JLG 660SJ Parts Manual User Manual
Page 169
3-15
SECTION 3 BOOM
52
2
Bolt Options:
0641640
Bolt 3/8in-16NC x 5in (SN 0300068000 to
SN 0300082632)
0641638
Bolt 3/8in-16NC x 4-3/4in (SN 0300082632 to
SN 0300087000)
53 to 54
Not Used
55
4891600
6
Flatwasher 3/8in Hardened
56
4891800
2
Flatwasher 1/2in Hardened
57
3539622
1
Plate, Cover
58
0641403
4
Bolt 1/4in-20NC x 3/8in
59
4070929
AR
Shim
60
1
Cable (Extend) Options:
3890009
600S & 660SJ
3890012
600SJ
61
1
Plate, Spring Mounting Options:
3939680
SN 0300068000 to SN 0300068179
0561508
SN 0300068179 to SN 0300087000
62
4160149
1
Spring
63
1
Switch, Proximity Options:
4360429
SN 0300068000 to SN 0300068179
4360506
SN 0300068179 to SN 0300087000
64
3300399
1
Nut, Jam 7/8in-9NC
65
3300400
1
Nut, Jam 5/8in-11NC
66
3300242
1
Locknut 7/8in-9NC
67
3300240
1
Locknut 5/8in-11NC
68
4070939
AR
Shim 16Ga (With Slide-In Slots)
69
4070940
AR
Shim 16Ga (With Slide-In Slots)
70
4060805
6in/16cm
Flex-Trim
71
1320244
1
Clamp
72
0641406
1
Bolt 1/4in-20NC x 3/4in
73
3311401
1
Nut 1/4in-20NC
74
1670836
8
Cover, Boom (Not Shown)
75
0681608
4
Bolt 3/8in-16NC x 1in
76
3340900
1
Pad, Wear
77
4071005
AR
Shim
78
4751600
12
Flatwasher 3/8in Regular (SN 0300082632 to
SN 0300087000)
79
4071007
AR
Shim (SN 82632 to SN 87000)
80
0641614
4
Bolt 3/8in-16NC x 1-3/4in (SN 0300082632 to
SN 0300087000)
— — — — — — — — — —
100
2901986
1
Kit, Wear Pad Support (Includes Items 12, 51, 75, 76 & 77)
FIGURE 3-3. MAIN BOOM ASSEMBLIES (CONTINUED)
ITEM #
PART NUMBER
QTY.
DESCRIPTION
REV.