Boom hydraulic lines - sheet 1 of 2 -8 – JLG 340AJ Service Manual User Manual
Page 140

SECTION 4 - BOOM & PLATFORM
4-8
– JLG Lift –
3121259
TE
LESCOP
E CYL
.
M
A
IN V
A
L
VE
T
O
BOOM CY
L'S
PO
R
T
P4
MA
IN
V
A
L
V
E
PO
R
T
3
POR
T
6
(
V
AL
VE)
MA
IN
(
V
AL
VE)
MAIN
(
V
AL
VE)
MAIN
UPRI
GH
T
V
A
L
V
E
POR
T
M
2
(
V
AL
VE)
UPRI
GH
T
(V
A
L
V
E
)
UPRI
GH
T
PO
R
T
M
1
TO
W
E
R
L
IF
T
C
Y
L
HYD
R
AULIC
T
A
NK
RETURN
FIL
T
ER
POR
T
RETUR
N F
IL
T
ER
POR
T
(H
Y
D
)TA
N
K
(HYD )
TA
N
K
(HYD )
TA
N
K
RETURN
FIL
T
ER
POR
T
POR
T
P
1
(UP
R
IGHT
V
A
L
VE)
POR
T
V2
(TE
L
E CY
L)
PO
RT
V
1
(TEL
E CYL
)
POR
T
T1
(UPRIG
HT
(UPRIGHT
VA
L
V
E
)
VA
L
V
E
)
UPR
IGH
T
V
A
L
V
E
T
O
TELE/
L
IFT
CYL
LIFT
CY
L
.
PO
RT
T2
POR
T
V1
(L
IF
T
CY
L
)
POR
T
V2
(L
IFT
CY
L)
POR
T
V2
PO
R
T
V2
(TELE C
Y
L)
PO
R
T
V1
(
V
AL
VE)
UP
R
IGH
T
(
V
AL
VE)
UPRI
GH
T
POR
T
V1
(TELE CYL)
POR
T
V
1
(T
OWER LIFT
CYL)
POR
T
V
2
(T
OWER LIFT
C
Y
L)
PO
R
T
6
(M
A
IN )
VA
L
V
E
R
E
T
URN FI
L
T
ER
POR
T
(HY
D
T
A
NK)
T
O
W
E
R
LIFT
CYL
F
igure 4-3
. Boom Hy
draulic Line
s - She
e
t 1 of 2
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