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
Содержание 340AJ
Страница 1: ...Service and Maintenance Manual Model 340AJ P N 3121259 June 27 2017...
Страница 2: ......
Страница 10: ...vi JLG Lift 3121259 TABLE OF CONTENTS SECTION NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 15: ...3121259 JLG Lift xi LIST OF FIGURES FIGURE NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 18: ...xiv JLG Lift 3121259 LIST OF TABLES TABLE NO TITLE PAGE NO Thispageleftblankintentionally...
Страница 42: ...SECTION 2 GENERAL 2 12 JLG Lift 3121259 NOTES...
Страница 69: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 27 Figure 3 24 Bearing Pressing Tool...
Страница 71: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 29 Figure 3 27 Bearing Nut Wrench...
Страница 134: ...SECTION 3 CHASSIS TURNTABLE 3 92 JLG Lift 3121259 NOTES...
Страница 157: ...SECTION 4 BOOM PLATFORM 3121259 JLG Lift 4 23 Figure 4 8 Rotator Counterbalance Valve...
Страница 218: ...SECTION 5 HYDRAULICS 5 58 JLG Lift 3121259 Figure 5 32 Fasteners and Plugs Sheet 1 of 2...
Страница 219: ...SECTION 5 HYDRAULICS 3121259 JLG Lift 5 59 Figure 5 33 Fasteners and Plugs Sheet 2 of 2...
Страница 236: ...SECTION 5 HYDRAULICS 5 76 JLG Lift 3121259 Figure 5 39 Gear Pump Cutaway...
Страница 246: ...SECTION 5 HYDRAULICS 5 86 JLG Lift 3121259 Figure 5 40 Oil Sampling Port...
Страница 255: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 9 PLATFORM MODULE GROUND MODULE Figure 6 2 Control Module Location...
Страница 256: ...SECTION 6 JLG CONTROL SYSTEM 6 10 JLG Lift 3121259 Figure 6 3 Ground Module Sheet 1 of 4...
Страница 267: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 21 Figure 6 10 Analyzer Diagnostics Menu Sheet 1 of 4...
Страница 268: ...SECTION 6 JLG CONTROL SYSTEM 6 22 JLG Lift 3121259 Figure 6 11 Analyzer Diagnostics Menu Sheet 2 of 4...
Страница 269: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 23 Figure 6 12 Analyzer Diagnostics Menu Sheet 3 of 4...
Страница 270: ...SECTION 6 JLG CONTROL SYSTEM 6 24 JLG Lift 3121259 Figure 6 13 Analyzer Diagnostics Menu Sheet 4 of 4...
Страница 271: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 25 Figure 6 14 Analyzer Personalities Menu Sheet 1 of 2...
Страница 272: ...SECTION 6 JLG CONTROL SYSTEM 6 26 JLG Lift 3121259 Figure 6 15 Analyzer Personalities Menu Sheet 2 of 2...
Страница 273: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 27 Figure 6 16 Analyzer Machine Setup Menu...
Страница 274: ...SECTION 6 JLG CONTROL SYSTEM 6 28 JLG Lift 3121259 Figure 6 17 Analyzer Calibrations Menu...
Страница 289: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 43 14 Press ENTER If calibration is successful the screen will read...
Страница 336: ...SECTION 6 JLG CONTROL SYSTEM 6 90 JLG Lift 3121259 NOTES...
Страница 346: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 10 JLG Lift 3121259 Figure 7 13 Connector Installation...
Страница 365: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 3121259 JLG Lift 7 29 This page left blank intentionally...
Страница 368: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 32 JLG Lift 3121259 NOTES...
Страница 369: ......