONAL
725 PSI (50 bar) 34 PORT RELIEF VALVE (with Anti-Cavitation Valve)
CONTROL VALVE – Travel Lockout 78 SELECTOR BUTTON – 2 Way (Breaker) & Horn
16 PILOT PRESSURE REDUCING VALVE ARM1 3553 PSI (245 bar) (2) 55 SOLENOID ACTIVATED DIRECTIONAL
CONTROL VALVE – Axle Lock (Ram)
79 MANUAL DIRECTIONAL CONTROL VALVE –
469 PSI (33 bar) 35 PORT RELIEF VALVE (with Anti-Cavitation Valve) (Bucket Cylinder – 3RD Auxiliary Couplers) (If Equipped) (2)
17 ACCUMULATOR BOOM2/AUX 3553 PSI (245 bar) 56 FLOW CONTROL VALVE
36 PORT RELIEF VALVE (with Anti-Cavitation Valve) 80 3RD AUXILIARY QUICK COUPLERS
Nitrogen precharged 217 PSI (15 bar)
2ND AUXILIARY 3553 PSI (245 bar) (2) 57 SHUTTLE VALVE Male/Female (If Equipped)
NOTE: Unless otherwise specified, springs have NO significant pressure value.
Printed in Europe V1317Hle (09-03-09)
HYDRAULIC/HYDROSTATIC SCHEMATIC
E55W (S/N AEFB11001 AND ABOVE)
(PRINTED MARCH 2009)
(V-1317) OIL COOLER PIPE
A2G

A1G

P T R1 A1 A2 A3 A4 ORBITROL (Steering Control Unit)

40
41 )(
TANK SLEW MOTOR 1 3

)(
P3
STEERING VALVE
T2
P
ENGINE
DB 38
70

)(

)(
SH
1 2ND AUXILIARY 2 17 4
45 STRAIGHT EF
PG HYDRAULIC 43
TRAVEL
Pi2 CONTROL VALVE
24
PILOT SUPPLY MANIFOLD AC1 GPS OIL 44
COOLER S1 T
HYDRAULIC TANK
PBR
PUMP
46 C7
23 70 50
R
2
TS C5 49 48
C6 T L
GA A M B GB 66 51 47
66 PAR C3
Pb12 P
Pa12 HYDRAULIC
B12 RESERVOIR 7
SLEW C2 BRAKE VALVE GBR PSD
A12 52
16 58 A2
70 66 56
66 C4 53 C9 54 C8 55 C13
Pb11 5 42 C1 C20 RB
2 WAY/BREAKER VALVE PA11 SP PS TR CH HL P 57 9
T B11 FB
TANK C15
37
P A11 BOOM SWING 59
A1
66 C16 C17
21 70 C21
66
BOOM SWING Pb10
CYLINDER Pa10
B10 P/T BLOCK
22 2ND AUXILIARY A10 2ND AUXILIARY T T1 T
61
C2 C1
HYDRAULICS C19
2 WAY SOLENOID VALVE P-LINE
PB PA (IF EQUIPPED) 70 P2 P 60
66 36 AC2
62 66 6
Pa9 Pb9 P1 T2 P3 T3 C10
77 63
B9 BLADE
JOYSTICK JOYSTICK 78
A9 SW
(Left Hand) (Right Hand) T P HI-LOW
A8
P T P T
SOLENOID VALVE
18
T

B8
C1 10 11 C2 PK
Pa8 Pb8

ARM CYLINDER BOOM2/AUX.

35 8
66 70 66 SWING ARM BUCKET BOOM
A7 1 2 HI LO
3 1 2 4 3 1 2 4
BLADE VALVE
B7 DOWN UP

Pa7 Pb7 RIGHT LEFT IN OUT

P
ARM1 RETRACT UP DOWN
AUXILIARY 34 EXTEND
A
HYDRAULICS P 66 70 66
B A6
BREAKER OUT
TANK TRAVEL PEDAL
B6 15
Pa6 Pb6
64
AUXILIARY BRAKE
2 WAY
66 33 20 T LOCK
DIRECT TO TANK / A
SWING RIGHT a2 a1 C 1
2 WAY - VALVE A5 70 66 P

B5 TRAVEL-LEFT ARM OUT b2

65
66 32 b1 BOOM SWING OA T1 12
Pa5 Pb5 RIGHT T
SWING MOTOR E
26 66 65 19
P2 SWING LEFT c2 c1 D T1
BL1
69 71 65
AI Pp BOOM DOWN d2 2
BOOM SWING OB
d1 P1
LEFT
P1 BR1
SHUTTLE VALVE BOOM SWING B1 A1
66 SELECTOR VALVE D E
66 K M F
Pa4 Pb4 N
J
S1
B4 TRAVEL-RIGHT A

A4 31 L
70 B2 A2
67 66
T1 G
28
66 Pb3 H
BOOM C2 Pa3 I
CYL M
A3 SWIVEL 14 13
BOOM 1 T2
E C JOINT
2 Pi1 68 BL2
1 DR 70 30 B
66 P2
T V2 Pil B3
BR2
BRAKE VALVE
TANK 66 Pb2
Pa2
B2
BUCKET
A2
79 70
T3 74 25 75 73 75
66 MA G T
Pa1 Pb1
80 LO A
B1 ARM 2

3RD AUXILIARY A1
HI 72
BL
ENCLOSURE
HYDRAULICS
(IF EQUIPPED)
Gext. PUMP SUPPLY
MAIN CONTROL VALVE Y
BLADE CYLINDER
BUCKET CYL S PL
WORKING CIRCUITS
U MB X M1
B 29 PILOT PRESSURE
BR
SYSTEM RETURN LINES
TRAVEL
39 MOTOR
25 75
27
DIRECT TANK RETURN
76 PK

INTERSECTION OF
HYDRAULIC LINES
INDICATED BY JUNCTION DOT

V-1317 (09-03-09)
REAR AXLE FRONT AXLE