JLG 34HA Parts Manual User Manual
Page 149

3120804
3-3
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
.
FIGURE 3-1. TURNTABLE, BOOM & HORIZONTAL LIMIT SWITCH INSTALLATIONS
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.
TURNTABLE OPTIONS:
Ref.
4620048
Turntable - 2m (Gas & Diesel)
1
4620061
Turntable - 1.75m (Gas & Diesel)
1
4620066
Turntable - 2m (Electric)
1
4620067
Turntable - 1.75m (Electric)
1
4620068
Turntable - 1.75m (Electric)
1
0250456
BOOM INSTALLATION
Ref.
6
1
0800630
Boom Assembly (See Figure 3-2 for Breakdown)
1
2
4843502
Upright, Weldment
1
3
1681840
Lift Cylinder Assembly (See Section 5 for Breakdown)
1
4
4842603
Arm Weldment - Upper
1
4A
0961024
Bushing, Oilite
2
4B
3421419
Pin
1
4C
0641420
Bolt 1/4”-20NC x 2 1/2”
1
4D
3311405
Locknut 1/4”-20NC
1
5
4842485
Arm Weldment - Lower
1
5A
0961024
Bushing, Oilite
2
5B
0961198
Bushing, Oilite
2
6
1681780
Articulate Cylinder Assembly (See Section 5 for Breakdown)
1
7
Pin (Boom Attach) Options:
1
3421752
Domestic (Prior to S/N 30067)
3422637
Domestic (S/N 30067 to Present)
8
3421751
Pin
1
9
3421749
Pin (Upright Attach)
1
10
3422011
Pin
3
11
3421725
Pin (Lower Arm/Turntable Attach)
1
12
2160002
Fitting, Grease
4
13
4751600
Flatwasher 3/8”
12
14
0641607
Bolt 3/8”-16NC x 7/8”
10
15
0100019
Loctite #271 (Not Shown)
A/R
16
0641609
Bolt 3/8”-16NC x 1 1/4”
2
17
0641524
Bolt 5/16”-18NC x 3”
1
18
3311505
Nut 5/16”-18NC
2
19
4751500
Flatwasher 5/16”
1
20
4300070
Stud (Welded on Part)
1
21
1320168
Clamp
1
0251337
HORIZONTAL LIMIT SWITCH INSTALLATION
Ref.
3
101
4360277
Limit, Switch
2
102
4360236
Head, Actuator
2
103
4360278
Arm & Roller (Top Switch)
1
104
4360237
Arm & Roller (Bottom Switch)
1
105
1100057
Cam, Actuator (Top Switch)
1
106
3900168
Bolt, Special #10-24NC
4
107
4920140
Wire, Mechanics
A/R