![background image](http://html.mh-extra.com/html/hyundai/hl955/hl955_manual_2196435465.webp)
6-2-1
2/3spool
11
10
11
AUX1
BUCKET
BOOM
Control Unit / Electro Hydraulic
4
1
a3
b3
a1
b1
a2
b2
EH20 EH19 EH22 EH21
P
T
6
3
5
2
x
3spool
EH17
EH18
4
2
3
1
2spool
Boom
Up
Boom
Down
Bucket
In
Bucket
Dump
Aux
Up
Aux
Down
A
B
T
Sp.
39
PARKING
REAR
FRONT
A
B
P
T
PS
PS
T2
P
B3
S3
T1
PP
S2
B2
B1
S1
G1
G2
PS
C3
C5 C6
C4
C1
C2
D
L
S1
B
T
A1
P1
S
P
P1
M
T
X1
X2
X3
S1
P1
T1
P2
T2
A1
A2
DURTRI
DURTRI
B2
L3
L4
B1
L1
L2
S1
S2
X1
X2
T/M
PS
PS
PS
M
14
36
37
38
35
7
7
23
1
13
2
5
4
6
29
26
29
29
27 28
41
42
24
25
16
15
4
3
23
23
LH
RH
B.D/F
B.U CRAWD
DUMP
1
3
4
2
P
T
1.1
2.1
B1
A1
B2
A2
LS
a2
b2
b1
a1
Pst
B3
A3
b3
a3
T
Dump
Roll back
Up
Down
Floating
P
Bucket
Boom
Aux
PS
PS
AXLE
AUX
30
34
31
32
33
18
LH
RH
17
21
21
22 22
19
EH
EH
HYD
HYD
27
40
9
To
MCV
8
1
4
3
2
HYDRAULIC CIRCUIT (HL955, HL955XTD, DIRECT STEERING, OPT)
HYDRAULIC CIRCUIT (HL955, HL955XTD, DIRECT STEERING, OPT)
9556WE01
1 Main
pump
2
Fan & brake pump
3 Main
control
valve
4 Fan
motor
5 Directional
valve
6 Oil cooler
7 Check valve
8
Controller (opt)
9
Boom lowering valve
10 Remote control block(EH)
11 FNR remote control lever
12 Remote control valve(HYD)
13 Safety
valve
14 Suttle valve
15 Boom cylinder
16 Bucket
cylinder
17 Steering
cylinder
18 Steering
unit
19 Steering
valve
(EHPS)
21 Accumulator
22 Orifice
23 Pressure
sensor
24 Brake
valve
25 Pressure
switch
26 Cut
off
valve
27,28 Accumulator
29 Pressure
sensor
30 Hydraulic
tank
31 Air
breather
32 Return
filter
33,34 By pass valve, Strainer
35 Pump
motor
(opt)
36 Check
block
(opt)
37 Pressure
sensor
(opt)
38 Check valve (opt)
39 Ride control velve (opt)
40 Accunulator (opt)
41 Quick coupler cylinder (opt)
42 Solenoid valve (opt)
Summary of Contents for HL955
Page 557: ...7 6 MEMORANDUM MEMORANDUM ...