JLG 660SJ Parts Manual User Manual
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3-9
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
13
Pin (Boom Lift Cylinder - Boom End) Options:
1
3422437
Prior to SN 0300041810
3422568
SN 0300041810 to SN 0300068000
14
Pin (Link - T/T End & Master Cylinder - T/T End) Options:
2
3422435
Prior to SN 0300041810
3422566
SN 0300041810 to SN 0300068000
15
Pin (Articulating Jib Cylinder - Pivot End & Pivot - Boom
End) Options:
2
3422422
Prior to SN 0300041810
3422561
SN 0300041810 to SN 0300068000
16
Pin (Articulating Jib Level Cylinder - Boom End) Options:
1
3422440
Prior to SN 0300041810
3422583
SN 0300041810 to SN 0300068000
17
Pin (Top Tube - Pivot End) Options:
2
3422419
Prior to SN 0300041810
3422558
SN 0300041810 to SN 0300053995
3422860
SN 0300053995 to SN 0300068000
18
Pin (Bottom Tube - Both Ends) Options:
2
3422420
Prior to SN 0300041810
3422559
SN 0300041810 to SN 0300053995
3422861
SN 0300053995 to SN 0300068000
19
Pin (Articulating Jib Lift Cylinder - Top Tube End) Options:
1
3422421
Prior to SN 0300041810
3422560
SN 0300041810 to SN 0300053995
3422867
SN 0300053995 to SN 0300068000
20
Pin (Top Tube - Rotator End) Options:
1
3422432
Prior to SN 0300041810
3422563
SN 0300041810 to SN 0300067538
21
3841258
Keeper, Pin
3
22
3841143
Keeper, Pin
9
23
Pin (Link - Boom) Options:
1
3422418
Prior to SN 0300041810
3422557
SN 0300041810 to SN 0300068000
24
Pin (Master Cylinder - Boom End) Options:
1
3422445
Prior to SN 0300041810
3422574
SN 0300041810 to SN 0300068000
25
0642012
Bolt 5/8in-11NC x 1-1/2in
3
26
0641608
Bolt 3/8in-16NC x 1in
7
27
0741607
Screw, Countersunk 3/8in-16NC x 7/8in
1
28
0100011
Compound, Locking
AR
29
0100019
Compound, Locking
AR
30
4740439
Thrustwasher
2
31
0641808
Bolt 1/2in-13NC x 1in (600SJ) (Front Entry Platform)
6
0641810
Bolt 1/2in-13NC x 1-1/4in (660SJ) (Front Entry Platform)
6
32
0641618
Bolt 3/8in-16NC x 2-1/4in
4
33
3311605
Locknut 3/8in-16NC
5
34
0641614
Bolt 3/8in-16NC x 1-3/4in
1
35
3539475
Cover, Boom End (Back) (Prior to SN 0300065004)
1
FIGURE 3-2. BOOM INSTALLATIONS - 600SJ & 660SJ (CONTINUED)
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.