SERV-HB 38Z3 EN –
SERV-HB 38Z3 EN –
Edition 2.1
Edition 2.1
* 38z3s510.fm
* 38z3s510.fm
The directional valve is located under cover
The directional valve is located under cover
☞
☞
Open the cover in the base plate (4 screws)
Open the cover in the base plate (4 screws)
☞
☞
You can now see the lever of the changeover valve
You can now see the lever of the changeover valve
☞
☞
Change over
Change over
☞
☞
Screw the cover back on again
Screw the cover back on again
Switching from ISO to SAE controls and vice versa with the directional valve
Switching from ISO to SAE controls and vice versa with the directional valve
☞
☞
Tighten wing nut
Tighten wing nut
Changing the directional valve over modifies the controls (control levers) –
Changing the directional valve over modifies the controls (control levers) –
☞
☞
Make sure you know which control mode has been selected before starting
Make sure you know which control mode has been selected before starting
work
work
☞
☞
Always secure win
Always secure win
g nut
g nut
Fig
Fig
. 1:
. 1:
Dir
Dir
ec
ec
ti
ti
ona
ona
l val
l val
ve po
ve po
si
si
ti
ti
on
on
Fi
Fi
g. 2
g. 2
:
:
Di
Di
re
re
ct
ct
io
io
na
na
l va
l va
lv
lv
e
e
•
•
A
A
➥
➥
ISO controls
ISO controls
•
•
B
B
➥
➥
SAE controls
SAE controls
1
1
J
J
o
o
y
y
s
s
t
t
i
i
c
c
k
k
(
(
r
r
i
i
g
g
h
h
t
t
)
)
p
p
o
o
r
r
t
t
1
1
2
2
O
O
f
f
f
f
s
s
e
e
t r
t r
a
a
m r
m r
e
e
t
t
r
r
a
a
c
c
t
t
i
i
o
o
n c
n c
o
o
n
n
t
t
r
r
o
o
l
l
3
3
J
J
o
o
y
y
s
s
t
t
i
i
c
c
k
k
(
(
r
r
i
i
g
g
h
h
t
t
)
)
p
p
o
o
r
r
t
t
3
3
4
4
Ma
Ma
in
in
va
va
lv
lv
e
e
bl
bl
oc
oc
k,
k,
of
of
fs
fs
et
et
ra
ra
m
m
ex
ex
te
te
ns
ns
io
io
n
n
co
co
nt
nt
ro
ro
l
l
5
5
Ma
Ma
in
in
va
va
lv
lv
e b
e b
lo
lo
ck
ck
, s
, s
ti
ti
ck
ck
ra
ra
m e
m e
xt
xt
en
en
si
si
on
on
co
co
nt
nt
ro
ro
l
l
6
6
J
J
o
o
y
y
s
s
t
t
i
i
c
c
k
k
(
(
l
l
e
e
f
f
t
t
)
)
p
p
o
o
r
r
t
t
1
1
7
7
Ma
Ma
in
in
va
va
lv
lv
e
e
bl
bl
oc
oc
k,
k,
st
st
ic
ic
k
k
ra
ra
m
m
re
re
tr
tr
ac
ac
ti
ti
on
on
co
co
nt
nt
ro
ro
l
l
8
8
J
J
o
o
y
y
s
s
t
t
i
i
c
c
k
k
(
(
l
l
e
e
f
f
t
t
)
)
p
p
o
o
r
r
t
t
3
3
5-19
5-19
Hydraulic system
Hydraulic system
Changeover valve for SAE/I
Changeover valve for SAE/I
SO controls (opt
SO controls (opt
ion)
ion)
I
I
in the floor panel of the cab.
in the floor panel of the cab.
J after changing control mode
J after changing control mode
Danger
Danger
Danger of accidents
Danger of accidents
J on the changeover lever
J on the changeover lever
of the direc
of the direc
tional valve
tional valve
Directional valve ports
Directional valve ports
Summary of Contents for 38Z3
Page 1: ...Track excavator Track excavator...
Page 32: ...SERV HB 38Z3 EN Edition 2 1 38z3s410 fm...
Page 33: ...SERV HB 38Z3 EN Edition 2 1 38z3s410 fm...
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